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Humans can orient themselves in their 3D environments using simple 2D maps. Differently, algorithms for visual localization mostly rely on complex 3D point clouds that are expensive to build, store, and maintain over time. We bridge this…

This communication describes a representation of images as a set of edges characterized by their position and orientation. This representation allows the comparison of two images and the computation of their similarity. The first step in…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Joel Le Roux , Philippe Chaurand , Mickael Urrutia

Retrieving images from large and varied repositories using visual contents has been one of major research items, but a challenging task in the image management community. In this paper we present an efficient approach for region-based image…

Computer Vision and Pattern Recognition · Computer Science 2010-06-24 S. Sadek , A. Al-Hamadi , B. Michaelis , U. Sayed

Despite recent advancements in computer vision research, object detection in aerial images still suffers from several challenges. One primary challenge to be mitigated is the presence of multiple types of variation in aerial images, for…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Sungjune Park , Hyunjun Kim , Beomchan Park , Yong Man Ro

Automatic image annotation is one of the most challenging problems in machine vision areas. The goal of this task is to predict number of keywords automatically for images captured in real data. Many methods are based on visual features in…

Computer Vision and Pattern Recognition · Computer Science 2014-12-11 Neda Pourali

Images acquired by computer vision systems under low light conditions have multiple characteristics like high noise, lousy illumination, reflectance, and bad contrast, which make object detection tasks difficult. Much work has been done to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Winston Chen , Tejas Shah

Drones or UAVs, equipped with different sensors, have been deployed in many places especially for urban traffic monitoring or last-mile delivery. It provides the ability to control the different aspects of traffic given real-time…

Computer Vision and Pattern Recognition · Computer Science 2020-09-17 George Adaimi , Sven Kreiss , Alexandre Alahi

Intelligent robots require object-level scene understanding to reason about possible tasks and interactions with the environment. Moreover, many perception tasks such as scene reconstruction, image retrieval, or place recognition can…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Cathrin Elich , Iro Armeni , Martin R. Oswald , Marc Pollefeys , Joerg Stueckler

State-of-the-art approaches for 6D object pose estimation require large amounts of labeled data to train the deep networks. However, the acquisition of 6D object pose annotations is tedious and labor-intensive in large quantity. To…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Meng Tian , Gim Hee Lee

Keypoint detection and matching is a fundamental task in many computer vision problems, from shape reconstruction, to structure from motion, to AR/VR applications and robotics. It is a well-studied problem with remarkable successes such as…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Marcela Mera-Trujillo , Shivang Patel , Yu Gu , Gianfranco Doretto

Accurately describing and detecting 2D and 3D keypoints is crucial to establishing correspondences across images and point clouds. Despite a plethora of learning-based 2D or 3D local feature descriptors and detectors having been proposed,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Bing Wang , Changhao Chen , Zhaopeng Cui , Jie Qin , Chris Xiaoxuan Lu , Zhengdi Yu , Peijun Zhao , Zhen Dong , Fan Zhu , Niki Trigoni , Andrew Markham

To identify the location of objects of a particular class, a passive computer vision system generally processes all the regions in an image to finally output few regions. However, we can use structure in the scene to search for objects…

Computer Vision and Pattern Recognition · Computer Science 2016-08-09 Varun K. Nagaraja , Vlad I. Morariu , Larry S. Davis

Generalization in robotics is one of the most important problems. New generalization approaches use internet databases in order to solve new tasks. Modern search engines can return a large amount of information according to a query within…

Information Retrieval · Computer Science 2020-04-07 Tomas Kulvicius , Irene Markelic , Minija Tamosiunaite , Florentin Wörgötter

Analysis of microscope images is a tedious work which requires patience and time, usually done manually by the microscopist after data collection. Here we introduce an approach of automatic image analysis, which is based on locally applied…

Image and Video Processing · Electrical Eng. & Systems 2019-12-17 Benedykt R. Jany , Arkadiusz Janas , Franciszek Krok

Nature-inspired algorithms such as Particle Swarm Optimization and Firefly Algorithm are among the most powerful algorithms for optimization. In this paper, we intend to formulate a new metaheuristic algorithm by combining Levy flights with…

Optimization and Control · Mathematics 2010-03-09 Xin-She Yang

Feature matching is an important technique to identify a single object in different images. It helps machines to construct recognition of a specific object from multiple perspectives. For years, feature matching has been commonly used in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Hang Zhu , Zihao Wang

Nature-inspired metaheuristic algorithms, especially those based on swarm intelligence, have attracted much attention in the last ten years. Firefly algorithm appeared in about five years ago, its literature has expanded dramatically with…

Optimization and Control · Mathematics 2013-08-20 Xin-She Yang , Xingshi He

Computer vision and multimedia information processing have made extreme progress within the last decade and many tasks can be done with a level of accuracy as if done by humans, or better. This is because we leverage the benefits of huge…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Alan F. Smeaton

Object encoding and identification are crucial for many robotic tasks such as autonomous exploration and semantic relocalization. Existing works heavily rely on the tracking of detected objects but have difficulty recalling revisited…

Robotics · Computer Science 2022-01-27 Kuan Xu , Chen Wang , Chao Chen , Wei Wu , Sebastian Scherer

Nature-inspired algorithms are among the most powerful algorithms for optimization. This paper intends to provide a detailed description of a new Firefly Algorithm (FA) for multimodal optimization applications. We will compare the proposed…

Optimization and Control · Mathematics 2010-03-09 Xin-She Yang