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Related papers: C3VDv2 -- Colonoscopy 3D video dataset with enhanc…

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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

Intraoperative ultrasound images are inherently challenging to interpret in liver surgery due to the limited field of view and complex anatomical structures. Bridging the gap between preoperative and intraoperative data is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Karl-Philippe Beaudet , Sidaty El Hadramy , Philippe C Cattin , Juan Verde , Stéphane Cotin

Colorectal cancer (CRC) is a leading worldwide cause of cancer-related mortality, and the role of prompt precise detection is of paramount interest in improving patient outcomes. Conventional diagnostic methods such as colonoscopy and…

Image and Video Processing · Electrical Eng. & Systems 2025-10-29 Ovi Sarkar , Md Shafiuzzaman , Md. Faysal Ahamed , Golam Mahmud , Muhammad E. H. Chowdhury

This contribution shows how an appropriate image pre-processing can improve a deep-learning based 3D reconstruction of colon parts. The assumption is that, rather than global image illumination corrections, local under- and over-exposures…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Ricardo Espinosa , Carlos Axel Garcia-Vega , Gilberto Ochoa-Ruiz , Dominique Lamarque , Christian Daul

Accurate assessment of bowel cleanliness is essential for effective colonoscopy procedures. The Boston Bowel Preparation Scale (BBPS) offers a standardized scoring system but suffers from subjectivity and inter-observer variability when…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Yujia Fu , Zhiyu Dong , Tianwen Qian , Chenye Zheng , Danian Ji , Linhai Zhuo

Estimating a scene reconstruction and the camera motion from in-body videos is challenging due to several factors, e.g. the deformation of in-body cavities or the lack of texture. In this paper we present Endo-Depth-and-Motion, a pipeline…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 David Recasens , José Lamarca , José M. Fácil , J. M. M. Montiel , Javier Civera

Purpose: In some proton therapy facilities, patient alignment relies on two 2D orthogonal kV images, taken at fixed, oblique angles, as no 3D on-the-bed imaging is available. The visibility of the tumor in kV images is limited since the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-19 Yuzhen Ding , Hongying Feng , Yunze Yang , Jason Holmes , Zhengliang Liu , David Liu , William W. Wong , Nathan Y. Yu , Terence T. Sio , Steven E. Schild , Baoxin Li , Wei Liu

Three-dimensional (3D) ultrasound (US) aims to provide sonographers with the spatial relationships of anatomical structures, playing a crucial role in clinical diagnosis. Recently, deep-learning-based freehand 3D US has made significant…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Mingyuan Luo , Xin Yang , Zhongnuo Yan , Yan Cao , Yuanji Zhang , Xindi Hu , Jin Wang , Haoxuan Ding , Wei Han , Litao Sun , Dong Ni

Thin leaves, fine stems, self-occlusion, non-rigid and slowly changing structures make plants difficult for three-dimensional (3D) scanning and reconstruction -- two critical steps in automated visual phenotyping. Many current solutions…

Computer Vision and Pattern Recognition · Computer Science 2017-02-28 Chuong V Nguyen , Jurgen Fripp , David R Lovell , Robert Furbank , Peter Kuffner , Helen Daily , Xavier Sirault

High-quality 3D human body reconstruction requires high-fidelity and large-scale training data and appropriate network design that effectively exploits the high-resolution input images. To tackle these problems, we propose a simple yet…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Sang-Hun Han , Min-Gyu Park , Ju Hong Yoon , Ju-Mi Kang , Young-Jae Park , Hae-Gon Jeon

Deep learning in gastrointestinal endoscopy can assist to improve clinical performance and be helpful to assess lesions more accurately. To this extent, semantic segmentation methods that can perform automated real-time delineation of a…

Image and Video Processing · Electrical Eng. & Systems 2021-04-23 Debesh Jha , Nikhil Kumar Tomar , Sharib Ali , Michael A. Riegler , Håvard D. Johansen , Dag Johansen , Thomas de Lange , Pål Halvorsen

This paper presents a new technique for the virtual reality (VR) visu-alization of complex volume images obtained from computer tomography (CT) and Magnetic Resonance Imaging (MRI) by combining three-dimensional (3D) mesh processing and…

Multimedia · Computer Science 2023-05-02 Iva Vasic , Roberto Pierdicca , Emanuele Frontoni , Bata Vasic

Video inpainting fills in corrupted video content with plausible replacements. While recent advances in endoscopic video inpainting have shown potential for enhancing the quality of endoscopic videos, they mainly repair 2D visual…

Image and Video Processing · Electrical Eng. & Systems 2024-07-04 Francis Xiatian Zhang , Shuang Chen , Xianghua Xie , Hubert P. H. Shum

We propose a novel pathology-sensitive deep learning model (PS-DeVCEM) for frame-level anomaly detection and multi-label classification of different colon diseases in video capsule endoscopy (VCE) data. Our proposed model is capable of…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 A. Mohammed , I. Farup , M. Pedersen , S. Yildirim , Ø Hovde

Markerless estimation of 3D Kinematics has the great potential to clinically diagnose and monitor movement disorders without referrals to expensive motion capture labs; however, current approaches are limited by performing multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-01-16 Marian Bittner , Wei-Tse Yang , Xucong Zhang , Ajay Seth , Jan van Gemert , Frans C. T. van der Helm

Pretraining on large natural image classification datasets such as ImageNet has aided model development on data-scarce 2D medical tasks. 3D medical tasks often have much less data than 2D medical tasks, prompting practitioners to rely on…

Image and Video Processing · Electrical Eng. & Systems 2023-04-04 Alexander Ke , Shih-Cheng Huang , Chloe P O'Connell , Michal Klimont , Serena Yeung , Pranav Rajpurkar

We present a dataset of 998 3D models of everyday tabletop objects along with their 847,000 real world RGB and depth images. Accurate annotations of camera poses and object poses for each image are performed in a semi-automated fashion to…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Rakesh Shrestha , Siqi Hu , Minghao Gou , Ziyuan Liu , Ping Tan

While existing video and image quality datasets have extensively studied natural videos and traditional distortions, the perception of synthetic content and modern rendering artifacts remains underexplored. We present a novel video quality…

Graphics · Computer Science 2025-06-16 Akshay Jindal , Nabil Sadaka , Manu Mathew Thomas , Anton Sochenov , Anton Kaplanyan

Real-time 3D human pose estimation is crucial for human-computer interaction. It is cheap and practical to estimate 3D human pose only from monocular video. However, recent bone splicing based 3D human pose estimation method brings about…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Guangming Wang , Honghao Zeng , Ziliang Wang , Zhe Liu , Hesheng Wang

Deducing the 3D structure of endoscopic scenes from images is exceedingly challenging. In addition to deformation and view-dependent lighting, tubular structures like the colon present problems stemming from their self-occluding and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Anita Rau , Binod Bhattarai , Lourdes Agapito , Danail Stoyanov
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