Dual-hierarchical knowledge distillation for video captioning

•Introduce a dual-hierarchical distillation framework for video captioning.•Propose a caption quality grading method to reduce annotation noise.•Distill semantic features into a lightweight student model for efficiency.•Improve captioning accuracy while lowering computational cost.•Outperform prior...

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Bibliographic Details

Published in:	Pattern recognition Vol. 171; p. 112192
Main Authors:	Luo, HuiLan, Wan, SiQi, Cai, Xia, Wang, ChanJuan, Chen, HongKun
Format:	Journal Article
Language:	English
Published:	Elsevier Ltd 01.03.2026
Subjects:	Encoder-decoder architecture Hierarchical semantic representation Knowledge distillation Teacher-student network Video captioning Video captioning Encoder-decoder architecture Knowledge distillation Teacher-student network Hierarchical semantic representation
ISSN:	0031-3203
Online Access:	Get full text
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