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Perceptual image hashing methods are often applied in various objectives, such as image retrieval, finding duplicate or near-duplicate images, and finding similar images from large-scale image content. The main challenge in image hashing…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Rubel Biswas , Pablo Blanco-Medina

Selecting the most suitable local invariant feature detector for a particular application has rendered the task of evaluating feature detectors a critical issue in vision research. No state-of-the-art image feature detector works…

Computer Vision and Pattern Recognition · Computer Science 2015-10-20 Bruno Ferrarini , Shoaib Ehsan , Naveed Ur Rehman , Klaus D. McDonald-Maier

Radar-based road user classification is an important yet still challenging task towards autonomous driving applications. The resolution of conventional automotive radar sensors results in a sparse data representation which is tough to…

Machine Learning · Computer Science 2019-09-12 Nicolas Scheiner , Nils Appenrodt , Jürgen Dickmann , Bernhard Sick

Selecting the most suitable local invariant feature detector for a particular application has rendered the task of evaluating feature detectors a critical issue in vision research. Although the literature offers a variety of comparison…

Computer Vision and Pattern Recognition · Computer Science 2017-10-16 Bruno Ferrarini , Shoaib Ehsan , Ales Leonardis , Naveed Ur Rehman , Klaus D. McDonald-Maier

This paper introduces a state-of-the-art video representation and applies it to efficient action recognition and detection. We first propose to improve the popular dense trajectory features by explicit camera motion estimation. More…

Computer Vision and Pattern Recognition · Computer Science 2015-04-22 Heng Wang , Dan Oneata , Jakob Verbeek , Cordelia Schmid

Feature detectors and descriptors have been successfully used for various computer vision tasks, such as video object tracking and content-based image retrieval. Many methods use image gradients in different stages of the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Umut Özaydın , Theodoros Georgiou , Michael Lew

Face detection is to search all the possible regions for faces in images and locate the faces if there are any. Many applications including face recognition, facial expression recognition, face tracking and head-pose estimation assume that…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Yuantao Feng , Shiqi Yu , Hanyang Peng , Yan-Ran Li , Jianguo Zhang

Object detection and recognition are important problems in computer vision. Since these problems are meta-heuristic, despite a lot of research, practically usable, intelligent, real-time, and dynamic object detection/recognition methods are…

Computer Vision and Pattern Recognition · Computer Science 2013-02-22 Dilip K. Prasad

The increasing prevalence of graph-structured data across various domains has intensified greater interest in graph classification tasks. While numerous sophisticated graph learning methods have emerged, their complexity often hinders…

Machine Learning · Computer Science 2025-09-03 Saiful Islam , Md. Nahid Hasan , Pitambar Khanra

Face detection is an essential step in many computer vision applications like surveillance, tracking, medical analysis, facial expression analysis etc. Several approaches have been made in the direction of face detection. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-14 Anjith George , Anirban Dasgupta , Aurobinda Routray

Artificial objects usually have very stable shape features, which are stable, persistent properties in geometry. They can provide evidence for object recognition. Shape features are more stable and more distinguishing than appearance…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Hui Wei , Fu-yu Tang

We describe and analyze efficient algorithms for learning a linear predictor from examples when the learner can only view a few attributes of each training example. This is the case, for instance, in medical research, where each patient…

Machine Learning · Computer Science 2010-04-29 Nicolò Cesa-Bianchi , Shai Shalev-Shwartz , Ohad Shamir

Barcodes are used in many commercial applications, thus fast and robust reading is important. There are many different types of barcodes, some of them look similar while others are completely different. In this paper we introduce new fast…

Computer Vision and Pattern Recognition · Computer Science 2020-06-19 Andrey Zharkov , Ivan Zagaynov

Since local feature detection has been one of the most active research areas in computer vision during the last decade, a large number of detectors have been proposed. The interest in feature-based applications continues to grow and has…

Computer Vision and Pattern Recognition · Computer Science 2016-05-20 Shoaib Ehsan , Adrian F. Clark , Ales Leonardis , Naveed ur Rehman , Klaus D. McDonald-Maier

Detection and description of keypoints from an image is a well-studied problem in Computer Vision. Some methods like SIFT, SURF or ORB are computationally really efficient. This paper proposes a solution for a particular case study on…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Ibon Merino , Jon Azpiazu , Anthony Remazeilles , Basilio Sierra

Since local feature detection has been one of the most active research areas in computer vision, a large number of detectors have been proposed. This has rendered the task of characterizing the performance of various feature detection…

Computer Vision and Pattern Recognition · Computer Science 2015-10-20 Shoaib Ehsan , Adrian F. Clark , Bruno Ferrarini , Naveed Ur Rehman , Klaus D. McDonald-Maier

Detecting and characterising vehicles is one of the purposes of embedded systems used in intelligent environments. An analysis of a vehicle characteristics can reveal inappropriate or dangerous behaviour. This detection makes it possible to…

Signal Processing · Electrical Eng. & Systems 2024-05-03 Jose-Luis Poza-Lujan , Pedro Uribe-Chavert , Juan-Luis Posadas-Yagüe

The classification of individual traffic participants is a complex task, especially for challenging scenarios with multiple road users or under bad weather conditions. Radar sensors provide an - with respect to well established camera…

Machine Learning · Computer Science 2019-05-28 Nicolas Scheiner , Nils Appenrodt , Jürgen Dickmann , Bernhard Sick

Imagery texts are usually organized as a hierarchy of several visual elements, i.e. characters, words, text lines and text blocks. Among these elements, character is the most basic one for various languages such as Western, Chinese,…

Computer Vision and Pattern Recognition · Computer Science 2017-08-23 Han Hu , Chengquan Zhang , Yuxuan Luo , Yuzhuo Wang , Junyu Han , Errui Ding

For humans, object detection, recognition, and tracking are innate. These provide the ability for human to perceive their environment and objects within their environment. This ability however doesn't translate well in computers. In…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Shiyao Chen , Dale Chen-Song
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