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Standard transformer-based language models, while powerful for general text, often struggle with the fine-grained syntax and entity relationships in complex technical, engineering documents. To address this, we propose the Contextual Graph…

Computation and Language · Computer Science 2025-08-05 Karan Reddy , Mayukha Pal

Recent convolutional neural networks, especially end-to-end disparity estimation models, achieve remarkable performance on stereo matching task. However, existed methods, even with the complicated cascade structure, may fail in the regions…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Xiao Song , Xu Zhao , Hanwen Hu , Liangji Fang

Stereo matching algorithms usually consist of four steps, including matching cost calculation, matching cost aggregation, disparity calculation, and disparity refinement. Existing CNN-based methods only adopt CNN to solve parts of the four…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Zhengfa Liang , Yiliu Feng , Yulan Guo , Hengzhu Liu , Wei Chen , Linbo Qiao , Li Zhou , Jianfeng Zhang

Stereo matching is a fundamental task in scene comprehension. In recent years, the method based on iterative optimization has shown promise in stereo matching. However, the current iteration framework employs a single-peak lookup, which…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Miaojie Feng , Junda Cheng , Hao Jia , Longliang Liu , Gangwei Xu , Qingyong Hu , Xin Yang

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

Stereo matching has become a key technique for 3D environment perception in intelligent vehicles. For a considerable time, convolutional neural networks (CNNs) have remained the mainstream choice for feature extraction in this domain.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Chuang-Wei Liu , Qijun Chen , Rui Fan

Deep networks for stereo matching typically leverage 2D or 3D convolutional encoder-decoder architectures to aggregate cost and regularize the cost volume for accurate disparity estimation. Due to content-insensitive convolutions and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Changjiang Cai , Philippos Mordohai

A critical challenge to image-text retrieval is how to learn accurate correspondences between images and texts. Most existing methods mainly focus on coarse-grained correspondences based on co-occurrences of semantic objects, while failing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Guoliang Wang , Yanlei Shang , Yong Chen

Fast and accurate depth estimation, or stereo matching, is essential in embedded stereo vision systems, requiring substantial design effort to achieve an appropriate balance among accuracy, speed and hardware cost. To reduce the design…

Computer Vision and Pattern Recognition · Computer Science 2020-07-02 Jieru Zhao , Tingyuan Liang , Liang Feng , Wenchao Ding , Sharad Sinha , Wei Zhang , Shaojie Shen

We propose a novel lightweight network for stereo estimation. Our network consists of a fully-convolutional densely connected neural network (FC-DCNN) that computes matching costs between rectified image pairs. Our FC-DCNN method learns…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Dominik Hirner , Friedrich Fraundorfer

Stereo matching is an important problem in computer vision which has drawn tremendous research attention for decades. Recent years, data-driven methods with convolutional neural networks (CNNs) are continuously pushing stereo matching to…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Ju He , Enyu Zhou , Liusheng Sun , Fei Lei , Chenyang Liu , Wenxiu Sun

Convolutional neural networks(CNN) have been shown to perform better than the conventional stereo algorithms for stereo estimation. Numerous efforts focus on the pixel-wise matching cost computation, which is the important building block…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Haihua Lu , Hai Xu , Li Zhang , Yong Zhao

We propose a system that uses a convolution neural network (CNN) to estimate depth from a stereo pair followed by volumetric fusion of the predicted depth maps to produce a 3D reconstruction of a scene. Our proposed depth refinement…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Rohan Chabra , Julian Straub , Chris Sweeney , Richard Newcombe , Henry Fuchs

Deep Learning based stereo matching methods have shown great successes and achieved top scores across different benchmarks. However, like most data-driven methods, existing deep stereo matching networks suffer from some well-known drawbacks…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Yiran Zhong , Hongdong Li , Yuchao Dai

Deep neural networks have shown excellent performance in stereo matching task. Recently CNN-based methods have shown that stereo matching can be formulated as a supervised learning task. However, less attention is paid on the fusion of…

Computer Vision and Pattern Recognition · Computer Science 2019-06-26 Li Zhang , Quanhong Wang , Haihua Lu , Yong Zhao

Depth completion is a popular research direction in the field of depth estimation. The fusion of color and depth features is the current critical challenge in this task, mainly due to the asymmetry between the rich scene details in color…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Xiaogang Jia , Songlei Jian , Yusong Tan , Yonggang Che , Wei Chen , Zhengfa Liang

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

Stereo matching for inland waterways is one of the key technologies for the autonomous navigation of Unmanned Surface Vehicles (USVs), which involves dividing the stereo images into reference images and target images for pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Jing Su , Yiqing Zhou , Yu Zhang , Chao Wang , Yi Wei

Multi-view Stereo (MVS) aims to estimate depth and reconstruct 3D point clouds from a series of overlapping images. Recent learning-based MVS frameworks overlook the geometric information embedded in features and correlations, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Yuxi Hu , Jun Zhang , Zhe Zhang , Rafael Weilharter , Yuchen Rao , Kuangyi Chen , Runze Yuan , Friedrich Fraundorfer

Vision Graph Neural Networks (ViGs) have demonstrated promising performance in image recognition tasks against Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs). An essential part of the ViG framework is the node-neighbor…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Hakan Emre Gedik , Andrew Martin , Mustafa Munir , Oguzhan Baser , Radu Marculescu , Sandeep P. Chinchali , Alan C. Bovik