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Detect facial keypoints is a critical element in face recognition. However, there is difficulty to catch keypoints on the face due to complex influences from original images, and there is no guidance to suitable algorithms. In this paper,…

Machine Learning · Statistics 2017-10-17 Shenghao Shi

Eye tracking spreads through a vast area of applications from ophthalmology, assistive technologies to gaming and virtual reality. Precisely detecting the pupil's contour and center is the very first step in many of these tasks, hence needs…

Computer Vision and Pattern Recognition · Computer Science 2018-08-10 Cihan Topal , Halil Ibrahim Cakir , Cuneyt Akinlar

This paper implements and compares different techniques for face detection and recognition. One is find where the face is located in the images that is face detection and second is face recognition that is identifying the person. We study…

Computer Vision and Pattern Recognition · Computer Science 2016-10-17 Jyothi Korra

Always-on egocentric cameras are increasingly used as demonstrations for embodied robotics, imitation learning, and assistive AR, but the resulting video streams are dominated by redundant and low-quality frames. Under the storage and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Ajan Subramanian , Sumukh Bettadapura , Rohan Sathish

Visual localization, i.e., camera pose estimation in a known scene, is a core component of technologies such as autonomous driving and augmented reality. State-of-the-art localization approaches often rely on image retrieval techniques for…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Noé Pion , Martin Humenberger , Gabriela Csurka , Yohann Cabon , Torsten Sattler

Facial recognition is fundamental for a wide variety of security systems operating in real-time applications. In video surveillance based face recognition, face images are typically captured over multiple frames in uncontrolled conditions;…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Eker Onur , Bal Murat

Real-time, accurate, and robust pupil detection is an essential prerequisite for pervasive video-based eye-tracking. However, automated pupil detection in realworld scenarios has proven to be an intricate challenge due to fast illumination…

Computer Vision and Pattern Recognition · Computer Science 2017-11-02 Wolfgang Fuhl , Thiago Santini , Gjergji Kasneci , Wolfgang Rosenstiel , Enkelejda Kasneci

Accurate localization in diverse environments is a fundamental challenge in computer vision and robotics. The task involves determining a sensor's precise position and orientation, typically a camera, within a given space. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Luca Di Giammarino , Boyang Sun , Giorgio Grisetti , Marc Pollefeys , Hermann Blum , Daniel Barath

A technique for object localization based on pose estimation and camera calibration is presented. The 3-dimensional (3D) coordinates are estimated by collecting multiple 2-dimensional (2D) images of the object and are utilized for the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Taha Hasan Masood Siddique , Muhammad Usman

There has been significant progress in machine learning algorithms for human pose estimation that may provide immense value in rehabilitation and movement sciences. However, there remain several challenges to routine use of these tools for…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 R. James Cotton

Place recognition is a key module for long-term SLAM systems. Current LiDAR-based place recognition methods usually use representations of point clouds such as unordered points or range images. These methods achieve high recall rates of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Lun Luo , Shuhang Zheng , Yixuan Li , Yongzhi Fan , Beinan Yu , Siyuan Cao , Huiliang Shen

Human eye tracking devices can help to investigate principles of processing visual information by humans. The attention focus movement during the gaze can be used for behavioural analysis of humans. In this work we describe our experimental…

Human-Computer Interaction · Computer Science 2022-01-05 R. Kovtun , S. Radchenko , A. Netreba , O. Sudakov , R. Natarov , Z. Dyka , I. Kabin , P. Langendörfer

Several studies have reported that biometric identification based on eye movement characteristics can be used for authentication. This paper provides an extensive study of user identification via eye movements across multiple datasets based…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Sahar Mahdie Klim Al Zaidawi , Martin H. U. Prinzler , Jonas Lührs , Sebastian Maneth

Many cameras implement auto-focus functionality. However, they typically require the user to manually identify the location to be focused on. While such an approach works for temporally-sparse autofocusing functionality (e.g., photo…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Wolfgang Fuhl , Thiago Santini , Enkelejda Kasneci

This paper proposes a person-centric and online approach to the challenging problem of localization and prediction of actions and interactions in videos. Typically, localization or recognition is performed in an offline manner where all the…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Khurram Soomro , Haroon Idrees , Mubarak Shah

The application of psychophysiologicy in human-computer interaction is a growing field with significant potential for future smart personalised systems. Working in this emerging field requires comprehension of an array of physiological…

Human-Computer Interaction · Computer Science 2016-09-26 Kristian Lukander

Unobtrusive every day health monitoring can be of important use for the elderly population. In particular, pupil size may be a valuable source of information, since, apart from pathological cases, it can reveal the emotional state, the…

Computer Vision and Pattern Recognition · Computer Science 2013-12-02 Sergios Petridis , Theodoros Giannakopoulos , Costantine D. Spyropoulos

Localization is a key requirement for mobile robot autonomy and human-robot interaction. Vision-based localization is accurate and flexible, however, it incurs a high computational burden which limits its application on many…

Robotics · Computer Science 2016-12-30 Ronald Clark , Sen Wang , Hongkai Wen , Niki Trigoni , Andrew Markham

Given an unconstrained stream of images captured by a wearable photo-camera (2fpm), we propose an unsupervised bottom-up approach for automatic clustering appearing faces into the individual identities present in these data. The problem is…

Computer Vision and Pattern Recognition · Computer Science 2017-05-15 Maedeh Aghaei , Mariella Dimiccoli , Petia Radeva

Localizing a person from a moving monocular camera is critical for Human-Robot Interaction (HRI). To estimate the 3D human position from a 2D image, existing methods either depend on the geometric assumption of a fixed camera or use a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Yu Zhan , Hanjing Ye , Hong Zhang