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Palmprint recognition has emerged as a prominent biometric authentication method, owing to its high discriminative power and user-friendly nature. This paper introduces a novel Cross-Chirality Palmprint Verification (CCPV) framework that…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Chengrui Gao , Ziyuan Yang , Tiong-Sik Ng , Min Zhu , Andrew Beng Jin Teoh

Contactless and online palmprint identfication offers improved user convenience, hygiene, user-security and is highly desirable in a range of applications. This technical report details an accurate and generalizable deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Yang Liu , Ajay Kumar

Palmprint recognition has drawn a lot of attention during the recent years. Many algorithms have been proposed for palmprint recognition in the past, majority of them being based on features extracted from the transform domain. Many of…

Computer Vision and Pattern Recognition · Computer Science 2016-03-31 Shervin Minaee , Yao Wang

Contactless palmprints are comprised of both global and local discriminative features. Most prior work focuses on extracting global features or local features alone for palmprint matching, whereas this research introduces a novel framework…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Steven A. Grosz , Akash Godbole , Anil K. Jain

This paper explores the automated analysis of palmar features using machine learning techniques. We present a computer vision pipeline that extracts key characteristics from palm images, such as principal line structures, texture, and shape…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Shweta Patil

With the rapid development of mobile devices, smartphones have gradually become an indispensable part of people's lives. Meanwhile, biometric authentication has been corroborated to be an effective method for establishing a person's…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Yingyi Zhang , Lin Zhang , Ruixin Zhang , Shaoxin Li , Jilin Li , Feiyue Huang

Deep palmprint recognition has become an emerging issue with great potential for personal authentication on handheld and wearable consumer devices. Previous studies of palmprint recognition are mainly based on constrained datasets collected…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Huikai Shao , Dexing Zhong , Xuefeng Du

Current finger-vein or palm-vein recognition systems usually require direct contact of the subject with the apparatus. This can be problematic in environments where hygiene is of primary importance. In this work we present a contactless…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 David Geissbühler , Sushil Bhattacharjee , Ketan Kotwal , Guillaume Clivaz , Sébastien Marcel

Registration is a core component of many imaging pipelines. In case of clinical scans, with lower resolution and sometimes substantial motion artifacts, registration can produce poor results. Visual assessment of registration quality in…

Developing and least developed countries face the dire challenge of ensuring that each child in their country receives required doses of vaccination, adequate nutrition and proper medication. International agencies such as UNICEF, WHO and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Anil K. Jain , Akash Godbole , Anjoo Bhatnagar , Prem Sewak Sudhish

Palmprint recognition is widely used in biometric systems, yet real-world performance often degrades due to feature distribution shifts caused by heterogeneous deployment conditions. Most deep palmprint models assume a closed and stationary…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Chenke Zhang , Ziyuan Yang , Licheng Yan , Shuyi Li , Andrew Beng Jin Teoh , Bob Zhang , Yi Zhang

A new approach for signature region of interest pre-processing was presented. It used new auto cropping preparation on the basis of the image content, where the intensity value of pixel is the source of cropping. This approach provides both…

Computer Vision and Pattern Recognition · Computer Science 2010-04-22 Bassam Al-Mahadeen , Mokhled S. AlTarawneh , Islam H. AlTarawneh

Palmprint recognition has emerged as a prominent biometric technology, widely applied in diverse scenarios. Traditional handcrafted methods for palmprint recognition often fall short in representation capability, as they heavily depend on…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Chengrui Gao , Ziyuan Yang , Wei Jia , Lu Leng , Bob Zhang , Andrew Beng Jin Teoh

Biometric authentication has garnered significant attention as a secure and efficient method of identity verification. Among the various modalities, hand vein biometrics, including finger vein, palm vein, and dorsal hand vein recognition,…

Image and Video Processing · Electrical Eng. & Systems 2024-09-12 Mustapha Hemis , Hamza Kheddar , Sami Bourouis , Nasir Saleem

Palmprint recognition techniques have advanced significantly in recent years, enabling reliable recognition even when palmprints are captured in uncontrolled or challenging environments. However, this strength also introduces new risks, as…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Licheng Yan , Bob Zhang , Andrew Beng Jin Teoh , Lu Leng , Shuyi Li , Yuqi Wang , Ziyuan Yang

Palmprint recognition has become more and more popular due to its advantages over other biometric modalities such as fingerprint, in that it is larger in area, richer in information and able to work at a distance. However, the issue of…

Cryptography and Security · Computer Science 2022-11-10 Weiqiang Zhao , Heng Zhao , Zhicheng Cao , Liaojun Pang

Nowadays, cardiac diagnosis largely depends on left ventricular function assessment. With the help of the segmentation deep learning model, the assessment of the left ventricle becomes more accessible and accurate. However, deep learning…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Hang Duong Thi Thuy , Tuan Nguyen Minh , Phi Nguyen Van , Long Tran Quoc

Palmprint recognition is significantly limited by the lack of large-scale publicly available datasets. Previous methods have adopted B\'ezier curves to simulate the palm creases, which then serve as input for conditional GANs to generate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jianlong Jin , Chenglong Zhao , Ruixin Zhang , Sheng Shang , Jianqing Xu , Jingyun Zhang , ShaoMing Wang , Yang Zhao , Shouhong Ding , Wei Jia , Yunsheng Wu

The use of deep learning methods to extract vascular biometric patterns from the palm surface has been of interest among researchers in recent years. In many biometric recognition tasks, there is a limit in the number of training samples.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Felix Marattukalam , Waleed H. Abdulla , Akshya Swain

Effective distribution of nutritional and healthcare aid for children, particularly infants and toddlers, in some of the least developed and most impoverished countries of the world, is a major problem due to the lack of reliable…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Akash Godbole , Steven A. Grosz , Anil K. Jain