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Multimodal representation learning poses significant challenges in capturing informative and distinct features from multiple modalities. Existing methods often struggle to exploit the unique characteristics of each modality due to unified…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Cam-Van Thi Nguyen , Ngoc-Hoa Thi Nguyen , Duc-Trong Le , Quang-Thuy Ha

Existing top-performance autonomous driving systems typically rely on the multi-modal fusion strategy for reliable scene understanding. This design is however fundamentally restricted due to overlooking the modality-specific strengths and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Zeyu Yang , Nan Song , Wei Li , Xiatian Zhu , Li Zhang , Philip H. S. Torr

Multimodal MRIs play a crucial role in clinical diagnosis and treatment. Feature disentanglement (FD)-based methods, aiming at learning superior feature representations for multimodal data analysis, have achieved significant success in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Tianling Liu , Hongying Liu , Fanhua Shang , Lequan Yu , Tong Han , Liang Wan

Unified Multimodal Generative Models (UMGMs) unify visual understanding and image generation within a single autoregressive framework. However, their ability to continually learn new tasks is severely hindered by catastrophic forgetting,…

Machine Learning · Computer Science 2025-12-04 Xiwen Wei , Mustafa Munir , Radu Marculescu

This paper presents a multimodal framework that attempts to unify visual understanding and generation within a shared discrete semantic representation. At its core is the Text-Aligned Tokenizer (TA-Tok), which converts images into discrete…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Jiaming Han , Hao Chen , Yang Zhao , Hanyu Wang , Qi Zhao , Ziyan Yang , Hao He , Xiangyu Yue , Lu Jiang

Multimodal semantic understanding often has to deal with uncertainty, which means the obtained messages tend to refer to multiple targets. Such uncertainty is problematic for our interpretation, including inter- and intra-modal uncertainty.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Yatai Ji , Junjie Wang , Yuan Gong , Lin Zhang , Yanru Zhu , Hongfa Wang , Jiaxing Zhang , Tetsuya Sakai , Yujiu Yang

Multimodal representation learning has shown promising improvements on various vision-language tasks. Most existing methods excel at building global-level alignment between vision and language while lacking effective fine-grained image-text…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Zijia Zhao , Longteng Guo , Xingjian He , Shuai Shao , Zehuan Yuan , Jing Liu

A label-efficient paradigm in computer vision is based on self-supervised contrastive pre-training on unlabeled data followed by fine-tuning with a small number of labels. Making practical use of a federated computing environment in the…

Machine Learning · Computer Science 2021-09-17 Nanqing Dong , Irina Voiculescu

Image-to-image translation aims to learn the mapping between two visual domains. There are two main challenges for many applications: 1) the lack of aligned training pairs and 2) multiple possible outputs from a single input image. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-08-03 Hsin-Ying Lee , Hung-Yu Tseng , Jia-Bin Huang , Maneesh Kumar Singh , Ming-Hsuan Yang

Training multimodal models requires a large amount of labeled data. Active learning (AL) aim to reduce labeling costs. Most AL methods employ warm-start approaches, which rely on sufficient labeled data to train a well-calibrated model that…

Multimedia · Computer Science 2024-12-13 Meng Shen , Yake Wei , Jianxiong Yin , Deepu Rajan , Di Hu , Simon See

Vision-Language Models (VLMs) such as CLIP learn a shared embedding space for images and text, yet their representations remain geometrically separated, a phenomenon known as the modality gap. This gap limits tasks requiring cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Hongyuan Liu , Qinli Yang , Wen Li , Zhong Zhang , Jiaming Liu , Wei Han , Zhili Qin , Jinxia Guo , Junming Shao

In this paper, we address a fundamental gap between pre-training and fine-tuning of deep neural networks: while pre-training has shifted from unimodal to multimodal learning with enhanced visual understanding, fine-tuning predominantly…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Shohei Enomoto , Shin'ya Yamaguchi

Multimodal learning leverages the integration of diverse data modalities to enhance performance in complex tasks. Yet, it frequently encounters incomplete or redundant modality data in real-world scenarios. This paper presents a…

Machine Learning · Computer Science 2026-05-05 Richeng Zhou , Xuelin Zhang , Liyuan Liu

Multimodal data encountered in real-world scenarios are typically of low quality, with noisy modalities and missing modalities being typical forms that severely hinder model performance and robustness. However, prior works often handle…

Machine Learning · Computer Science 2026-03-04 Sijie Mai , Shiqin Han , Haifeng Hu

Contrastive Language-Image Pre-training (CLIP) excels in multimodal tasks such as image-text retrieval and zero-shot classification but struggles with fine-grained understanding due to its focus on coarse-grained short captions. To address…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Chunyu Xie , Bin Wang , Fanjing Kong , Jincheng Li , Dawei Liang , Gengshen Zhang , Dawei Leng , Yuhui Yin

In this paper, we explore a critical yet under-investigated issue: how to learn robust and well-generalized 3D representation from pre-trained vision language models such as CLIP. Previous works have demonstrated that cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Shuqing Luo , Bowen Qu , Wei Gao

Converting different modalities into generalized text, which then serves as input prompts for large language models (LLMs), is a common approach for aligning multimodal models, particularly when pairwise data is limited. Text-centric…

Machine Learning · Computer Science 2024-08-20 Yun-Da Tsai , Ting-Yu Yen , Keng-Te Liao , Shou-De Lin

The exponential growth of Large Multimodal Models (LMMs) has driven advancements in cross-modal reasoning but at significant computational costs. In this work, we focus on visual language models. We highlight the redundancy and inefficiency…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yasmine Omri , Parth Shroff , Thierry Tambe

Autoencoders have been widely used for dimensional reduction and feature extraction. Various types of autoencoders have been proposed by introducing regularization terms. Most of these regularizations improve representation learning by…

Machine Learning · Computer Science 2020-06-26 Yuzhu Guo , Kang Pan , Simeng Li , Zongchang Han , Kexin Wang , Li Li

Simultaneously using multimodal inputs from multiple sensors to train segmentors is intuitively advantageous but practically challenging. A key challenge is unimodal bias, where multimodal segmentors over rely on certain modalities, causing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Xu Zheng , Haiwei Xue , Jialei Chen , Yibo Yan , Lutao Jiang , Yuanhuiyi Lyu , Kailun Yang , Linfeng Zhang , Xuming Hu