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Disparity by Block Matching stereo is usually used in applications with limited computational power in order to get depth estimates. However, the research on simple stereo methods has been lesser than the energy based counterparts which…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Vinay Kaushik , Brejesh Lall

Deep learning (DL) stereo matching methods gained great attention in remote sensing satellite datasets. However, most of these existing studies conclude assessments based only on a few/single stereo images lacking a systematic evaluation on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Hessah Albanwan , Rongjun Qin

In this work, we concentrate on exciting the intrinsic local consistency of stereo matching through the incorporation of superpixel soft constraints, with the objective of mitigating inaccuracies at the boundaries of predicted disparity…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Shanglong Liu , Lin Qi , Junyu Dong , Wenxiang Gu , Liyi Xu

We present an improved three-step pipeline for the stereo matching problem and introduce multiple novelties at each stage. We propose a new highway network architecture for computing the matching cost at each possible disparity, based on…

Computer Vision and Pattern Recognition · Computer Science 2017-01-03 Amit Shaked , Lior Wolf

In this paper, we present Shift Convolution Network (ShiftConvNet) to provide matching capability between two feature maps for stereo estimation. The proposed method can speedily produce a highly accurate disparity map from stereo images. A…

Computer Vision and Pattern Recognition · Computer Science 2019-11-21 Jian Xie

This work introduces a novel method for surface normal estimation from rectified stereo image pairs, leveraging affine transformations derived from disparity values to achieve fast and accurate results. We demonstrate how the rectification…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Csongor Csanad Kariko , Muhammad Rafi Faisal , Levente Hajder

We revisit the problem of visual depth estimation in the context of autonomous vehicles. Despite the progress on monocular depth estimation in recent years, we show that the gap between monocular and stereo depth accuracy remains large$-$a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Nikolai Smolyanskiy , Alexey Kamenev , Stan Birchfield

Dense, robust and real-time computation of depth information from stereo-camera systems is a computationally demanding requirement for robotics, advanced driver assistance systems (ADAS) and autonomous vehicles. Semi-Global Matching (SGM)…

Computer Vision and Pattern Recognition · Computer Science 2016-10-14 Daniel Hernandez-Juarez , Alejandro Chacón , Antonio Espinosa , David Vázquez , Juan Carlos Moure , Antonio Manuel López

Disparity/depth estimation from sequences of stereo images is an important element in 3D vision. Owing to occlusions, imperfect settings and homogeneous luminance, accurate estimate of depth remains a challenging problem. Targetting view…

Image and Video Processing · Electrical Eng. & Systems 2020-03-17 Nantheera Anantrasirichai , Majid Geravand , David Braendler , David R. Bull

In this paper, we propose a low error rate and real-time stereo vision system on GPU. Many stereo vision systems on GPU have been proposed to date. In those systems, the error rates and the processing speed are in trade-off relationship. We…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Qiong Chang , Tsutomu Maruyama

Stereo matching has emerged as a cost-effective solution for road surface 3D reconstruction, garnering significant attention towards improving both computational efficiency and accuracy. This article introduces decisive disparity diffusion…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Chuang-Wei Liu , Yikang Zhang , Qijun Chen , Ioannis Pitas , Rui Fan

With the advent of convolutional neural networks, stereo matching algorithms have recently gained tremendous progress. However, it remains a great challenge to accurately extract disparities from real-world image pairs taken by…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Jiankun Li , Peisen Wang , Pengfei Xiong , Tao Cai , Ziwei Yan , Lei Yang , Jiangyu Liu , Haoqiang Fan , Shuaicheng Liu

Recently, end-to-end trainable deep neural networks have significantly improved stereo depth estimation for perspective images. However, 360{\deg} images captured under equirectangular projection cannot benefit from directly adopting…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Ning-Hsu Wang , Bolivar Solarte , Yi-Hsuan Tsai , Wei-Chen Chiu , Min Sun

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…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Shreyas S. Shivakumar , Kartik Mohta , Bernd Pfrommer , Vijay Kumar , Camillo J. Taylor

We introduce Stereo Risk, a new deep-learning approach to solve the classical stereo-matching problem in computer vision. As it is well-known that stereo matching boils down to a per-pixel disparity estimation problem, the popular…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Ce Liu , Suryansh Kumar , Shuhang Gu , Radu Timofte , Yao Yao , Luc Van Gool

Convolutional neural network (CNN)-based stereo matching approaches generally require a dense cost volume (DCV) for disparity estimation. However, generating such cost volumes is computationally-intensive and memory-consuming, hindering CNN…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Hengli Wang , Rui Fan , Ming Liu

Depth estimation from stereo images remains a challenge even though studied for decades. The KITTI benchmark shows that the state-of-the-art solutions offer accurate depth estimation, but are still computationally complex and often require…

Robotics · Computer Science 2017-08-22 Luka Fućek , Ivan Marković , Igor Cvišić , Ivan Petrović

Depth estimation based on stereo matching is a classic but popular computer vision problem, which has a wide range of real-world applications. Current stereo matching methods generally adopt the deep Siamese neural network architecture, and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Xingguang Jiang , Xiaofeng Bian , Chenggang Guo

An accurate depth map of the environment is critical to the safe operation of autonomous robots and vehicles. Currently, either light detection and ranging (LIDAR) or stereo matching algorithms are used to acquire such depth information.…

This paper presents HITNet, a novel neural network architecture for real-time stereo matching. Contrary to many recent neural network approaches that operate on a full cost volume and rely on 3D convolutions, our approach does not…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Vladimir Tankovich , Christian Häne , Yinda Zhang , Adarsh Kowdle , Sean Fanello , Sofien Bouaziz