中文
相关论文

相关论文: Bimodal Camera Pose Prediction for Endoscopy

200 篇论文

Accurate depth and camera pose estimation is essential for achieving high-quality 3D visualisations in robotic-assisted surgery. Despite recent advancements in foundation model adaptation to monocular depth estimation of endoscopic scenes…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Mona Sheikh Zeinoddin , Mobarak I. Hoque , Zafer Tandogdu , Greg Shaw , Matthew J. Clarkson , Evangelos Mazomenos , Danail Stoyanov

We present a computer-aided detection algorithm for polyps in optical colonoscopy images. Polyps are the precursors to colon cancer. In the US alone, more than 14 million optical colonoscopies are performed every year, mostly to screen for…

计算机视觉与模式识别 · 计算机科学 2016-09-13 Saad Nadeem , Arie Kaufman

We propose a novel learning-based formulation for visual localization of vehicles that can operate in real-time in city-scale environments. Visual localization algorithms determine the position and orientation from which an image has been…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Arthur Moreau , Thomas Gilles , Nathan Piasco , Dzmitry Tsishkou , Bogdan Stanciulescu , Arnaud de La Fortelle

Self-supervised monocular depth estimation is a significant task for low-cost and efficient 3D scene perception and measurement in endoscopy. However, the variety of illumination conditions and scene features is still the primary challenges…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Liangjing Shao , Chenkang Du , Benshuang Chen , Xueli Liu , Xinrong Chen

Many approaches have been proposed for human pose estimation in single and multi-view RGB images. However, some environments, such as the operating room, are still very challenging for state-of-the-art RGB methods. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2017-01-26 Abdolrahim Kadkhodamohammadi , Afshin Gangi , Michel de Mathelin , Nicolas Padoy

In this paper we present a novel approach for bottom-up multi-person 3D human pose estimation from monocular RGB images. We propose to use high resolution volumetric heatmaps to model joint locations, devising a simple and effective…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Matteo Fabbri , Fabio Lanzi , Simone Calderara , Stefano Alletto , Rita Cucchiara

We propose a new single-shot method for multi-person 3D pose estimation in general scenes from a monocular RGB camera. Our approach uses novel occlusion-robust pose-maps (ORPM) which enable full body pose inference even under strong partial…

计算机视觉与模式识别 · 计算机科学 2018-08-29 Dushyant Mehta , Oleksandr Sotnychenko , Franziska Mueller , Weipeng Xu , Srinath Sridhar , Gerard Pons-Moll , Christian Theobalt

Pose estimation commonly refers to computer vision methods that recognize people's body postures in images or videos. With recent advancements in deep learning, we now have compelling models to tackle the problem in real-time. Since these…

机器人学 · 计算机科学 2021-07-07 Arash Amini , Hafez Farazi , Sven Behnke

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,…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Javier Morlana , Juan D. Tardós , J. M. M. Montiel

Current state-of-the-art in 3D human pose and shape recovery relies on deep neural networks and statistical morphable body models, such as the Skinned Multi-Person Linear model (SMPL). However, regardless of the advantages of having both…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Meysam Madadi , Hugo Bertiche , Sergio Escalera

With a proliferation of generic domain-adaptation approaches, we report a simple yet effective technique for learning difficult per-pixel 2.5D and 3D regression representations of articulated people. We obtained strong sim-to-real domain…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Tyler Zhu , Per Karlsson , Christoph Bregler

Monocular 3D human-pose estimation from static images is a challenging problem, due to the curse of dimensionality and the ill-posed nature of lifting 2D-to-3D. In this paper, we propose a Deep Conditional Variational Autoencoder based…

计算机视觉与模式识别 · 计算机科学 2019-08-22 Saurabh Sharma , Pavan Teja Varigonda , Prashast Bindal , Abhishek Sharma , Arjun Jain

Flexible endoscopes for colonoscopy present several limitations due to their inherent complexity, resulting in patient discomfort and lack of intuitiveness for clinicians. Robotic devices together with autonomous control represent a viable…

We introduce FocalPose++, a neural render-and-compare method for jointly estimating the camera-object 6D pose and camera focal length given a single RGB input image depicting a known object. The contributions of this work are threefold.…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Martin Cífka , Georgy Ponimatkin , Yann Labbé , Bryan Russell , Mathieu Aubry , Vladimir Petrik , Josef Sivic

We introduce Corr2Distrib, the first correspondence-based method which estimates a 6D camera pose distribution from an RGB image, explaining the observations. Indeed, symmetries and occlusions introduce visual ambiguities, leading to…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Asma Brazi , Boris Meden , Fabrice Mayran de Chamisso , Steve Bourgeois , Vincent Lepetit

Masked Image Modeling (MIM) is a promising self-supervised learning approach that enables learning from unlabeled images. Despite its recent success, learning good representations through MIM remains challenging because it requires…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Amir Bar , Florian Bordes , Assaf Shocher , Mahmoud Assran , Pascal Vincent , Nicolas Ballas , Trevor Darrell , Amir Globerson , Yann LeCun

Estimation of the human pose from a monocular camera has been an emerging research topic in the computer vision community with many applications. Recently, benefited from the deep learning technologies, a significant amount of research…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Wu Liu , Qian Bao , Yu Sun , Tao Mei

Recent advances in 3D Gaussian Splatting have shown promising results. Existing methods typically assume static scenes and/or multiple images with prior poses. Dynamics, sparse views, and unknown poses significantly increase the problem…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Weihang Li , Weirong Chen , Shenhan Qian , Jiajie Chen , Daniel Cremers , Haoang Li

In pose estimation for seen objects, a prevalent pipeline involves using neural networks to predict dense 3D coordinates of the object surface on 2D images, which are then used to establish dense 2D-3D correspondences. However, current…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Yulin Wang , Mengting Hu , Hongli Li , Chen Luo

Traditional novel view synthesis methods heavily rely on external camera pose estimation tools such as COLMAP, which often introduce computational bottlenecks and propagate errors. To address these challenges, we propose a unified framework…

计算机视觉与模式识别 · 计算机科学 2026-01-16 Xianben Yang , Yuxuan Li , Tao Wang , Tao Wang , Yi Jin , Yidong Li , Haibin Ling