English
Related papers

Related papers: Topological Invariant-Based Iris Identification vi…

200 papers

Blind iris images, which result from unknown degradation during the process of iris recognition at long distances, often lead to decreased iris recognition rates. Currently, little existing literature offers a solution to this problem. In…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Qi Xiong , Xinman Zhang , Jun Shen

Image segmentation is a largely researched field where neural networks find vast applications in many facets of technology. Some of the most popular approaches to train segmentation networks employ loss functions optimizing pixel-overlap,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Nico Stucki , Johannes C. Paetzold , Suprosanna Shit , Bjoern Menze , Ulrich Bauer

The iris pattern has significantly improved the biometric recognition field due to its high level of stability and uniqueness. Such physical feature has played an important role in security and other related areas. However, presentation…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Gabriela Y. Kimura , Diego R. Lucio , Alceu S. Britto , David Menotti

Purpose: This study examines the core traits of image-to-image translation (I2I) networks, focusing on their effectiveness and adaptability in everyday clinical settings. Methods: We have analyzed data from 794 patients diagnosed with…

Image and Video Processing · Electrical Eng. & Systems 2025-07-22 Mohammad R. Salmanpour , Amin Mousavi , Yixi Xu , William B Weeks , Ilker Hacihaliloglu

Recently, iris recognition is regaining prominence in immersive applications such as extended reality as a means of seamless user identification. This application scenario introduces unique challenges compared to traditional iris…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Yuxi Mi , Qiuyang Yuan , Zhizhou Zhong , Xuan Zhao , Jiaogen Zhou , Fubao Zhu , Jihong Guan , Shuigeng Zhou

Diffeomorphic deformable image registration is crucial in many medical image studies, as it offers unique, special properties including topology preservation and invertibility of the transformation. Recent deep learning-based deformable…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Tony C. W. Mok , Albert C. S. Chung

Forensic iris recognition, as opposed to live iris recognition, is an emerging research area that leverages the discriminative power of iris biometrics to aid human examiners in their efforts to identify deceased persons. As a machine…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Aidan Boyd , Daniel Moreira , Andrey Kuehlkamp , Kevin Bowyer , Adam Czajka

This paper presents a texture aware end-to-end trainable iris recognition system, specifically designed for datasets like iris having limited training data. We build upon our previous stagewise learning framework with certain key…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Manashi Chakraborty , Aritri Chakraborty , Prabir Kumar Biswas , Pabitra Mitra

Deep neural networks are applied in more and more areas of everyday life. However, they still lack essential abilities, such as robustly dealing with spatially transformed input signals. Approaches to mitigate this severe robustness issue…

Machine Learning · Computer Science 2024-05-28 Johann Schmidt , Sebastian Stober

Digital pathology is a tool of rapidly evolving importance within the discipline of pathology. Whole slide imaging promises numerous advantages; however, adoption is limited by challenges in ease of use and speed of high-quality image…

Graphics · Computer Science 2025-04-24 Ryan Erik Landvater , Ulysses Balis

Point cloud analysis is a fundamental task in 3D computer vision. Most previous works have conducted experiments on synthetic datasets with well-aligned data; while real-world point clouds are often not pre-aligned. How to achieve rotation…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Chen Zhao , Jiaqi Yang , Xin Xiong , Angfan Zhu , Zhiguo Cao , Xin Li

The systems without symmetries, e.g. the spatial and chiral symmetries, are generally thought to be improper for topological study and no conventional integral topological invariant can be well defined. In this work, with multi-band…

Mesoscale and Nanoscale Physics · Physics 2024-09-16 Yunlin Li , Jingguang Chen , Xingchao Qi , Langlang Xiong , Xianjun Wang , Yufu Liu , Fang Guan , Lei Shi , Xunya Jiang

28,000+ high-quality iris images of 1350 distinct eyes from 650+ different individuals from a relatively diverse university town population were collected. A small defined unobstructed portion of the normalized iris image is selected as a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 J. Michael Rozmus

Visual object recognition in unseen and cluttered indoor environments is a challenging problem for mobile robots. Toward this goal, we extend our previous work to propose the TOPS2 descriptor, and an accompanying recognition framework,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Ekta U. Samani , Ashis G. Banerjee

In recent years, attention mechanisms have been exploited in single image super-resolution (SISR), achieving impressive reconstruction results. However, these advancements are still limited by the reliance on simple training strategies and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Yuxuan Jiang , Chengxi Zeng , Siyue Teng , Fan Zhang , Xiaoqing Zhu , Joel Sole , David Bull

Graph topology identification (GTI) is a central challenge in networked systems, where the underlying structure is often hidden, yet nodal data are available. Conventional solutions to address these challenges rely on probabilistic models…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Yongsheng Han , Raj Thilak Rajan , Geert Leus

Iris pattern recognition has significantly improved the biometric authentication field due to its high stability and uniqueness. Such physical characteristics have played an essential role in security and other related areas. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Juan Tapia , Sebastian Gonzalez , Christoph Busch

Occluded person re-identification (ReID) aims to match occluded person images to holistic ones across dis-joint cameras. In this paper, we propose a novel framework by learning high-order relation and topology information for discriminative…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Guan'an Wang , Shuo Yang , Huanyu Liu , Zhicheng Wang , Yang Yang , Shuliang Wang , Gang Yu , Erjin Zhou , Jian Sun

This paper proposes an efficient three fold stratified SIFT matching for iris recognition. The objective is to filter wrongly paired conventional SIFT matches. In Strata I, the keypoints from gallery and probe iris images are paired using…

Computer Vision and Pattern Recognition · Computer Science 2013-01-08 Sambit Bakshi , Hunny Mehrotra , Banshidhar Majhi

Developing robust and interpretable vision systems is a crucial step towards trustworthy artificial intelligence. In this regard, a promising paradigm considers embedding task-required invariant structures, e.g., geometric invariance, in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Shuren Qi , Yushu Zhang , Chao Wang , Zhihua Xia , Xiaochun Cao , Jian Weng