1278 lines
47 KiB
Plaintext
1278 lines
47 KiB
Plaintext
{
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"cells": [
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{
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||
"cell_type": "code",
|
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"execution_count": 290,
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"metadata": {},
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"outputs": [],
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"source": [
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"from copy import deepcopy\n",
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"from datetime import datetime, timedelta\n",
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"from pathlib import Path\n",
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||
"from typing import (\n",
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" Any,\n",
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||
" Generator,\n",
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||
" Optional,\n",
|
||
" Sequence,\n",
|
||
" TypeAlias,\n",
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||
" TypedDict,\n",
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" cast,\n",
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" overload,\n",
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")\n",
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"\n",
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"import awkward as ak\n",
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"import jax\n",
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"import jax.numpy as jnp\n",
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"import numpy as np\n",
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"import orjson\n",
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"from beartype import beartype\n",
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"from cv2 import undistortPoints\n",
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"from jaxtyping import Array, Float, Num, jaxtyped\n",
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"from matplotlib import pyplot as plt\n",
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"from numpy.typing import ArrayLike\n",
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"from scipy.spatial.transform import Rotation as R\n",
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"\n",
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"from app.camera import Camera, CameraParams, Detection\n",
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"from app.visualize.whole_body import visualize_whole_body\n",
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"from filter_object_by_box import *\n",
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"NDArray: TypeAlias = np.ndarray"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 291,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/html": [
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"<pre>[{name: 'AF_01', port: 5601, intrinsic: {...}, extrinsic: {...}, ...},\n",
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" {name: 'AF_02', port: 5602, intrinsic: {...}, extrinsic: {...}, ...},\n",
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" {name: 'AF_03', port: 5603, intrinsic: {...}, extrinsic: {...}, ...},\n",
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" {name: 'AF_04', port: 5604, intrinsic: {...}, extrinsic: {...}, ...},\n",
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||
" {name: 'AF_05', port: 5605, intrinsic: {...}, extrinsic: {...}, ...},\n",
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||
" {name: 'AF_06', port: 5606, intrinsic: {...}, extrinsic: {...}, ...},\n",
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" {name: 'AE_01', port: 5607, intrinsic: {...}, extrinsic: {...}, ...},\n",
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||
" {name: 'AE_1A', port: 5608, intrinsic: {...}, extrinsic: {...}, ...},\n",
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" {name: 'AE_08', port: 5609, intrinsic: {...}, extrinsic: {...}, ...}]\n",
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"------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\n",
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||
"backend: cpu\n",
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||
"nbytes: 2.3 kB\n",
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"type: 9 * {\n",
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||
" name: string,\n",
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" port: int64,\n",
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" intrinsic: {\n",
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" camera_matrix: var * var * float64,\n",
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" distortion_coefficients: var * float64\n",
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" },\n",
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" extrinsic: {\n",
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" rvec: var * float64,\n",
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" tvec: var * float64\n",
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" },\n",
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" resolution: {\n",
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" width: int64,\n",
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" height: int64\n",
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||
" }\n",
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"}</pre>"
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],
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"text/plain": [
|
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"<Array [{name: 'AF_01', port: 5601, ...}, ...] type='9 * {name: string, por...'>"
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||
]
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||
},
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||
"metadata": {},
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||
"output_type": "display_data"
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||
}
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||
],
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||
"source": [
|
||
"CAMERA_PATH = Path(\n",
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" \"/home/admin/Documents/ActualTest_QuanCheng/camera_ex_params_1_2025_4_20/camera_params\"\n",
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")\n",
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||
"AK_CAMERA_DATASET: ak.Array = ak.from_parquet(CAMERA_PATH / \"camera_params.parquet\")\n",
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"display(AK_CAMERA_DATASET)"
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||
]
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||
},
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||
{
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||
"cell_type": "code",
|
||
"execution_count": 292,
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||
"metadata": {},
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||
"outputs": [
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||
{
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||
"data": {
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||
"text/plain": [
|
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"np.int64(5604)"
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||
]
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||
},
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||
"metadata": {},
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||
"output_type": "display_data"
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||
},
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{
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"data": {
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"text/html": [
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"<pre>{rvec: [-2.24, 0.0917, -2.14],\n",
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" tvec: [0.165, 0.217, 5.12]}\n",
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"----------------------------------------------------------\n",
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"backend: cpu\n",
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"nbytes: 592 B\n",
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"type: {\n",
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" rvec: var * float64,\n",
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" tvec: var * float64\n",
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"}</pre>"
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||
],
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"text/plain": [
|
||
"<Record {rvec: [-2.24, ...], tvec: [...]} type='{rvec: var * float64, tvec:...'>"
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||
]
|
||
},
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||
"metadata": {},
|
||
"output_type": "display_data"
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||
}
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||
],
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||
"source": [
|
||
"camera_data_5604 = AK_CAMERA_DATASET[3]\n",
|
||
"display(camera_data_5604[\"port\"])\n",
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||
"display(camera_data_5604[\"extrinsic\"])"
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||
]
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||
},
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||
{
|
||
"cell_type": "code",
|
||
"execution_count": 293,
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||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"class Resolution(TypedDict):\n",
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||
" width: int\n",
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" height: int\n",
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"\n",
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"\n",
|
||
"class Intrinsic(TypedDict):\n",
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" camera_matrix: Num[Array, \"3 3\"]\n",
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" \"\"\"\n",
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" K\n",
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||
" \"\"\"\n",
|
||
" distortion_coefficients: Num[Array, \"N\"]\n",
|
||
" \"\"\"\n",
|
||
" distortion coefficients; usually 5\n",
|
||
" \"\"\"\n",
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||
"\n",
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||
"\n",
|
||
"class Extrinsic(TypedDict):\n",
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||
" rvec: Num[NDArray, \"3\"]\n",
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" tvec: Num[NDArray, \"3\"]\n",
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"\n",
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||
"\n",
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"class ExternalCameraParams(TypedDict):\n",
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" name: str\n",
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" port: int\n",
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" intrinsic: Intrinsic\n",
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" extrinsic: Extrinsic\n",
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" resolution: Resolution"
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]
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||
},
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||
{
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||
"cell_type": "code",
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||
"execution_count": 294,
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||
"metadata": {},
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||
"outputs": [],
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||
"source": [
|
||
"DATASET_PATH = Path(\n",
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" \"/home/admin/Documents/ActualTest_QuanCheng/camera_ex_params_1_2025_4_20/detect_result/segement_1\"\n",
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")\n",
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"\n",
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"\n",
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"def read_dataset_by_port(port: int) -> ak.Array:\n",
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" P = DATASET_PATH / f\"{port}.parquet\"\n",
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" P = DATASET_PATH / f\"filter_{port}.parquet\"\n",
|
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" return ak.from_parquet(P)\n",
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"\n",
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||
"\n",
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||
"KEYPOINT_DATASET = {\n",
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||
" int(p): read_dataset_by_port(p) for p in ak.to_numpy(AK_CAMERA_DATASET[\"port\"]) if p in [5603, 5605, 5608, 5609]\n",
|
||
"}"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 295,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"{5603: <Array [{frame_index: 1650, ...}, ..., {...}] type='63 * {frame_index: int6...'>,\n",
|
||
" 5605: <Array [{frame_index: 1650, ...}, ..., {...}] type='63 * {frame_index: int6...'>,\n",
|
||
" 5608: <Array [{frame_index: 1650, ...}, ..., {...}] type='63 * {frame_index: int6...'>,\n",
|
||
" 5609: <Array [{frame_index: 1650, ...}, ..., {...}] type='63 * {frame_index: int6...'>}"
|
||
]
|
||
},
|
||
"execution_count": 295,
|
||
"metadata": {},
|
||
"output_type": "execute_result"
|
||
}
|
||
],
|
||
"source": [
|
||
"KEYPOINT_DATASET"
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||
]
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||
},
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||
{
|
||
"cell_type": "code",
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||
"execution_count": 296,
|
||
"metadata": {},
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||
"outputs": [],
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||
"source": [
|
||
"class KeypointDataset(TypedDict):\n",
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||
" frame_index: int\n",
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||
" boxes: Num[NDArray, \"N 4\"]\n",
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||
" kps: Num[NDArray, \"N J 2\"]\n",
|
||
" kps_scores: Num[NDArray, \"N J\"]\n",
|
||
"\n",
|
||
"\n",
|
||
"@jaxtyped(typechecker=beartype)\n",
|
||
"def to_transformation_matrix(\n",
|
||
" rvec: Num[NDArray, \"3\"], tvec: Num[NDArray, \"3\"]\n",
|
||
") -> Num[NDArray, \"4 4\"]:\n",
|
||
" res = np.eye(4)\n",
|
||
" res[:3, :3] = R.from_rotvec(rvec).as_matrix()\n",
|
||
" res[:3, 3] = tvec\n",
|
||
" return res\n",
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||
"\n",
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||
"\n",
|
||
"@jaxtyped(typechecker=beartype)\n",
|
||
"def undistort_points(\n",
|
||
" points: Num[NDArray, \"M 2\"],\n",
|
||
" camera_matrix: Num[NDArray, \"3 3\"],\n",
|
||
" dist_coeffs: Num[NDArray, \"N\"],\n",
|
||
") -> Num[NDArray, \"M 2\"]:\n",
|
||
" K = camera_matrix\n",
|
||
" dist = dist_coeffs\n",
|
||
" res = undistortPoints(points, K, dist, P=K) # type: ignore\n",
|
||
" return res.reshape(-1, 2)\n",
|
||
"\n",
|
||
"\n",
|
||
"def from_camera_params(camera: ExternalCameraParams) -> Camera:\n",
|
||
" rt = jnp.array(\n",
|
||
" to_transformation_matrix(\n",
|
||
" ak.to_numpy(camera[\"extrinsic\"][\"rvec\"]),\n",
|
||
" ak.to_numpy(camera[\"extrinsic\"][\"tvec\"]),\n",
|
||
" )\n",
|
||
" )\n",
|
||
" K = jnp.array(camera[\"intrinsic\"][\"camera_matrix\"]).reshape(3, 3)\n",
|
||
" dist_coeffs = jnp.array(camera[\"intrinsic\"][\"distortion_coefficients\"])\n",
|
||
" image_size = jnp.array(\n",
|
||
" (camera[\"resolution\"][\"width\"], camera[\"resolution\"][\"height\"])\n",
|
||
" )\n",
|
||
" return Camera(\n",
|
||
" id=camera[\"name\"],\n",
|
||
" params=CameraParams(\n",
|
||
" K=K,\n",
|
||
" Rt=rt,\n",
|
||
" dist_coeffs=dist_coeffs,\n",
|
||
" image_size=image_size,\n",
|
||
" ),\n",
|
||
" )\n",
|
||
"\n",
|
||
"\n",
|
||
"def preprocess_keypoint_dataset(\n",
|
||
" dataset: Sequence[KeypointDataset],\n",
|
||
" camera: Camera,\n",
|
||
" fps: float,\n",
|
||
" start_timestamp: datetime,\n",
|
||
") -> Generator[Detection, None, None]:\n",
|
||
" frame_interval_s = 1 / fps\n",
|
||
" for el in dataset:\n",
|
||
" frame_index = el[\"frame_index\"]\n",
|
||
" timestamp = start_timestamp + timedelta(seconds=frame_index * frame_interval_s)\n",
|
||
" for kp, kp_score, boxes in zip(el[\"kps\"], el[\"kps_scores\"], el[\"boxes\"]):\n",
|
||
" kp = undistort_points(\n",
|
||
" np.asarray(kp),\n",
|
||
" np.asarray(camera.params.K),\n",
|
||
" np.asarray(camera.params.dist_coeffs),\n",
|
||
" )\n",
|
||
"\n",
|
||
" yield Detection(\n",
|
||
" keypoints=jnp.array(kp),\n",
|
||
" confidences=jnp.array(kp_score),\n",
|
||
" camera=camera,\n",
|
||
" timestamp=timestamp,\n",
|
||
" )"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 297,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"from typing import Any, Generator\n",
|
||
"\n",
|
||
"\n",
|
||
"from app.camera import Detection\n",
|
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"\n",
|
||
"\n",
|
||
"DetectionGenerator: TypeAlias = Generator[Detection, None, None]\n",
|
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"\n",
|
||
"\n",
|
||
"def sync_batch_gen(gens: list[DetectionGenerator], diff: timedelta) -> Generator[list[Detection], Any, None]:\n",
|
||
" \"\"\"\n",
|
||
" given a list of detection generators, return a generator that yields a batch of detections\n",
|
||
"\n",
|
||
" Args:\n",
|
||
" gens: list of detection generators\n",
|
||
" diff: maximum timestamp difference between detections to consider them part of the same batch\n",
|
||
" \"\"\"\n",
|
||
" N = len(gens)\n",
|
||
" last_batch_timestamp: Optional[datetime] = None\n",
|
||
" next_batch_timestamp: Optional[datetime] = None\n",
|
||
" current_batch: list[Detection] = []\n",
|
||
" next_batch: list[Detection] = []\n",
|
||
" paused: list[bool] = [False] * N\n",
|
||
" finished: list[bool] = [False] * N\n",
|
||
"\n",
|
||
" def reset_paused():\n",
|
||
" \"\"\"\n",
|
||
" reset paused list based on finished list\n",
|
||
" \"\"\"\n",
|
||
" for i in range(N):\n",
|
||
" if not finished[i]:\n",
|
||
" paused[i] = False\n",
|
||
" else:\n",
|
||
" paused[i] = True\n",
|
||
"\n",
|
||
" EPS = 1e-6\n",
|
||
" # a small epsilon to avoid floating point precision issues\n",
|
||
" diff_esp = diff - timedelta(seconds=EPS)\n",
|
||
" while True:\n",
|
||
" for i, gen in enumerate(gens):\n",
|
||
" try:\n",
|
||
" if finished[i] or paused[i]:\n",
|
||
" continue\n",
|
||
" val = next(gen)\n",
|
||
" if last_batch_timestamp is None:\n",
|
||
" last_batch_timestamp = val.timestamp\n",
|
||
" current_batch.append(val)\n",
|
||
" else:\n",
|
||
" if abs(val.timestamp - last_batch_timestamp) >= diff_esp:\n",
|
||
" next_batch.append(val)\n",
|
||
" if next_batch_timestamp is None:\n",
|
||
" next_batch_timestamp = val.timestamp\n",
|
||
" paused[i] = True\n",
|
||
" if all(paused):\n",
|
||
" yield current_batch\n",
|
||
" current_batch = next_batch\n",
|
||
" next_batch = []\n",
|
||
" last_batch_timestamp = next_batch_timestamp\n",
|
||
" next_batch_timestamp = None\n",
|
||
" reset_paused()\n",
|
||
" else:\n",
|
||
" current_batch.append(val)\n",
|
||
" except StopIteration:\n",
|
||
" finished[i] = True\n",
|
||
" paused[i] = True\n",
|
||
" if all(finished):\n",
|
||
" if len(current_batch) > 0:\n",
|
||
" # All generators exhausted, flush remaining batch and exit\n",
|
||
" yield current_batch\n",
|
||
" break"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 298,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"@overload\n",
|
||
"def to_projection_matrix(\n",
|
||
" transformation_matrix: Num[NDArray, \"4 4\"], camera_matrix: Num[NDArray, \"3 3\"]\n",
|
||
") -> Num[NDArray, \"3 4\"]: ...\n",
|
||
"\n",
|
||
"\n",
|
||
"@overload\n",
|
||
"def to_projection_matrix(\n",
|
||
" transformation_matrix: Num[Array, \"4 4\"], camera_matrix: Num[Array, \"3 3\"]\n",
|
||
") -> Num[Array, \"3 4\"]: ...\n",
|
||
"\n",
|
||
"\n",
|
||
"@jaxtyped(typechecker=beartype)\n",
|
||
"def to_projection_matrix(\n",
|
||
" transformation_matrix: Num[Any, \"4 4\"],\n",
|
||
" camera_matrix: Num[Any, \"3 3\"],\n",
|
||
") -> Num[Any, \"3 4\"]:\n",
|
||
" return camera_matrix @ transformation_matrix[:3, :]\n",
|
||
"\n",
|
||
"\n",
|
||
"to_projection_matrix_jit = jax.jit(to_projection_matrix)\n",
|
||
"\n",
|
||
"\n",
|
||
"@jaxtyped(typechecker=beartype)\n",
|
||
"def dlt(\n",
|
||
" H1: Num[NDArray, \"3 4\"],\n",
|
||
" H2: Num[NDArray, \"3 4\"],\n",
|
||
" p1: Num[NDArray, \"2\"],\n",
|
||
" p2: Num[NDArray, \"2\"],\n",
|
||
") -> Num[NDArray, \"3\"]:\n",
|
||
" \"\"\"\n",
|
||
" Direct Linear Transformation\n",
|
||
" \"\"\"\n",
|
||
" A = [\n",
|
||
" p1[1] * H1[2, :] - H1[1, :],\n",
|
||
" H1[0, :] - p1[0] * H1[2, :],\n",
|
||
" p2[1] * H2[2, :] - H2[1, :],\n",
|
||
" H2[0, :] - p2[0] * H2[2, :],\n",
|
||
" ]\n",
|
||
" A = np.array(A).reshape((4, 4))\n",
|
||
"\n",
|
||
" B = A.transpose() @ A\n",
|
||
" from scipy import linalg\n",
|
||
"\n",
|
||
" U, s, Vh = linalg.svd(B, full_matrices=False)\n",
|
||
" return Vh[3, 0:3] / Vh[3, 3]\n",
|
||
"\n",
|
||
"\n",
|
||
"@overload\n",
|
||
"def homogeneous_to_euclidean(points: Num[NDArray, \"N 4\"]) -> Num[NDArray, \"N 3\"]: ...\n",
|
||
"\n",
|
||
"\n",
|
||
"@overload\n",
|
||
"def homogeneous_to_euclidean(points: Num[Array, \"N 4\"]) -> Num[Array, \"N 3\"]: ...\n",
|
||
"\n",
|
||
"\n",
|
||
"@jaxtyped(typechecker=beartype)\n",
|
||
"def homogeneous_to_euclidean(\n",
|
||
" points: Num[Any, \"N 4\"],\n",
|
||
") -> Num[Any, \"N 3\"]:\n",
|
||
" \"\"\"\n",
|
||
" 将齐次坐标转换为欧几里得坐标\n",
|
||
"\n",
|
||
" Args:\n",
|
||
" points: homogeneous coordinates (x, y, z, w) in numpy array or jax array\n",
|
||
"\n",
|
||
" Returns:\n",
|
||
" euclidean coordinates (x, y, z) in numpy array or jax array\n",
|
||
" \"\"\"\n",
|
||
" return points[..., :-1] / points[..., -1:]"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 299,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"camera_list = [\n",
|
||
" 5601,\n",
|
||
" 5602,\n",
|
||
" 5603,\n",
|
||
" 5604,\n",
|
||
" 5605,\n",
|
||
" 5606,\n",
|
||
" 5607,\n",
|
||
" 5608,\n",
|
||
" 5609,\n",
|
||
"]\n",
|
||
"# compute camera extrinsic matrix and intrinsic matrix \n",
|
||
"cameras = list(map(lambda x: from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == x][0]),camera_list))\n",
|
||
"\n",
|
||
"for element_camera in cameras:\n",
|
||
" with jnp.printoptions(precision=4, suppress=True):\n",
|
||
" # display(element_camera)\n",
|
||
" # display(element_camera.params.Rt.reshape(-1))\n",
|
||
" # display(element_camera.params.K.reshape(-1))\n",
|
||
"\n",
|
||
" # compute camera to object point distance\n",
|
||
" transistion = element_camera.params.pose_matrix[:3, -1]\n",
|
||
" # display(transistion)\n",
|
||
" # display(jnp.linalg.norm(transistion).item())"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 300,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"@jaxtyped(typechecker=beartype)\n",
|
||
"def triangulate_one_point_from_multiple_views_linear(\n",
|
||
" proj_matrices: Float[Array, \"N 3 4\"],\n",
|
||
" points: Num[Array, \"N 2\"],\n",
|
||
" confidences: Optional[Float[Array, \"N\"]] = None,\n",
|
||
") -> Float[Array, \"3\"]:\n",
|
||
" \"\"\"\n",
|
||
" Args:\n",
|
||
" proj_matrices: 形状为(N, 3, 4)的投影矩阵序列\n",
|
||
" points: 形状为(N, 2)的点坐标序列\n",
|
||
" confidences: 形状为(N,)的置信度序列，范围[0.0, 1.0]\n",
|
||
"\n",
|
||
" Returns:\n",
|
||
" point_3d: 形状为(3,)的三角测量得到的3D点\n",
|
||
" \"\"\"\n",
|
||
" assert len(proj_matrices) == len(points)\n",
|
||
"\n",
|
||
" N = len(proj_matrices)\n",
|
||
" confi: Float[Array, \"N\"]\n",
|
||
"\n",
|
||
" if confidences is None:\n",
|
||
" confi = jnp.ones(N, dtype=np.float32)\n",
|
||
" else:\n",
|
||
" # Use square root of confidences for weighting - more balanced approach\n",
|
||
" confi = jnp.sqrt(jnp.clip(confidences, 0, 1))\n",
|
||
"\n",
|
||
" # 将置信度小于0.1点的置信度均设置为0\n",
|
||
" # valid_mask = confidences >= 0.1\n",
|
||
" # confi = jnp.sqrt(jnp.clip(confidences * valid_mask, 0.0, 1.0))\n",
|
||
" \n",
|
||
"\n",
|
||
" A = jnp.zeros((N * 2, 4), dtype=np.float32)\n",
|
||
" for i in range(N):\n",
|
||
" x, y = points[i]\n",
|
||
" A = A.at[2 * i].set(proj_matrices[i, 2] * x - proj_matrices[i, 0])\n",
|
||
" A = A.at[2 * i + 1].set(proj_matrices[i, 2] * y - proj_matrices[i, 1])\n",
|
||
" A = A.at[2 * i].mul(confi[i])\n",
|
||
" A = A.at[2 * i + 1].mul(confi[i])\n",
|
||
"\n",
|
||
" # https://docs.jax.dev/en/latest/_autosummary/jax.numpy.linalg.svd.html\n",
|
||
" _, _, vh = jnp.linalg.svd(A, full_matrices=False)\n",
|
||
" point_3d_homo = vh[-1] # shape (4,)\n",
|
||
"\n",
|
||
" # replace the Python `if` with a jnp.where\n",
|
||
" point_3d_homo = jnp.where(\n",
|
||
" point_3d_homo[3] < 0, # predicate (scalar bool tracer)\n",
|
||
" -point_3d_homo, # if True\n",
|
||
" point_3d_homo, # if False\n",
|
||
" )\n",
|
||
"\n",
|
||
" point_3d = point_3d_homo[:3] / point_3d_homo[3]\n",
|
||
" return point_3d\n",
|
||
"\n",
|
||
"\n",
|
||
"@jaxtyped(typechecker=beartype)\n",
|
||
"def triangulate_points_from_multiple_views_linear(\n",
|
||
" proj_matrices: Float[Array, \"N 3 4\"],\n",
|
||
" points: Num[Array, \"N P 2\"],\n",
|
||
" confidences: Optional[Float[Array, \"N P\"]] = None,\n",
|
||
") -> Float[Array, \"P 3\"]:\n",
|
||
" \"\"\"\n",
|
||
" Batch‐triangulate P points observed by N cameras, linearly via SVD.\n",
|
||
"\n",
|
||
" Args:\n",
|
||
" proj_matrices: (N, 3, 4) projection matrices\n",
|
||
" points: (N, P, 2) image-coordinates per view\n",
|
||
" confidences: (N, P, 1) optional per-view confidences in [0,1]\n",
|
||
"\n",
|
||
" Returns:\n",
|
||
" (P, 3) 3D point for each of the P tracks\n",
|
||
" \"\"\"\n",
|
||
" N, P, _ = points.shape\n",
|
||
" assert proj_matrices.shape[0] == N\n",
|
||
" \n",
|
||
" conf = jnp.array(confidences)\n",
|
||
" \n",
|
||
" # vectorize your one‐point routine over P\n",
|
||
" vmap_triangulate = jax.vmap(\n",
|
||
" triangulate_one_point_from_multiple_views_linear,\n",
|
||
" in_axes=(None, 1, 1), # proj_matrices static, map over points[:,p,:], conf[:,p]\n",
|
||
" out_axes=0,\n",
|
||
" )\n",
|
||
"\n",
|
||
" # returns (P, 3)\n",
|
||
" return vmap_triangulate(proj_matrices, points, conf)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 301,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"FPS = 24\n",
|
||
"# image_gen_5601 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5601], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5601][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"# image_gen_5602 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5602], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5602][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"image_gen_5603 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5603], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5603][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"# image_gen_5604 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5604], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5604][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"image_gen_5605 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5605], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5605][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"# image_gen_5606 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5606], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5606][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"# image_gen_5607 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5607], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5607][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"image_gen_5608 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5608], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5608][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"image_gen_5609 = preprocess_keypoint_dataset(KEYPOINT_DATASET[5609], from_camera_params(AK_CAMERA_DATASET[AK_CAMERA_DATASET[\"port\"] == 5609][0]), FPS, datetime(2024, 4, 2, 12, 0, 0)) # type: ignore\n",
|
||
"\n"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 302,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"0.041666666666666664"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"display(1 / FPS)\n",
|
||
"sync_gen = sync_batch_gen(\n",
|
||
" [\n",
|
||
" # image_gen_5601,\n",
|
||
" # image_gen_5602,\n",
|
||
" image_gen_5603,\n",
|
||
" # image_gen_5604,\n",
|
||
" image_gen_5605,\n",
|
||
" # image_gen_5607,\n",
|
||
" # image_gen_5606,\n",
|
||
" image_gen_5608,\n",
|
||
" image_gen_5609\n",
|
||
" ],\n",
|
||
" timedelta(seconds=1 / FPS),\n",
|
||
")"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 303,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"detections = next(sync_gen)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 304,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"from app.tracking import AffinityResult, Tracking\n",
|
||
"from copy import copy as shallow_copy\n",
|
||
"from pyrsistent import v, pvector\n",
|
||
"from beartype.typing import Mapping, Sequence\n",
|
||
"from app.camera import (\n",
|
||
" Camera,\n",
|
||
" CameraID,\n",
|
||
" CameraParams,\n",
|
||
" Detection,\n",
|
||
" calculate_affinity_matrix_by_epipolar_constraint,\n",
|
||
" classify_by_camera,\n",
|
||
")\n",
|
||
"\n",
|
||
"from optax.assignment import hungarian_algorithm as linear_sum_assignment\n",
|
||
"from itertools import chain\n",
|
||
"\n",
|
||
"DELTA_T_MIN = timedelta(milliseconds=10)\n",
|
||
"\n",
|
||
"class GlobalTrackingState:\n",
|
||
" _last_id: int\n",
|
||
" _trackings: dict[int, Tracking]\n",
|
||
"\n",
|
||
" def __init__(self):\n",
|
||
" self._last_id = 0\n",
|
||
" self._trackings = {}\n",
|
||
"\n",
|
||
" def __repr__(self) -> str:\n",
|
||
" return (\n",
|
||
" f\"GlobalTrackingState(last_id={self._last_id}, trackings={self._trackings})\"\n",
|
||
" )\n",
|
||
"\n",
|
||
" @property\n",
|
||
" def trackings(self) -> dict[int, Tracking]:\n",
|
||
" return shallow_copy(self._trackings)\n",
|
||
"\n",
|
||
" def add_tracking(self, cluster: Sequence[Detection]) -> Tracking:\n",
|
||
" kps_3d, latest_timestamp = triangle_from_cluster(cluster)\n",
|
||
" next_id = self._last_id + 1\n",
|
||
" tracking = Tracking(\n",
|
||
" id=next_id,\n",
|
||
" keypoints=kps_3d,\n",
|
||
" last_active_timestamp=latest_timestamp,\n",
|
||
" historical_detections=v(*cluster),\n",
|
||
" )\n",
|
||
" self._trackings[next_id] = tracking\n",
|
||
" self._last_id = next_id\n",
|
||
" return tracking\n",
|
||
" \n",
|
||
"@jaxtyped(typechecker=beartype)\n",
|
||
"def triangle_from_cluster(\n",
|
||
" cluster: Sequence[Detection],\n",
|
||
") -> tuple[Float[Array, \"N 3\"], datetime]:\n",
|
||
" proj_matrices = jnp.array([el.camera.params.projection_matrix for el in cluster])\n",
|
||
" points = jnp.array([el.keypoints_undistorted for el in cluster])\n",
|
||
" confidences = jnp.array([el.confidences for el in cluster])\n",
|
||
" latest_timestamp = max(el.timestamp for el in cluster)\n",
|
||
" return (\n",
|
||
" triangulate_points_from_multiple_views_linear(\n",
|
||
" proj_matrices, points, confidences=confidences\n",
|
||
" ),\n",
|
||
" latest_timestamp,\n",
|
||
" )\n",
|
||
"\n",
|
||
"@beartype\n",
|
||
"def calculate_camera_affinity_matrix_jax(\n",
|
||
" trackings: Sequence[Tracking],\n",
|
||
" camera_detections: Sequence[Detection],\n",
|
||
" w_2d: float,\n",
|
||
" alpha_2d: float,\n",
|
||
" w_3d: float,\n",
|
||
" alpha_3d: float,\n",
|
||
" lambda_a: float,\n",
|
||
") -> Float[Array, \"T D\"]:\n",
|
||
" \"\"\"\n",
|
||
" Vectorized implementation to compute an affinity matrix between *trackings*\n",
|
||
" and *detections* coming from **one** camera.\n",
|
||
"\n",
|
||
" Compared with the simple double-for-loop version, this leverages `jax`'s\n",
|
||
" broadcasting + `vmap` facilities and avoids Python loops over every\n",
|
||
" (tracking, detection) pair. The mathematical definition of the affinity\n",
|
||
" is **unchanged**, so the result remains bit-identical to the reference\n",
|
||
" implementation used in the tests.\n",
|
||
" \"\"\"\n",
|
||
"\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # Quick validations / early-exit guards\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" if len(trackings) == 0 or len(camera_detections) == 0:\n",
|
||
" # Return an empty affinity matrix with appropriate shape.\n",
|
||
" return jnp.zeros((len(trackings), len(camera_detections))) # type: ignore[return-value]\n",
|
||
"\n",
|
||
" cam = next(iter(camera_detections)).camera\n",
|
||
" # Ensure every detection truly belongs to the same camera (guard clause)\n",
|
||
" cam_id = cam.id\n",
|
||
" if any(det.camera.id != cam_id for det in camera_detections):\n",
|
||
" raise ValueError(\n",
|
||
" \"All detections passed to `calculate_camera_affinity_matrix` must come from one camera.\"\n",
|
||
" )\n",
|
||
"\n",
|
||
" # We will rely on a single `Camera` instance (all detections share it)\n",
|
||
" w_img_, h_img_ = cam.params.image_size\n",
|
||
" w_img, h_img = float(w_img_), float(h_img_)\n",
|
||
"\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # Gather data into ndarray / DeviceArray batches so that we can compute\n",
|
||
" # everything in a single (or a few) fused kernels.\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
"\n",
|
||
" # === Tracking-side tensors ===\n",
|
||
" kps3d_trk: Float[Array, \"T J 3\"] = jnp.stack(\n",
|
||
" [trk.keypoints for trk in trackings]\n",
|
||
" ) # (T, J, 3)\n",
|
||
" J = kps3d_trk.shape[1]\n",
|
||
" # === Detection-side tensors ===\n",
|
||
" kps2d_det: Float[Array, \"D J 2\"] = jnp.stack(\n",
|
||
" [det.keypoints for det in camera_detections]\n",
|
||
" ) # (D, J, 2)\n",
|
||
"\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # Compute Δt matrix – shape (T, D)\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # Epoch timestamps are ~1.7 × 10⁹; storing them in float32 wipes out\n",
|
||
" # sub‑second detail (resolution ≈ 200 ms). Keep them in float64 until\n",
|
||
" # after subtraction so we preserve Δt‑on‑the‑order‑of‑milliseconds.\n",
|
||
" # --- timestamps ----------\n",
|
||
" t0 = min(\n",
|
||
" chain(\n",
|
||
" (trk.last_active_timestamp for trk in trackings),\n",
|
||
" (det.timestamp for det in camera_detections),\n",
|
||
" )\n",
|
||
" ).timestamp() # common origin (float)\n",
|
||
" ts_trk = jnp.array(\n",
|
||
" [trk.last_active_timestamp.timestamp() - t0 for trk in trackings],\n",
|
||
" dtype=jnp.float32, # now small, ms-scale fits in fp32\n",
|
||
" )\n",
|
||
" ts_det = jnp.array(\n",
|
||
" [det.timestamp.timestamp() - t0 for det in camera_detections],\n",
|
||
" dtype=jnp.float32,\n",
|
||
" )\n",
|
||
" # Δt in seconds, fp32 throughout\n",
|
||
" delta_t = ts_det[None, :] - ts_trk[:, None] # (T,D)\n",
|
||
" min_dt_s = float(DELTA_T_MIN.total_seconds())\n",
|
||
" delta_t = jnp.clip(delta_t, a_min=min_dt_s, a_max=None)\n",
|
||
"\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # ---------- 2D affinity -------------------------------------------\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # Project each tracking's 3D keypoints onto the image once.\n",
|
||
" # `Camera.project` works per-sample, so we vmap over the first axis.\n",
|
||
"\n",
|
||
" proj_fn = jax.vmap(cam.project, in_axes=0) # maps over the keypoint sets\n",
|
||
" kps2d_trk_proj: Float[Array, \"T J 2\"] = proj_fn(kps3d_trk) # (T, J, 2)\n",
|
||
"\n",
|
||
" # Normalise keypoints by image size so absolute units do not bias distance\n",
|
||
" norm_trk = kps2d_trk_proj / jnp.array([w_img, h_img])\n",
|
||
" norm_det = kps2d_det / jnp.array([w_img, h_img])\n",
|
||
"\n",
|
||
" # L2 distance for every (T, D, J)\n",
|
||
" # reshape for broadcasting: (T,1,J,2) vs (1,D,J,2)\n",
|
||
" diff2d = norm_trk[:, None, :, :] - norm_det[None, :, :, :]\n",
|
||
" dist2d: Float[Array, \"T D J\"] = jnp.linalg.norm(diff2d, axis=-1)\n",
|
||
"\n",
|
||
" # Compute per-keypoint 2D affinity\n",
|
||
" delta_t_broadcast = delta_t[:, :, None] # (T, D, 1)\n",
|
||
" affinity_2d = (\n",
|
||
" w_2d\n",
|
||
" * (1 - dist2d / (alpha_2d * delta_t_broadcast))\n",
|
||
" * jnp.exp(-lambda_a * delta_t_broadcast)\n",
|
||
" )\n",
|
||
"\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # ---------- 3D affinity -------------------------------------------\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # For each detection pre-compute back-projected 3D points lying on z=0 plane.\n",
|
||
"\n",
|
||
" backproj_points_list = [\n",
|
||
" det.camera.unproject_points_to_z_plane(det.keypoints, z=0.0)\n",
|
||
" for det in camera_detections\n",
|
||
" ] # each (J,3)\n",
|
||
" backproj: Float[Array, \"D J 3\"] = jnp.stack(backproj_points_list) # (D, J, 3)\n",
|
||
"\n",
|
||
" zero_velocity = jnp.zeros((J, 3))\n",
|
||
" trk_velocities = jnp.stack(\n",
|
||
" [\n",
|
||
" trk.velocity if trk.velocity is not None else zero_velocity\n",
|
||
" for trk in trackings\n",
|
||
" ]\n",
|
||
" )\n",
|
||
"\n",
|
||
" predicted_pose: Float[Array, \"T D J 3\"] = (\n",
|
||
" kps3d_trk[:, None, :, :] # (T,1,J,3)\n",
|
||
" + trk_velocities[:, None, :, :] * delta_t[:, :, None, None] # (T,D,1,1)\n",
|
||
" )\n",
|
||
"\n",
|
||
" # Camera center – shape (3,) -> will broadcast\n",
|
||
" cam_center = cam.params.location\n",
|
||
"\n",
|
||
" # Compute perpendicular distance using vectorized formula\n",
|
||
" # p1 = cam_center (3,)\n",
|
||
" # p2 = backproj (D, J, 3)\n",
|
||
" # P = predicted_pose (T, D, J, 3)\n",
|
||
" # Broadcast plan: v1 = P - p1 → (T, D, J, 3)\n",
|
||
" # v2 = p2[None, ...]-p1 → (1, D, J, 3)\n",
|
||
" # Shapes now line up; no stray singleton axis.\n",
|
||
" p1 = cam_center\n",
|
||
" p2 = backproj\n",
|
||
" P = predicted_pose\n",
|
||
" v1 = P - p1\n",
|
||
" v2 = p2[None, :, :, :] - p1 # (1, D, J, 3)\n",
|
||
" cross = jnp.cross(v1, v2) # (T, D, J, 3)\n",
|
||
" num = jnp.linalg.norm(cross, axis=-1) # (T, D, J)\n",
|
||
" den = jnp.linalg.norm(v2, axis=-1) # (1, D, J)\n",
|
||
" dist3d: Float[Array, \"T D J\"] = num / den\n",
|
||
"\n",
|
||
" affinity_3d = (\n",
|
||
" w_3d * (1 - dist3d / alpha_3d) * jnp.exp(-lambda_a * delta_t_broadcast)\n",
|
||
" )\n",
|
||
"\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" # Combine and reduce across keypoints → (T, D)\n",
|
||
" # ------------------------------------------------------------------\n",
|
||
" total_affinity: Float[Array, \"T D\"] = jnp.sum(affinity_2d + affinity_3d, axis=-1)\n",
|
||
" return total_affinity # type: ignore[return-value]\n",
|
||
"\n",
|
||
"\n",
|
||
"@beartype\n",
|
||
"def calculate_affinity_matrix(\n",
|
||
" trackings: Sequence[Tracking],\n",
|
||
" detections: Sequence[Detection] | Mapping[CameraID, list[Detection]],\n",
|
||
" w_2d: float,\n",
|
||
" alpha_2d: float,\n",
|
||
" w_3d: float,\n",
|
||
" alpha_3d: float,\n",
|
||
" lambda_a: float,\n",
|
||
") -> dict[CameraID, AffinityResult]:\n",
|
||
" \"\"\"\n",
|
||
" Calculate the affinity matrix between a set of trackings and detections.\n",
|
||
"\n",
|
||
" Args:\n",
|
||
" trackings: Sequence of tracking objects\n",
|
||
" detections: Sequence of detection objects or a group detections by ID\n",
|
||
" w_2d: Weight for 2D affinity\n",
|
||
" alpha_2d: Normalization factor for 2D distance\n",
|
||
" w_3d: Weight for 3D affinity\n",
|
||
" alpha_3d: Normalization factor for 3D distance\n",
|
||
" lambda_a: Decay rate for time difference\n",
|
||
" Returns:\n",
|
||
" A dictionary mapping camera IDs to affinity results.\n",
|
||
" \"\"\"\n",
|
||
" if isinstance(detections, Mapping):\n",
|
||
" detection_by_camera = detections\n",
|
||
" else:\n",
|
||
" detection_by_camera = classify_by_camera(detections)\n",
|
||
"\n",
|
||
" res: dict[CameraID, AffinityResult] = {}\n",
|
||
" for camera_id, camera_detections in detection_by_camera.items():\n",
|
||
" affinity_matrix = calculate_camera_affinity_matrix_jax(\n",
|
||
" trackings,\n",
|
||
" camera_detections,\n",
|
||
" w_2d,\n",
|
||
" alpha_2d,\n",
|
||
" w_3d,\n",
|
||
" alpha_3d,\n",
|
||
" lambda_a,\n",
|
||
" )\n",
|
||
" # row, col\n",
|
||
" indices_T, indices_D = linear_sum_assignment(affinity_matrix)\n",
|
||
" affinity_result = AffinityResult(\n",
|
||
" matrix=affinity_matrix,\n",
|
||
" trackings=trackings,\n",
|
||
" detections=camera_detections,\n",
|
||
" indices_T=indices_T,\n",
|
||
" indices_D=indices_D,\n",
|
||
" )\n",
|
||
" res[camera_id] = affinity_result\n",
|
||
" return res\n"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 305,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"dict_values([Tracking(1, 2024-04-02 12:01:08.791667)])"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"global_tracking_state = GlobalTrackingState()\n",
|
||
"detections = next(sync_gen)\n",
|
||
"global_tracking_state.add_tracking(detections)\n",
|
||
"display(global_tracking_state.trackings.values())"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 306,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"[Tracking(1, 2024-04-02 12:01:08.791667)]"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"W_2D = 1.0\n",
|
||
"ALPHA_2D = 1.0\n",
|
||
"LAMBDA_A = 0.1\n",
|
||
"W_3D = 1.0\n",
|
||
"ALPHA_3D = 1.0\n",
|
||
"\n",
|
||
"detections = next(sync_gen)\n",
|
||
"trackings = sorted(global_tracking_state.trackings.values(), key=lambda x: x.id)\n",
|
||
"# display(detections)\n",
|
||
"display(trackings)\n",
|
||
"# 跟踪状态\n",
|
||
"affinities = calculate_affinity_matrix(\n",
|
||
" trackings=trackings,\n",
|
||
" detections=detections,\n",
|
||
" w_2d=W_2D,\n",
|
||
" alpha_2d=ALPHA_2D,\n",
|
||
" w_3d=W_3D,\n",
|
||
" alpha_3d=ALPHA_3D,\n",
|
||
" lambda_a=LAMBDA_A,\n",
|
||
")\n",
|
||
"\n",
|
||
"# 跟踪上的2d检测数据\n",
|
||
"track_detetions = []\n",
|
||
"for key in affinities.keys():\n",
|
||
" # 每一个机位的跟踪数据\n",
|
||
" detection = affinities[key].detections\n",
|
||
" tracking = affinities[key].trackings\n",
|
||
" if tracking == None:\n",
|
||
" display(detection)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 318,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"{'AF_03': AffinityResult(matrix=Array([[243.36333]], dtype=float32), trackings=[Tracking(1, 2024-04-02 12:01:08.791667)], detections=[Detection(<Camera id=AF_03>, 2024-04-02 12:01:08.833333)], indices_T=Array([0], dtype=int32), indices_D=Array([0], dtype=int32, weak_type=True)),\n",
|
||
" 'AF_05': AffinityResult(matrix=Array([[207.50095]], dtype=float32), trackings=[Tracking(1, 2024-04-02 12:01:08.791667)], detections=[Detection(<Camera id=AF_05>, 2024-04-02 12:01:08.833333)], indices_T=Array([0], dtype=int32), indices_D=Array([0], dtype=int32, weak_type=True)),\n",
|
||
" 'AE_1A': AffinityResult(matrix=Array([[221.3469]], dtype=float32), trackings=[Tracking(1, 2024-04-02 12:01:08.791667)], detections=[Detection(<Camera id=AE_1A>, 2024-04-02 12:01:08.833333)], indices_T=Array([0], dtype=int32), indices_D=Array([0], dtype=int32, weak_type=True)),\n",
|
||
" 'AE_08': AffinityResult(matrix=Array([[235.55804]], dtype=float32), trackings=[Tracking(1, 2024-04-02 12:01:08.791667)], detections=[Detection(<Camera id=AE_08>, 2024-04-02 12:01:08.833333)], indices_T=Array([0], dtype=int32), indices_D=Array([0], dtype=int32, weak_type=True))}"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
},
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"[Tracking(1, 2024-04-02 12:01:08.791667)]"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"display(affinities)\n",
|
||
"display(trackings)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 308,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"10"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"# 使用已经筛选过的数据\n",
|
||
"def triangle_from_cluster(cluster: list[Detection]) -> Float[Array, \"3\"]:\n",
|
||
" proj_matrices = jnp.array([el.camera.params.projection_matrix for el in cluster])\n",
|
||
" points = jnp.array([el.keypoints for el in cluster])\n",
|
||
" confidences = jnp.array([el.confidences for el in cluster])\n",
|
||
" return triangulate_points_from_multiple_views_linear(\n",
|
||
" proj_matrices, points, confidences=confidences\n",
|
||
" )\n",
|
||
"\n",
|
||
"# 使用已经筛选过的数据\n",
|
||
"count = 0\n",
|
||
"all_frame_detections = []\n",
|
||
"# 遍历筛选后的数据共59帧\n",
|
||
"while count < 10:\n",
|
||
" detections = next(sync_gen)\n",
|
||
" all_frame_detections.append(triangle_from_cluster(detections).tolist())\n",
|
||
" count += 1\n",
|
||
"\n",
|
||
"display(len(all_frame_detections))\n",
|
||
"# with open(\"samples/QuanCheng_res_new.json\", \"wb\") as f:\n",
|
||
"# f.write(orjson.dumps(all_frame_detections))"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 309,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"'\\nall_frame_detections = []\\nfor i in range(800):\\n detections = next(sync_gen)\\n # 筛选关键点\\n\\n filter_detections = []\\n for element in detections:\\n filter_box_points_3d = calculater_box_3d_points()\\n box_points_2d = calculater_box_2d_points(filter_box_points_3d, element.camera)\\n box_triangles_all_points = calculater_box_common_scope(box_points_2d)\\n union_area, union_polygon = calculate_triangle_union(box_triangles_all_points)\\n contours = get_contours(union_polygon)\\n \\n # 筛选目标框里的数据\\n if filter_kps_box(element.keypoints, contours):\\n filter_detections.append(element)\\n # 判断筛选后的数据是否为空\\n if len(filter_detections)>2:\\n all_frame_detections.append(triangle_from_cluster(filter_detections).tolist())\\n\\n # 筛选只剩一个人的数据，直接进行DLT\\n# res = {\"a\": all_frame_detections}\\n# display(res)\\nwith open(\"samples/QuanCheng_res.json\", \"wb\") as f:\\n f.write(orjson.dumps(all_frame_detections))\\n'"
|
||
]
|
||
},
|
||
"execution_count": 309,
|
||
"metadata": {},
|
||
"output_type": "execute_result"
|
||
}
|
||
],
|
||
"source": [
|
||
"# 直接导入全部检测数据，在此处进行筛选\n",
|
||
"'''\n",
|
||
"all_frame_detections = []\n",
|
||
"for i in range(800):\n",
|
||
" detections = next(sync_gen)\n",
|
||
" # 筛选关键点\n",
|
||
"\n",
|
||
" filter_detections = []\n",
|
||
" for element in detections:\n",
|
||
" filter_box_points_3d = calculater_box_3d_points()\n",
|
||
" box_points_2d = calculater_box_2d_points(filter_box_points_3d, element.camera)\n",
|
||
" box_triangles_all_points = calculater_box_common_scope(box_points_2d)\n",
|
||
" union_area, union_polygon = calculate_triangle_union(box_triangles_all_points)\n",
|
||
" contours = get_contours(union_polygon)\n",
|
||
" \n",
|
||
" # 筛选目标框里的数据\n",
|
||
" if filter_kps_box(element.keypoints, contours):\n",
|
||
" filter_detections.append(element)\n",
|
||
" # 判断筛选后的数据是否为空\n",
|
||
" if len(filter_detections)>2:\n",
|
||
" all_frame_detections.append(triangle_from_cluster(filter_detections).tolist())\n",
|
||
"\n",
|
||
" # 筛选只剩一个人的数据，直接进行DLT\n",
|
||
"# res = {\"a\": all_frame_detections}\n",
|
||
"# display(res)\n",
|
||
"with open(\"samples/QuanCheng_res.json\", \"wb\") as f:\n",
|
||
" f.write(orjson.dumps(all_frame_detections))\n",
|
||
"'''"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 310,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"text/plain": [
|
||
"'display(len(detections))'"
|
||
]
|
||
},
|
||
"execution_count": 310,
|
||
"metadata": {},
|
||
"output_type": "execute_result"
|
||
}
|
||
],
|
||
"source": [
|
||
"'''display(len(detections))'''"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 311,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"# 极限约束\n",
|
||
"# from app.camera import calculate_affinity_matrix_by_epipolar_constraint\n",
|
||
"\n",
|
||
"# sorted_detections, affinity_matrix = calculate_affinity_matrix_by_epipolar_constraint(\n",
|
||
"# detections, alpha_2d=3500\n",
|
||
"# )"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 312,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"# display(\n",
|
||
"# list(\n",
|
||
"# map(\n",
|
||
"# lambda x: {\n",
|
||
"# \"timestamp\": str(x.timestamp),\n",
|
||
"# \"camera\": x.camera.id,\n",
|
||
"# \"keypoint\": x.keypoints.shape,\n",
|
||
"# },\n",
|
||
"# sorted_detections,\n",
|
||
"# )\n",
|
||
"# )\n",
|
||
"# )\n",
|
||
"# with jnp.printoptions(precision=3, suppress=True):\n",
|
||
"# display(affinity_matrix)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 313,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"# from app.solver._old import GLPKSolver\n",
|
||
"\n",
|
||
"\n",
|
||
"# def clusters_to_detections(\n",
|
||
"# clusters: list[list[int]], sorted_detections: list[Detection]\n",
|
||
"# ) -> list[list[Detection]]:\n",
|
||
"# \"\"\"\n",
|
||
"# given a list of clusters (which is the indices of the detections in the sorted_detections list),\n",
|
||
"# extract the detections from the sorted_detections list\n",
|
||
"\n",
|
||
"# Args:\n",
|
||
"# clusters: list of clusters, each cluster is a list of indices of the detections in the `sorted_detections` list\n",
|
||
"# sorted_detections: list of SORTED detections\n",
|
||
"\n",
|
||
"# Returns:\n",
|
||
"# list of clusters, each cluster is a list of detections\n",
|
||
"# \"\"\"\n",
|
||
"# return [[sorted_detections[i] for i in cluster] for cluster in clusters]\n",
|
||
"\n",
|
||
"\n",
|
||
"# solver = GLPKSolver()\n",
|
||
"# aff_np = np.asarray(affinity_matrix).astype(np.float64)\n",
|
||
"# clusters, sol_matrix = solver.solve(aff_np)\n",
|
||
"# display(clusters)\n",
|
||
"# display(sol_matrix)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 314,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"# WIDTH = 2560\n",
|
||
"# HEIGHT = 1440\n",
|
||
"\n",
|
||
"# clusters_detections = clusters_to_detections(clusters, sorted_detections)\n",
|
||
"# im = np.zeros((HEIGHT, WIDTH, 3), dtype=np.uint8)\n",
|
||
"# for el in clusters_detections[0]:\n",
|
||
"# im = visualize_whole_body(np.asarray(el.keypoints), im)\n",
|
||
"\n",
|
||
"# p = plt.imshow(im)\n",
|
||
"# display(p)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 315,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"# im_prime = np.zeros((HEIGHT, WIDTH, 3), dtype=np.uint8)\n",
|
||
"# for el in clusters_detections[1]:\n",
|
||
"# im_prime = visualize_whole_body(np.asarray(el.keypoints), im_prime)\n",
|
||
"\n",
|
||
"# p_prime = plt.imshow(im_prime)\n",
|
||
"# display(p_prime)"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 316,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": [
|
||
"# def triangle_from_cluster(cluster: list[Detection]) -> Float[Array, \"3\"]:\n",
|
||
"# proj_matrices = jnp.array([el.camera.params.projection_matrix for el in cluster])\n",
|
||
"# points = jnp.array([el.keypoints for el in cluster])\n",
|
||
"# confidences = jnp.array([el.confidences for el in cluster])\n",
|
||
"# return triangulate_points_from_multiple_views_linear(\n",
|
||
"# proj_matrices, points, confidences=confidences\n",
|
||
"# )\n",
|
||
"\n",
|
||
"\n",
|
||
"# res = {\n",
|
||
"# \"a\": triangle_from_cluster(clusters_detections[0]).tolist(),\n",
|
||
"# \"b\": triangle_from_cluster(clusters_detections[1]).tolist(),\n",
|
||
"# }\n",
|
||
"# with open(\"samples/QuanCheng_res.json\", \"wb\") as f:\n",
|
||
"# f.write(orjson.dumps(res))"
|
||
]
|
||
}
|
||
],
|
||
"metadata": {
|
||
"kernelspec": {
|
||
"display_name": ".venv",
|
||
"language": "python",
|
||
"name": "python3"
|
||
},
|
||
"language_info": {
|
||
"codemirror_mode": {
|
||
"name": "ipython",
|
||
"version": 3
|
||
},
|
||
"file_extension": ".py",
|
||
"mimetype": "text/x-python",
|
||
"name": "python",
|
||
"nbconvert_exporter": "python",
|
||
"pygments_lexer": "ipython3",
|
||
"version": "3.12.9"
|
||
}
|
||
},
|
||
"nbformat": 4,
|
||
"nbformat_minor": 2
|
||
}
|