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Accurate polyp detection is critical for early colorectal cancer diagnosis. Although remarkable progress has been achieved in recent years, the complex colon environment and concealed polyps with unclear boundaries still pose severe…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Yuncheng Jiang , Zixun Zhang , Yiwen Hu , Guanbin Li , Xiang Wan , Song Wu , Shuguang Cui , Silin Huang , Zhen Li

Detecting and segmenting polyps is crucial for expediting the diagnosis of colon cancer. This is a challenging task due to the large variations of polyps in color, texture, and lighting conditions, along with subtle differences between the…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Krushi Patel , Fengjun Li , Guanghui Wang

Clinically, automated polyp segmentation techniques have the potential to significantly improve the efficiency and accuracy of medical diagnosis, thereby reducing the risk of colorectal cancer in patients. Unfortunately, existing methods…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Junzhuo Liu , Qiaosong Chen , Ye Zhang , Zhixiang Wang , Deng Xin , Jin Wang

Accurate computer-aided polyp detection and segmentation during colonoscopy examinations can help endoscopists resect abnormal tissue and thereby decrease chances of polyps growing into cancer. Towards developing a fully automated model for…

图像与视频处理 · 电气工程与系统科学 2019-11-19 Debesh Jha , Pia H. Smedsrud , Michael A. Riegler , Dag Johansen , Thomas de Lange , Pal Halvorsen , Havard D. Johansen

Given the close association between colorectal cancer and polyps, the diagnosis and identification of colorectal polyps play a critical role in the detection and surgical intervention of colorectal cancer. In this context, the automatic…

计算机视觉与模式识别 · 计算机科学 2023-09-13 Xuefeng Wei , Xuan Zhou

Accurate polyp segmentation in colonoscopy is essential for early colorectal cancer detection, yet real-world clinical environments pose persistent challenges such as motion blur, specular reflections, and illumination instability. Most…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Zhuoyu Wu , Wenhui Ou , Lexi Zhang , Pei-Sze Tan , Dongjun Wu , Junhe Zhao , Wenqi Fang , Raphaël C. -W. Phan

Polyps segmentation poses a significant challenge in medical imaging due to the flat surface of polyps and their texture similarity to surrounding tissues. This similarity gives rise to difficulties in establishing a clear boundary between…

图像与视频处理 · 电气工程与系统科学 2023-11-29 Juntong Fan , Debesh Jha , Tieyong Zeng , Dayang Wang

Early diagnosis is essential for the successful treatment of bowel cancers including colorectal cancer (CRC) and capsule endoscopic imaging with robotic actuation can be a valuable diagnostic tool when combined with automated image…

Automatic detection of polyps is challenging because different polyps vary greatly, while the changes between polyps and their analogues are small. The state-of-the-art methods are based on convolutional neural networks (CNNs). However,…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Jianwei Xu , Ran Zhao , Yizhou Yu , Qingwei Zhang , Xianzhang Bian , Jun Wang , Zhizheng Ge , Dahong Qian

Automated polyp segmentation is essential for early diagnosis of colorectal cancer, yet developing robust models remains challenging due to limited annotated data and significant performance degradation under domain shift. Although…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Haoran Xi , Chen Liu , Xiaolin Li

Traditional segmentation methods for colonic polyps are mainly designed based on low-level features. They could not accurately extract the location of small colonic polyps. Although the existing deep learning methods can improve the…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Yuanyuan Wang , Zhaohong Deng , Qiongdan Lou , Shudong Hu , Kup-sze Choi , Shitong Wang

Colonoscopy is considered the gold standard for detection of colorectal cancer and its precursors. Existing examination methods are, however, hampered by high overall miss-rate, and many abnormalities are left undetected. Computer-Aided…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Debesh Jha , Pia H. Smedsrud , Dag Johansen , Thomas de Lange , Håvard D. Johansen , Pål Halvorsen , Michael A. Riegler

Colonoscopy is vital in the early diagnosis of colorectal polyps. Regular screenings can effectively prevent benign polyps from progressing to CRC. While deep learning has made impressive strides in polyp segmentation, most existing models…

图像与视频处理 · 电气工程与系统科学 2025-04-21 Jun Zeng , KC Santosh , Deepak Rajan Nayak , Thomas de Lange , Jonas Varkey , Tyler Berzin , Debesh Jha

Accurate segmentation of polyps from colonoscopy images is crucial for the early diagnosis and treatment of colorectal cancer. Most existing deep learning-based polyp segmentation methods adopt an Encoder-Decoder architecture, and some…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Desheng Li , Chaoliang Liu , Zhiyong Xiao

Computerized detection of colonic polyps remains an unsolved issue because of the wide variation in the appearance, texture, color, size, and presence of the multiple polyp-like imitators during colonoscopy. In this paper, we propose a deep…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Tariq Rahim , Syed Ali Hassan , Soo Young Shin

Colonoscopy is still the main method of detection and segmentation of colonic polyps, and recent advancements in deep learning networks such as U-Net, ResUNet, Swin-UNet, and PraNet have made outstanding performance in polyp segmentation.…

图像与视频处理 · 电气工程与系统科学 2025-08-14 Madan Baduwal

Background: Colonoscopy remains the gold-standard screening for colorectal cancer. However, significant miss rates for polyps have been reported, particularly when there are multiple small adenomas. This presents an opportunity to leverage…

图像与视频处理 · 电气工程与系统科学 2021-06-23 Michael Yeung , Evis Sala , Carola-Bibiane Schönlieb , Leonardo Rundo

Efficient polyp segmentation in healthcare plays a critical role in enabling early diagnosis of colorectal cancer. However, the segmentation of polyps presents numerous challenges, including the intricate distribution of backgrounds,…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Nhat-Tan Bui , Dinh-Hieu Hoang , Quang-Thuc Nguyen , Minh-Triet Tran , Ngan Le

Accurate diagnosis of Parkinson's disease (PD) from MRI remains challenging due to symptom variability and pathological heterogeneity. Most existing methods rely on conventional magnitude-based MRI modalities, such as T1-weighted images…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Rui Jin , Chen Chen , Yin Liu , Hongfu Sun , Min Zeng , Min Li , Yang Gao

To address overfitting and enhance model generalization in gastroenterological polyp size assessment, our study introduces Feature-Selection Gates (FSG) or Hard-Attention Gates (HAG) alongside Gradient Routing (GR) for dynamic feature…

图像与视频处理 · 电气工程与系统科学 2024-07-08 Giorgio Roffo , Carlo Biffi , Pietro Salvagnini , Andrea Cherubini