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The goal of this work is the identification of humans based on motion data in the form of natural hand gestures. In this paper, the identification problem is formulated as classification with classes corresponding to persons' identities,…

Human-Computer Interaction · Computer Science 2013-03-20 Michał Romaszewski , Przemysław Głomb , Piotr Gawron

Handle-based mesh deformation is a classic paradigm in computer graphics which enables intuitive edits from sparse controls. Classical techniques are fast and precise, but require users to know ideal handle placement apriori, which can be…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Richard Liu , Itai Lang , Rana Hanocka

Personal identification problem has been a major field of research in recent years. Biometrics-based technologies that exploit fingerprints, iris, face, voice and palmprints, have been in the center of attention to solve this problem.…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Sina Akbari Mistani , Shervin Minaee , Emad Fatemizadeh

This paper proposes a new approach for face verification, where a pair of images needs to be classified as belonging to the same person or not. This problem is relatively new and not well-explored in the literature. Current methods mostly…

Computer Vision and Pattern Recognition · Computer Science 2013-10-01 Dong Zhang , Omar Oreifej , Mubarak Shah

Local feature extraction is a standard approach in computer vision for tackling important tasks such as image matching and retrieval. The core assumption of most methods is that images undergo affine transformations, disregarding more…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Guilherme Potje , Felipe Cadar , Andre Araujo , Renato Martins , Erickson R. Nascimento

With the rapid development of deep generative models (such as Generative Adversarial Networks and Diffusion models), AI-synthesized images are now of such high quality that humans can hardly distinguish them from pristine ones. Although…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Yan Ju , Shan Jia , Jialing Cai , Haiying Guan , Siwei Lyu

In the beginning stage, face verification is done using easy method of geometric algorithm models, but the verification route has now developed into a scientific progress of complicated geometric representation and identical procedure. In…

Computer Vision and Pattern Recognition · Computer Science 2014-03-24 V. Karthikeyan , K. Vijayalakshmi , P. Jeyakumar

This paper presents a user interface designed to enable computer cursor control through hand detection and gesture classification. A comprehensive hand dataset comprising 6720 image samples was collected, encompassing four distinct classes:…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Yalda Foroutan , Ahmad Kalhor , Saeid Mohammadi Nejati , Samad Sheikhaei

Mesh deformation plays a pivotal role in many 3D vision tasks including dynamic simulations, rendering, and reconstruction. However, defining an efficient discrepancy between predicted and target meshes remains an open problem. A prevalent…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Tung Le , Khai Nguyen , Shanlin Sun , Kun Han , Nhat Ho , Xiaohui Xie

Face recognition presents a challenging problem in the field of image analysis and computer vision. The security of information is becoming very significant and difficult. Security cameras are presently common in airports, Offices,…

Computer Vision and Pattern Recognition · Computer Science 2014-03-04 Divyarajsinh N. Parmar , Brijesh B. Mehta

Recent research on biometrics focuses on achieving a high success rate of authentication and addressing the concern of various spoofing attacks. Although hand geometry recognition provides adequate security over unauthorized access, it is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Asish Bera , Ratnadeep Dey , Debotosh Bhattacharjee , Mita Nasipuri , Hubert P. H. Shum

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

A new method for multinomial inference is proposed by representing the cell probabilities as unordered segments on the unit interval and following Dempster-Shafer (DS) theory. The resulting DS posterior is then strengthened to improve…

Methodology · Statistics 2024-10-10 Earl C. Lawrence , Alexander C. Murph , Scott A. Vander Wiel , Chaunhai Liu

A face morph is created by combining two face images corresponding to two identities to produce a composite that successfully matches both the constituent identities. Reference-free (RF) demorphing reverses this process using only the morph…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Nitish Shukla , Arun Ross

Gesture recognition is a much studied research area which has myriad real-world applications including robotics and human-machine interaction. Current gesture recognition methods have focused on recognising isolated gestures, and existing…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Harshala Gammulle , Simon Denman , Sridha Sridharan , Clinton Fookes

This work presents the application of weighted majority voting technique for combination of classification decision obtained from three Multi_Layer Perceptron(MLP) based classifiers for Recognition of Handwritten Devnagari characters using…

Computer Vision and Pattern Recognition · Computer Science 2010-07-01 Sandhya Arora , Debotosh Bhattacharjee , Mita Nasipuri , Dipak Kumar Basu , Mahantapas Kundu

This paper presents a feature level fusion approach which uses the improved K-medoids clustering algorithm and isomorphic graph for face and palmprint biometrics. Partitioning around medoids (PAM) algorithm is used to partition the set of n…

Computer Vision and Pattern Recognition · Computer Science 2010-04-13 Dakshina Ranjan Kisku , Phalguni Gupta , Jamuna Kanta Sing

Hand detection is essential for many hand related tasks, e.g. parsing hand pose, understanding gesture, which are extremely useful for robotics and human-computer interaction. However, hand detection in uncontrolled environments is…

Computer Vision and Pattern Recognition · Computer Science 2016-12-09 Xiaoming Deng , Ye Yuan , Yinda Zhang , Ping Tan , Liang Chang , Shuo Yang , Hongan Wang

Finger vein verification has developed a lot since its first proposal, but there is still not a perfect algorithm. It is proved that algorithms with the same overall accuracy may have different misclassified patterns. We could make use of…

Computer Vision and Pattern Recognition · Computer Science 2016-12-20 Liao Ni , Yi Zhang , He Zheng , Shilei Liu , Houjun Huang , Wenxin Li

For image recognition and labeling tasks, recent results suggest that machine learning methods that rely on manually specified feature representations may be outperformed by methods that automatically derive feature representations based on…

Computer Vision and Pattern Recognition · Computer Science 2013-12-24 John A. Bogovic , Gary B. Huang , Viren Jain