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Usually, in a real-world scenario, few signature samples are available to train an automatic signature verification system (ASVS). However, such systems do indeed need a lot of signatures to achieve an acceptable performance. Neuromotor…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Teruo M. Maruyama , Luiz S. Oliveira , Alceu S. Britto , Robert Sabourin

Online action recognition is an important task for human centered intelligent services, which is still difficult to achieve due to the varieties and uncertainties of spatial and temporal scales of human actions. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-11-04 Guoliang Liu , Qinghui Zhang , Yichao Cao , Junwei Li , Hao Wu , Guohui Tian

Critical VR applications in domains such as healthcare, education, and finance that use traditional credentials, such as PIN, password, or multi-factor authentication, stand the chance of being compromised if a malicious person acquires the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Mingjun Li , Natasha Kholgade Banerjee , Sean Banerjee

In the present work, irregular complex joints of the human arm are modelled in the computer-aided design environment. Accurately the geometric models of the joints and surrounding bony regions are developed from computed tomography data set…

Tissues and Organs · Quantitative Biology 2018-07-11 Amit Kumar Bedaka , Ponnusamy Pandithevan

Gesturing is one of the natural modes of human communication. Signs produced by gestures can have a basic meaning coupled with additional information that is layered over the basic meaning of the sign. Sign language is an important example…

Computer Vision and Pattern Recognition · Computer Science 2014-10-16 Subhadip Basu , S. Dey , K. Mukherjee , T. S. Jana

In this paper, a writer-dependent signature verification method is proposed. Two different types of texture features, namely Wavelet and Local Quantized Patterns (LQP) features, are employed to extract two kinds of transform and statistical…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Ankan Kumar Bhunia , Alireza Alaei , Partha Pratim Roy

Skeleton based recognition systems are gaining popularity and machine learning models focusing on points or joints in a skeleton have proved to be computationally effective and application in many areas like Robotics. It is easy to track…

Computer Vision and Pattern Recognition · Computer Science 2022-07-04 Neha Baranwal , Varun Sharma

Biometric authentication by means of handwritten signatures is a challenging pattern recognition task, which aims to infer a writer model from only a handful of genuine signatures. In order to make it more difficult for a forger to attack…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Paul Maergner , Vinaychandran Pondenkandath , Michele Alberti , Marcus Liwicki , Kaspar Riesen , Rolf Ingold , Andreas Fischer

In this paper, a new method for offline handwritten signature retrieval is based on curvelet transform is proposed. Many applications in image processing require similarity retrieval of an image from a large collection of images. In such…

Computer Vision and Pattern Recognition · Computer Science 2011-04-12 M. S. Shirdhonkar , Manesh B. Kokare

Online fraud often involves identity theft. Since most security measures are weak or can be spoofed, we investigate a more nuanced and less explored avenue: behavioral biometrics via handwriting movements. This kind of data can be used to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Luis A. Leiva , Moises Diaz , Miguel A. Ferrer , Réjean Plamondon

This paper presents an accurate method for verifying online signatures. The main difficulty of signature verification come from: (1) Lacking enough training samples (2) The methods must be spatial change invariant. To deal with these…

Computer Vision and Pattern Recognition · Computer Science 2018-06-27 Mohammad Hajizadeh Saffar , Mohsen Fayyaz , Mohammad Sabokrou , Mahmood Fathy

Dynamic hand gesture recognition has attracted increasing interests because of its importance for human computer interaction. In this paper, we propose a new motion feature augmented recurrent neural network for skeleton-based dynamic hand…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Xinghao Chen , Hengkai Guo , Guijin Wang , Li Zhang

In this paper, a new behavioral biometric password based on haptic interaction is described. This "haptic password" system is built on a device that has a force-sensitive screen. The user authentication process leverages maximal overlap…

Cryptography and Security · Computer Science 2020-10-28 Junjie Yan , Tamara Bonaci , Howard Jay Chizeck

Signature verification is an authentication technique that considers handwritten signature as a biometric. From a biometric perspective this project made use of automatic means through an integration of intelligent algorithms to perform…

Signal Processing · Electrical Eng. & Systems 2018-07-30 Rozita Teymourzadeh , Martin kizito , Kok Wai Chan , Mok Vee Hoong

The area of Handwritten Signature Verification has been broadly researched in the last decades, but remains an open research problem. The objective of signature verification systems is to discriminate if a given signature is genuine…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

Online Signature Verification (OSV) is a widely used biometric attribute for user behavioral characteristic verification in digital forensics. In this manuscript, owing to large intra-individual variability, a novel method for OSV based on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Chandra Sekhar , Prerana Mukherjee , D. S. Guru , Viswanath Pulabaigari

Existing digital human models approximate the human skeletal system using rigid bodies connected by rotational joints. While the simplification is considered acceptable for legs and arms, it significantly lacks fidelity to model rich torso…

Graphics · Computer Science 2023-05-10 Seunghwan Lee , Yifeng Jiang , C. Karen Liu

Background: The performance of biometric modalities based on things done by the subject, like signature and text-based recognition, may be affected by the subject state. Fatigue is one of the conditions that can significantly affect the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Enric Sesa-Nogueras , Marcos Faundez-Zanuy , Manuel-Vicente Garnacho-Castaño

In visual surveillance systems, it is necessary to recognize the behavior of people handling objects such as a phone, a cup, or a plastic bag. In this paper, to address this problem, we propose a new framework for recognizing object-related…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Sunoh Kim , Kimin Yun , Jongyoul Park , Jin Young Choi

This paper presents a numerical method to conceive and design the kinematic model of an anthropomorphic robotic hand used for gesturing and grasping. In literature, there are few numerical methods for the finger placement of human-inspired…

Robotics · Computer Science 2015-04-07 Giulio Cerruti , Damien Chablat , David Gouaillier , Sophie Sakka