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Visual position recognition affects the safety and accuracy of automatic driving. To accurately identify the location, this paper studies a visual place recognition algorithm based on HMM filter and HMM smoother. Firstly, we constructed the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Bailu Guo , Boyu Zhao , Zishun Zhou

Visual localization is the task of estimating the camera pose from which a given image was taken and is central to several 3D computer vision applications. With the rapid growth in the popularity of AR/VR/MR devices and cloud-based…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Kunal Chelani , Torsten Sattler , Fredrik Kahl , Zuzana Kukelova

The recent development of calibration algorithms has been driven into two major directions: (1) an increasing accuracy of mathematical approaches and (2) an increasing flexibility in usage by reducing the dependency on calibration objects.…

Robotics · Computer Science 2020-04-28 Bjarne Grossmann , Volker Krueger

This article describes a multi-modal method using simulated Lidar data via ray tracing and image pixel loss with differentiable rendering to optimize an object's position with respect to an observer or some referential objects in a computer…

Systems and Control · Electrical Eng. & Systems 2023-09-07 Sean Zanyk-McLean , Krishna Kumar , Paul Navratil

As the autonomous driving industry is slowly maturing, visual map localization is quickly becoming the standard approach to localize cars as accurately as possible. Owing to the rich data returned by visual sensors such as cameras or…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Elhousni Mahdi , Huang Xinming

This work presents a technique for localization of a smart infrastructure node, consisting of a fisheye camera, in a prior map. These cameras can detect objects that are outside the line of sight of the autonomous vehicles (AV) and send…

Thanks to the eye-tracking sensors that are embedded in emerging consumer devices like the Vive Pro Eye, we demonstrate that it is feasible to deliver user authentication via eye movement biometrics.

Human-Computer Interaction · Computer Science 2022-07-07 Dillon Lohr , Saide Johnson , Samantha Aziz , Oleg Komogortsev

Visual localization is a core component in many applications, including augmented reality (AR). Localization algorithms compute the camera pose of a query image w.r.t. a scene representation, which is typically built from images. This often…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Vojtech Panek , Zuzana Kukelova , Torsten Sattler

This paper proves that visual object recognition systems using only 2D Euclidean similarity measurements to compare object views against previously seen views can achieve the same recognition performance as observers having access to all…

Computer Vision and Pattern Recognition · Computer Science 2007-12-04 Thomas M. Breuel

We consider outdoor optical access points (OAPs), which, enabled by recent advances in metasurface technology, have attracted growing interest. While OAPs promise high data rates and strong physical-layer security, practical deployments…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Meysam Ghanbari , Mohammad Taghi Dabiri , Rula Ammuri , Mazen Hasna , Khalid Qaraqe

In modern times, face recognition has become one of the key aspects of computer vision. There are at least two reasons for this trend; the first is the commercial and law enforcement applications, and the second is the availability of…

Computer Vision and Pattern Recognition · Computer Science 2012-10-09 Meftah Ur Rahman

Visual-based recognition, e.g., image classification, object detection, etc., is a long-standing challenge in computer vision and robotics communities. Concerning the roboticists, since the knowledge of the environment is a prerequisite for…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Antonios Gasteratos , Konstantinos A. Tsintotas , Tobias Fischer , Yiannis Aloimonos , Michael Milford

Place recognition is one of the hot research fields in automation technology and is still an open issue, Camera and Lidar are two mainstream sensors used in this task, Camera-based methods are easily affected by illumination and season…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Yuheng Lu , Fan Yang , Fangping Chen , Don Xie

The concept of geo-localization refers to the process of determining where on earth some `entity' is located, typically using Global Positioning System (GPS) coordinates. The entity of interest may be an image, sequence of images, a video,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Daniel Wilson , Xiaohan Zhang , Waqas Sultani , Safwan Wshah

The majority of computer vision applications that handle images featuring humans use face detection as a core component. Face detection still has issues, despite much research on the topic. Face detection's accuracy and speed might yet be…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Purnendu Prabhat , Himanshu Gupta , Ajeet Kumar Vishwakarma

In recent years, increasing deployment of face recognition technology in security-critical settings, such as border control or law enforcement, has led to considerable interest in the vulnerability of face recognition systems to attacks…

Computer Vision and Pattern Recognition · Computer Science 2022-01-31 Robert Nichols , Christian Rathgeb , Pawel Drozdowski , Christoph Busch

Whenever eye movements are measured, a central part of the analysis has to do with where subjects fixate, and why they fixated where they fixated. To a first approximation, a set of fixations can be viewed as a set of points in space: this…

Applications · Statistics 2013-05-23 Simon Barthelmé , Hans Trukenbrod , Ralf Engbert , Felix Wichmann

We provide a novel search technique, which uses a hierarchical model and a mutual information gain heuristic to efficiently prune the search space when localizing faces in images. We show exponential gains in computation over traditional…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Raphael Sznitman , Bruno Jedynak

Eye movements provide insight into what parts of an image a viewer finds most salient, interesting, or relevant to the task at hand. Unfortunately, eye tracking data, a commonly-used proxy for attention, is cumbersome to collect. Here we…

Human-Computer Interaction · Computer Science 2020-01-14 Anelise Newman , Barry McNamara , Camilo Fosco , Yun Bin Zhang , Pat Sukhum , Matthew Tancik , Nam Wook Kim , Zoya Bylinskii

The latest developments in computer hardware, sensor technologies, and artificial intelligence can make virtual reality (VR) and virtual spaces an important part of human everyday life. Eye tracking offers not only a hands-free way of…

Human-Computer Interaction · Computer Science 2026-01-21 Efe Bozkir , Süleyman Özdel , Mengdi Wang , Brendan David-John , Hong Gao , Kevin Butler , Eakta Jain , Enkelejda Kasneci