Abstract
ABSTRACTThis paper introduces an efficient video representation method based on the dense trajectory motion map (DTM). We utilize the salient features of dense trajectories and motion descriptor to integrate the discriminative information of a video into a map. Firstly, we extract the dense trajectories features by using dense optical flow then multiple descriptors are computed along trajectories to capture appearance and motion information. This result is then integrated into frames difference to integrate entire discriminative information and motion energy to get our first motion map. For the final DTM each generated motion map will be integrated with the absolute frame difference of next two frames till the end of entire video. Finally, we process the resultant DTM by exploring the efficient long-term recurrent convolutional network module for encoding and action label generation. The developed approach is shown better and had comparable recognition results over the existing methods when applied to the publically available human action datasets.
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More From: International Journal of Computers and Applications
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