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Colonoscopy is considered the golden standard for cancer screening of the lower gastrointestinal (GI) tract, with screening programs all over the world considering lowering the recommended screening age. Nonetheless, conventional…

Robotics · Computer Science 2022-09-20 Vanni Consumi , Lukas Lindenroth , Jeref Merlin , Danail Stoyanov , Agostino Stilli

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…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Tariq Rahim , Syed Ali Hassan , Soo Young Shin

Colorectal cancer is the fourth leading cause of cancer deaths worldwide and the second leading cause in the United States. The risk of colorectal cancer can be mitigated by the identification and removal of premalignant lesions through…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Faisal Mahmood , Nicholas J. Durr

Biomedical image segmentation is a very important part in disease diagnosis. The term "colonic polyps" refers to polypoid lesions that occur on the surface of the colonic mucosa within the intestinal lumen. In clinical practice, early…

Image and Video Processing · Electrical Eng. & Systems 2024-04-02 Chen Peng , Zhiqin Qian , Kunyu Wang , Qi Luo , Zhuming Bi , Wenjun Zhang

Colon cancer is expected to become the second leading cause of cancer death in the United States in 2023. Although colonoscopy is one of the most effective methods for early prevention of colon cancer, up to 30% of polyps may be missed by…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Xiao Yang , Enmin Song , Guangzhi Ma , Yunfeng Zhu , Dongming Yu , Bowen Ding , Xianyuan Wang

This paper is created to explore deep learning models and algorithms that results in highest accuracy in detecting polyp on colonoscopy images. Previous studies implemented deep learning using convolution neural network (CNN) algorithm in…

Image and Video Processing · Electrical Eng. & Systems 2022-03-09 Ariel E. Isidro , Arnel C. Fajardo , Alexander A. Hernandez

Colorectal cancer (CRC) remains a leading cause of cancer-related deaths worldwide, with polyp removal being an effective early screening method. However, navigating the colon for thorough polyp detection poses significant challenges. To…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Xinwei Ju , Rema Daher , Razvan Caramalau , Baoru Huang , Danail Stoyanov , Francisco Vasconcelos

We improved an existing end-to-end polyp detection model with better average precision validated by different data sets with trivial cost on detection speed. Our previous work on detecting polyps within colonoscopy provided an efficient…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jialin Yu , Huogen Wang , Ming Chen

In order to use the navigation system effectively, distance information sensors such as depth sensors are essential. Since depth sensors are difficult to use in endoscopy, many groups propose a method using convolutional neural networks. In…

Image and Video Processing · Electrical Eng. & Systems 2021-12-28 Bong Hyuk Jeong , Hang Keun Kim , Young Don Son

Following recent advancements in computer-aided detection and diagnosis systems for colonoscopy, the automated reporting of colonoscopy procedures is set to further revolutionize clinical practice. A crucial yet underexplored aspect in the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Carlo Biffi , Giorgio Roffo , Pietro Salvagnini , Andrea Cherubini

Colorectal polyps are generally benign alterations that, if not identified promptly and managed successfully, can progress to cancer and cause affectations on the colon mucosa, known as adenocarcinoma. Today advances in Deep Learning have…

Image and Video Processing · Electrical Eng. & Systems 2025-01-22 Daniela L. Ramos , Hector J. Hortua

Colorectal cancer is the third most common cause of cancer death worldwide. Optical colonoscopy is the gold standard for detecting colorectal cancer; however, about 25 percent of polyps are missed during the procedure. A vision-based…

Image and Video Processing · Electrical Eng. & Systems 2023-01-20 Alwyn Mathew , Ludovic Magerand , Emanuele Trucco , Luigi Manfredi

Potentially precancerous polyps detected with CT colonography (CTC) need to be removed subsequently, using an optical colonoscope (OC). Due to large colonic deformations induced by the colonoscope, even very experienced colonoscopists find…

Computer Vision and Pattern Recognition · Computer Science 2015-01-16 Holger R. Roth , Thomas E. Hampshire , Emma Helbren , Mingxing Hu , Roser Vega , Steve Halligan , David J. Hawkes

Colorectal cancer (CRC) is the third cause of cancer death worldwide. Currently, the standard approach to reduce CRC-related mortality is to perform regular screening in search for polyps and colonoscopy is the screening tool of choice. The…

Computer Vision and Pattern Recognition · Computer Science 2016-12-05 David Vázquez , Jorge Bernal , F. Javier Sánchez , Gloria Fernández-Esparrach , Antonio M. López , Adriana Romero , Michal Drozdzal , Aaron Courville

We propose a topological mapping and localization system able to operate on real human colonoscopies, despite significant shape and illumination changes. The map is a graph where each node codes a colon location by a set of real images,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Javier Morlana , Juan D. Tardós , J. M. M. Montiel

Colorectal cancer contributes significantly to cancer-related mortality. Timely identification and elimination of polyps through colonoscopy screening is crucial in order to decrease mortality rates. Accurately detecting polyps in…

Image and Video Processing · Electrical Eng. & Systems 2024-05-08 Owen Singh , Sandeep Singh Sengar

Besides the complex nature of colonoscopy frames with intrinsic frame formation artefacts such as light reflections and the diversity of polyp types/shapes, the publicly available polyp segmentation training datasets are limited, small and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Yan Wen , Lei Zhang , Xiangli Meng , Xujiong Ye

Tracking monocular colonoscope in the Gastrointestinal tract (GI) is a challenging problem as the images suffer from deformation, blurred textures, significant changes in appearance. They greatly restrict the tracking ability of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-15 Jingwei Song , Mitesh Patel , Andreas Girgensohn , Chelhwon Kim

Colonoscopy is a procedure to detect colorectal polyps which are the primary cause for developing colorectal cancer. However, polyp segmentation is a challenging task due to the diverse shape, size, color, and texture of polyps, shuttle…

Image and Video Processing · Electrical Eng. & Systems 2021-05-04 Krushi Patel , Andres M. Bur , Guanghui Wang

Colonoscopy video frames might be contaminated by bright spots with unsaturated values known as specular reflection. Detection and removal of such reflections could enhance the quality of colonoscopy images and facilitate diagnosis…

Computer Vision and Pattern Recognition · Computer Science 2018-02-26 Mojtaba Akbari , Majid Mohrekesh , S. M. Reza Soroushmehr , Nader Karimi , Shadrokh Samavi , Kayvan Najarian