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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Vydané v:	Pattern recognition Ročník 171; s. 112192
Hlavní autori:	Luo, HuiLan, Wan, SiQi, Cai, Xia, Wang, ChanJuan, Chen, HongKun
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Elsevier Ltd 01.03.2026
Predmet:	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
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