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Motion segmentation from a single moving camera presents a significant challenge in the field of computer vision. This challenge is compounded by the unknown camera movements and the lack of depth information of the scene. While deep…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Yuxiang Huang , Yuhao Chen , John Zelek

Monocular depth estimators can be trained with various forms of self-supervision from binocular-stereo data to circumvent the need for high-quality laser scans or other ground-truth data. The disadvantage, however, is that the photometric…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Jamie Watson , Michael Firman , Gabriel J. Brostow , Daniyar Turmukhambetov

Gastroendoscopy has been a clinical standard for diagnosing and treating conditions that affect a part of a patient's digestive system, such as the stomach. Despite the fact that gastroendoscopy has a lot of advantages for patients, there…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Aji Resindra Widya , Yusuke Monno , Masatoshi Okutomi , Sho Suzuki , Takuji Gotoda , Kenji Miki

In this paper, we proposed a new deep learning based dense monocular SLAM method. Compared to existing methods, the proposed framework constructs a dense 3D model via a sparse to dense mapping using learned surface normals. With single view…

Robotics · Computer Science 2019-03-25 Jiexiong Tang , John Folkesson , Patric Jensfelt

Although considerable advancements have been attained in self-supervised depth estimation from monocular videos, most existing methods often treat all objects in a video as static entities, which however violates the dynamic nature of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Xiuzhe Wu , Xiaoyang Lyu , Qihao Huang , Yong Liu , Yang Wu , Ying Shan , Xiaojuan Qi

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…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 John J. Han , Ayberk Acar , Callahan Henry , Jie Ying Wu

Monocular depth estimation (MDE) aims to transform an RGB image of a scene into a pixelwise depth map from the same camera view. It is fundamentally ill-posed due to missing information: any single image can have been taken from many…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Dylan Auty , Krystian Mikolajczyk

Self-supervised methods play an increasingly important role in monocular depth estimation due to their great potential and low annotation cost. To close the gap with supervised methods, recent works take advantage of extra constraints,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Rui Peng , Ronggang Wang , Yawen Lai , Luyang Tang , Yangang Cai

Neural networks have shown great success in extracting geometric information from color images. Especially, monocular depth estimation networks are increasingly reliable in real-world scenes. In this work we investigate the applicability of…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Dominik Engel , Sebastian Hartwig , Timo Ropinski

Depth estimation is a critical topic for robotics and vision-related tasks. In monocular depth estimation, in comparison with supervised learning that requires expensive ground truth labeling, self-supervised methods possess great potential…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Jinchang Zhang , Praveen Kumar Reddy , Xue-Iuan Wong , Yiannis Aloimonos , Guoyu Lu

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…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Runze Chen , Haiyong Luo , Fang Zhao , Jingze Yu , Yupeng Jia , Juan Wang , Xuepeng Ma

Localizing oneself during endoscopic procedures can be problematic due to the lack of distinguishable textures and landmarks, as well as difficulties due to the endoscopic device such as a limited field of view and challenging lighting…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Gary Sarwin , Alessandro Carretta , Victor Staartjes , Matteo Zoli , Diego Mazzatenta , Luca Regli , Carlo Serra , Ender Konukoglu

Learning depth from a single image, as an important issue in scene understanding, has attracted a lot of attention in the past decade. The accuracy of the depth estimation has been improved from conditional Markov random fields,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Lei He , Guanghui Wang , Zhanyi Hu

This paper reports a new continuous 3D loss function for learning depth from monocular images. The dense depth prediction from a monocular image is supervised using sparse LIDAR points, which enables us to leverage available open source…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Minghan Zhu , Maani Ghaffari , Yuanxin Zhong , Pingping Lu , Zhong Cao , Ryan M. Eustice , Huei Peng

Multi-view stereo depth estimation based on cost volume usually works better than self-supervised monocular depth estimation except for moving objects and low-textured surfaces. So in this paper, we propose a multi-frame depth estimation…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Zhuofei Huang , Jianlin Liu , Shang Xu , Ying Chen , Yong Liu

Visual SLAM (Simultaneous Localization and Mapping) methods typically rely on handcrafted visual features or raw RGB values for establishing correspondences between images. These features, while suitable for sparse mapping, often lead to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Chamara Saroj Weerasekera , Ravi Garg , Yasir Latif , Ian Reid

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.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Gasser Elazab , Torben Gräber , Michael Unterreiner , Olaf Hellwich

In this work, we address the problem of real-time dense depth estimation from monocular images for mobile underwater vehicles. We formulate a deep learning model that fuses sparse depth measurements from triangulated features to improve the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Luca Ebner , Gideon Billings , Stefan Williams

Estimating depth from RGB images can facilitate many computer vision tasks, such as indoor localization, height estimation, and simultaneous localization and mapping (SLAM). Recently, monocular depth estimation has obtained great progress…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Qing Li , Jiasong Zhu , Jun Liu , Rui Cao , Qingquan Li , Sen Jia , Guoping Qiu

Single-image depth estimation is essential for endoscopy tasks such as localization, reconstruction, and augmented reality. Most existing methods in surgical scenes focus on in-domain depth estimation, limiting their real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Qingyao Tian , Zhen Chen , Huai Liao , Xinyan Huang , Lujie Li , Sebastien Ourselin , Hongbin Liu