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This paper presents a real-time pipeline for dynamic arm gesture recognition based on OpenPose keypoint estimation, keypoint normalization, and a recurrent neural network classifier. The 1 x 1 normalization scheme and two feature…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Milán Zsolt Bagladi , László Gulyás , Gergő Szalay

This paper presents an effective method for fingerprint classification using data mining approach. Initially, it generates a numeric code sequence for each fingerprint image based on the ridge flow patterns. Then for each class, a seed is…

计算机视觉与模式识别 · 计算机科学 2012-11-21 Monowar H. Bhuyan , Sarat Saharia , Dhruba Kr Bhattacharyya

Distortion of the fingerprint images leads to a decline in fingerprint recognition performance, and fingerprint registration can mitigate this distortion issue by accurately aligning two fingerprint images. Currently, fingerprint…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Yuwei Jia , Zhe Cui , Fei Su

Fingerprint recognition is widely used for verification and identification in many commercial, governmental and forensic applications. The orientation field (OF) plays an important role at various processing stages in fingerprint…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Carsten Gottschlich , Benjamin Tams , Stephan Huckemann

In this study we show that by the current state-of-the-art synthetically generated fingerprints can easily be discriminated from real fingerprints. We propose a method based on second order extended minutiae histograms (MHs) which can…

计算机视觉与模式识别 · 计算机科学 2014-12-23 Carsten Gottschlich , Stephan Huckemann

In this paper, we propose an efficient method to provide personal identification using fingerprint to get better accuracy even in noisy condition. The fingerprint matching based on the number of corresponding minutia pairings, has been in…

计算机视觉与模式识别 · 计算机科学 2013-11-15 V. Karthikeyan , V. J. Vijayalakshmi

Fingertips detection has been used in many applications, and it is very popular and commonly used in the area of Human Computer Interaction these days. This paper presents a novel time efficient method that will lead to fingertip detection…

计算机视觉与模式识别 · 计算机科学 2015-03-13 Jagdish Lal Raheja , Karen Das , Ankit Chaudhary

The vulnerabilities of fingerprint-based recognition systems to direct attacks with and without the cooperation of the user are studied. Two different systems, one minutiae-based and one ridge feature-based, are evaluated on a database of…

计算机视觉与模式识别 · 计算机科学 2022-12-16 J. Galbally , J. Fierrez , F. Alonso-Fernandez , M. Martinez-Diaz

Fingerprint verification and identification algorithms based on minutiae features are used in many biometric systems today (e.g., governmental e-ID programs, border control, AFIS, personal authentication for portable devices). Researchers…

计算机视觉与模式识别 · 计算机科学 2013-05-09 Mehmet Kayaoglu , Berkay Topcu , Umut Uludag

One of the open issues in fingerprint verification is the lack of robustness against image-quality degradation. Poor-quality images result in spurious and missing features, thus degrading the performance of the overall system. Therefore, it…

Fringe pattern based measurement techniques are the state-of-the-art in full-field optical metrology. They are crucial both in macroscale, e.g., fringe projection profilometry, and microscale, e.g., label-free quantitative phase microscopy.…

图像与视频处理 · 电气工程与系统科学 2023-10-25 Maria Cywinska , Mikolaj Rogalski , Filip Brzeski , Krzysztof Patorski , Maciej Trusiak

The use of physical and behavioral characteristics for human identification is known as biometrics. Among the many biometrics traits available, the fingerprint is the most widely used. The fingerprint identification is based on the…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Lucas Alexandre Ramos , Aparecido Nilceu Marana

Biometrics which use of human physiological characteristics for identifying an individual is now a widespread method of identification and authentication. Biometric identification is a technology which uses several image processing…

计算机视觉与模式识别 · 计算机科学 2012-10-24 Rachita Misra , Kasturika B ray

Fingerprinting is a popular indoor localization technique since it can utilize existing infrastructures (e.g., access points). However, its site survey process is a labor-intensive and time-consuming task, which limits the application of…

网络与互联网体系结构 · 计算机科学 2020-09-09 Fuqiang Gu , Milad Ramezani , Kourosh Khoshelham , Xiaoping Zheng , Ruiqin Zhou , Jianga Shang

In this paper, we propose a method to represent a fingerprint image by an ordered, fixed-length bit-string providing improved accuracy performance, faster matching time and compressibility. First, we devise a novel minutia-based local…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Jun Beom Kho , Andrew B. J. Teoh , Wonjune Lee , Jaihie Kim

Orientation estimation is a fundamental task in 3D shape analysis which consists of estimating a shape's orientation axes: its side-, up-, and front-axes. Using this data, one can rotate a shape into canonical orientation, where its…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Christopher Scarvelis , David Benhaim , Paul Zhang

Point constellation recognition is a common problem with many pattern matching applications. Whilst useful in many contexts, this work is mainly motivated by fingerprint matching. Fingerprints are traditionally modelled as constellations of…

Robust governance of GPU chips is important for mitigating risks from unauthorized development of advanced AI models. Current methods for monitoring chip location rely on ping-based protocols backed by cryptographic keys stored on-chip.…

密码学与安全 · 计算机科学 2026-05-05 Wayne Tee , Jonathan Happel

In this paper we propose a novel fingerprint indexing approach for speeding up in the fingerprint recognition system. What kind of features are used for indexing and how to employ the extracted features for searching are crucial for the…

计算机视觉与模式识别 · 计算机科学 2018-11-22 Gwang-Il Ri , Chol-Gyun Ri , Su-Rim Ji

The proposed system outlined in this paper is a solution to a use case that requires the autonomous picking of cuboidal objects from an organized or unorganized pile with high precision. This paper presents an efficient method for precise…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Utsav Rai , Hardik Mehta , Vismay Vakharia , Aditya Choudhary , Amit Parmar , Rolif Lima , Kaushik Das