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Related papers: Enhanced Scale-aware Depth Estimation for Monocula…

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Accurately perceiving location and scene is crucial for autonomous driving and mobile robots. Recent advances in deep learning have made it possible to learn egomotion and depth from monocular images in a self-supervised manner, without…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Hao Qu , Lilian Zhang , Xiaoping Hu , Xiaofeng He , Xianfei Pan , Changhao Chen

Estimating depth from a single image is a challenging visual task. Compared to relative depth estimation, metric depth estimation attracts more attention due to its practical physical significance and critical applications in real-life…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Ruijie Zhu , Chuxin Wang , Ziyang Song , Li Liu , Tianzhu Zhang , Yongdong Zhang

Monocular depth estimation in endoscopy videos can enable assistive and robotic surgery to obtain better coverage of the organ and detection of various health issues. Despite promising progress on mainstream, natural image depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Akshay Paruchuri , Samuel Ehrenstein , Shuxian Wang , Inbar Fried , Stephen M. Pizer , Marc Niethammer , Roni Sengupta

Accurate monocular metric depth estimation (MMDE) is crucial to solving downstream tasks in 3D perception and modeling. However, the remarkable accuracy of recent MMDE methods is confined to their training domains. These methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Luigi Piccinelli , Yung-Hsu Yang , Christos Sakaridis , Mattia Segu , Siyuan Li , Luc Van Gool , Fisher Yu

Recovering the absolute metric scale from a monocular camera is a challenging but highly desirable problem for monocular camera-based systems. By using different kinds of cues, various approaches have been proposed for scale estimation,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Dingfu Zhou , Yuchao Dai , Hongdong Li

It has long been an ill-posed problem to predict absolute depth maps from single images in real (unseen) indoor scenes. We observe that it is essentially due to not only the scale-ambiguous problem but also the focal-ambiguous problem that…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Chengrui Wei , Meng Yang , Lei He , Nanning Zheng

Depth estimation from monocular endoscopic images presents significant challenges due to the complexity of endoscopic surgery, such as irregular shapes of human soft tissues, as well as variations in lighting conditions. Existing methods…

Image and Video Processing · Electrical Eng. & Systems 2025-02-07 Dawei Lu , Deqiang Xiao , Danni Ai , Jingfan Fan , Tianyu Fu , Yucong Lin , Hong Song , Xujiong Ye , Lei Zhang , Jian Yang

Monocular depth prediction plays a crucial role in understanding 3D scene geometry. Although recent methods have achieved impressive progress in terms of evaluation metrics such as the pixel-wise relative error, most methods neglect the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Wei Yin , Yifan Liu , Chunhua Shen

Monocular depth estimation (MDE) is a critical task to guide autonomous medical robots. However, obtaining absolute (metric) depth from an endoscopy camera in surgical scenes is difficult, which limits supervised learning of depth on real…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Hao Li , Daiwei Lu , Jesse d'Almeida , Dilara Isik , Ehsan Khodapanah Aghdam , Nick DiSanto , Ayberk Acar , Susheela Sharma , Jie Ying Wu , Robert J. Webster , Ipek Oguz

Accurate monocular metric depth estimation (MMDE) is crucial to solving downstream tasks in 3D perception and modeling. However, the remarkable accuracy of recent MMDE methods is confined to their training domains. These methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Luigi Piccinelli , Christos Sakaridis , Yung-Hsu Yang , Mattia Segu , Siyuan Li , Wim Abbeloos , Luc Van Gool

Depth estimation is a core problem in robotic perception and vision tasks, but 3D reconstruction from a single image presents inherent uncertainties. Current depth estimation models primarily rely on inter-image relationships for supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jinchang Zhang , Guoyu Lu

Disconnectivity and distortion are the two problems which must be coped with when processing 360 degrees equirectangular images. In this paper, we propose a method of estimating the depth of monocular panoramic image with a teacher-student…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jingguo Liu , Yijun Xu , Shigang Li , Jianfeng Li

Purpose: Monocular depth estimation (MDE) is vital for scene understanding in minimally invasive surgery (MIS). However, endoscopic video sequences are often contaminated by smoke, specular reflections, blur, and occlusions, limiting the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Muhammad Asad , Emanuele Colleoni , Pritesh Mehta , Nicolas Toussaint , Ricardo Sanchez-Matilla , Maria Robu , Faisal Bashir , Rahim Mohammadi , Imanol Luengo , Danail Stoyanov

Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the endoscope pose is a key component, but remains challenging due…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Michel Hayoz , Christopher Hahne , Mathias Gallardo , Daniel Candinas , Thomas Kurmann , Maximilian Allan , Raphael Sznitman

Unsupervised monocular depth and ego-motion estimation has drawn extensive research attention in recent years. Although current methods have reached a high up-to-scale accuracy, they usually fail to learn the true scale metric due to the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Sen Zhang , Jing Zhang , Dacheng Tao

Full surround monodepth (FSM) methods can learn from multiple camera views simultaneously in a self-supervised manner to predict the scale-aware depth, which is more practical for real-world applications in contrast to scale-ambiguous depth…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yuchen Yang , Xinyi Wang , Dong Li , Lu Tian , Ashish Sirasao , Xun Yang

360{\deg} cameras can capture complete environments in a single shot, which makes 360{\deg} imagery alluring in many computer vision tasks. However, monocular depth estimation remains a challenge for 360{\deg} data, particularly for high…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Manuel Rey-Area , Mingze Yuan , Christian Richardt

Depth estimation from monocular images is a challenging problem in computer vision. In this paper, we tackle this problem using a novel network architecture using multi scale feature fusion. Our network uses two different blocks, first…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Abhinav Sagar

Depth estimation is a crucial step for image-guided intervention in robotic surgery and laparoscopic imaging system. Since per-pixel depth ground truth is difficult to acquire for laparoscopic image data, it is rarely possible to apply…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Baoru Huang , Jian-Qing Zheng , Anh Nguyen , Chi Xu , Ioannis Gkouzionis , Kunal Vyas , David Tuch , Stamatia Giannarou , Daniel S. Elson

The task of 3D semantic scene completion using monocular cameras is gaining significant attention in the field of autonomous driving. This task aims to predict the occupancy status and semantic labels of each voxel in a 3D scene from…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Jiawei Yao , Jusheng Zhang , Xiaochao Pan , Tong Wu , Canran Xiao