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Related papers: Segmentation-Aware and Adaptive Iris Recognition

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Existing Referring Image Segmentation (RIS) methods typically require expensive pixel-level or box-level annotations for supervision. In this paper, we observe that the referring texts used in RIS already provide sufficient information to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Fang Liu , Yuhao Liu , Yuqiu Kong , Ke Xu , Lihe Zhang , Baocai Yin , Gerhard Hancke , Rynson Lau

This paper proposes the first known to us open source hardware and software iris recognition system with presentation attack detection (PAD), which can be easily assembled for about 75 USD using Raspberry Pi board and a few peripherals. The…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Zhaoyuan Fang , Adam Czajka

Semantic segmentation is essential for analyzing highdefinition remote sensing images (HRSIs) because it allows the precise classification of objects and regions at the pixel level. However, remote sensing data present challenges owing to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Sachin Verma , Frank Lindseth , Gabriel Kiss

In this paper, we present a texture aware lightweight deep learning framework for iris recognition. Our contributions are primarily three fold. Firstly, to address the dearth of labelled iris data, we propose a reconstruction loss guided…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 Manashi Chakraborty , Mayukh Roy , Prabir Kumar Biswas , Pabitra Mitra

Eye image segmentation is a critical step in eye tracking that has great influence over the final gaze estimate. Segmentation models trained using supervised machine learning can excel at this task, their effectiveness is determined by the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Viet Dung Nguyen , Reynold Bailey , Gabriel J. Diaz , Chengyi Ma , Alexander Fix , Alexander Ororbia

When compared to unimodal systems, multimodal biometric systems have several advantages, including lower error rate, higher accuracy, and larger population coverage. However, multimodal systems have an increased demand for integrity and…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Veeru Talreja , Matthew Valenti , Nasser Nasrabadi

This paper presents the first evaluation framework for Web search query segmentation based directly on IR performance. In the past, segmentation strategies were mainly validated against manual annotations. Our work shows that the goodness…

Information Retrieval · Computer Science 2015-03-19 Rishiraj Saha Roy , Niloy Ganguly , Monojit Choudhury , Srivatsan Laxman

Automatic face recognition is an area with immense practical potential which includes a wide range of commercial and law enforcement applications. Hence it is unsurprising that it continues to be one of the most active research areas of…

Computer Vision and Pattern Recognition · Computer Science 2014-02-03 Reza Shoja Ghiass , Ognjen Arandjelovic , Hakim Bendada , Xavier Maldague

Digital agents are increasingly employed to automate tasks in interactive digital environments such as web pages, software applications, and operating systems. While text-based agents built on Large Language Models (LLMs) often require…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Zhiqi Ge , Juncheng Li , Xinglei Pang , Minghe Gao , Kaihang Pan , Wang Lin , Hao Fei , Wenqiao Zhang , Siliang Tang , Yueting Zhuang

Assistive technologies for the visually impaired have evolved to facilitate interaction with a complex and dynamic world. In this paper, we introduce AIris, an AI-powered wearable device that provides environmental awareness and interaction…

Human-Computer Interaction · Computer Science 2024-08-13 Dionysia Danai Brilli , Evangelos Georgaras , Stefania Tsilivaki , Nikos Melanitis , Konstantina Nikita

In this paper, we tackle the challenge of face recognition in the wild, where images often suffer from low quality and real-world distortions. Traditional heuristic approaches-either training models directly on these degraded images or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Yunhao Liu , Yu-Ju Tsai , Kelvin C. K. Chan , Xiangtai Li , Lu Qi , Ming-Hsuan Yang

Semantic segmentation models trained on public datasets have achieved great success in recent years. However, these models didn't consider the personalization issue of segmentation though it is important in practice. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Yu Zhang , Chang-Bin Zhang , Peng-Tao Jiang , Ming-Ming Cheng , Feng Mao

Recent progress in image recognition has stimulated the deployment of vision systems at an unprecedented scale. As a result, visual data are now often consumed not only by humans but also by machines. Existing image processing methods only…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Zhuang Liu , Hung-Ju Wang , Tinghui Zhou , Zhiqiang Shen , Bingyi Kang , Evan Shelhamer , Trevor Darrell

Human identification has always been a topic that interested researchers around the world. Biometric methods are found to be more effective and much easier for the users than the traditional identification methods like keys, smart cards and…

Computer Vision and Pattern Recognition · Computer Science 2013-09-30 Bijeesh T. , Nimmi I. P

We present a new instance segmentation approach tailored to biological images, where instances may correspond to individual cells, organisms or plant parts. Unlike instance segmentation for user photographs or road scenes, in biological…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Victor Kulikov , Victor Lempitsky

Ocular biometric systems working in unconstrained environments usually face the problem of small within-class compactness caused by the multiple factors that jointly degrade the quality of the obtained data. In this work, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Luiz A. Zanlorensi , Hugo Proença , David Menotti

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

This paper presents a unique study of post-mortem human iris recognition and the first known to us database of near-infrared and visible-light iris images of deceased humans collected up to almost 17 days after death. We used four different…

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

Face detection is an essential step in many computer vision applications like surveillance, tracking, medical analysis, facial expression analysis etc. Several approaches have been made in the direction of face detection. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-14 Anjith George , Anirban Dasgupta , Aurobinda Routray

In this paper, we consider a privacy preserving encoding framework for identification applications covering biometrics, physical object security and the Internet of Things (IoT). The proposed framework is based on a sparsifying transform,…

Cryptography and Security · Computer Science 2017-10-02 Behrooz Razeghi , Slava Voloshynovskiy , Dimche Kostadinov , Olga Taran
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