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Pre-training on image-text colonoscopy records offers substantial potential for improving endoscopic image analysis, but faces challenges including non-informative background images, complex medical terminology, and ambiguous multi-lesion…

计算机视觉与模式识别 · 计算机科学 2025-05-15 Yili He , Yan Zhu , Peiyao Fu , Ruijie Yang , Tianyi Chen , Zhihua Wang , Quanlin Li , Pinghong Zhou , Xian Yang , Shuo Wang

Colorectal cancer (CRC) is one of the most common causes of cancer and cancer-related mortality worldwide. Performing colon cancer screening in a timely fashion is the key to early detection. Colonoscopy is the primary modality used to…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Nikhil Kumar Tomar , Annie Shergill , Brandon Rieders , Ulas Bagci , Debesh Jha

Video capsule endoscopy (VCE) is used widely nowadays for visualizing the gastrointestinal (GI) tract. Capsule endoscopy exams are prescribed usually as an additional monitoring mechanism and can help in identifying polyps, bleeding, etc.…

计算机视觉与模式识别 · 计算机科学 2017-01-03 V. B. Surya Prasath

Colorectal polyps are important precursors to colon cancer, the third most common cause of cancer mortality for both men and women. It is a disease where early detection is of crucial importance. Colonoscopy is commonly used for early…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Ahmed Mohammed , Sule Yildirim , Ivar Farup , Marius Pedersen , Øistein Hovde

Unlike existing fully-supervised approaches, we rethink colorectal polyp segmentation from an out-of-distribution perspective with a simple but effective self-supervised learning approach. We leverage the ability of masked autoencoders --…

图像与视频处理 · 电气工程与系统科学 2024-03-22 Ge-Peng Ji , Jing Zhang , Dylan Campbell , Huan Xiong , Nick Barnes

Accurate endoscopic image segmentation on the polyps is critical for early colorectal cancer detection. However, this task remains challenging due to low contrast with surrounding mucosa, specular highlights, and indistinct boundaries. To…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Juntong Fan , Shuyi Fan , Debesh Jha , Changsheng Fang , Tieyong Zeng , Hengyong Yu , Dayang Wang

The learning objective of vision-language approach of CLIP does not effectively account for the noisy many-to-many correspondences found in web-harvested image captioning datasets, which contributes to its compute and data inefficiency. To…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Alex Andonian , Shixing Chen , Raffay Hamid

Colorectal cancer is the third most common cancer diagnosed in both men and women in the United States. Most colorectal cancers start as a growth on the inner lining of the colon or rectum, called 'polyp'. Not all polyps are cancerous, but…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Krushi Patel , Kaidong Li , Ke Tao , Quan Wang , Ajay Bansal , Amit Rastogi , Guanghui 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…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Hong-You Chen , Zhengfeng Lai , Haotian Zhang , Xinze Wang , Marcin Eichner , Keen You , Meng Cao , Bowen Zhang , Yinfei Yang , Zhe Gan

Accurate polyp detection is essential for assisting clinical rectal cancer diagnoses. Colonoscopy videos contain richer information than still images, making them a valuable resource for deep learning methods. Great efforts have been made…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Yuncheng Jiang , Zixun Zhang , Ruimao Zhang , Guanbin Li , Shuguang Cui , Zhen Li

Medical image understanding plays a crucial role in enabling automated diagnosis and data-driven clinical decision support. However, its progress is impeded by two primary challenges: the limited availability of high-quality annotated…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Tianchen Fang , Guiru Liu

Automatic and accurate segmentation of colon polyps is essential for early diagnosis of colorectal cancer. Advanced deep learning models have shown promising results in polyp segmentation. However, they still have limitations in…

计算机视觉与模式识别 · 计算机科学 2023-07-14 Nguyen Hoang Thuan , Nguyen Thi Oanh , Nguyen Thi Thuy , Stuart Perry , Dinh Viet Sang

The gap in representations between image and video makes Image-to-Video Re-identification (I2V Re-ID) challenging, and recent works formulate this problem as a knowledge distillation (KD) process. In this paper, we propose a mutual…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Pichao Wang , Fan Wang , Hao Li

Colonoscopy, currently the most efficient and recognized colon polyp detection technology, is necessary for early screening and prevention of colorectal cancer. However, due to the varying size and complex morphological features of colonic…

图像与视频处理 · 电气工程与系统科学 2022-06-29 Jinfeng Wang , Qiming Huang , Feilong Tang , Jia Meng , Jionglong Su , Sifan Song

Recently, large-scale vision-language pre-trained models like CLIP have shown impressive performance in image re-identification (ReID). In this work, we explore whether self-supervision can aid in the use of CLIP for image ReID tasks.…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Bin Wang , Yuying Liang , Lei Cai , Huakun Huang , Huanqiang Zeng

Polyp has long been considered as one of the major etiologies to colorectal cancer which is a fatal disease around the world, thus early detection and recognition of polyps plays a crucial role in clinical routines. Accurate diagnoses of…

组织与器官 · 定量生物学 2018-09-06 Xi Mo , Ke Tao , Quan Wang , Guanghui Wang

Contrastive Language-Image Pre-training (CLIP) has achieved excellent performance over a wide range of tasks. However, the effectiveness of CLIP heavily relies on a substantial corpus of pre-training data, resulting in notable consumption…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Kaicheng Yang , Tiancheng Gu , Xiang An , Haiqiang Jiang , Xiangzi Dai , Ziyong Feng , Weidong Cai , Jiankang Deng

Early detection and assessment of polyps play a crucial role in the prevention and treatment of colorectal cancer (CRC). Polyp segmentation provides an effective solution to assist clinicians in accurately locating and segmenting polyp…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Jiaxin Mei , Tao Zhou , Kaiwen Huang , Yizhe Zhang , Yi Zhou , Ye Wu , Huazhu Fu

Deep learning techniques are increasingly being adopted in diagnostic medical imaging. However, the limited availability of high-quality, large-scale medical datasets presents a significant challenge, often necessitating the use of transfer…

计算机视觉与模式识别 · 计算机科学 2025-02-10 Heba El-Shimy , Hind Zantout , Michael A. Lones , Neamat El Gayar

Polyps represent an early sign of the development of Colorectal Cancer. The standard procedure for their detection consists of colonoscopic examination of the gastrointestinal tract. However, the wide range of polyp shapes and visual…

图像与视频处理 · 电气工程与系统科学 2021-10-06 Adrian Galdran , Gustavo Carneiro , Miguel A. González Ballester