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An efficient deep learning model that can be implemented in real-time for polyp detection is crucial to reducing polyp miss-rate during screening procedures. Convolutional neural networks (CNNs) are vulnerable to small changes in the input…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Hemin Ali Qadir , Younghak Shin , Jacob Bergsland , Ilangko Balasingham

Existing deep learning-based approaches for histopathology image analysis require large annotated training sets to achieve good performance; but annotating histopathology images is slow and resource-intensive. Conditional generative…

Image and Video Processing · Electrical Eng. & Systems 2021-10-29 Sujata Butte , Haotian Wang , Min Xian , Aleksandar Vakanski

Deep learning has shown excellent performance in analysing medical images. However, datasets are difficult to obtain due privacy issues, standardization problems, and lack of annotations. We address these problems by producing realistic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Enric Moreu , Eric Arazo , Kevin McGuinness , Noel E. O'Connor

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,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Jianwei Xu , Ran Zhao , Yizhou Yu , Qingwei Zhang , Xianzhang Bian , Jun Wang , Zhizheng Ge , Dahong Qian

Computer tomographic colonography, combined with computer-aided detection, is a promising emerging technique for colonic polyp analysis. We present a complete pipeline for polyp detection, starting with a simple colon segmentation technique…

Computer Vision and Pattern Recognition · Computer Science 2012-10-01 Marcelo Fiori , Pablo Musé , Guillermo Sapiro

Synthesizing high resolution photorealistic images has been a long-standing challenge in machine learning. In this paper we introduce new methods for the improved training of generative adversarial networks (GANs) for image synthesis. We…

Machine Learning · Statistics 2017-07-24 Augustus Odena , Christopher Olah , Jonathon Shlens

In this paper, we propose and analyse a system that can automatically detect, localise and classify polyps from colonoscopy videos. The detection of frames with polyps is formulated as a few-shot anomaly classification problem, where the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Yu Tian , Leonardo Zorron Cheng Tao Pu , Yuyuan Liu , Gabriel Maicas , Johan W. Verjans , Alastair D. Burt , Seon Ho Shin , Rajvinder Singh , Gustavo Carneiro

Conditional image synthesis for generating photorealistic images serves various applications for content editing to content generation. Previous conditional image synthesis algorithms mostly rely on semantic maps, and often fail in complex…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Aysegul Dundar , Karan Sapra , Guilin Liu , Andrew Tao , Bryan Catanzaro

Deep learning is a popular and powerful tool in computed tomography (CT) image processing such as organ segmentation, but its requirement of large training datasets remains a challenge. Even though there is a large anatomical variability…

Image and Video Processing · Electrical Eng. & Systems 2020-02-06 Chi Nok Enoch Kan , Najibakram Maheenaboobacker , Dong Hye Ye

Colorectal cancer is a one of the highest causes of cancer-related death, especially in men. Polyps are one of the main causes of colorectal cancer and early diagnosis of polyps by colonoscopy could result in successful treatment. Diagnosis…

Image and Video Processing · Electrical Eng. & Systems 2018-02-02 Mojtaba Akbari , Majid Mohrekesh , Ebrahim Nasr-Esfahani , S. M. Reza Soroushmehr , Nader Karimi , Shadrokh Samavi , Kayvan Najarian

Training robust deep learning (DL) systems for medical image classification or segmentation is challenging due to limited images covering different disease types and severity. We propose an active learning (AL) framework to select most…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Dwarikanath Mahapatra , Behzad Bozorgtabar , Jean-Philippe Thiran , Mauricio Reyes

Acquiring images of the same anatomy with multiple different contrasts increases the diversity of diagnostic information available in an MR exam. Yet, scan time limitations may prohibit acquisition of certain contrasts, and images for some…

Computer Vision and Pattern Recognition · Computer Science 2018-02-06 Salman Ul Hassan Dar , Mahmut Yurt , Levent Karacan , Aykut Erdem , Erkut Erdem , Tolga Çukur

The demand for high-quality city street layouts has persisted for an extended period presenting notable challenges. Conventional methods are yet to effectively address the integration of both natural and socioeconomic factors in this…

Graphics · Computer Science 2025-11-10 Lehao Yang , Cui Zhu , Tian Feng

Colonoscopy is a common and practical method for detecting and treating polyps. Segmenting polyps from colonoscopy image is useful for diagnosis and surgery progress. Nevertheless, achieving excellent segmentation performance is still…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Quang Vinh Nguyen , Van Thong Huynh , Soo-Hyung Kim

The identification of lesion within medical image data is necessary for diagnosis, treatment and prognosis. Segmentation and classification approaches are mainly based on supervised learning with well-paired image-level or voxel-level…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Liyan Sun , Jiexiang Wang , Yue Huang , Xinghao Ding , Hayit Greenspan , John Paisley

Automatic and accurate polyp segmentation plays an essential role in early colorectal cancer diagnosis. However, it has always been a challenging task due to 1) the diverse shape, size, brightness and other appearance characteristics of…

Image and Video Processing · Electrical Eng. & Systems 2023-01-13 Ruifei Zhang , Peiwen Lai , Xiang Wan , De-Jun Fan , Feng Gao , Xiao-Jian Wu , Guanbin Li

Colonoscopy is crucial for identifying adenomatous polyps and preventing colorectal cancer. However, developing robust models for polyp detection is challenging by the limited size and accessibility of existing colonoscopy datasets. While…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Yifan Xie , Jingge Wang , Tao Feng , Fei Ma , Yang Li

This paper presents a novel supervised convolutional neural network architecture, "DUCK-Net", capable of effectively learning and generalizing from small amounts of medical images to perform accurate segmentation tasks. Our model utilizes…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Razvan-Gabriel Dumitru , Darius Peteleaza , Catalin Craciun

Automatic polyp segmentation is crucial for effective diagnosis and treatment in colonoscopy images. Traditional methods encounter significant challenges in accurately delineating polyps due to limitations in feature representation and the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Quang Vinh Nguyen , Thanh Hoang Son Vo , Sae-Ryung Kang , Soo-Hyung Kim

Anomaly detection methods generally target the learning of a normal image distribution (i.e., inliers showing healthy cases) and during testing, samples relatively far from the learned distribution are classified as anomalies (i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Yu Tian , Gabriel Maicas , Leonardo Zorron Cheng Tao Pu , Rajvinder Singh , Johan W. Verjans , Gustavo Carneiro