Mr. Pei Dong Profile

Pei Dong

at Ocean Univ of Qingdao

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Proceedings Article | 10 April 2018 Paper

Multi-dimension feature fusion for action recognition

Pei Dong, Jie Li, Junyu Dong, Lin Qi

Proceedings Volume 10615, 106151C (2018) https://doi.org/10.1117/12.2302485

KEYWORDS: RGB color model, Video, Optical flow, Image fusion, Neural networks, Motion models, Video surveillance, Image segmentation, 3D modeling, Data modeling

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Typical human actions last several seconds and exhibit characteristic spatio-temporal structure. The challenge for action recognition is to capture and fuse the multi-dimension information in video data. In order to take into account these characteristics simultaneously, we present a novel method that fuses multiple dimensional features, such as chromatic images, depth and optical flow fields. We built our model based on the multi-stream deep convolutional networks with the help of temporal segment networks and extract discriminative spatial and temporal features by fusing ConvNets towers multi-dimension, in which different feature weights are assigned in order to take full advantage of this multi-dimension information. Our architecture is trained and evaluated on the currently largest and most challenging benchmark NTU RGB-D dataset. The experiments demonstrate that the performance of our method outperforms the state-of-the-art methods.

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