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Accurate dense depth estimation is crucial for autonomous vehicles to analyze their environment. This paper presents a non-deep learning-based approach to densify a sparse LiDAR-based depth map using a guidance RGB image. To achieve this…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Bryan Krauss , Gregory Schroeder , Marko Gustke , Ahmed Hussein

Over the past few years, monocular depth estimation and completion have been paid more and more attention from the computer vision community because of their widespread applications. In this paper, we introduce novel physics…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Shuwei Shao , Zhongcai Pei , Weihai Chen , Peter C. Y. Chen , Zhengguo Li

As processing power has become more available, more human-like artificial intelligences are created to solve image processing tasks that we are inherently good at. As such we propose a model that estimates depth from a monocular image. Our…

计算机视觉与模式识别 · 计算机科学 2019-05-14 Fabian Truetsch , Alfred Schöttl

This work introduces an evaluation benchmark for depth estimation and completion using high-resolution depth measurements with angular resolution of up to 25" (arcsecond), akin to a 50 megapixel camera with per-pixel depth available.…

计算机视觉与模式识别 · 计算机科学 2019-12-09 Tobias Gruber , Mario Bijelic , Felix Heide , Werner Ritter , Klaus Dietmayer

Self-supervised multi-frame depth estimation achieves high accuracy by computing matching costs of pixel correspondences between adjacent frames, injecting geometric information into the network. These pixel-correspondence candidates are…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Antyanta Bangunharcana , Ahmed Magd , Kyung-Soo Kim

We present an approach to depth estimation that fuses information from a stereo pair with sparse range measurements derived from a LIDAR sensor or a range camera. The goal of this work is to exploit the complementary strengths of the two…

计算机视觉与模式识别 · 计算机科学 2018-09-21 Shreyas S. Shivakumar , Kartik Mohta , Bernd Pfrommer , Vijay Kumar , Camillo J. Taylor

Multi-frame depth estimation improves over single-frame approaches by also leveraging geometric relationships between images via feature matching, in addition to learning appearance-based features. In this paper we revisit feature matching…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Vitor Guizilini , Rares Ambrus , Dian Chen , Sergey Zakharov , Adrien Gaidon

Monocular depth estimation aims to recover the depth information of 3D scenes from 2D images. Recent work has made significant progress, but its reliance on large-scale datasets and complex decoders has limited its efficiency and…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Zeyu Ren , Zeyu Zhang , Wukai Li , Qingxiang Liu , Hao Tang

We describe a non-parametric, "example-based" method for estimating the depth of an object, viewed in a single photo. Our method consults a database of example 3D geometries, searching for those which look similar to the object in the…

计算机视觉与模式识别 · 计算机科学 2013-04-16 Tal Hassner , Ronen Basri

Neural networks have shown great abilities in estimating depth from a single image. However, the inferred depth maps are well below one-megapixel resolution and often lack fine-grained details, which limits their practicality. Our method…

计算机视觉与模式识别 · 计算机科学 2021-05-31 S. Mahdi H. Miangoleh , Sebastian Dille , Long Mai , Sylvain Paris , Yağız Aksoy

Predicting depth is an essential component in understanding the 3D geometry of a scene. While for stereo images local correspondence suffices for estimation, finding depth relations from a single image is less straightforward, requiring…

计算机视觉与模式识别 · 计算机科学 2014-06-10 David Eigen , Christian Puhrsch , Rob Fergus

Self-supervised monocular depth estimation networks are trained to predict scene depth using nearby frames as a supervision signal during training. However, for many applications, sequence information in the form of video frames is also…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Jamie Watson , Oisin Mac Aodha , Victor Prisacariu , Gabriel Brostow , Michael Firman

This work considers the problem of depth completion, with or without image data, where an algorithm may measure the depth of a prescribed limited number of pixels. The algorithmic challenge is to choose pixel positions strategically and…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Eyal Gofer , Shachar Praisler , Guy Gilboa

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…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jinchang Zhang , Guoyu Lu

Self-supervised monocular depth estimation (MDE) has gained popularity for obtaining depth predictions directly from videos. However, these methods often produce scale invariant results, unless additional training signals are provided.…

计算机视觉与模式识别 · 计算机科学 2025-12-05 Gasser Elazab , Torben Gräber , Michael Unterreiner , Olaf Hellwich

This paper proposes a depth estimation method using radar-image fusion by addressing the uncertain vertical directions of sparse radar measurements. In prior radar-image fusion work, image features are merged with the uncertain sparse…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Masaya Kotani , Takeru Oba , Norimichi Ukita

Depth acquisition, based on active illumination, is essential for autonomous and robotic navigation. LiDARs (Light Detection And Ranging) with mechanical, fixed, sampling templates are commonly used in today's autonomous vehicles. An…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Adam Wolff , Shachar Praisler , Ilya Tcenov , Guy Gilboa

The depth of a visible surface of a scene is the distance between the surface and the sensor. Recovering depth information from two-dimensional images of a scene is an important task in computer vision that can assist numerous applications…

计算机视觉与模式识别 · 计算机科学 2010-12-30 Kaushik K Tiwari

Estimating the depth of omnidirectional images is more challenging than that of normal field-of-view (NFoV) images because the varying distortion can significantly twist an object's shape. The existing methods suffer from troublesome…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Zhijie Shen , Chunyu Lin , Lang Nie , Kang Liao , Yao zhao

We present a novel real-time visual odometry framework for a stereo setup of a depth and high-resolution event camera. Our framework balances accuracy and robustness against computational efficiency towards strong performance in challenging…

机器人学 · 计算机科学 2022-02-08 Yi-Fan Zuo , Jiaqi Yang , Jiaben Chen , Xia Wang , Yifu Wang , Laurent Kneip