Mentor: Salman Khokhar

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Presentation transcript:

Mentor: Salman Khokhar Action Recognition in Crowds Week 3 Mentor: Salman Khokhar

Feature Extractions and Codebook SVM Training Input Video Feature Extractions and Codebook Histograms Annotations Scores Software Used: LibSVM & Matlab

Color Codes Yellow = missed detection Green = false positive Blue = correct detection Red fill = confidence level No fill = not the action

Action recognition (33 Frames)

Precision-recall and ROC curve (11 annotations) 46.2% 56.6%

Action recognition (33 Frames)

Precision-recall and ROC curve (30 annotations) 58.3% 31.2%

Action recognition (20 Frames)

Precision-recall and ROC curve (21 annotations) 30% 72%

Next Week… Continue SVM training Improve current action recognition algorithm Train across multiple videos instead of just one