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Wireless capsule endoscopy is a medical procedure used to visualize the entire gastrointestinal tract and to diagnose intestinal conditions, such as polyps or bleeding. Current analyses are performed by manually inspecting nearly each one…

图像与视频处理 · 电气工程与系统科学 2020-10-05 Pablo Laiz , Jordi Vitrià , Hagen Wenzek , Carolina Malagelada , Fernando Azpiroz , Santi Seguí

Differentiation of colorectal polyps is an important clinical examination. A computer-aided diagnosis system is required to assist accurate diagnosis from colonoscopy images. Most previous studies at-tempt to develop models for polyp…

计算机视觉与模式识别 · 计算机科学 2021-08-06 Qin Wang , Hui Che , Weizhen Ding , Li Xiang , Guanbin Li , Zhen Li , Shuguang Cui

Depth information is important for autonomous systems to perceive environments and estimate their own state. Traditional depth estimation methods, like structure from motion and stereo vision matching, are built on feature correspondences…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Chaoqiang Zhao , Qiyu Sun , Chongzhen Zhang , Yang Tang , Feng Qian

Monocular depth estimation is a highly challenging problem that is often addressed with deep neural networks. While these are able to use recognition of image features to predict reasonably looking depth maps the result often has low metric…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Patrik Persson , Linn Öström , Carl Olsson

Colonic polyps are well-recognized precursors to colorectal cancer (CRC), typically detected during colonoscopy. However, the variability in appearance, location, and size of these polyps complicates their detection and removal, leading to…

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…

图像与视频处理 · 电气工程与系统科学 2024-05-08 Owen Singh , Sandeep Singh Sengar

Monocular depth estimation is scale-ambiguous, and thus requires scale supervision to produce metric predictions. Even so, the resulting models will be geometry-specific, with learned scales that cannot be directly transferred across…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Vitor Guizilini , Igor Vasiljevic , Dian Chen , Rares Ambrus , Adrien Gaidon

Monocular depth estimation, enabled by self-supervised learning, is a key technique for 3D perception in computer vision. However, it faces significant challenges in real-world scenarios, which encompass adverse weather variations, motion…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Runze Chen , Haiyong Luo , Fang Zhao , Jingze Yu , Yupeng Jia , Juan Wang , Xuepeng Ma

Self-supervised monocular depth estimation (MDE) has gained popularity for obtaining depth predictions directly from videos. However, these methods often produce scale invariant results, unless additional training signals are provided.…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Gasser Elazab , Torben Gräber , Michael Unterreiner , Olaf Hellwich

Many standard robotic platforms are equipped with at least a fixed 2D laser range finder and a monocular camera. Although those platforms do not have sensors for 3D depth sensing capability, knowledge of depth is an essential part in many…

计算机视觉与模式识别 · 计算机科学 2016-11-08 Yiyi Liao , Lichao Huang , Yue Wang , Sarath Kodagoda , Yinan Yu , Yong Liu

Overlap between treatment groups is required for non-parametric estimation of causal effects. If a subgroup of subjects always receives the same intervention, we cannot estimate the effect of intervention changes on that subgroup without…

机器学习 · 计算机科学 2021-03-04 Michael Oberst , Fredrik D. Johansson , Dennis Wei , Tian Gao , Gabriel Brat , David Sontag , Kush R. Varshney

While showing promising results, recent RGB-D camera-based category-level object pose estimation methods have restricted applications due to the heavy reliance on depth sensors. RGB-only methods provide an alternative to this problem yet…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Jiaxin Wei , Xibin Song , Weizhe Liu , Laurent Kneip , Hongdong Li , Pan Ji

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…

图像与视频处理 · 电气工程与系统科学 2025-01-22 Daniela L. Ramos , Hector J. Hortua

Colonoscopic Polyp Re-Identification aims to match a specific polyp in a large gallery with different cameras and views, which plays a key role for the prevention and treatment of colorectal cancer in the computer-aided diagnosis. However,…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Suncheng Xiang , Cang Liu , Sijia Du , Dahong Qian

Depth completion involves predicting dense depth maps from sparse LiDAR inputs. However, sparse depth annotations from sensors limit the availability of dense supervision, which is necessary for learning detailed geometric features. In this…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Yingping Liang , Yutao Hu , Wenqi Shao , Ying Fu

Monocular depth estimation is the base task in computer vision. It has a tremendous development in the decade with the development of deep learning. But the boundary blur of the depth map is still a serious problem. Research finds the…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Xin Yang , Qingling Chang , Xinlin Liu , Yan Cui

Colorectal cancer (CRC) is a common and lethal disease. Globally, CRC is the third most commonly diagnosed cancer in males and the second in females. For colorectal cancer, the best screening test available is the colonoscopy. During a…

图像与视频处理 · 电气工程与系统科学 2019-09-27 Dechun Wang , Ning Zhang , Xinzi Sun , Pengfei Zhang , Chenxi Zhang , Yu Cao , Benyuan Liu

Monocular Depth Estimation is usually treated as a supervised and regression problem when it actually is very similar to semantic segmentation task since they both are fundamentally pixel-level classification tasks. We applied depth…

计算机视觉与模式识别 · 计算机科学 2019-10-24 Azeez Oluwafemi , Yang Zou , B. V. K. Vijaya Kumar

This paper demonstrates a surprising result for segmentation with image-level targets: extending binary class tags to approximate relative object-size distributions allows off-the-shelf architectures to solve the segmentation problem. A…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Xingye Fan , Zhongwen , Zhang , Yuri Boykov

Automatic detection of colonic polyps is still an unsolved problem due to the large variation of polyps in terms of shape, texture, size, and color, and the existence of various polyp-like mimics during colonoscopy. In this study, we apply…

计算机视觉与模式识别 · 计算机科学 2019-06-28 Younghak Shin , Hemin Ali Qadir , Lars Aabakken , Jacob Bergsland , Ilangko Balasingham