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Related papers: Exploring New Directions in Iris Recognition

200 papers

The progress of composed image retrieval (CIR), a popular research direction in image retrieval, where a combined visual and textual query is used, is held back by the absence of high-quality training and evaluation data. We introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Bill Psomas , George Retsinas , Nikos Efthymiadis , Panagiotis Filntisis , Yannis Avrithis , Petros Maragos , Ondrej Chum , Giorgos Tolias

Precise characterization and analysis of iris shape from Anterior Segment OCT (AS-OCT) are of great importance in facilitating diagnosis of angle-closure-related diseases. Existing methods focus solely on analyzing structural properties…

Image and Video Processing · Electrical Eng. & Systems 2020-06-11 Jinkui Hao , Huazhu Fu , Yanwu Xu , Yan Hu , Fei Li , Xiulan Zhang , Jiang Liu , Yitian Zhao

The identification of co-regulated genes and their transcription-factor binding sites (TFBS) are the key steps toward understanding transcription regulation. In addition to effective laboratory assays, various bi-clustering algorithms for…

Machine Learning · Computer Science 2023-02-06 Kaijie Xu

The adoption of large-scale iris recognition systems around the world has brought to light the importance of detecting presentation attack images (textured contact lenses and printouts). This work presents a new approach in iris…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Andrey Kuehlkamp , Allan Pinto , Anderson Rocha , Kevin Bowyer , Adam Czajka

Biometric systems represent valid solutions in tasks like user authentication and verification, since they are able to analyze physical and behavioural features with high precision. However, especially when physical biometrics are used, as…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Francesco Zola , Jose Alvaro Fernandez-Carrasco , Jan Lukas Bruse , Mikel Galar , Zeno Geradts

Iris recognition systems are a mature technology that is widely used throughout the world. In identification (as opposed to verification) mode, an iris to be recognized is typically matched against all N enrolled irises. This is the classic…

Computer Vision and Pattern Recognition · Computer Science 2017-02-07 Andrey Kuehlkamp , Kevin W. Bowyer

This paper proposes a new framework to detect, segment, and estimate the localization of the eyes from a periocular Near-Infra-Red iris image under alcohol consumption. The purpose of the system is to measure the fitness for duty. Fitness…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Juan Tapia , Enrique Lopez Droguett , Andres Valenzuela , Daniel Benalcazar , Leonardo Causa , Christoph Busch

This paper presents a unique analysis of post-mortem human iris recognition. Post-mortem human iris images were collected at the university mortuary in three sessions separated by approximately 11 hours, with the first session organized…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

Periocular refers to the facial region in the vicinity of the eye, including eyelids, lashes and eyebrows. While face and irises have been extensively studied, the periocular region has emerged as a promising trait for unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Fernando Alonso-Fernandez , Josef Bigun

Composed Image Retrieval (CIR) is a challenging task that aims to retrieve the target image with a multimodal query, i.e., a reference image, and its complementary modification text. As previous supervised or zero-shot learning paradigms…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Bohan Hou , Haoqiang Lin , Haokun Wen , Meng Liu , Mingzhu Xu , Xuemeng Song

Geospatial object detection of remote sensing imagery has been attracting an increasing interest in recent years, due to the rapid development in spaceborne imaging. Most of previously proposed object detectors are very sensitive to object…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Xin Wu , Danfeng Hong , Jocelyn Chanussot , Yang Xu , Ran Tao , Yue Wang

Composed Image Retrieval (CIR) aims to retrieve a target image based on a query composed of a reference image, and a relative caption that specifies the desired modification. Despite the rapid development of CIR models, their performance is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Yikun Liu , Jiangchao Yao , Weidi Xie , Yanfeng Wang

Computational imaging~(CI) has been attracting a lot of interest in recent years for its superiority over traditional imaging in various applications. In CI systems, information is generally acquired in an encoded form and subsequently…

This paper presents a novel appearance and shape feature, RISAS, which is robust to viewpoint, illumination, scale and rotation variations. RISAS consists of a keypoint detector and a feature descriptor both of which utilise texture and…

Robotics · Computer Science 2016-09-20 Kanzhi Wu , Xiaoyang Li , Ravindra Ranasinghe , Gamini Dissanayake , Yong Liu

One of the fundamental challenges in microscopy (MS) image analysis is instance segmentation (IS), particularly when segmenting cluster regions where multiple objects of varying sizes and shapes may be connected or even overlapped in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Jun Wang , Chengfeng Zhou , Zhaoyan Ming , Lina Wei , Xudong Jiang , Dahong Qian

Composed image retrieval (CIR) requires multi-modal models to jointly reason over visual content and semantic modifications presented in text-image input pairs. While current CIR models achieve strong performance on common benchmark cases,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Chenchen Zhao , Jianhuan Zhuo , Muxi Chen , Zhaohua Zhang , Wenyu Jiang , Tianwen Jiang , Qiuyong Xiao , Jihong Zhang , Qiang Xu

Video-based eye trackers capture the iris biometric and enable authentication to secure user identity. However, biometric authentication is susceptible to spoofing another user's identity through physical or digital manipulation. The…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Anish S. Narkar , Brendan David-John

This paper presents a database of iris images collected from disease affected eyes and an analysis related to the influence of ocular diseases on iris recognition reliability. For that purpose we have collected a database of iris images…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Mateusz Trokielewicz , Adam Czajka , Piotr Maciejewicz

In order to improve the accuracy of face recognition under varying illumination conditions, a local texture enhanced illumination normalization method based on fusion of differential filtering images (FDFI-LTEIN) is proposed to weaken the…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Chaobing Zheng , Shiqian Wu , Wangming Xu , Shoulie Xie

Recent developments in hardware, computer graphics, and AI may soon enable AR/VR head-mounted displays (HMDs) to become everyday devices like smartphones and tablets. Eye trackers within HMDs provide a special opportunity for such setups as…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 Mengdi Wang , Efe Bozkir , Enkelejda Kasneci