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Evaluation of local spatio-temporal features for action recognition
Published on Dec 01, 20098727 Views
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Chapter list
Evaluation of local spatio-temporal features for action recognition00:00
Problem statement00:36
Goal of this work01:16
Outline01:55
Action recognition framework02:14
Detection + description of features02:17
Bag-of-words representation02:55
Feature detectors03:30
Spatio-temporal feature detectors03:35
Harris3D detector03:59
Cuboid detector04:32
Hessian detector05:01
Dense Sampling05:41
Illustration of detectors06:54
Feature descriptors07:45
Spatio-temporal feature descriptors07:57
HOG/HOF descriptor08:18
Cuboid descriptor09:04
HOG3D descriptor09:29
E-SURF descriptor10:17
Experimental results10:40
Dataset: KTH actions10:46
KTH actions – samples11:39
KTH actions – results12:14
Dataset: UCF sports13:10
UCF sports – samples13:51
UCF sports – results14:12
Dataset: Hollywood2 actions14:45
Hollywood2 actions – samples15:29
Hollywood2 actions – results16:00
Conclusion16:21
Do you have questions?18:44