update at 2026-06-03 11:04:16
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@@ -23,6 +23,9 @@ flowchart TD
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I --> J[浏览器动态打标画面]
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```
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---
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```mermaid
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flowchart TD
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A[读取一帧 BGR 图像] --> B{是否达到 FRAME_SKIP}
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@@ -1,3 +1,5 @@
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"""能力开放接口客户端:获取 accessToken、签名并请求摄像头 RTSP 地址。"""
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from __future__ import annotations
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import hashlib
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@@ -1,3 +1,5 @@
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"""配置模块:从环境变量读取服务、模型、视频源和检测参数。"""
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from __future__ import annotations
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import os
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@@ -1,3 +1,5 @@
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"""DETR 车辆检测模块:加载模型并输出车辆类别、置信度和检测框。"""
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from __future__ import annotations
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from typing import Any
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@@ -1,3 +1,5 @@
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"""摄像头管理模块:加载设备列表、切换当前设备并解析播放地址。"""
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from __future__ import annotations
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import threading
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@@ -1,3 +1,5 @@
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"""FastAPI 入口模块:提供页面、视频流、状态、设备切换和 WebSocket 接口。"""
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from __future__ import annotations
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import asyncio
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@@ -1,3 +1,5 @@
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"""视频流工作线程:读取视频帧、调用检测器、绘制 OSD 并缓存 JPEG。"""
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from __future__ import annotations
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import threading
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