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Depth Estimation has wide reaching applications in the field of Computer vision such as target tracking, augmented reality, and self-driving cars. The goal of Monocular Depth Estimation is to predict the depth map, given a 2D monocular RGB…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Mayank Poddar , Akash Mishra , Mohit Kewlani , Haoyang Pei

Current discriminative depth estimation methods often produce blurry artifacts, while generative approaches suffer from slow sampling due to curvatures in the noise-to-depth transport. Our method addresses these challenges by framing depth…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Ming Gui , Johannes Schusterbauer , Ulrich Prestel , Pingchuan Ma , Dmytro Kotovenko , Olga Grebenkova , Stefan Andreas Baumann , Vincent Tao Hu , Björn Ommer

The monocular depth estimation task has recently revealed encouraging prospects, especially for the autonomous driving task. To tackle the ill-posed problem of 3D geometric reasoning from 2D monocular images, multi-frame monocular methods…

Computer Vision and Pattern Recognition · Computer Science 2023-05-15 Zizhang Wu , Zhuozheng Li , Zhi-Gang Fan , Yunzhe Wu , Yuanzhu Gan , Jian Pu , Xianzhi Li

This work presents EndoStreamDepth, a monocular depth estimation framework for endoscopic video streams. It provides accurate depth maps with sharp anatomical boundaries for each frame, temporally consistent predictions across frames, and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Hao Li , Daiwei Lu , Jiacheng Wang , Robert J. Webster , Ipek Oguz

We propose to incorporate feature correlation and sequential processing into dense optical flow estimation from event cameras. Modern frame-based optical flow methods heavily rely on matching costs computed from feature correlation. In…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Mathias Gehrig , Mario Millhäusler , Daniel Gehrig , Davide Scaramuzza

Event cameras provide asynchronous, data-driven measurements of local temporal contrast over a large dynamic range with extremely high temporal resolution. Conventional cameras capture low-frequency reference intensity information. These…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Cedric Scheerlinck , Nick Barnes , Robert Mahony

Event camera sensors are bio-inspired sensors which asynchronously capture per-pixel brightness changes and output a stream of events encoding the polarity, location and time of these changes. These systems are witnessing rapid advancements…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Aupendu Kar , Vishnu Raj , Guan-Ming Su

This work delves into unsupervised monocular depth estimation in endoscopy, which leverages adjacent frames to establish a supervisory signal during the training phase. For many clinical applications, e.g., surgical navigation, temporally…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Shuwei Shao , Zhongcai Pei , Weihai Chen , Xingming Wu , Zhong Liu

This paper presents an edge-based defocus blur estimation method from a single defocused image. We first distinguish edges that lie at depth discontinuities (called depth edges, for which the blur estimate is ambiguous) from edges that lie…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Ali Karaali , Naomi Harte , Claudio Rosito Jung

Event cameras, with their high dynamic range (HDR) and low latency, offer a promising alternative for robust depth estimation in challenging environments. However, many event-based depth estimation approaches are constrained by small-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Sadiq Layi Macaulay , Nimet Kaygusuz , Simon Hadfield

The great potential of unsupervised monocular depth estimation has been demonstrated by many works due to low annotation cost and impressive accuracy comparable to supervised methods. To further improve the performance, recent works mainly…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Junyu Zhu , Lina Liu , Yong Liu , Wanlong Li , Feng Wen , Hongbo Zhang

In this paper, we explore the problem of event-based meshflow estimation, a novel task that involves predicting a spatially smooth sparse motion field from event cameras. To start, we review the state-of-the-art in event-based flow…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Xinglong Luo , Ao Luo , Kunming Luo , Zhengning Wang , Ping Tan , Bing Zeng , Shuaicheng Liu

Recovering the scene depth from a single image is an ill-posed problem that requires additional priors, often referred to as monocular depth cues, to disambiguate different 3D interpretations. In recent works, those priors have been learned…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Lam Huynh , Phong Nguyen-Ha , Jiri Matas , Esa Rahtu , Janne Heikkila

Event cameras provide microsecond latency, making them suitable for 6D object pose tracking in fast, dynamic scenes where conventional RGB and depth pipelines suffer from motion blur and large pixel displacements. We introduce EventTrack6D,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Jae-Young Kang , Hoonhee Cho , Taeyeop Lee , Minjun Kang , Bowen Wen , Youngho Kim , Kuk-Jin Yoon

Previous deep image registration methods that employ single homography, multi-grid homography, or thin-plate spline often struggle with real scenes containing depth disparities due to their inherent limitations. To address this, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Haokai Zhu , Bo Qu , Si-Yuan Cao , Runmin Zhang , Shujie Chen , Bailin Yang , Hui-Liang Shen

An event camera detects per-pixel intensity difference and produces asynchronous event stream with low latency, high dynamic range, and low power consumption. As a trade-off, the event camera has low spatial resolution. We propose an…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 S. Mohammad Mostafavi I. , Jonghyun Choi , Kuk-Jin Yoon

Autofocus is an important task for digital cameras, yet current approaches often exhibit poor performance. We propose a learning-based approach to this problem, and provide a realistic dataset of sufficient size for effective learning. Our…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Charles Herrmann , Richard Strong Bowen , Neal Wadhwa , Rahul Garg , Qiurui He , Jonathan T. Barron , Ramin Zabih

Depth completion involves predicting dense depth maps from sparse LiDAR inputs. However, sparse depth annotations from sensors limit the availability of dense supervision, which is necessary for learning detailed geometric features. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Yingping Liang , Yutao Hu , Wenqi Shao , Ying Fu

In this paper, we explore the possibility of achieving a more accurate depth estimation by fusing monocular images and Radar points using a deep neural network. We give a comprehensive study of the fusion between RGB images and Radar…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Juan-Ting Lin , Dengxin Dai , Luc Van Gool

Image-based depth estimation has gained significant attention in recent research on computer vision for autonomous vehicles in intelligent transportation systems. This focus stems from its cost-effectiveness and wide range of potential…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Elton F. de S. Soares , Carlos Alberto V. Campos