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Generative adversarial networks (GANs) are a class of unsupervised machine learning algorithms that can produce realistic images from randomly-sampled vectors in a multi-dimensional space. Until recently, it was not possible to generate…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Andrew Beers , James Brown , Ken Chang , J. Peter Campbell , Susan Ostmo , Michael F. Chiang , Jayashree Kalpathy-Cramer

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

This paper presents a novel machine learning framework to consistently detect, localize and rate congenital cleft lip anomalies in human faces. The goal is to provide a universal, objective measure of facial differences and reconstructive…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Abdullah Hayajneh , Mohammad Shaqfeh , Erchin Serpedin , Mitchell A. Stotland

We propose self-supervised deep algorithms to detect anomalies in heterogeneous autonomous systems using frontal camera video and IMU readings. Given that the video and IMU data are not synchronized, each of them are analyzed separately.…

Colorectal cancer (CRC), a lethal disease, begins with the growth of abnormal mucosal cell proliferation called polyps in the inner wall of the colon. When left undetected, polyps can become malignant tumors. Colonoscopy is the standard…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Siddharth Gupta , Jitin Singla

Landmark/pose estimation in single monocular images have received much effort in computer vision due to its important applications. It remains a challenging task when input images severe occlusions caused by, e.g., adverse camera views.…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Yu Chen , Chunhua Shen , Hao Chen , Xiu-Shen Wei , Lingqiao Liu , Jian Yang

Colonoscopy is the most widely used medical technique for preventing Colorectal Cancer, by detecting and removing polyps before they become malignant. Recent studies show that around one quarter of the existing polyps are routinely missed.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 G. Leifman , I. Kligvasser , R. Goldenberg , M. Elad , E. Rivlin

Frame interpolation attempts to synthesise frames given one or more consecutive video frames. In recent years, deep learning approaches, and notably convolutional neural networks, have succeeded at tackling low- and high-level computer…

Computer Vision and Pattern Recognition · Computer Science 2019-02-27 Joost van Amersfoort , Wenzhe Shi , Alejandro Acosta , Francisco Massa , Johannes Totz , Zehan Wang , Jose Caballero

Generative adversarial networks (GANs) are a powerful approach to unsupervised learning. They have achieved state-of-the-art performance in the image domain. However, GANs are limited in two ways. They often learn distributions with low…

Machine Learning · Statistics 2019-10-11 Adji B. Dieng , Francisco J. R. Ruiz , David M. Blei , Michalis K. Titsias

Reliably detecting anomalies in a given set of images is a task of high practical relevance for visual quality inspection, surveillance, or medical image analysis. Autoencoder neural networks learn to reconstruct normal images, and hence…

Machine Learning · Computer Science 2019-01-21 Laura Beggel , Michael Pfeiffer , Bernd Bischl

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

Biomedical image datasets can be imbalanced due to the rarity of targeted diseases. Generative Adversarial Networks play a key role in addressing this imbalance by enabling the generation of synthetic images to augment datasets. It is…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Muhammad Muneeb Saad , Mubashir Husain Rehmani , Ruairi O'Reilly

Generative Adversarial Networks (GAN) (Goodfellow et al., 2014) are an effective method for training generative models of complex data such as natural images. However, they are notoriously hard to train and can suffer from the problem of…

Generative adversarial networks (GANs) nowadays are capable of producing images of incredible realism. One concern raised is whether the state-of-the-art GAN's learned distribution still suffers from mode collapse, and what to do if so.…

Machine Learning · Computer Science 2021-07-27 Zhenyu Wu , Zhaowen Wang , Ye Yuan , Jianming Zhang , Zhangyang Wang , Hailin Jin

We propose coupled generative adversarial network (CoGAN) for learning a joint distribution of multi-domain images. In contrast to the existing approaches, which require tuples of corresponding images in different domains in the training…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Ming-Yu Liu , Oncel Tuzel

Identifying anomalies refers to detecting samples that do not resemble the training data distribution. Many generative models have been used to find anomalies, and among them, generative adversarial network (GAN)-based approaches are…

Machine Learning · Computer Science 2022-01-03 Laya Rafiee Sevyeri , Thomas Fevens

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.…

Image and Video Processing · Electrical Eng. & Systems 2025-08-14 Madan Baduwal

Generating images via the generative adversarial network (GAN) has attracted much attention recently. However, most of the existing GAN-based methods can only produce low-resolution images of limited quality. Directly generating…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Yong Guo , Qi Chen , Jian Chen , Qingyao Wu , Qinfeng Shi , Mingkui Tan

Detection and diagnosis of colon polyps are key to preventing colorectal cancer. Recent evidence suggests that AI-based computer-aided detection (CADe) and computer-aided diagnosis (CADx) systems can enhance endoscopists' performance and…

Image and Video Processing · Electrical Eng. & Systems 2024-03-05 Carlo Biffi , Giulio Antonelli , Sebastian Bernhofer , Cesare Hassan , Daizen Hirata , Mineo Iwatate , Andreas Maieron , Pietro Salvagnini , Andrea Cherubini

Generative adversarial networks (GANs) offer an effective solution to the image-to-image translation problem, thereby allowing for new possibilities in medical imaging. They can translate images from one imaging modality to another at a low…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Agnieszka Tomczak , Aarushi Gupta , Slobodan Ilic , Nassir Navab , Shadi Albarqouni