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feat(v1): relax fall sensitivity for low overhead cameras

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Adds configurable event.require_rapid_drop (default off), require_lower_body
(default off) and horizontal_angle_threshold_degrees (default 45). With the
lenient defaults a sustained horizontal pose alone enters SUSPECT and confirms
after the confirm window, which is now the main false-positive guard; missing
knees/ankles no longer reject the pose. Thresholds flow into config_version.
End-to-end smoke confirms a lying pose; 70 tests pass.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
ila
2026-07-21 23:29:16 +08:00
co-authored by Claude Opus 4.8
parent 5f29a8e60f
commit b1f0e8aeb4
12 changed files with 104 additions and 12 deletions
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docs/06-tasks.md
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| T-206 | 结构化摄像头配置、连接测试与设置页预览 | T-201 | 配置支持 host/端口/通道/账号/密码 结构化来源并拼出 RTSP（凭证百分号编码）；公开示例保持无凭证、`config_version` 不含凭证；设置页可掩码输入、点击测试连接，连通后抓拍一帧显示在预览区。 | DONE |
| T-207 | 抓流低延迟参数进配置与设置页 | T-206 | 配置支持 transport(tcp/udp)/连接超时/低延迟，程序拼 `OPENCV_FFMPEG_CAPTURE_OPTIONS` 并在开流前注入；设置页用下拉/数字/勾选而非原始字符串；启动可不依赖 run 脚本设环境变量。 | DONE |
| T-208 | 每帧摔倒判定诊断叠加 | T-201 | 管线暴露每人策略证据；实时画面角落叠加每人 `accepted/horizontal/角度/rapid/candidate/state`（拒绝时显示原因），便于定位真实摔倒未确认卡在哪一步；诊断字符串构建 Qt-free 可测。 | DONE |
| T-209 | 放宽俯视场景摔倒判定灵敏度（可配置） | T-208 | 判定灵敏度参数化：`require_rapid_drop`(默认关)、`require_lower_body`(默认关)、`horizontal_angle_threshold_degrees`(默认放宽)；默认下持续水平即可进入疑似，仅靠确认窗防误报；参数进 config 与 config_version，逻辑可测。 | DOING |
| T-209 | 放宽俯视场景摔倒判定灵敏度（可配置） | T-208 | 判定灵敏度参数化：`require_rapid_drop`(默认关)、`require_lower_body`(默认关)、`horizontal_angle_threshold_degrees`(默认放宽)；默认下持续水平即可进入疑似，仅靠确认窗防误报；参数进 config 与 config_version，逻辑可测。 | DONE |
## Phase 3 · Go V2 迁移门槛与实现