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The task of image segmentation is to classify each pixel in the image based on the appropriate label. Various deep learning approaches have been proposed for image segmentation that offers high accuracy and deep architecture. However, the…

Image and Video Processing · Electrical Eng. & Systems 2022-12-29 Lukman Hakim , Takio Kurita

We develop a deep architecture to learn to find good correspondences for wide-baseline stereo. Given a set of putative sparse matches and the camera intrinsics, we train our network in an end-to-end fashion to label the correspondences as…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Kwang Moo Yi , Eduard Trulls , Yuki Ono , Vincent Lepetit , Mathieu Salzmann , Pascal Fua

Existing works often focus on reducing the architecture redundancy for accelerating image classification but ignore the spatial redundancy of the input image. This paper proposes an efficient image classification pipeline to solve this…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Chuanguang Yang , Zhulin An , Yongjun Xu

Visual localization is the task of estimating a 6-DoF camera pose of a query image within a provided 3D reference map. Thanks to recent advances in various 3D sensors, 3D point clouds are becoming a more accurate and affordable option for…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Minjung Kim , Junseo Koo , Gunhee Kim

This paper tackles the unsupervised depth estimation task in indoor environments. The task is extremely challenging because of the vast areas of non-texture regions in these scenes. These areas could overwhelm the optimization process in…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Zehao Yu , Lei Jin , Shenghua Gao

Multi-person pose estimation in images and videos is an important yet challenging task with many applications. Despite the large improvements in human pose estimation enabled by the development of convolutional neural networks, there still…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Mihai Fieraru , Anna Khoreva , Leonid Pishchulin , Bernt Schiele

We propose a novel unsupervised learning approach to 3D shape correspondence that builds a multiscale matching pipeline into a deep neural network. This approach is based on smooth shells, the current state-of-the-art axiomatic…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Marvin Eisenberger , Aysim Toker , Laura Leal-Taixé , Daniel Cremers

We present a novel means of describing local image appearances using binary strings. Binary descriptors have drawn increasing interest in recent years due to their speed and low memory footprint. A known shortcoming of these representations…

Computer Vision and Pattern Recognition · Computer Science 2015-01-16 Gil Levi , Tal Hassner

Local features e.g. SIFT and its affine and learned variants provide region-to-region rather than point-to-point correspondences. This has recently been exploited to create new minimal solvers for classical problems such as homography,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Daniel Barath , Michal Polic , Wolfgang Förstner , Torsten Sattler , Tomas Pajdla , Zuzana Kukelova

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…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Antyanta Bangunharcana , Ahmed Magd , Kyung-Soo Kim

Semi-dense feature matching methods have been significantly advanced by leveraging attention mechanisms to extract discriminative descriptors. However, most existing approaches treat all pixels equally during attention computations, which…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Dongyue Li

We introduce \emph{ReMatching}, a novel shape correspondence solution based on the functional maps framework. Our method, by exploiting a new and appropriate \emph{re}-meshing paradigm, can target shape-\emph{matching} tasks even on meshes…

Graphics · Computer Science 2025-03-14 Filippo Maggioli , Daniele Baieri , Emanuele Rodolà , Simone Melzi

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

Fine-grained classification is challenging because categories can only be discriminated by subtle and local differences. Variances in the pose, scale or rotation usually make the problem more difficult. Most fine-grained classification…

Computer Vision and Pattern Recognition · Computer Science 2014-11-25 Tianjun Xiao , Yichong Xu , Kuiyuan Yang , Jiaxing Zhang , Yuxin Peng , Zheng Zhang

Correspondence selection aims to correctly select the consistent matches (inliers) from an initial set of putative correspondences. The selection is challenging since putative matches are typically extremely unbalanced, largely dominated by…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Chen Zhao , Yixiao Ge , Feng Zhu , Rui Zhao , Hongsheng Li , Mathieu Salzmann

In this work we address the problem of finding reliable pixel-level correspondences under difficult imaging conditions. We propose an approach where a single convolutional neural network plays a dual role: It is simultaneously a dense…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Mihai Dusmanu , Ignacio Rocco , Tomas Pajdla , Marc Pollefeys , Josef Sivic , Akihiko Torii , Torsten Sattler

Establishing the correct correspondence of feature points is a fundamental task in computer vision. However, the presence of numerous outliers among the feature points can significantly affect the matching results, reducing the accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Shuyuan Lin , Yu Guo , Xiao Chen , Yanjie Liang , Guobao Xiao , Feiran Huang

To parse images into fine-grained semantic parts, the complex fine-grained elements will put it in trouble when using off-the-shelf semantic segmentation networks. In this paper, for image parsing task, we propose to parse images from…

Computer Vision and Pattern Recognition · Computer Science 2018-04-24 Jiagao Hu , Zhengxing Sun , Yunhan Sun , Jinlong Shi

Establishing visual correspondences under large intra-class variations requires analyzing images at different levels, from features linked to semantics and context to local patterns, while being invariant to instance-specific details. To…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Juhong Min , Jongmin Lee , Jean Ponce , Minsu Cho

Multi-view depth estimation plays a critical role in reconstructing and understanding the 3D world. Recent learning-based methods have made significant progress in it. However, multi-view depth estimation is fundamentally a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Kai Cheng , Hao Chen , Wei Yin , Guangkai Xu , Xuejin Chen