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Stereo matching and flow estimation are two essential tasks for scene understanding, spatially in 3D and temporally in motion. Existing approaches have been focused on the unsupervised setting due to the limited resource to obtain the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Hsueh-Ying Lai , Yi-Hsuan Tsai , Wei-Chen Chiu

We propose a hybrid method for stereo disparity estimation by combining block and region-based stereo matching approaches. It generates dense depth maps from disparity measurements of only 18 % image pixels (left or right). The methodology…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Subhayan Mukherjee , Ram Mohana Reddy Guddeti

Removing speckle noise from SAR images is still an open issue. It is well know that the interpretation of SAR images is very challenging and despeckling algorithms are necessary to improve the ability of extracting information. An urban…

Image and Video Processing · Electrical Eng. & Systems 2020-01-17 Giampaolo Ferraioli , Vito Pascazio , Sergio Vitale

This work presents dense stereo reconstruction using high-resolution images for infrastructure inspections. The state-of-the-art stereo reconstruction methods, both learning and non-learning ones, consume too much computational resource on…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Yaoyu Hu , Weikun Zhen , Sebastian Scherer

Learned confidence measures gain increasing importance for outlier removal and quality improvement in stereo vision. However, acquiring the necessary training data is typically a tedious and time consuming task that involves manual…

Computer Vision and Pattern Recognition · Computer Science 2016-04-19 Christian Mostegel , Markus Rumpler , Friedrich Fraundorfer , Horst Bischof

In the paper, region based stereo matching algorithms are developed for extraction depth information from two color stereo image pair. A filter eliminating unreliable disparity estimation was used for increasing reliability of the disparity…

Computer Vision and Pattern Recognition · Computer Science 2009-02-03 B. Baykant Alagoz

Despite the remarkable progress of deep learning in stereo matching, there exists a gap in accuracy between real-time models and slower state-of-the-art models which are suitable for practical applications. This paper presents an iterative…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Kumail Raza , René Schuster , Didier Stricker

Multiview stereo aims to reconstruct scene depth from images acquired by a camera under arbitrary motion. Recent methods address this problem through deep learning, which can utilize semantic cues to deal with challenges such as textureless…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Sunghoon Im , Hae-Gon Jeon , Stephen Lin , In So Kweon

Cost aggregation is a key component of stereo matching for high-quality depth estimation. Most methods use multi-scale processing to downsample cost volume for proper context information, but will cause loss of details when upsampling. In…

Computer Vision and Pattern Recognition · Computer Science 2020-06-08 Chengtang Yao , Yunde Jia , Huijun Di , Yuwei Wu , Lidong Yu

We introduce Double Cost Volume Stereo Matching Network(DCVSMNet) which is a novel architecture characterised by by two small upper (group-wise) and lower (norm correlation) cost volumes. Each cost volume is processed separately, and a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Mahmoud Tahmasebi , Saif Huq , Kevin Meehan , Marion McAfee

Existing deep learning based stereo matching methods either focus on achieving optimal performances on the target dataset while with poor generalization for other datasets or focus on handling the cross-domain generalization by suppressing…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Zhelun Shen , Yuchao Dai , Xibin Song , Zhibo Rao , Dingfu Zhou , Liangjun Zhang

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

In this work, we propose a learning-based method to denoise and refine disparity maps of a given stereo method. The proposed variational network arises naturally from unrolling the iterates of a proximal gradient method applied to a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-01 Patrick Knöbelreiter , Thomas Pock

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…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Guangyao Xu , Junfeng Fan , En Li , Xiaoyu Long , Rui Guo

Disparity prediction from stereo images is essential to computer vision applications including autonomous driving, 3D model reconstruction, and object detection. To predict accurate disparity map, we propose a novel deep learning…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Zhibo Rao , Mingyi He , Yuchao Dai , Zhidong Zhu , Bo Li , Renjie He

This paper proposes a novel algorithm to reassemble an arbitrarily shredded image to its original status. Existing reassembly pipelines commonly consist of a local matching stage and a global compositions stage. In the local stage, a key…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Canyu Le , Xin Li

Disparity estimation is a difficult problem in stereo vision because the correspondence technique fails in images with textureless and repetitive regions. Recent body of work using deep convolutional neural networks (CNN) overcomes this…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Rowel Atienza

Detecting the occlusion from stereo images or video frames is important to many computer vision applications. Previous efforts focus on bundling it with the computation of disparity or optical flow, leading to a chicken-and-egg problem. In…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Ang Li , Zejian Yuan

Recent methods in stereo matching have continuously improved the accuracy using deep models. This gain, however, is attained with a high increase in computation cost, such that the network may not fit even on a moderate GPU. This issue…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Faranak Shamsafar , Samuel Woerz , Rafia Rahim , Andreas Zell

The matching function for the problem of stereo reconstruction or optical flow has been traditionally designed as a function of the distance between the features describing matched pixels. This approach works under assumption, that the…

Computer Vision and Pattern Recognition · Computer Science 2015-02-04 Ľubor Ladický , Christian Häne , Marc Pollefeys
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