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Regional dropout strategies have been proposed to enhance the performance of convolutional neural network classifiers. They have proved to be effective for guiding the model to attend on less discriminative parts of objects (e.g. leg as…

Computer Vision and Pattern Recognition · Computer Science 2019-08-11 Sangdoo Yun , Dongyoon Han , Seong Joon Oh , Sanghyuk Chun , Junsuk Choe , Youngjoon Yoo

Establishing a sparse set of keypoint correspon dences between images is a fundamental task in many computer vision pipelines. Often, this translates into a computationally expensive nearest neighbor search, where every keypoint descriptor…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Emanuele Santellani , Christian Sormann , Mattia Rossi , Andreas Kuhn , Friedrich Fraundorfer

In our prior work, LayerPipe, we had introduced an approach to accelerate training of convolutional, fully connected, and spiking neural networks by overlapping forward and backward computation. However, despite empirical success, a…

Machine Learning · Computer Science 2026-04-21 Nanda K. Unnikrishnan , Keshab K. Parhi

We present a simple and efficient method for refining maps or correspondences by iterative upsampling in the spectral domain that can be implemented in a few lines of code. Our main observation is that high quality maps can be obtained even…

Graphics · Computer Science 2019-09-13 Simone Melzi , Jing Ren , Emanuele Rodolà , Abhishek Sharma , Peter Wonka , Maks Ovsjanikov

We address the problem of determining correspondences between two images in agreement with a geometric model such as an affine or thin-plate spline transformation, and estimating its parameters. The contributions of this work are…

Computer Vision and Pattern Recognition · Computer Science 2017-04-17 Ignacio Rocco , Relja Arandjelović , Josef Sivic

In this paper a deterministic preprocessing algorithm is presented, whose output can be given as input to most state-of-the-art epipolar geometry estimation algorithms, improving their results considerably. They are now able to succeed on…

Computer Vision and Pattern Recognition · Computer Science 2015-01-28 Maria Kushnir , Ilan Shimshoni

Visual Place Recognition (VPR) is a critical task in computer vision, traditionally enhanced by re-ranking retrieval results with image matching. However, recent advancements in VPR methods have significantly improved performance,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Davide Sferrazza , Gabriele Berton , Gabriele Trivigno , Carlo Masone

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…

Computer Vision and Pattern Recognition · Computer Science 2016-05-19 Jure Žbontar , Yann LeCun

Automatic color enhancement is aimed to adaptively adjust photos to expected styles and tones. For current learned methods in this field, global harmonious perception and local details are hard to be well-considered in a single model…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Chaowei Shan , Zhizheng Zhang , Zhibo Chen

A common problem for composite images is the incompatibility of their foreground and background components. Image harmonization aims to solve this problem, making the whole image look more authentic and coherent. Most existing solutions…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Karen Efremyan , Elizaveta Petrova , Evgeny Kaskov , Alexander Kapitanov

The question of representation of 3D geometry is of vital importance when it comes to leveraging the recent advances in the field of machine learning for geometry processing tasks. For common unstructured surface meshes state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Isaak Lim , Alexander Dielen , Marcel Campen , Leif Kobbelt

We propose a three-stage 6 DoF object detection method called DPODv2 (Dense Pose Object Detector) that relies on dense correspondences. We combine a 2D object detector with a dense correspondence estimation network and a multi-view pose…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Ivan Shugurov , Sergey Zakharov , Slobodan Ilic

Establishing correspondences across images is a fundamental challenge in computer vision, underpinning tasks like Structure-from-Motion, image editing, and point tracking. Traditional methods are often specialized for specific…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Fei Xue , Sven Elflein , Laura Leal-Taixé , Qunjie Zhou

Point clouds are often sparse and incomplete. Existing shape completion methods are incapable of generating details of objects or learning the complex point distributions. To this end, we propose a cascaded refinement network together with…

Computer Vision and Pattern Recognition · Computer Science 2020-06-08 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

Establishing correspondences between two images requires both local and global spatial context. Given putative correspondences of feature points in two views, in this paper, we propose Order-Aware Network, which infers the probabilities of…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Jiahui Zhang , Dawei Sun , Zixin Luo , Anbang Yao , Lei Zhou , Tianwei Shen , Yurong Chen , Long Quan , Hongen Liao

We propose a convolutional neural network (ConvNet) based approach for learning local image descriptors which can be used for significantly improved patch matching and 3D reconstructions. A multi-resolution ConvNet is used for learning…

Computer Vision and Pattern Recognition · Computer Science 2017-08-29 Rahul Mitra , Jiakai Zhang , Sanath Narayan , Shuaib Ahmed , Sharat Chandran , Arjun Jain

The detector-free feature matching approaches are currently attracting great attention thanks to their excellent performance. However, these methods still struggle at large-scale and viewpoint variations, due to the geometric inconsistency…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Dihe Huang , Ying Chen , Shang Xu , Yong Liu , Wenlong Wu , Yikang Ding , Chengjie Wang , Fan Tang

Pixel wise image labeling is an interesting and challenging problem with great significance in the computer vision community. In order for a dense labeling algorithm to be able to achieve accurate and precise results, it has to consider the…

Computer Vision and Pattern Recognition · Computer Science 2016-12-15 Spyros Gidaris , Nikos Komodakis

It is known that epipolar geometry can be computed from three epipolar line correspondences but this computation is rarely used in practice since there are no simple methods to find corresponding lines. Instead, methods for finding…

Computer Vision and Pattern Recognition · Computer Science 2017-01-10 Gil Ben-Artzi , Tavi Halperin , Michael Werman , Shmuel Peleg

We present a deep learning framework for accurate visual correspondences and demonstrate its effectiveness for both geometric and semantic matching, spanning across rigid motions to intra-class shape or appearance variations. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Christopher B. Choy , JunYoung Gwak , Silvio Savarese , Manmohan Chandraker
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