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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

The raw depth images captured by RGB-D cameras using Time-of-Flight (TOF) or structured light often suffer from incomplete depth values due to weak reflections, boundary shadows, and artifacts, which limit their applications in downstream…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Zihui Zhao , Yifei Zhang , Zheng Wang , Yang Li , Kui Jiang , Zihan Geng , Chia-Wen Lin

Most existing methods often rely on complex models to predict scene depth with high accuracy, resulting in slow inference that is not conducive to deployment. To better balance precision and speed, we first designed SmallDepth based on…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Fei Wang , Jun Cheng

Self-supervised monocular depth estimation has received much attention recently in computer vision. Most of the existing works in literature aggregate multi-scale features for depth prediction via either straightforward concatenation or…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Zhengming Zhou , Qiulei Dong

Reconstructing images using Computed Tomography (CT) in an industrial context leads to specific challenges that differ from those encountered in other areas, such as clinical CT. Indeed, non-destructive testing with industrial CT will often…

Image and Video Processing · Electrical Eng. & Systems 2024-12-02 Emilien Valat , Andreas Hauptmann , Ozan Öktem

Shape from Focus (SFF) is a depth reconstruction technique that estimates scene structure from focus variations observed across a focal stack, that is, a sequence of images captured at different focus settings. A key limitation of SFF…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Khurram Ashfaq , Muhammad Tariq Mahmood

Gated cameras hold promise as an alternative to scanning LiDAR sensors with high-resolution 3D depth that is robust to back-scatter in fog, snow, and rain. Instead of sequentially scanning a scene and directly recording depth via the photon…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Amanpreet Walia , Stefanie Walz , Mario Bijelic , Fahim Mannan , Frank Julca-Aguilar , Michael Langer , Werner Ritter , Felix Heide

Depth estimation from a monocular 360{\deg} image is a burgeoning problem owing to its holistic sensing of a scene. Recently, some methods, \eg, OmniFusion, have applied the tangent projection (TP) to represent a 360{\deg}image and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Hao Ai , Zidong cao , Yan-pei Cao , Ying Shan , Lin Wang

Scene Parsing is a crucial step to enable autonomous systems to understand and interact with their surroundings. Supervised deep learning methods have made great progress in solving scene parsing problems, however, come at the cost of…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Keng-Chi Liu , Yi-Ting Shen , Jan P. Klopp , Liang-Gee Chen

Self-supervised monocular depth estimation methods aim to be used in critical applications such as autonomous vehicles for environment analysis. To circumvent the potential imperfections of these approaches, a quantification of the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Rémi Marsal , Florian Chabot , Angelique Loesch , William Grolleau , Hichem Sahbi

Monocular depth estimation aims at estimating a pixelwise depth map for a single image, which has wide applications in scene understanding and autonomous driving. Existing supervised and unsupervised methods face great challenges.…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Xiaoyang Guo , Hongsheng Li , Shuai Yi , Jimmy Ren , Xiaogang Wang

We present a fast and accurate method for dense depth reconstruction from sparsely sampled light fields obtained using a synchronized camera array. In our method, the source images are over-segmented into non-overlapping compact superpixels…

Image and Video Processing · Electrical Eng. & Systems 2018-12-18 Aleksandra Chuchvara , Attila Barsi , Atanas Gotchev

With the rapid advancements in autonomous driving and robot navigation, there is a growing demand for lifelong learning models capable of estimating metric (absolute) depth. Lifelong learning approaches potentially offer significant cost…

Computer Vision and Pattern Recognition · Computer Science 2023-10-16 Junjie Hu , Chenyou Fan , Liguang Zhou , Qing Gao , Honghai Liu , Tin Lun Lam

RGBD images, combining high-resolution color and lower-resolution depth from various types of depth sensors, are increasingly common. One can significantly improve the resolution of depth maps by taking advantage of color information; deep…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Oleg Voynov , Alexey Artemov , Vage Egiazarian , Alexander Notchenko , Gleb Bobrovskikh , Denis Zorin , Evgeny Burnaev

Self-supervised monocular depth estimation has been a subject of intense study in recent years, because of its applications in robotics and autonomous driving. Much of the recent work focuses on improving depth estimation by increasing…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Kieran Saunders , George Vogiatzis , Luis J. Manso

Depth information is crucial for autonomous driving and intelligent robot navigation. The simplicity and flexibility of self-supervised monocular depth estimation are conducive to its role in these fields. However, most existing monocular…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Zeyu Cheng , Tongfei Liu , Tao Lei , Xiang Hua , Yi Zhang , Chengkai Tang

Depth completion recovers a dense depth map from sensor measurements. Current methods are mostly tailored for very sparse depth measurements from LiDARs in outdoor settings, while for indoor scenes Time-of-Flight (ToF) or structured light…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Dmitry Senushkin , Mikhail Romanov , Ilia Belikov , Anton Konushin , Nikolay Patakin

Accurate monocular depth estimation is crucial for 3D scene understanding, but existing methods often blur depth at object boundaries, introducing spurious intermediate 3D points. While achieving sharp edges usually requires very…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Aurélien Cecille , Stefan Duffner , Franck Davoine , Rémi Agier , Thibault Neveu

Due to the rise of spherical cameras, monocular 360 depth estimation becomes an important technique for many applications (e.g., autonomous systems). Thus, state-of-the-art frameworks for monocular 360 depth estimation such as bi-projection…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Fu-En Wang , Yu-Hsuan Yeh , Yi-Hsuan Tsai , Wei-Chen Chiu , Min Sun

Depth information is essential for on-board perception in autonomous driving and driver assistance. Monocular depth estimation (MDE) is very appealing since it allows for appearance and depth being on direct pixelwise correspondence without…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Akhil Gurram , Ahmet Faruk Tuna , Fengyi Shen , Onay Urfalioglu , Antonio M. López