Poselets: Body Part Detectors trained Using 3D Human Pose Annotations

Lubomir Bourdev & Jitendra Malik

ICCV 2009

Computer Vision GroupUC Berkeley

Object detection by multi-scale scanning

Ask this question repeatedly, varying position, scale, category…

Paradigm introduced by Rowley, Baluja & Kanade 96 for face detection.Viola & Jones 01, Dalal & Triggs 05, Felzenszwalb, McAllester, Ramanan 08

Computer Vision GroupUC Berkeley

Object detection by multi-scale scanning

Ask this question repeatedly, varying position, scale, category…

Paradigm introduced by Rowley, Baluja & Kanade 96 for face detectionViola & Jones 01, Dalal & Triggs 05, Felzenszwalb, McAllester, Ramanan 08

PASCAL VOC 2009 Detection

AP=0.16

Challenges

• Sub-categories

• Aspects

• Occlusion

Addressed by Poselets (Bourdev & Malik, ‘09)

PASCAL VOC 2009 Average Precision 0.432 (the best)

Segmentation Results on PASCAL VOC 2009

(w/ Subhransu Maji)