Fast Face Detection with Precise Pose Estimation Presented by Mohamed Aly and Jonathan Lee EE148...
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Transcript of Fast Face Detection with Precise Pose Estimation Presented by Mohamed Aly and Jonathan Lee EE148...
Fast Face Detection with Precise Pose Estimation
Presented by Mohamed Aly and Jonathan Lee
EE148 June 1, 2006
Algorithm
Pose discretization (x, y, scale, tilt)
Course to fine tests Edge/flat detectors Pose estimation
Algorithm
Sample result [Fleuret and Geman]:
Training
Iterative Zero false positives
Training
Generate images
…ORL database, normalized
Detection
32x32 and 64x64 windows
32x32
Detection
Search tree for each 8x8 block
…
Detection
Aggregate poses
Results
Reported (C++) 92% detection 50% false alarms 0.48s runtime
Experimental (Matlab) ~70% detection 50% false alarms 1-10 minute runtime
Results
0 0.2 0.4 0.6 0.8 10
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
false alarm rate
dete
ctio
n ra
teROC curve
Improvements
Runtime: Matlab vs.C++ Image quality / normalization Better features Aggregation threshold