Add localized motion / activity detection (absdiff)#357
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Up to standards ✅🟢 Issues
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| Metric | Results |
|---|---|
| Complexity | 20 |
| Duplication | 0 |
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Three near-neighbours, all distinct:
wait_until_screen_stableis a boolean poll loop;ssim_changed_regionsis structural (illumination-tolerant, ignores fast pixel motion);diff_screenshotsisn't framed as activity blobs + score. This is the cheap absdiff path: which sub-regions are moving between two frames.changed_regions(AC_changed_regions): threshold the per-pixel difference, denoise (blur), dilate, return moved-region boxes ({x,y,width,height,area,center}, largest first, >=min_area).has_motion(AC_has_motion): boolean +activity_score(fraction of pixels moved).ValueError); reusesvisual_match._to_gray+cv2_utils.blobs.connected_boxes(no copies);afterdefaults to a live screen grab in the executor. Headless-testable on synthetic frames. Wired through all 5 layers + headless test + EN/Zh docs + WHATS_NEW. Qt-free.