Unsupervised Learning for Recognition Pietro Perona California Institute of Technology & Universita...
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Transcript of Unsupervised Learning for Recognition Pietro Perona California Institute of Technology & Universita...
Unsupervised detector training - 1
• Highly textured neighborhoods are selected automatically• produces 100-1000 patterns per image
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10
Rear Views of Cars
• 200 Images (100 training, 100 testing)• Only one image per car • High-pass filtered
Preselected Parts
Model Foreground pdf
Sample Detection
Parts in Model
Learned ModelTest Error: 13% (5 Parts)