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This paper proposes a novel approach for extending monocular visual odometry to a stereo camera system. The proposed method uses an additional camera to accurately estimate and optimize the scale of the monocular visual odometry, rather…

计算机视觉与模式识别 · 计算机科学 2019-09-18 Jiawei Mo , Junaed Sattar

In the recent years, many methods demonstrated the ability of neural networks to learn depth and pose changes in a sequence of images, using only self-supervision as the training signal. Whilst the networks achieve good performance, the…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Robert McCraith , Lukas Neumann , Andrea Vedaldi

Accurate 3D scene reconstruction is essential for numerous medical tasks. Given the challenges in obtaining ground truth data, there has been an increasing focus on self-supervised learning (SSL) for endoscopic depth estimation as a basis…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Beilei Cui , Long Bai , Mobarakol Islam , An Wang , Zhiqi Ma , Yiming Huang , Feng Li , Zhen Chen , Zhongliang Jiang , Nassir Navab , Hongliang Ren

The recent development of \emph{foundation models} for monocular depth estimation such as Depth Anything paved the way to zero-shot monocular depth estimation. Since it returns an affine-invariant disparity map, the favored technique to…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Rémi Marsal , Alexandre Chapoutot , Philippe Xu , David Filliat

This paper provides a comprehensive survey on pioneer and state-of-the-art 3D scene geometry estimation methodologies based on single, two, or multiple images captured under the omnidirectional optics. We first revisit the basic concepts of…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Thiago Lopes Trugillo da Silveira , Paulo Gamarra Lessa Pinto , Jeffri Erwin Murrugarra Llerena , Claudio Rosito Jung

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

We present a self-supervised approach to training convolutional neural networks for dense depth estimation from monocular endoscopy data without a priori modeling of anatomy or shading. Our method only requires monocular endoscopic videos…

计算机视觉与模式识别 · 计算机科学 2019-10-31 Xingtong Liu , Ayushi Sinha , Masaru Ishii , Gregory D. Hager , Austin Reiter , Russell H. Taylor , Mathias Unberath

Generalizing metric monocular depth estimation presents a significant challenge due to its ill-posed nature, while the entanglement between camera parameters and depth amplifies issues further, hindering multi-dataset training and zero-shot…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Karlo Koledić , Luka Petrović , Ivan Marković , Ivan Petrović

Laparoscopic video tracking primarily focuses on two target types: surgical instruments and anatomy. The former could be used for skill assessment, while the latter is necessary for the projection of virtual overlays. Where instrument and…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Beerend G. A. Gerats , Jelmer M. Wolterink , Seb P. Mol , Ivo A. M. J. Broeders

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…

图像与视频处理 · 电气工程与系统科学 2024-07-04 Francis Xiatian Zhang , Shuang Chen , Xianghua Xie , Hubert P. H. Shum

We present MoGe, a powerful model for recovering 3D geometry from monocular open-domain images. Given a single image, our model directly predicts a 3D point map of the captured scene with an affine-invariant representation, which is…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Ruicheng Wang , Sicheng Xu , Cassie Dai , Jianfeng Xiang , Yu Deng , Xin Tong , Jiaolong Yang

Monocular 3D lane detection is essential for autonomous driving, but challenging due to the inherent lack of explicit spatial information. Multi-modal approaches rely on expensive depth sensors, while methods incorporating fully-supervised…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Max van den Hoven , Kishaan Jeeveswaran , Pieter Piscaer , Thijs Wensveen , Elahe Arani , Bahram Zonooz

Monocular depth estimation (MDE) is a critical component of many medical tracking and mapping algorithms, particularly from endoscopic or laparoscopic video. However, because ground truth depth maps cannot be acquired from real patient…

计算机视觉与模式识别 · 计算机科学 2024-01-31 John J. Han , Ayberk Acar , Callahan Henry , Jie Ying Wu

In this study, we address the key challenges concerning the accuracy and effectiveness of depth estimation for endoscopic imaging, with a particular emphasis on real-time inference and the impact of light reflections. We propose a novel…

计算机视觉与模式识别 · 计算机科学 2024-02-14 Yangke Li

Monocular depth estimation is a challenging task in complex compositions depicting multiple objects of diverse scales. Albeit the recent great progress thanks to the deep convolutional neural networks (CNNs), the state-of-the-art monocular…

计算机视觉与模式识别 · 计算机科学 2017-08-09 Bo Li , Yuchao Dai , Mingyi He

Self-supervised monocular depth estimation has seen significant progress in recent years, especially in outdoor environments. However, depth prediction results are not satisfying in indoor scenes where most of the existing data are captured…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Runze Li , Pan Ji , Yi Xu , Bir Bhanu

Multi-view geometry-based methods dominate the last few decades in monocular Visual Odometry for their superior performance, while they have been vulnerable to dynamic and low-texture scenes. More importantly, monocular methods suffer from…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Huangying Zhan , Chamara Saroj Weerasekera , Jia-Wang Bian , Ravi Garg , Ian Reid

Reconstructing deformable endoscopic tissues is crucial for achieving robot-assisted surgery. However, 3D Gaussian Splatting-based approaches encounter challenges in achieving consistent tissue surface reconstruction, while existing…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Yangsen Chen , Hao Wang

In surgical oncology, screening colonoscopy plays a pivotal role in providing diagnostic assistance, such as biopsy, and facilitating surgical navigation, particularly in polyp detection. Computer-assisted endoscopic surgery has recently…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Baoru Huang , Yida Wang , Anh Nguyen , Daniel Elson , Francisco Vasconcelos , Danail Stoyanov

Recent advances in monocular depth estimation methods (MDE) and their improved accuracy open new possibilities for their applications. In this paper, we investigate how monocular depth estimates can be used for relative pose estimation. In…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Yaqing Ding , Viktor Kocur , Václav Vávra , Zuzana Berger Haladová , Jian Yang , Torsten Sattler , Zuzana Kukelova