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Related papers: LATCH: Learned Arrangements of Three Patch Codes

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Local Binary Pattern (LBP) is a traditional descriptor for texture analysis that gained attention in the last decade. Being robust to several properties such as invariance to illumination translation and scaling, LBPs achieved…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Kelwin Fernandes , Jaime S. Cardoso

Limited by the locality of convolutional neural networks, most existing local features description methods only learn local descriptors with local information and lack awareness of global and surrounding spatial context. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Changwei Wang , Rongtao Xu , Yuyang Zhang , Shibiao Xu , Weiliang Meng , Bin Fan , Xiaopeng Zhang

Visual place recognition is challenging because there are so many factors that can cause the appearance of a place to change, from day-night cycles to seasonal change to atmospheric conditions. In recent years a large range of approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Sourav Garg , Ben Harwood , Gaurangi Anand , Michael Milford

Most image-text retrieval work adopts binary labels indicating whether a pair of image and text matches or not. Such a binary indicator covers only a limited subset of image-text semantic relations, which is insufficient to represent…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Zheng Li , Caili Guo , Zerun Feng , Jenq-Neng Hwang , Ying Jin , Yufeng Zhang

This paper presents a novel automatic face recognition approach based on local binary patterns. This descriptor considers a local neighbourhood of a pixel to compute the feature vector values. This method is not very robust to handle image…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Pavel Král , Ladislav Lenc , Antonín Vrba

Matching local geometric features on real-world depth images is a challenging task due to the noisy, low-resolution, and incomplete nature of 3D scan data. These difficulties limit the performance of current state-of-art methods, which are…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Andy Zeng , Shuran Song , Matthias Nießner , Matthew Fisher , Jianxiong Xiao , Thomas Funkhouser

Visual Place Recognition is a challenging task for robotics and autonomous systems, which must deal with the twin problems of appearance and viewpoint change in an always changing world. This paper introduces Patch-NetVLAD, which provides a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Stephen Hausler , Sourav Garg , Ming Xu , Michael Milford , Tobias Fischer

Recently spatial pyramid matching (SPM) with scale invariant feature transform (SIFT) descriptor has been successfully used in image classification. Unfortunately, the codebook generation and feature quantization procedures using SIFT…

Computer Vision and Pattern Recognition · Computer Science 2012-10-04 Junlin Hu , Ping Guo

This paper proposes a generic formulation that significantly expedites the training and deployment of image classification models, particularly under the scenarios of many image categories and high feature dimensions. As a defining…

Computer Vision and Pattern Recognition · Computer Science 2016-03-15 Fumin Shen , Yadong Mu , Wei Liu , Yang Yang , Heng Tao Shen

Superpixels have become very popular in many computer vision applications. Nevertheless, they remain underexploited since the superpixel decomposition may produce irregular and non stable segmentation results due to the dependency to the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Rémi Giraud , Vinh-Thong Ta , Aurélie Bugeau , Pierrick Coupé , Nicolas Papadakis

Convolutional neural networks (CNNs) have recently received a lot of attention due to their ability to model local stationary structures in natural images in a multi-scale fashion, when learning all model parameters with supervision. While…

Computer Vision and Pattern Recognition · Computer Science 2016-03-02 Mattis Paulin , Julien Mairal , Matthijs Douze , Zaid Harchaoui , Florent Perronnin , Cordelia Schmid

We propose a new dataset for learning local image descriptors which can be used for significantly improved patch matching. Our proposed dataset consists of an order of magnitude more number of scenes, images, and positive and negative…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Rahul Mitra , Nehal Doiphode , Utkarsh Gautam , Sanath Narayan , Shuaib Ahmed , Sharat Chandran , Arjun Jain

Unsupervised binary representation allows fast data retrieval without any annotations, enabling practical application like fast person re-identification and multimedia retrieval. It is argued that conflicts in binary space are one of the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Fangrui Liu , Zheng Liu

The classical matching pipeline used for visual localization typically involves three steps: (i) local feature detection and description, (ii) feature matching, and (iii) outlier rejection. Recently emerged correspondence networks propose…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Qunjie Zhou , Torsten Sattler , Laura Leal-Taixe

Texture is an important characteristic for many types of images. In recent years very discriminative and computationally efficient local texture descriptors based on local binary patterns (LBP) have been developed, which has led to…

Computer Vision and Pattern Recognition · Computer Science 2017-01-17 Matti Pietikäinen , Guoying Zhao

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

Efficient matching of local image features is a fundamental task in many computer vision applications. However, the real-time performance of top matching algorithms is compromised in computationally limited devices, such as mobile phones or…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Iago Suárez , Ghesn Sfeir , José M. Buenaposada , Luis Baumela

A novel adaptive binary decoding algorithm for LDPC codes is proposed, which reduces the decoding complexity while having a comparable or even better performance than corresponding non-adaptive alternatives. In each iteration the variable…

Information Theory · Computer Science 2009-04-24 Ingmar Land , Gottfried Lechner , Lars K. Rasmussen

Binary descriptors have been instrumental in the recent evolution of computationally efficient sparse image alignment algorithms. Increasingly, however, the vision community is interested in dense image alignment methods, which are more…

Computer Vision and Pattern Recognition · Computer Science 2016-02-02 Hatem Alismail , Brett Browning , Simon Lucey

Our goal is to design architectures that retain the groundbreaking performance of CNNs for landmark localization and at the same time are lightweight, compact and suitable for applications with limited computational resources. To this end,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Adrian Bulat , Georgios Tzimiropoulos