English
Related papers

Related papers: Pupil Center Detection Approaches: A comparative a…

200 papers

Pavlovian eyeblink conditioning is a powerful experiment used in the field of neuroscience to measure multiple aspects of how we learn in our daily life. To track the movement of the eyelid during an experiment, researchers have…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Paul Bakker , Henk-Jan Boele , Zaid Al-Ars , Christos Strydis

Benefiting from its high efficiency and simplicity, Simple Linear Iterative Clustering (SLIC) remains one of the most popular over-segmentation tools. However, due to explicit enforcement of spatial similarity for region continuity, the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Jiaxing Zhao , Ren Bo , Qibin Hou , Ming-Ming Cheng , Paul L. Rosin

Humans' ability to detect and locate salient objects on images is remarkably fast and successful. Performing this process by using eye tracking equipment is expensive and cannot be easily applied, and computer modeling of this human…

Computer Vision and Pattern Recognition · Computer Science 2014-03-03 Hamdi Yalin Yalic

Parallel hole collimators which are currently routinely used in SPECT imaging were designed a few decades ago, when filtered backprojection (FBP) was used for tomographic reconstruction. Statistical reconstruction methods with precise…

Medical Physics · Physics 2018-07-02 Krzysztof Kacperski , Dominika Świtlik , Jakub Pietrzak

Ear related concerns and symptoms represents the leading indication for seeking pediatric healthcare attention. Despite the high incidence of such encounters, the diagnostic process of commonly encountered disease of the middle and external…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Weiyao Wang , Aniruddha Tamhane , Christine Santos , John R. Rzasa , James H. Clark , Therese L. Canares , Mathias Unberath

Object detection generally requires sliding-window classifiers in tradition or anchor box based predictions in modern deep learning approaches. However, either of these approaches requires tedious configurations in boxes. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Wei Liu , Irtiza Hasan , Shengcai Liao

This paper presents a renewed overview of photosensor oculography (PSOG), an eye-tracking technique based on the principle of using simple photosensors to measure the amount of reflected (usually infrared) light when the eye rotates.…

Computer Vision and Pattern Recognition · Computer Science 2017-07-20 Ioannis Rigas , Hayes Raffle , Oleg V. Komogortsev

The problem of fitting concentric ellipses is a vital problem in image processing, pattern recognition, and astronomy. Several methods have been developed but all address very special cases. In this paper, this problem has been investigated…

Computation · Statistics 2024-02-16 Ali Al-Sharadqah , Giulano Piga

Screening traditionally refers to the problem of detecting active inputs in the computer model. In this paper, we develop methodology that applies to screening, but the main focus is on detecting active inputs not in the computer model…

Computation · Statistics 2024-02-20 Pierre Barbillon , Anabel Forte , Rui Paulo

Measuring the similarity of images is a fundamental problem to computer vision for which no universal solution exists. While simple metrics such as the pixel-wise L2-norm have been shown to have significant flaws, they remain popular. One…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Oskar Sjögren , Gustav Grund Pihlgren , Fredrik Sandin , Marcus Liwicki

Pothole detection is one of the most important tasks for road maintenance. Computer vision approaches are generally based on either 2D road image analysis or 3D road surface modeling. However, these two categories are always used…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Rui Fan , Umar Ozgunalp , Brett Hosking , Ming Liu , Ioannis Pitas

Most telescope designs have a circular-shape aperture. We demonstrate that telescopes with an elongated pupil have better contrast, at lower separations, between a bright central star and a faint companion. We simulate images for an…

Instrumentation and Methods for Astrophysics · Physics 2019-07-24 Guy Nir , Barak Zackay , Eran O. Ofek

Image splicing is a common form of image forgery. Such alterations may leave no visual clues of tampering. In recent works camera characteristics consistency across the image has been used to establish the authenticity and integrity of…

Computer Vision and Pattern Recognition · Computer Science 2011-05-25 H. R. Chennamma , Lalitha Rangarajan

Medical images and reports offer invaluable insights into patient health. The heterogeneity and complexity of these data hinder effective analysis. To bridge this gap, we investigate contrastive learning models for cross-domain retrieval,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Demetrio Deanda , Yuktha Priya Masupalli , Jeong Yang , Young Lee , Zechun Cao , Gongbo Liang

For the advancement of the understanding of timing systematics in pixelized readout chips and for the benefit of future fast timing detectors to aid 4D tracking technology in the HL-LHC, we have performed detailed studies of the timing…

Instrumentation and Detectors · Physics 2022-01-25 R. Geertsema

Polarization-resolved near-infrared imaging adds a useful optical contrast mechanism to eye tracking by measuring the polarization state of light reflected by ocular tissues in addition to its intensity. In this paper we demonstrate how…

We propose a precise ellipsometric method for the investigation of coherent light with a small ellipticity. The main feature of this method is the use of compensators with phase delays providing the maximum accuracy of measurements for the…

Instrumentation and Detectors · Physics 2017-06-21 Nazar Al-wassiti , Evelina Bibikova , Nataliya Kundikova

This paper proposes an efficient iris localization method without using iris segmentation and circle fitting. Conventional iris localization methods first extract iris regions by using semantic segmentation methods such as U-Net. Afterward,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Takahiro Toizumi , Koichi Takahashi , Masato Tsukada

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and matching process. In…

Computer Vision and Pattern Recognition · Computer Science 2014-02-03 V. Karthikeyan , Manjupriya , C. K. Chithra , M. Divya

We examined eye and head movements to gain insights into skill development in clinical settings. A total of 24 practitioners participated in simulated baby delivery training sessions. We calculated key metrics, including pupillary response…

Human-Computer Interaction · Computer Science 2025-07-24 Kayhan Latifzadeh , Luis A. Leiva , Klen Čopič Pucihar , Matjaž Kljun , Iztok Devetak , Lili Steblovnik
‹ Prev 1 4 5 6 7 8 10 Next ›