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Monocular depth estimation (MDE) typically produces depth estimations that are defined up to an unknown scale or shift. When only sparse metric anchors are available, recovering accurate metric depth becomes challenging yet necessary for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Yuanyan Li , Matthias Althoff

Advances in deep learning recognition have led to accurate object detection with 2D images. However, these 2D perception methods are insufficient for complete 3D world information. Concurrently, advanced 3D shape estimation approaches focus…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Taeyeop Lee , Byeong-Uk Lee , Myungchul Kim , In So Kweon

Conventional depth-free multi-view datasets are captured using a moving monocular camera without metric calibration. The scales of camera positions in this monocular setting are ambiguous. Previous methods have acknowledged scale ambiguity…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Fereshteh Forghani , Jason J. Yu , Tristan Aumentado-Armstrong , Konstantinos G. Derpanis , Marcus A. Brubaker

Monocular depth estimation enables 3D perception from a single 2D image, thus attracting much research attention for years. Almost all methods treat foreground and background regions ("things and stuff") in an image equally. However, not…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Xinlong Wang , Wei Yin , Tao Kong , Yuning Jiang , Lei Li , Chunhua Shen

We present a generic framework for scale-aware direct monocular odometry based on depth prediction from a deep neural network. In contrast with previous methods where depth information is only partially exploited, we formulate a novel depth…

Robotics · Computer Science 2022-07-25 Carlos Campos , Juan D. Tardós

Existing self-supervised monocular depth estimation methods can get rid of expensive annotations and achieve promising results. However, these methods suffer from severe performance degradation when directly adopting a model trained on a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Mu He , Le Hui , Yikai Bian , Jian Ren , Jin Xie , Jian Yang

We introduce FaceCam, a system that generates video under customizable camera trajectories for monocular human portrait video input. Recent camera control approaches based on large video-generation models have shown promising progress but…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Weijie Lyu , Ming-Hsuan Yang , Zhixin Shu

We present a new paradigm for real-time object-oriented SLAM with a monocular camera. Contrary to previous approaches, that rely on object-level models, we construct category-level models from CAD collections which are now widely available.…

Robotics · Computer Science 2018-02-27 Parv Parkhiya , Rishabh Khawad , J. Krishna Murthy , Brojeshwar Bhowmick , K. Madhava Krishna

This study aims to analyze the benefits of improved multi-scale reasoning for object detection and localization with deep convolutional neural networks. To that end, an efficient and general object detection framework which operates on…

Computer Vision and Pattern Recognition · Computer Science 2016-07-28 Eshed Ohn-Bar , M. M. Trivedi

Scale ambiguity is a fundamental problem in monocular visual odometry. Typical solutions include loop closure detection and environment information mining. For applications like self-driving cars, loop closure is not always available, hence…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Rui Tian , Yunzhou Zhang , Delong Zhu , Shiwen Liang , Sonya Coleman , Dermot Kerr

Estimating precise metric depth and scene reconstruction from monocular endoscopy is a fundamental task for surgical navigation in robotic surgery. However, traditional stereo matching adopts binocular images to perceive the depth…

Robotics · Computer Science 2022-11-29 Ruofeng Wei , Bin Li , Hangjie Mo , Fangxun Zhong , Yonghao Long , Qi Dou , Yun-Hui Liu , Dong Sun

Monocular depth estimation has been actively studied in fields such as robot vision, autonomous driving, and 3D scene understanding. Given a sequence of color images, unsupervised learning methods based on the framework of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Songlin Wei , Guodong Chen , Wenzheng Chi , Zhenhua Wang , Lining Sun

Annotating videos with object segmentation masks typically involves a two stage procedure of drawing polygons per object instance for all the frames and then linking them through time. While simple, this is a very tedious, time consuming…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Namdar Homayounfar , Justin Liang , Wei-Chiu Ma , Raquel Urtasun

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…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Jiawei Mo , Junaed Sattar

Accurate and generalizable metric depth estimation is crucial for various computer vision applications but remains challenging due to the diverse depth scales encountered in indoor and outdoor environments. In this paper, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Tao Wen , Jiepeng Wang , Yabo Chen , Shugong Xu , Chi Zhang , Xuelong Li

Video depth estimation is crucial in various applications, such as scene reconstruction and augmented reality. In contrast to the naive method of estimating depths from images, a more sophisticated approach uses temporal information,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Elena Kosheleva , Sunil Jaiswal , Faranak Shamsafar , Noshaba Cheema , Klaus Illgner-Fehns , Philipp Slusallek

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…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Huangying Zhan , Chamara Saroj Weerasekera , Jia-Wang Bian , Ravi Garg , Ian Reid

Monocular 3D object tracking aims to estimate temporally consistent 3D object poses across video frames, enabling autonomous agents to reason about scene dynamics. However, existing state-of-the-art approaches are fully supervised and rely…

Robotics · Computer Science 2026-03-20 Nikhil Gosala , B. Ravi Kiran , Senthil Yogamani , Abhinav Valada

Reconstructing accurate 3D scenes from images is a long-standing vision task. Due to the ill-posedness of the single-image reconstruction problem, most well-established methods are built upon multi-view geometry. State-of-the-art (SOTA)…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Wei Yin , Chi Zhang , Hao Chen , Zhipeng Cai , Gang Yu , Kaixuan Wang , Xiaozhi Chen , Chunhua Shen

Unsupervised multi-object segmentation has shown impressive results on images by utilizing powerful semantics learned from self-supervised pretraining. An additional modality such as depth or motion is often used to facilitate the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Görkay Aydemir , Weidi Xie , Fatma Güney