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Vision-Language Models (VLMs) have demonstrated strong capabilities in multimodal understanding and generation tasks. However, their application to long video understanding remains hindered by the quadratic complexity of standard attention…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Letian Kang , Shixian Luo , Yiqiang Li , Yuxin Yin , Shenxuan Zhou , Xiaoyang Yu , Jin Yang , Yong Wu

Vision-Language-Action (VLA) models inherit strong priors from pretrained Vision-Language Models (VLMs), but naive fine-tuning often disrupts these representations and harms generalization. Existing fixes -- freezing modules or applying…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Chengyue Huang , Mellon M. Zhang , Robert Azarcon , Glen Chou , Zsolt Kira

Spatial reasoning remains a fundamental challenge for Vision-Language Models (VLMs), with current approaches struggling to achieve robust performance despite recent advances. We identify that this limitation stems from a critical gap:…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Hongxing Li , Dingming Li , Zixuan Wang , Yuchen Yan , Hang Wu , Wenqi Zhang , Yongliang Shen , Weiming Lu , Jun Xiao , Yueting Zhuang

Foundation Vision-Language Models (VLMs) trained using large-scale open-domain images and text pairs have recently been adapted to develop Vision-Language Segmentation Models (VLSMs) that allow providing text prompts during inference to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Manish Dhakal , Rabin Adhikari , Safal Thapaliya , Bishesh Khanal

Despite interpretability work analyzing VIT encoders and transformer activations, we don't yet understand why Multimodal Language Models (MLMs) struggle on perception-heavy tasks. We offer an under-studied perspective by examining how…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Benlin Liu , Amita Kamath , Madeleine Grunde-McLaughlin , Winson Han , Ranjay Krishna

Although current Video-LLMs achieve impressive performance in video understanding tasks, their autoregressive decoding efficiency remains constrained by the massive number of video tokens. Visual token pruning can partially ease this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Quan Kong , Yuhao Shen , Yicheng Ji , Huan Li , Cong Wang

While 3D visual self-supervised learning (vSSL) shows promising results in capturing visual representations, it overlooks the clinical knowledge from radiology reports. Meanwhile, 3D medical vision-language pre-training (MedVLP) remains…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Che Liu , Cheng Ouyang , Yinda Chen , Cesar César Quilodrán-Casas , Lei Ma , Jie Fu , Yike Guo , Anand Shah , Wenjia Bai , Rossella Arcucci

Multi-modal Large Language Models (MLLMs) excel in vision-language tasks but remain vulnerable to visual adversarial perturbations that can induce hallucinations, manipulate responses, or bypass safety mechanisms. Existing methods seek to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Hashmat Shadab Malik , Fahad Shamshad , Muzammal Naseer , Karthik Nandakumar , Fahad Khan , Salman Khan

Recent breakthroughs in vision-language models (VLMs) start a new page in the vision community. The VLMs provide stronger and more generalizable feature embeddings compared to those from ImageNet-pretrained models, thanks to the training on…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Jieneng Chen , Qihang Yu , Xiaohui Shen , Alan Yuille , Liang-Chieh Chen

Contrastive learning has emerged as a promising paradigm for 3D open-world understanding, i.e., aligning point cloud representation to image and text embedding space individually. In this paper, we introduce MixCon3D, a simple yet effective…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Yipeng Gao , Zeyu Wang , Wei-Shi Zheng , Cihang Xie , Yuyin Zhou

We present Fast Language-Image Pre-training (FLIP), a simple and more efficient method for training CLIP. Our method randomly masks out and removes a large portion of image patches during training. Masking allows us to learn from more…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Yanghao Li , Haoqi Fan , Ronghang Hu , Christoph Feichtenhofer , Kaiming He

Video quality assessment (VQA) is a challenging research topic with broad applications. Traditional hand-crafted and discriminative learning-based VQA models mainly focus on pixel-level distortions and lack contextual understanding, while…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Wen Wen , Yaohong Wu , Yue Sheng , Neil Birkbeck , Balu Adsumilli , Yilin Wang

Contrastive Language-Image Pre-training (CLIP) has been a celebrated method for training vision encoders to generate image/text representations facilitating various applications. Recently, CLIP has been widely adopted as the vision backbone…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Hong-You Chen , Zhengfeng Lai , Haotian Zhang , Xinze Wang , Marcin Eichner , Keen You , Meng Cao , Bowen Zhang , Yinfei Yang , Zhe Gan

Large Vision-Language Models (VLMs) excel at general visual reasoning tasks but exhibit sharp performance degradation when applied to novel domains with substantial distribution shifts from pretraining data. Existing domain adaptation…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Dominick Reilly , Manish Kumar Govind , Le Xue , Srijan Das

This paper introduces Chain-of-Sight, a vision-language bridge module that accelerates the pre-training of Multimodal Large Language Models (MLLMs). Our approach employs a sequence of visual resamplers that capture visual details at various…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Ziyuan Huang , Kaixiang Ji , Biao Gong , Zhiwu Qing , Qinglong Zhang , Kecheng Zheng , Jian Wang , Jingdong Chen , Ming Yang

Large Vision-Language Models (LVLMs) have recently demonstrated strong multimodal understanding, yet their fine-grained visual perception is often constrained by low input resolutions. A common remedy is to partition high-resolution images…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Yuxuan Liang , Xu Li , Xiaolei Chen , Yi Zheng , Haotian Chen , Bin Li , Xiangyang Xue

In large vision-language models, visual tokens typically constitute the majority of input tokens, leading to substantial computational overhead. To address this, recent studies have explored pruning redundant or less informative visual…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Sangin Lee , Yukyung Choi

With the advent of LLMs and variants, a flurry of research has emerged, analyzing the performance of such models across an array of tasks. While most studies focus on evaluating the capabilities of state-of-the-art (SoTA) Vision Language…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Shih-Han Chou , Shivam Chandhok , James J. Little , Leonid Sigal

As data requirements continue to grow, efficient learning increasingly depends on the curation and distillation of high-value data rather than brute-force scaling of model sizes. In the case of a hyperspectral image (HSI), the challenge is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Abhiroop Chatterjee , Susmita Ghosh

To utilize visual information, Multimodal Large Language Model (MLLM) relies on the perception process of its vision encoder. The completeness and accuracy of visual perception significantly influence the precision of spatial reasoning,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Runpeng Yu , Xinyin Ma , Xinchao Wang