Retrieval-Guided and Semantically Grounded Image Captioning for Open-Domain Scenes

Recent image captioning methods based on pre-trained vision–language models can generate fluent and coherent descriptions, yet they still struggle in open-domain scenes that contain long-tail concepts, uncommon object combinations, and ambiguous visual evidence. Two limitations are especially import...

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Bibliographic Details

Published in:	Mathematics
Main Authors:	Shanshan Lin, Xiaoxuan Xie, Zexian Yang, Chao Chen
Format:	Article
Language:	English
Published:	MDPI AG 2026-05-01
Subjects:	image captioning open-domain captioning retrieval augmentation visual prompting semantic grounding vision–language models
Online Access:	https://www.mdpi.com/2227-7390/14/10/1667