MCA: Modality Composition Awareness for Robust Composed Multimodal Retrieval

Fuente: arXiv
Guardado en:
Detalles Bibliográficos
Autores principales: Wu, Qiyu, Cui, Shuyang, Hayakawa, Satoshi, Wang, Wei-Yao, Wakaki, Hiromi, Mitsufuji, Yuki
Formato: Preprint
Publicado: 2025
Materias:
Acceso en línea:
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
_version_ 1866908599517708288
author Wu, Qiyu
Cui, Shuyang
Hayakawa, Satoshi
Wang, Wei-Yao
Wakaki, Hiromi
Mitsufuji, Yuki
author_facet Wu, Qiyu
Cui, Shuyang
Hayakawa, Satoshi
Wang, Wei-Yao
Wakaki, Hiromi
Mitsufuji, Yuki
contents Multimodal retrieval, which seeks to retrieve relevant content across modalities such as text or image, supports applications from AI search to contents production. Despite the success of separate-encoder approaches like CLIP align modality-specific embeddings with contrastive learning, recent multimodal large language models (MLLMs) enable a unified encoder that directly processes composed inputs. While flexible and advanced, we identify that unified encoders trained with conventional contrastive learning are prone to learn modality shortcut, leading to poor robustness under distribution shifts. We propose a modality composition awareness framework to mitigate this issue. Concretely, a preference loss enforces multimodal embeddings to outperform their unimodal counterparts, while a composition regularization objective aligns multimodal embeddings with prototypes composed from its unimodal parts. These objectives explicitly model structural relationships between the composed representation and its unimodal counterparts. Experiments on various benchmarks show gains in out-of-distribution retrieval, highlighting modality composition awareness as a effective principle for robust composed multimodal retrieval when utilizing MLLMs as the unified encoder.
format Preprint
id arxiv_https___arxiv_org_abs_2510_15543
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle MCA: Modality Composition Awareness for Robust Composed Multimodal Retrieval
Wu, Qiyu
Cui, Shuyang
Hayakawa, Satoshi
Wang, Wei-Yao
Wakaki, Hiromi
Mitsufuji, Yuki
Computation and Language
Artificial Intelligence
Information Retrieval
Multimedia
Multimodal retrieval, which seeks to retrieve relevant content across modalities such as text or image, supports applications from AI search to contents production. Despite the success of separate-encoder approaches like CLIP align modality-specific embeddings with contrastive learning, recent multimodal large language models (MLLMs) enable a unified encoder that directly processes composed inputs. While flexible and advanced, we identify that unified encoders trained with conventional contrastive learning are prone to learn modality shortcut, leading to poor robustness under distribution shifts. We propose a modality composition awareness framework to mitigate this issue. Concretely, a preference loss enforces multimodal embeddings to outperform their unimodal counterparts, while a composition regularization objective aligns multimodal embeddings with prototypes composed from its unimodal parts. These objectives explicitly model structural relationships between the composed representation and its unimodal counterparts. Experiments on various benchmarks show gains in out-of-distribution retrieval, highlighting modality composition awareness as a effective principle for robust composed multimodal retrieval when utilizing MLLMs as the unified encoder.
title MCA: Modality Composition Awareness for Robust Composed Multimodal Retrieval
topic Computation and Language
Artificial Intelligence
Information Retrieval
Multimedia
url https://arxiv.org/abs/2510.15543