1. From Edges to Objects Piotr Dollár and Larry Zitnick

2. structured edge prediction [Dollár & Zitnick, ICCV13, arXiv14] from edges to objects [Zitnick & Dollár, ECCV14] outline

3. what defines an edge? Brightness Color Texture Parallelism Continuity Symmetry …

4. upgrading the output space { 0, 1 } { … } bits 1 256 8 year CVPR06 ICCV13 CVPR13

5. random forests

6. structured forests

7. structured prediction

8. pixel prediction

9. sharpening

10. sharpened prediction

11. structured sharpened pixel  original image

12. SH = sharpen MS = multiscale gPb ODS=.73 gPb ODS=.73 FPS ≈ 1/240 Hz 2.5Hz SHSH+MS ODS = 0.73 ODS = 0.75 ODS = 0.74 30Hz 12.5Hz

15. structured edge prediction [Dollár & Zitnick, ICCV13, arXiv14] from edges to objects [Zitnick & Dollár, ECCV14] outline

16. sliding window detection

17. segmentation for detection

18. object proposals Random. Prim’s - 2013 Selective Search - 2011 CPMC - 2010 Ojectness - 2010

19. object proposals from ? sliding windows? segments? superpixels? SLIC - 2012SEEDS - 2012

24. from edges to objects

28. thanks! source code available online