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We propose a self-supervised monocular depth estimation network tailored for endoscopic scenes, aiming to infer depth within the gastrointestinal tract from monocular images. Existing methods, though accurate, typically assume consistent…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Zebo Huang , Yinghui Wang

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 sequential data from…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Xingtong Liu , Ayushi Sinha , Mathias Unberath , Masaru Ishii , Gregory Hager , Russell H. Taylor , Austin Reiter

Gaussian SLAM systems excel in real-time rendering and fine-grained reconstruction compared to NeRF-based systems. However, their reliance on extensive keyframes is impractical for deployment in real-world robotic systems, which typically…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Mingrui Li , Shuhong Liu , Tianchen Deng , Hongyu Wang

Depth and ego-motion estimations are essential for the localization and navigation of autonomous robots and autonomous driving. Recent studies make it possible to learn the per-pixel depth and ego-motion from the unlabeled monocular video.…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Guangming Wang , Jiquan Zhong , Shijie Zhao , Wenhua Wu , Zhe Liu , Hesheng Wang

Monocular depth estimation is critical for endoscopists to perform spatial perception and 3D navigation of surgical sites. However, most of the existing methods ignore the important geometric structural consistency, which inevitably leads…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Yongming Yang , Shuwei Shao , Tao Yang , Peng Wang , Zhuo Yang , Chengdong Wu , Hao Liu

We present a novel unsupervised learning framework for single view depth estimation using monocular videos. It is well known in 3D vision that enlarging the baseline can increase the depth estimation accuracy, and jointly optimizing a set…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Lipu Zhou , Jiamin Ye , Montiel Abello , Shengze Wang , Michael Kaess

Depth estimation from a single image is an active research topic in computer vision. The most accurate approaches are based on fully supervised learning models, which rely on a large amount of dense and high-resolution (HR) ground-truth…

计算机视觉与模式识别 · 计算机科学 2021-09-27 Jialei Xu , Yuanchao Bai , Xianming Liu , Junjun Jiang , Xiangyang Ji

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…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Qing Li , Jiasong Zhu , Jun Liu , Rui Cao , Qingquan Li , Sen Jia , Guoping Qiu

We propose GeoFusion, a SLAM-based scene estimation method for building an object-level semantic map in dense clutter. In dense clutter, objects are often in close contact and severe occlusions, which brings more false detections and noisy…

机器人学 · 计算机科学 2020-09-08 Zhiqiang Sui , Haonan Chang , Ning Xu , Odest Chadwicke Jenkins

The bundle of geometry and appearance in computer vision has proven to be a promising solution for robots across a wide variety of applications. Stereo cameras and RGB-D sensors are widely used to realise fast 3D reconstruction and…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Xuanpeng Li , Rachid Belaroussi

3D Gaussian Splatting has emerged as a powerful representation of geometry and appearance for RGB-only dense Simultaneous Localization and Mapping (SLAM), as it provides a compact dense map representation while enabling efficient and…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Erik Sandström , Keisuke Tateno , Michael Oechsle , Michael Niemeyer , Luc Van Gool , Martin R. Oswald , Federico Tombari

Active stereo systems are used in many robotic applications that require 3D information. These depth sensors, however, suffer from stereo artefacts and do not provide dense depth estimates.In this work, we present the first self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Frederik Warburg , Daniel Hernandez-Juarez , Juan Tarrio , Alexander Vakhitov , Ujwal Bonde , Pablo F. Alcantarilla

Unsupervised methods have showed promising results on monocular depth estimation. However, the training data must be captured in scenes without moving objects. To push the envelope of accuracy, recent methods tend to increase their model…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Tak-Wai Hui

We present an unsupervised simultaneous learning framework for the task of monocular camera re-localization and depth estimation from unlabeled video sequences. Monocular camera re-localization refers to the task of estimating the absolute…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Shun Taguchi , Noriaki Hirose

Recent advances in geometric foundation models have emerged as a promising alternative for addressing the challenge of dense reconstruction in monocular visual simultaneous localization and mapping (SLAM). Although geometric foundation…

机器人学 · 计算机科学 2026-03-31 Jinwoo Jeon , Dong-Uk Seo , Eungchang Mason Lee , Hyun Myung

Depth maps produced by consumer-grade sensors suffer from inaccurate measurements and missing data from either system or scene-specific sources. Data-driven denoising algorithms can mitigate such problems. However, they require vast amounts…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Alexandre Duarte , Francisco Fernandes , João M. Pereira , Catarina Moreira , Jacinto C. Nascimento , Joaquim Jorge

The ability to accurately estimate depth information is crucial for many autonomous applications to recognize the surrounded environment and predict the depth of important objects. One of the most recently used techniques is monocular depth…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Ahmed Zaitoon , Hossam El Din Abd El Munim , Hazem Abbas

Estimating a depth map from a single RGB image has been investigated widely for localization, mapping, and 3-dimensional object detection. Recent studies on a single-view depth estimation are mostly based on deep Convolutional neural…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Dongseok Shim , H. Jin Kim

The representation of geometry in real-time 3D perception systems continues to be a critical research issue. Dense maps capture complete surface shape and can be augmented with semantic labels, but their high dimensionality makes them…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Michael Bloesch , Jan Czarnowski , Ronald Clark , Stefan Leutenegger , Andrew J. Davison

We introduce ConfidentSplat, a novel 3D Gaussian Splatting (3DGS)-based SLAM system for robust, highfidelity RGB-only reconstruction. Addressing geometric inaccuracies in existing RGB-only 3DGS SLAM methods that stem from unreliable depth…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Amanuel T. Dufera , Yuan-Li Cai