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In this paper, we present a decomposition model for stereo matching to solve the problem of excessive growth in computational cost (time and memory cost) as the resolution increases. In order to reduce the huge cost of stereo matching at…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Chengtang Yao , Yunde Jia , Huijun Di , Pengxiang Li , Yuwei Wu

Computationally efficient moving object detection and depth estimation from a stereo camera is an extremely useful tool for many computer vision applications, including robotics and autonomous driving. In this paper we show how moving…

机器人学 · 计算机科学 2018-09-24 Goran Popović , Antea Hadviger , Ivan Marković , Ivan Petrović

This paper introduces a new method for learning and inferring sparse representations of depth (disparity) maps. The proposed algorithm relaxes the usual assumption of the stationary noise model in sparse coding. This enables learning from…

计算机视觉与模式识别 · 计算机科学 2015-05-20 Ivana Tosic , Bruno A. Olshausen , Benjamin J. Culpepper

Exiting deep-learning based dense stereo matching methods often rely on ground-truth disparity maps as the training signals, which are however not always available in many situations. In this paper, we design a simple convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Yiran Zhong , Yuchao Dai , Hongdong Li

Despite stereo matching accuracy has greatly improved by deep learning in the last few years, recovering sharp boundaries and high-resolution outputs efficiently remains challenging. In this paper, we propose Stereo Mixture Density Networks…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Fabio Tosi , Yiyi Liao , Carolin Schmitt , Andreas Geiger

Although deep learning-based methods have dominated stereo matching leaderboards by yielding unprecedented disparity accuracy, their inference time is typically slow, on the order of seconds for a pair of 540p images. The main reason is…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Yiran Zhong , Charles Loop , Wonmin Byeon , Stan Birchfield , Yuchao Dai , Kaihao Zhang , Alexey Kamenev , Thomas Breuel , Hongdong Li , Jan Kautz

We present a method for extracting depth information from a rectified image pair. Our approach focuses on the first stage of many stereo algorithms: the matching cost computation. We approach the problem by learning a similarity measure on…

计算机视觉与模式识别 · 计算机科学 2016-05-19 Jure Žbontar , Yann LeCun

We introduce a novel architecture for neural disparity refinement aimed at facilitating deployment of 3D computer vision on cheap and widespread consumer devices, such as mobile phones. Our approach relies on a continuous formulation that…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Filippo Aleotti , Fabio Tosi , Pierluigi Zama Ramirez , Matteo Poggi , Samuele Salti , Stefano Mattoccia , Luigi Di Stefano

Stereo matching is the key step in estimating depth from two or more images. Recently, some tree-based non-local stereo matching methods have been proposed, which achieved state-of-the-art performance. The algorithms employed some tree…

计算机视觉与模式识别 · 计算机科学 2015-09-29 Xuan Luo , Xuejiao Bai , Shuo Li , Hongtao Lu , Sei-ichiro Kamata

This paper reports a CPU-level real-time stereo matching method for surgical images (10 Hz on 640 * 480 image with a single core of i5-9400). The proposed method is built on the fast ''dense inverse searching'' algorithm, which estimates…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Jingwei Song , Qiuchen Zhu , Jianyu Lin , Maani Ghaffari

We present a method for extracting depth information from a rectified image pair. We train a convolutional neural network to predict how well two image patches match and use it to compute the stereo matching cost. The cost is refined by…

计算机视觉与模式识别 · 计算机科学 2015-10-21 Jure Žbontar , Yann LeCun

Depth estimation is one of the key technologies in some fields such as autonomous driving and robot navigation. However, the traditional method of using a single sensor is inevitably limited by the performance of the sensor. Therefore, a…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Guangyao Xu , Junfeng Fan , En Li , Xiaoyu Long , Rui Guo

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…

计算机视觉与模式识别 · 计算机科学 2019-01-29 Vinay Kaushik , Brejesh Lall

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…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Shanglong Liu , Lin Qi , Junyu Dong , Wenxiang Gu , Liyi Xu

Stereo matching is an essential basis for various applications, but most stereo matching methods have poor generalization performance and require a fixed disparity search range. Moreover, current stereo matching methods focus on the scenes…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Jiazhi Liu , Feng Liu

Leveraging the disparity information from both left and right views is crucial for stereo disparity estimation. Left-right consistency check is an effective way to enhance the disparity estimation by referring to the information from the…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Zequn Jie , Pengfei Wang , Yonggen Ling , Bo Zhao , Yunchao Wei , Jiashi Feng , Wei Liu

This paper addresses the problem of range-stereo fusion, for the construction of high-resolution depth maps. In particular, we combine low-resolution depth data with high-resolution stereo data, in a maximum a posteriori (MAP) formulation.…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Georgios D. Evangelidis , Miles Hansard , Radu Horaud

Dense disparities among multiple views is essential for estimating the 3D architecture of a scene based on the geometrical relationship among the scene and the views or cameras. Scenes with larger extents of heterogeneous textures,…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Hanieh Shabanian , Madhusudhanan Balasubramanian

Stereo matching is one of the most popular techniques to estimate dense depth maps by finding the disparity between matching pixels on two, synchronized and rectified images. Alongside with the development of more accurate algorithms, the…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Matteo Poggi , Seungryong Kim , Fabio Tosi , Sunok Kim , Filippo Aleotti , Dongbo Min , Kwanghoon Sohn , Stefano Mattoccia

Deep stereo matching has made significant progress in recent years. However, state-of-the-art methods are based on expensive 4D cost volume, which limits their use in real-world applications. To address this issue, 3D correlation maps and…

计算机视觉与模式识别 · 计算机科学 2022-01-03 Xiaoming Zhao , Weihai Chen , Xingming Wu , Peter C. Y. Chen , Zhengguo Li