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He Yan

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Proceedings Article | 9 August 2023 Paper

Video description method with fusion of instance-aware temporal features

Junbin Huang, He Yan, Lingkun Liu, Yuhan Liu

Proceedings Volume 12782, 1278206 (2023) https://doi.org/10.1117/12.3000765

KEYWORDS: Video, Video coding, Semantic video, Semantics, Feature fusion, Visualization, Education and training, Feature extraction, Video processing, Data modeling

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There are still challenges in the field of video understanding today, especially how to use natural language to describe the visual content in videos. Existing video encoder-decoder models struggle to extract deep semantic information and effectively understand the complex contextual semantics in a video sequence. Furthermore, different visual elements in the video contribute differently to the generation of video text descriptions. In this paper, we propose a video description method that fuses instance-aware temporal features. We extract local features of instances on the temporal sequence to enhance perception of temporal instances. We also employ spatial attention to perform weighted fusion of temporal features. Finally, we use bidirectional long short-term memory networks to encode the contextual semantic information of the video sequence, thereby helping to generate higher quality descriptive text. Experimental results on two public datasets demonstrate that our method achieves good performance on various evaluation metrics.

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