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Related papers: IF-Net: An Illumination-invariant Feature Network

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The design of an automatic visual inspection system is usually performed in two stages. While the first stage consists in selecting the most suitable hardware setup for highlighting most effectively the defects on the surface to be…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Maya Aghaei , Matteo Bustreo , Pietro Morerio , Nicolo Carissimi , Alessio Del Bue , Vittorio Murino

Feature shifts between data sources are present in many applications involving healthcare, biomedical, socioeconomic, financial, survey, and multi-sensor data, among others, where unharmonized heterogeneous data sources, noisy data…

Machine Learning · Computer Science 2025-06-12 Míriam Barrabés , Daniel Mas Montserrat , Kapal Dev , Alexander G. Ioannidis

In recent years, significant progress has been made in image recognition technology based on deep neural networks. However, improving recognition performance under low-light conditions remains a significant challenge. This study addresses…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

Feature point detection and description is the backbone for various computer vision applications, such as Structure-from-Motion, visual SLAM, and visual place recognition. While learning-based methods have surpassed traditional handcrafted…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Ali Youssef , Francisco Vasconcelos

Most computer vision application rely on algorithms finding local correspondences between different images. These algorithms detect and compare stable local invariant descriptors centered at scale-invariant keypoints. Because of the…

Computer Vision and Pattern Recognition · Computer Science 2014-09-10 Ives Rey-Otero , Mauricio Delbracio , Jean-Michel Morel

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

In surveillance, monitoring and tactical reconnaissance, gathering the right visual information from a dynamic environment and accurately processing such data are essential ingredients to making informed decisions which determines the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Kin Gwn Lore , Adedotun Akintayo , Soumik Sarkar

Image matching is a key component of many tasks in computer vision and its main objective is to find correspondences between features extracted from different natural images. When images are represented as graphs, image matching boils down…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Nancy Xu , Giannis Nikolentzos , Michalis Vazirgiannis , Henrik Boström

Intrinsic image decomposition aims to factorize an image into albedo (reflectance) and shading (illumination) sub-components. Being ill-posed and under-constrained, it is a very challenging computer vision problem. There are infinite pairs…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Anil S. Baslamisli , Theo Gevers

In the thesis we consider the problem of local feature descriptor learning for wide baseline stereo focusing on the HardNet descriptor, which is close to state-of-the-art. AMOS Patches dataset is introduced, which improves robustness to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Milan Pultar

Interest point detection is a common task in various computer vision applications. Although a big variety of detector are developed so far computational efficiency of interest point based image analysis remains to be the problem. Current…

Computer Vision and Pattern Recognition · Computer Science 2010-03-23 Vitaly Pimenov

Imitation learning (IL) enables agents to mimic expert behavior without reward signals but faces challenges in cross-domain scenarios with high-dimensional, noisy, and incomplete visual observations. To address this, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Minung Kim , Kawon Lee , Jungmo Kim , Sungho Choi , Seungyul Han

Visible-Infrared person re-identification (VI-ReID) is a challenging matching problem due to large modality varitions between visible and infrared images. Existing approaches usually bridge the modality gap with only feature-level…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Haojie Liu , Shun Ma , Daoxun Xia , Shaozi Li

In this paper we propose a new approach for learning local descriptors for matching image patches. It has recently been demonstrated that descriptors based on convolutional neural networks (CNN) can significantly improve the matching…

Computer Vision and Pattern Recognition · Computer Science 2016-01-20 Vassileios Balntas , Edward Johns , Lilian Tang , Krystian Mikolajczyk

Current shadow detection methods perform poorly when detecting shadow regions that are small, unclear or have blurry edges. In this work, we attempt to address this problem on two fronts. First, we propose a Fine Context-aware Shadow…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Jeya Maria Jose Valanarasu , Vishal M. Patel

Retrieving accurate 3D reconstructions of objects from the way they reflect light is a very challenging task in computer vision. Despite more than four decades since the definition of the Photometric Stereo problem, most of the literature…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Fotios Logothetis , Ignas Budvytis , Roberto Mecca , Roberto Cipolla

Image Classification is a fundamental task in the field of computer vision that frequently serves as a benchmark for gauging advancements in Computer Vision. Over the past few years, significant progress has been made in image…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Mahmoud Khalil , Ahmad Khalil , Alioune Ngom

A method for learning local affine-covariant regions is presented. We show that maximizing geometric repeatability does not lead to local regions, a.k.a features,that are reliably matched and this necessitates descriptor-based learning. We…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Dmytro Mishkin , Filip Radenovic , Jiri Matas

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

Road terrains play a crucial role in ensuring the driving safety of autonomous vehicles (AVs). However, existing sensors of AVs, including cameras and Lidars, are susceptible to variations in lighting and weather conditions, making it…

Artificial Intelligence · Computer Science 2025-05-19 Rui Wang , Shichun Yang , Yuyi Chen , Zhuoyang Li , Zexiang Tong , Jianyi Xu , Jiayi Lu , Xinjie Feng , Yaoguang Cao