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This publication presents methods for face detection, analysis and recognition: fast normalized cross-correlation (fast correlation coefficient) between multiple templates based face pre-detection method, method for detection of exact face…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Vytautas Perlibakas

Submovements are ballistic components of human motion constituting a large part of motor interaction and arising from the cyclical and overlapping cognitive processes of perception, motor planning, and motor execution. Extracting…

Human-Computer Interaction · Computer Science 2026-04-23 Auejin Ham , Ben Boudaoud

Wireless fingerprinting refers to a device identification method leveraging hardware imperfections and wireless channel variations as signatures. Beyond physical layer characteristics, recent studies demonstrated that user behaviors could…

Information Theory · Computer Science 2023-08-30 Teng-Hui Huang , Thilini Dahanayaka , Kanchana Thilakarathna , Philip H. W. Leong , Hesham El Gamal

This paper presents an effective method for fingerprint verification based on a data mining technique called minutiae clustering and a graph-theoretic approach to analyze the process of fingerprint comparison to give a feature space…

Computer Vision and Pattern Recognition · Computer Science 2010-06-15 Minakshi Gogoi , D K Bhattacharyya

In this paper the Modified Fractal Signature method is applied to real Synthetic Aperture Radar images provided to our research group by SET 163 Working Group on SAR radar techniques. This method uses the blanket technique to provide useful…

Computer Vision and Pattern Recognition · Computer Science 2014-01-14 A. Malamou , C. Pandis , P. Frangos , P. Stefaneas , A. Karakasiliotis , D. Kodokostas

Sonography techniques use multiple transducer elements for tissue visualization. Signals detected at each element are sampled prior to digital beamforming. The required sampling rates are up to 4 times the Nyquist rate of the signal and…

Information Theory · Computer Science 2012-12-21 T. Chernyakova , Y. C. Eldar , R. Amit

Segmentation, a useful/powerful technique in pattern recognition, is the process of identifying object outlines within images. There are a number of efficient algorithms for segmentation in Euclidean space that depend on the variational…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Xiaohao Cai , Christopher G. R. Wallis , Jennifer Y. H. Chan , Jason D. McEwen

Visual inspection of industrial products is used to determine the control quality for these products. This paper deals with the problem of visual inspection of ceramic tiles industry using Wavelet Transform. The third level the coefficients…

Other Computer Science · Computer Science 2010-03-10 Samir Elmougy , Ibrahim El-Henawy , Ahmed El-Azab

Cloud detection is a specialized application of image recognition and object detection using remotely sensed data. The task presents a number of challenges, including analyzing images obtained in visible, infrared and multi-spectral…

Signal Processing · Electrical Eng. & Systems 2020-07-28 Philippe Reiter

Recognizing an activity with a single reference sample using metric learning approaches is a promising research field. The majority of few-shot methods focus on object recognition or face-identification. We propose a metric learning…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Raphael Memmesheimer , Nick Theisen , Dietrich Paulus

In the paper, we combined DSP processor with image processing algorithm and studied the method of water meter character recognition. We collected water meter image through camera at a fixed angle, and the projection method is used to…

Computer Vision and Pattern Recognition · Computer Science 2015-08-28 Ying Liu , Yan-bin Han , Yu-lin Zhang

The proliferation of sophisticated generative models has significantly advanced the realism of synthetic facial content, known as deepfakes, raising serious concerns about digital trust. Although modern deep learning-based detectors perform…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Salar Adel Sabri , Ramadhan J. Mstafa

A semi-fragile watermarking scheme for multiple band images is presented in this article. We propose to embed a mark into remote sensing images applying a tree-structured vector quantization approach to the pixel signatures instead of…

Cryptography and Security · Computer Science 2025-07-11 Jordi Serra-Ruiz , David Megías

The paper is aimed for a wavelet based steganographic or watermarking technique in frequency domain termed as WASTIR for secret message or image transmission or image authentication. Number system conversion of the secret image by changing…

Cryptography and Security · Computer Science 2013-05-17 Madhumita Sengupta , J. K. Mandal

In this article, we investigate the application of wavelet packet transform as a novel spectrum sensing approach. The main attraction for wavelet packets is the tradeoffs they offer in terms of satisfying various performance metrics such as…

Information Theory · Computer Science 2013-04-16 Dyonisius Dony Ariananda , Madan Kumar Lakshmanan , Homayoun Nikookar

This paper proposes a novel scheme to identify the authorship of a document based on handwritten input word images of an individual. Our approach is text-independent and does not place any restrictions on the size of the input word images…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Vineet Kumar , Suresh Sundaram

With the advent of powerful telescopes such as the Square Kilometer Array and the Vera C. Rubin Observatory, we are entering an era of multiwavelength transient astronomy that will lead to a dramatic increase in data volume. Machine…

Instrumentation and Methods for Astrophysics · Physics 2021-03-09 K. Sooknunan , M. Lochner , Bruce A. Bassett , H. V. Peiris , R. Fender , A. J. Stewart , M. Pietka , P. A. Woudt , J. D. McEwen , O. Lahav

We present in this paper a new approach for hand gesture analysis that allows digit recognition. The analysis is based on extracting a set of features from a hand image and then combining them by using an induction graph. The most important…

Computer Vision and Pattern Recognition · Computer Science 2009-06-30 Ahmed Ben Jmaa , Walid Mahdi , Yousra Ben Jemaa , Abdelmajid Ben Hamadou

We propose a new method for (global) Hurst exponent determination based on wavelets. Using this method, we analyze synthetic data with predefined Hurst exponents, fracture surfaces and data from economy. The results are compared with those…

Materials Science · Physics 2010-05-04 Ingve Simonsen , Alex Hansen , Olav Magnar Nes

We present a Fourier-based machine learning technique that characterizes and detects facial emotions. The main challenging task in the development of machine learning (ML) models for classifying facial emotions is the detection of accurate…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Aishwarya Gouru , Shan Suthaharan