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Multimodal pathological images are usually in clinical diagnosis, but computer vision-based multimodal image-assisted diagnosis faces challenges with modality fusion, especially in the absence of expert-annotated data. To achieve the…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Qinghua Lin , Guang-Hai Liu , Zuoyong Li , Yang Li , Yuting Jiang , Xiang Wu

Self-supervised learning is an efficient pre-training method for medical image analysis. However, current research is mostly confined to specific-modality data pre-training, consuming considerable time and resources without achieving…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Yiwen Ye , Yutong Xie , Jianpeng Zhang , Ziyang Chen , Qi Wu , Yong Xia

Multi-modality imaging is widely used in clinical practice and biomedical research to gain a comprehensive understanding of an imaging subject. Currently, multi-modality imaging is accomplished by post hoc fusion of independently…

图像与视频处理 · 电气工程与系统科学 2024-10-01 Lingting Zhu , Yizheng Chen , Lianli Liu , Lei Xing , Lequan Yu

Learning representations for individual instances when only bag-level labels are available is a fundamental challenge in multiple instance learning (MIL). Recent works have shown promising results using contrastive self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Kangning Liu , Weicheng Zhu , Yiqiu Shen , Sheng Liu , Narges Razavian , Krzysztof J. Geras , Carlos Fernandez-Granda

In medical healthcare, obtaining detailed annotations is challenging, highlighting the need for robust Vision-Language Models (VLMs). Pretrained VLMs enable fine-tuning on small datasets or zero-shot inference, achieving performance…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Phuc Pham , Nhu Pham , Ngoc Quoc Ly

The Inverse Reinforcement Learning (\textit{IRL}) problem has seen rapid evolution in the past few years, with important applications in domains like robotics, cognition, and health. In this work, we explore the inefficacy of current IRL…

机器学习 · 计算机科学 2022-09-28 Raeid Saqur

Multi-Class Incremental Learning (MCIL) aims to learn new concepts by incrementally updating a model trained on previous concepts. However, there is an inherent trade-off to effectively learning new concepts without catastrophic forgetting…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Yaoyao Liu , Yuting Su , An-An Liu , Bernt Schiele , Qianru Sun

The scarcity of annotated data has sparked significant interest in unsupervised pre-training methods that leverage medical reports as auxiliary signals for medical visual representation learning. However, existing research overlooks the…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Zhe Li , Laurence T. Yang , Bocheng Ren , Xin Nie , Zhangyang Gao , Cheng Tan , Stan Z. Li

While Large Language Models (LLMs) are emerging as a promising direction in computational pathology, the substantial computational cost of giga-pixel Whole Slide Images (WSIs) necessitates the use of Multi-Instance Learning (MIL) to enable…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Zhenfeng Zhuang , Fangyu Zhou , Liansheng Wang

Automated radiology report generation offers an effective solution to alleviate radiologists' workload. However, most existing methods focus primarily on single or fixed-view images to model current disease conditions, which limits…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Kang Liu , Zhuoqi Ma , Xiaolu Kang , Yunan Li , Kun Xie , Zhicheng Jiao , Qiguang Miao

Vision-Language Models (VLMs) frequently suffer from visual perception errors and hallucinations that compromise answer accuracy in complex reasoning tasks. Reinforcement Learning with Verifiable Rewards (RLVR) offers a promising solution…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Yin Zhang , Jiaxuan Zhao , Zonghan Wu , Zengxiang Li , Junfeng Fang , Kun Wang , Qingsong Wen , Yilei Shao

CLIP and BiomedCLIP are examples of vision-language foundation models and offer strong cross-modal embeddings; however, they are not optimized for fine-grained medical retrieval tasks, such as retrieving clinically relevant radiology…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Zhaohui Liang , Sivaramakrishnan Rajaraman , Niccolo Marini , Zhiyun Xue , Sameer Antani

In the field of multi-task reinforcement learning, the modular principle, which involves specializing functionalities into different modules and combining them appropriately, has been widely adopted as a promising approach to prevent the…

机器学习 · 计算机科学 2023-11-03 Siming Lan , Rui Zhang , Qi Yi , Jiaming Guo , Shaohui Peng , Yunkai Gao , Fan Wu , Ruizhi Chen , Zidong Du , Xing Hu , Xishan Zhang , Ling Li , Yunji Chen

Low-rank adaptation (LoRA) is a popular method for fine-tuning large-scale pre-trained models in downstream tasks by learning low-rank incremental matrices. Though LoRA and its variants effectively reduce the number of trainable parameters…

机器学习 · 计算机科学 2024-03-21 Rushi Qiang , Ruiyi Zhang , Pengtao Xie

Medical report generation task, which targets to produce long and coherent descriptions of medical images, has attracted growing research interests recently. Different from the general image captioning tasks, medical report generation is…

计算与语言 · 计算机科学 2023-04-12 Fenglin Liu , Shen Ge , Yuexian Zou , Xian Wu

Vision-language models pre-trained on large scale of unlabeled biomedical images and associated reports learn generalizable semantic representations. These multi-modal representations can benefit various downstream tasks in the biomedical…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Xinliu Zhong , Kayhan Batmanghelich , Li Sun

Liver cancer is one of the most common cancers worldwide. Due to inconspicuous texture changes of liver tumor, contrast-enhanced computed tomography (CT) imaging is effective for the diagnosis of liver cancer. In this paper, we focus on…

图像与视频处理 · 电气工程与系统科学 2021-07-22 Yao Zhang , Jiawei Yang , Jiang Tian , Zhongchao Shi , Cheng Zhong , Yang Zhang , Zhiqiang He

Numerous studies have shown that multimodal LLMs process speech and images well but fail in non-intuitive ways rendering trivial tasks such as object counting unreliable. We investigate this behavior from an information-theoretic…

计算与语言 · 计算机科学 2026-03-09 Jayadev Billa

Recent advances in multimodal reward modeling have been largely driven by a paradigm shift from discriminative to generative approaches. Building on this progress, recent studies have further employed reinforcement learning from verifiable…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Chenglong Wang , Yifu Huo , Yang Gan , Qiaozhi He , Qi Meng , Bei Li , Yan Wang , Junfu Liu , Tianhua Zhou , Jingbo Zhu , Tong Xiao

We present a collaborative learning method called Mutual Contrastive Learning (MCL) for general visual representation learning. The core idea of MCL is to perform mutual interaction and transfer of contrastive distributions among a cohort…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Chuanguang Yang , Zhulin An , Linhang Cai , Yongjun Xu