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At present spoofing attacks via which biometric system is potentially vulnerable against a fake biometric characteristic, introduces a great challenge to recognition performance. Despite the availability of a broad range of presentation…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Avantika Singh , Gaurav Jaswal , Aditya Nigam

Image Registration is the process of aligning two or more images of the same scene with reference to a particular image. The images are captured from various sensors at different times and at multiple view-points. Thus to get a better…

Computer Vision and Pattern Recognition · Computer Science 2017-12-21 Sayan Nag

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

Imaging systems are increasingly used as input to convolutional neural networks (CNN) for object detection; we would like to design cameras that are optimized for this purpose. It is impractical to build different cameras and then acquire…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Zhenyi Liu , Trisha Lian , Joyce Farrell , Brian Wandell

Within the field of image and video recognition, the traditional approach is a dataset split into fixed training and test partitions. However, the labelling of the training set is time-consuming, especially as datasets grow in size and…

Computer Vision and Pattern Recognition · Computer Science 2016-12-08 Andrew Gilbert , Richard Bowden

Fingerprint reconstruction is one of the most well-known and publicized biometrics. Because of their uniqueness and consistency over time, fingerprints have been used for identification over a century, more recently becoming automated due…

Computer Vision and Pattern Recognition · Computer Science 2012-08-09 Josphineleela Ramakrishnan , Ramakrishnan Malaisamy

The widespread use of smart devices gives rise to both security and privacy concerns. Fingerprinting smart devices can assist in authenticating physical devices, but it can also jeopardize privacy by allowing remote identification without…

Cryptography and Security · Computer Science 2014-03-14 Anupam Das , Nikita Borisov , Matthew Caesar

Detecting the source model of AI-generated images is a growing accountability problem. AI fingerprinting techniques address this by detecting imperceptible patterns in the images that are unique to each model, achieving high detection…

Cryptography and Security · Computer Science 2026-05-06 Kai Yao , Marc Juarez

Computer-vision hospital systems can greatly assist healthcare workers and improve medical facility treatment, but often face patient resistance due to the perceived intrusiveness and violation of privacy associated with visual…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Edward Chou , Matthew Tan , Cherry Zou , Michelle Guo , Albert Haque , Arnold Milstein , Li Fei-Fei

Despite the fact that notable improvements have been made recently in the field of feature extraction and classification, human action recognition is still challenging, especially in images, in which, unlike videos, there is no motion.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Sina Mohammadi , Sina Ghofrani Majelan , Shahriar B. Shokouhi

Fingerprint individuality refers to the extent of uniqueness of fingerprints and is the main criteria for deciding between a match versus nonmatch in forensic testimony. Often, prints are subject to varying levels of noise, for example, the…

Applications · Statistics 2014-11-06 Sarat C. Dass , Chae Young Lim , Tapabrata Maiti

A new software-based liveness detection approach using a novel fingerprint parameterization based on quality related features is proposed. The system is tested on a highly challenging database comprising over 10,500 real and fake images…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Javier Galbally , Fernando Alonso-Fernandez , Julian Fierrez , Javier Ortega-Garcia

With the increasing widely spread digital media become using in most fields such as medical care, Oceanography, Exploration processing, security purpose, military fields and astronomy, evidence in criminals and more vital fields and then…

Cryptography and Security · Computer Science 2021-10-05 Ahmad M Nagm , Khaled Y Youssef , Mohammad I Youssef

Minutia-based palmprint recognition systems has got lots of interest in last two decades. Due to the large number of minutiae in a palmprint, approximately 1000 minutiae, the matching process is time consuming which makes it unpractical for…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Mohsen Ahmadi , Hossein Soleimani

This paper considers recognizing products from daily photos, which is an important problem in real-world applications but also challenging due to background clutters, category diversities, noisy labels, etc. We address this problem by two…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Qing Li , Xiaojiang Peng , Liangliang Cao , Wenbin Du , Hao Xing , Yu Qiao

The identification of device brands and models plays a pivotal role in the realm of multimedia forensic applications. This paper presents a framework capable of identifying devices using audio, visual content, or a fusion of them. The…

Machine Learning · Computer Science 2024-06-27 Ioannis Tsingalis , Christos Korgialas , Constantine Kotropoulos

Shots are key narrative elements of various videos, e.g. movies, TV series, and user-generated videos that are thriving over the Internet. The types of shots greatly influence how the underlying ideas, emotions, and messages are expressed.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Anyi Rao , Jiaze Wang , Linning Xu , Xuekun Jiang , Qingqiu Huang , Bolei Zhou , Dahua Lin

In this paper, we provide a novel dataset designed for camera invariant color constancy research. Camera invariance corresponds to the robustness of an algorithm's performance when run on images of the same scene taken by different cameras.…

Computer Vision and Pattern Recognition · Computer Science 2017-11-16 Caglar Aytekin , Jarno Nikkanen , Moncef Gabbouj

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

With the increasing integration of smartphones into our daily lives, fingerphotos are becoming a potential contactless authentication method. While it offers convenience, it is also more vulnerable to spoofing using various presentation…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Banafsheh Adami , Sara Tehranipoor , Nasser Nasrabadi , Nima Karimian