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Related papers: Robust Iris Centre Localisation for Assistive Eye-…

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Existing eye trackers use cameras based on thick compound optical elements, necessitating the cameras to be placed at focusing distance from the eyes. This results in the overall bulk of wearable eye trackers, especially for augmented and…

Image and Video Processing · Electrical Eng. & Systems 2025-01-28 Purvam Jain , Althaf M. Nazar , Salman S. Khan , Kaushik Mitra , Praneeth Chakravarthula

Purpose: Drop-in gamma probes are widely used in robotic-assisted minimally invasive surgery (RAMIS) for lymph node detection. However, these devices only provide audio feedback on signal intensity, lacking the visual feedback necessary for…

Image and Video Processing · Electrical Eng. & Systems 2024-10-31 Songyu Xu , Yicheng Hu , Jionglong Su , Daniel Elson , Baoru Huang

We propose a novel convolutional neural network to verify a~match between two normalized images of the human iris. The network is trained end-to-end and validated on three publicly available datasets yielding state-of-the-art results…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Radim Spetlik , Ivan Razumenic

Gaze and face tracking algorithms have traditionally battled a compromise between computational complexity and accuracy; the most accurate neural net algorithms cannot be implemented in real time, but less complex real-time algorithms…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 George He , Sami Oueida , Tucker Ward

Gaze is a valuable means of communication for impaired people with extremely limited motor capabilities. However, robust gaze-based intent recognition in multi-object environments is challenging due to gaze noise, micro-saccades, viewpoint…

Robotics · Computer Science 2026-03-09 Yuzhi Lai , Shenghai Yuan , Peizheng Li , Andreas Zell

A Reconfigurable Intelligent Surface (RIS) can significantly enhance network positioning and mapping, acting as an additional anchor point in the reference system and improving signal strength and measurement diversity through the…

Information Theory · Computer Science 2024-11-15 Dimitris Kompostiotis , Dimitris Vordonis , Vassilis Paliouras , George C. Alexandropoulos , Florin Grec

We learn, in an unsupervised way, an embedding from sequences of radar images that is suitable for solving the place recognition problem with complex radar data. Our method is based on invariant instance feature learning but is tailored for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Matthew Gadd , Daniele De Martini , Paul Newman

We present a deep learning method for accurately localizing the center of a single corneal reflection (CR) in an eye image. Unlike previous approaches, we use a convolutional neural network (CNN) that was trained solely using simulated…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Sean Anthony Byrne , Marcus Nyström , Virmarie Maquiling , Enkelejda Kasneci , Diederick C. Niehorster

Convolutional Neural Networks (CNNs) are being increasingly used to address the problem of iris presentation attack detection. In this work, we propose attention-guided iris presentation attack detection (AG-PAD) to augment CNNs with…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Cunjian Chen , Arun Ross

Video-based eye tracking is a valuable technique in various research fields. Numerous open-source eye tracking algorithms have been developed in recent years, primarily designed for general application with many different camera types.…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 Terence Brouns

We present a set of results obtained with an innovative eye-tracker based on magnetic dipole localization by means of an array of magnetoresistive sensors. The system tracks both head and eye movements with a high rate (100-200 Sa/s) and in…

Medical eye-tracking data is an important information source for understanding how radiologists visually interpret medical images. This information not only improves the accuracy of deep learning models for X-ray analysis but also their…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Trong Thang Pham , Tien-Phat Nguyen , Yuki Ikebe , Akash Awasthi , Zhigang Deng , Carol C. Wu , Hien Nguyen , Ngan Le

This paper presents novel hybrid architectures that combine grid- and point-based processing to improve the detection performance and orientation estimation of radar-based object detection networks. Purely grid-based detection models…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Michael Ulrich , Sascha Braun , Daniel Köhler , Daniel Niederlöhner , Florian Faion , Claudius Gläser , Holger Blume

Most iris recognition pipelines involve three stages: segmenting into iris/non-iris pixels, normalization the iris region to a fixed area, and extracting relevant features for comparison. Given recent advances in deep learning it is prudent…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Sohaib Ahmad , Benjamin Fuller

In this work, we consider the target detection problem in a sensing architecture where the radar is aided by a reconfigurable intelligent surface (RIS), that can be modeled as an array of sub-wavelength small reflective elements capable of…

Signal Processing · Electrical Eng. & Systems 2022-03-14 Stefano Buzzi , Emanuele Grossi , Marco Lops , Luca Venturino

In recent years, mobile Internet has accelerated the proliferation of smart mobile development. The mobile payment, mobile security and privacy protection have become the focus of widespread attention. Iris recognition becomes a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Siming Zheng , Rahmita Wirza O. K. Rahmat , Fatimah Khalid , Nurul Amelina Nasharuddin

Research in neuroscience and vision science relies heavily on careful measurements of animal subject's gaze direction. Rodents are the most widely studied animal subjects for such research because of their economic advantage and hardiness.…

Image and Video Processing · Electrical Eng. & Systems 2025-06-11 Isha Puri , David Cox

Iris segmentation is a deterministic part of the iris recognition system. Unreliable segmentation of iris regions especially the limbic area is still the bottleneck problem, which impedes more accurate recognition. To make further efforts…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Jianze Wei , Huaibo Huang , Muyi Sun , Yunlong Wang , Min Ren , Ran He , Zhenan Sun

High-precision localization and environmental sensing are essential for a new wave of applications, ranging from industrial automation and autonomous systems to augmented reality and remote healthcare. Conventional wireless methods,…

Human gaze is essential for various appealing applications. Aiming at more accurate gaze estimation, a series of recent works propose to utilize face and eye images simultaneously. Nevertheless, face and eye images only serve as independent…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Yihua Cheng , Shiyao Huang , Fei Wang , Chen Qian , Feng Lu