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Object recognition systems are usually trained and evaluated on high resolution images. However, in real world applications, it is common that the images have low resolutions or have small sizes. In this study, we first track the…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Amir Ghasemi , Nasrin Bayat , Fatemeh Mottaghian , Akram Bayat

The emergence of Multimodal Large Language Models (MLLMs) has revolutionized image understanding by bridging textual and visual modalities. However, these models often struggle with capturing fine-grained semantic information, such as the…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Jie Yang , Wang Zeng , Sheng Jin , Lumin Xu , Wentao Liu , Chen Qian , Zhen Li , Ruimao Zhang

Group Relative Policy Optimization (GRPO) has emerged as the de facto Reinforcement Learning (RL) objective driving recent advancements in Multimodal Large Language Models. However, extending this success to open-source multimodal…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Wenbo Hu , Xin Chen , Yan Gao-Tian , Yihe Deng , Nanyun Peng , Kai-Wei Chang

Large Language Models (LLMs) and Vision-Language Large Models (LVLMs) have achieved remarkable progress in natural language processing and multimodal understanding. Despite their impressive generalization capabilities, current LVLMs often…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Leilei Guo , Antonio Carlos Rivera , Peiyu Tang , Haoxuan Ren , Zheyu Song

In this work, we address the challenging task of referring segmentation. The query expression in referring segmentation typically indicates the target object by describing its relationship with others. Therefore, to find the target one…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Henghui Ding , Chang Liu , Suchen Wang , Xudong Jiang

When captioning an image, people describe objects in diverse ways, such as by using different terms and/or including details that are perceptually noteworthy to them. Descriptions can be especially unique across languages and cultures.…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Kyle Buettner , Jacob T. Emmerson , Adriana Kovashka

Large language models (LLMs) increasingly rely on long-context modeling for tasks such as document understanding, code analysis, and multi-step reasoning. However, scaling context windows to the million-token level brings prohibitive…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Jiale Cheng , Yusen Liu , Xinyu Zhang , Yulin Fei , Wenyi Hong , Ruiliang Lyu , Weihan Wang , Zhe Su , Xiaotao Gu , Xiao Liu , Yushi Bai , Jie Tang , Hongning Wang , Minlie Huang

Fine-grained image-text alignment is a pivotal challenge in multimodal learning, underpinning key applications such as visual question answering, image captioning, and vision-language navigation. Unlike global alignment, fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Jiale Liu , Haoming Zhou , Yishu Liu , Bingzhi Chen , Yuncheng Jiang

The rapid success of Vision Large Language Models (VLLMs) often depends on the high-resolution images with abundant visual tokens, which hinders training and deployment efficiency. Current training-free visual token compression methods…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Jianjian Li , Junquan Fan , Feng Tang , Gang Huang , Shitao Zhu , Songlin Liu , Nian Xie , Wulong Liu , Yong Liao

Understanding high-resolution (HR) images remains a critical challenge for multimodal large language models (MLLMs). Recent approaches leverage vision-based retrieval-augmented generation (RAG) to retrieve query-relevant crops from HR…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Fan Yang , Xingping Dong , Xin Yu , Wenhan Luo , Wei Liu , Kaihao Zhang

Recent generalist vision-language models (VLMs) have demonstrated impressive reasoning capabilities across diverse multimodal tasks. However, these models still struggle with fine-grained object-level understanding and grounding. In terms…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Timothy Ossowski , Junjie Hu

Although multimodal large language models (MLLMs) excel in high-level vision-language reasoning, they lack inherent awareness of visual saliency, making it difficult to identify key visual elements. To bridge this gap, we propose…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Long Li , Shuichen Ji , Ziyang Luo , Zhihui Li , Dingwen Zhang , Junwei Han , Nian Liu

Multimodal large language models (MLLMs) that think with images can interactively use tools to reason about visual inputs, but current approaches often rely on a narrow set of tools with limited real-world necessity and scalability. In this…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Zirun Guo , Minjie Hong , Feng Zhang , Kai Jia , Tao Jin

Diffusion-based generative models have significantly advanced text-to-image generation but encounter challenges when processing lengthy and intricate text prompts describing complex scenes with multiple objects. While excelling in…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Hanan Gani , Shariq Farooq Bhat , Muzammal Naseer , Salman Khan , Peter Wonka

Current multi-modal models exhibit a notable misalignment with the human visual system when identifying objects that are visually assimilated into the background. Our observations reveal that these multi-modal models cannot distinguish…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Ruolin Shen , Xiaozhong Ji , Kai WU , Jiangning Zhang , Yijun He , HaiHua Yang , Xiaobin Hu , Xiaoyu Sun

Contrastive decoding strategies are widely used to mitigate object hallucinations in multimodal large language models (MLLMs). By reducing over-reliance on language priors, these strategies ensure that generated content remains closely…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Hao Yin , Guangzong Si , Zilei Wang

Visual dialog is a vision-language task where an agent needs to answer a series of questions grounded in an image based on the understanding of the dialog history and the image. The occurrences of coreference relations in the dialog makes…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Mingxiao Li , Marie-Francine Moens

Vision-Language Tracking aims to continuously localize objects described by a visual template and a language description. Existing methods, however, are typically limited to local search, making them prone to failures under viewpoint…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Jingchao Wang , Kaiwen Zhou , Zhijian Wu , Kunhua Ji , Dingjiang Huang , Yefeng Zheng

Current perception models have achieved remarkable success by leveraging large-scale labeled datasets, but still face challenges in open-world environments with novel objects. To address this limitation, researchers introduce open-set…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Zhiwei Lin , Yongtao Wang

In this work, we introduce Mini-Gemini, a simple and effective framework enhancing multi-modality Vision Language Models (VLMs). Despite the advancements in VLMs facilitating basic visual dialog and reasoning, a performance gap persists…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Yanwei Li , Yuechen Zhang , Chengyao Wang , Zhisheng Zhong , Yixin Chen , Ruihang Chu , Shaoteng Liu , Jiaya Jia