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》 资源 》论文》V4D:4D CONVOLUTIONAL NEURAL NETWORKS FORV IDEO -LEVEL REPRESENTATIONS LEARNING

V4D:4D CONVOLUTIONAL NEURAL NETWORKS FORV IDEO -LEVEL REPRESENTATIONS LEARNING

2019-12-30 | |  72 |   53 |   0

Abstract

Most existing 3D CNN structures for video representation learning are clip-based methods, and do not consider video-level temporal evolution of spatio-temporal features. In this paper, we propose Video-level 4D Convolutional Neural Networks, namely V4D, to model the evolution of long-range spatio-temporal representation with 4D convolutions, as well as preserving 3D spatio-temporal representations with residual connections. We further introduce the training and inference methods for the proposed V4D. Extensive experiments are conducted on three video recognition benchmarks, where V4D achieves excellent results, surpassing recent 3D CNNs by a large margin.

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