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In this work, we propose GLOV, which enables Large Language Models (LLMs) to act as implicit optimizers for Vision-Language Models (VLMs) to enhance downstream vision tasks. GLOV prompts an LLM with the downstream task description, querying…

Multimodal Large Language Models (MLLMs) show strong visual perception, yet remain limited in reasoning about space under changing viewpoints. We study this challenge as Perspective-Conditioned Spatial Reasoning (PCSR) in 360-degree…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Yuangong Chen , Wai Keung Wong , Jiaxing Li , Ioannis Patras , Xu Zheng

Visual grounding (VG) is the capability to identify the specific regions in an image associated with a particular text description. In medical imaging, VG enhances interpretability by highlighting relevant pathological features…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Ta Duc Huy , Duy Anh Huynh , Yutong Xie , Yuankai Qi , Qi Chen , Phi Le Nguyen , Sen Kim Tran , Son Lam Phung , Anton van den Hengel , Zhibin Liao , Minh-Son To , Johan W. Verjans , Vu Minh Hieu Phan

Vision-language models (VLMs), such as CLIP, have demonstrated exceptional generalization capabilities and can quickly adapt to downstream tasks through prompt fine-tuning. Unfortunately, in classification tasks involving non-training…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Song-Lin Lv , Yu-Yang Chen , Zhi Zhou , Yu-Feng Li , Lan-Zhe Guo

Prompt learning is an effective method to customize Vision-Language Models (VLMs) for various downstream tasks, involving tuning very few parameters of input prompt tokens. Recently, prompt pretraining in large-scale dataset (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Zhenyuan Chen , Lingfeng Yang , Shuo Chen , Zhaowei Chen , Jiajun Liang , Xiang Li

In recent years, considerable research has been conducted on vision-language models that handle both image and text data; these models are being applied to diverse downstream tasks, such as "image-related chat," "image recognition by…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Kosuke Sakurai , Tatsuya Ishii , Ryotaro Shimizu , Linxin Song , Masayuki Goto

Visual document retrieval aims to retrieve a set of document pages relevant to a query from visually rich collections. Existing methods often employ Vision-Language Models (VLMs) to encode queries and visual pages into a shared embedding…

Information Retrieval · Computer Science 2026-04-10 Hao Yang , Yifan Ji , Zhipeng Xu , Zhenghao Liu , Yukun Yan , Zulong Chen , Shuo Wang , Yu Gu , Ge Yu

We focus on domain and class generalization problems in analyzing optical remote sensing images, using the large-scale pre-trained vision-language model (VLM), CLIP. While contrastively trained VLMs show impressive zero-shot generalization…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Avigyan Bhattacharya , Mainak Singha , Ankit Jha , Biplab Banerjee

Visual Commonsense Reasoning (VCR) calls for explanatory reasoning behind question answering over visual scenes. To achieve this goal, a model is required to provide an acceptable rationale as the reason for the predicted answers. Progress…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Zhenyang Li , Yangyang Guo , Kejie Wang , Xiaolin Chen , Liqiang Nie , Mohan Kankanhalli

Contrastive Language-Image Pre-training (CLIP) has demonstrated outstanding performance in global image understanding and zero-shot transfer through large-scale text-image alignment. However, the core of medical image analysis often lies in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Jiahui Peng , He Yao , Jingwen Li , Yanzhou Su , Sibo Ju , Yujie Lu , Jin Ye , Hongchun Lu , Xue Li , Lincheng Jiang , Min Zhu , Junlong Cheng

Scene Graph Generation (SGG) provides basic language representation of visual scenes, requiring models to grasp complex and diverse semantics between objects. This complexity and diversity in SGG leads to underrepresentation, where parts of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Yuxuan Wang , Xiaoyuan Liu

Self-supervised contrastive learning (SSCL) has achieved significant milestones in remote sensing image (RSI) understanding. Its essence lies in designing an unsupervised instance discrimination pretext task to extract image features from a…

Machine Learning · Computer Science 2023-11-29 Zhaoyang Zhang , Zhen Ren , Chao Tao , Yunsheng Zhang , Chengli Peng , Haifeng Li

Automated radiology report drafting (ARRD) using vision-language models (VLMs) has advanced rapidly, yet most systems lack explicit uncertainty estimates, limiting trust and safe clinical deployment. We propose CONRep, a model-agnostic…

The vision-language navigation (VLN) task requires an agent to reach a target with the guidance of natural language instruction. Previous works learn to navigate step-by-step following an instruction. However, these works may fail to…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Xiwen Liang , Fengda Zhu , Yi Zhu , Bingqian Lin , Bing Wang , Xiaodan Liang

In this paper, we explore the potential of Vision-Language Models (VLMs), specifically CLIP, in predicting visual object relationships, which involves interpreting visual features from images into language-based relations. Current…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Rakshith Subramanyam , T. S. Jayram , Rushil Anirudh , Jayaraman J. Thiagarajan

Multi-modal Contrastive Representation learning aims to encode different modalities into a semantically aligned shared space. This paradigm shows remarkable generalization ability on numerous downstream tasks across various modalities.…

Machine Learning · Computer Science 2023-10-20 Zehan Wang , Yang Zhao , Xize Cheng , Haifeng Huang , Jiageng Liu , Li Tang , Linjun Li , Yongqi Wang , Aoxiong Yin , Ziang Zhang , Zhou Zhao

Inspired by the success of vision-language methods (VLMs) in zero-shot classification, recent works attempt to extend this line of work into object detection by leveraging the localization ability of pre-trained VLMs and generating pseudo…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Yanxin Long , Jianhua Han , Runhui Huang , Xu Hang , Yi Zhu , Chunjing Xu , Xiaodan Liang

Large Vision-Language Models (LVLMs) have made substantial progress by integrating pre-trained large language models (LLMs) and vision models through instruction tuning. Despite these advancements, LVLMs often exhibit the hallucination…

Machine Learning · Computer Science 2024-11-05 Yiyang Zhou , Zhiyuan Fan , Dongjie Cheng , Sihan Yang , Zhaorun Chen , Chenhang Cui , Xiyao Wang , Yun Li , Linjun Zhang , Huaxiu Yao

Recent studies have shown that Large Vision-Language Models (VLMs) tend to neglect image content and over-rely on language-model priors, resulting in errors in visually grounded tasks and hallucinations. We hypothesize that this issue…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Shengguang Wu , Fan-Yun Sun , Kaiyue Wen , Nick Haber

Vision-language models typically reason over post-ISP RGB images, although RGB rendering can clip, suppress, or quantize sensor evidence before inference. We study whether grounding improves when the visual interface is moved closer to the…

Artificial Intelligence · Computer Science 2026-05-13 Kepeng Xu , Li Xu , Gang He , Wenxin Yu