English
Related papers

Related papers: Signature Forgery Detection: Improving Cross-Datas…

200 papers

Machine learning-based Deepfake detection models have achieved impressive results on benchmark datasets, yet their performance often deteriorates significantly when evaluated on out-of-distribution data. In this work, we investigate an…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Haroon Wahab , Hassan Ugail , Lujain Jaleel

A genuine signer's signature is naturally unstable even at short time-intervals whereas, expert forgers always try to perfectly mimic a genuine signer's signature. This presents a challenge which puts a genuine signer at risk of being…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Paul Brimoh , Chollette C. Olisah

Face anti-spoofing (FAS) and face forgery detection play vital roles in securing face biometric systems from presentation attacks (PAs) and vicious digital manipulation (e.g., deepfakes). Despite promising performance upon large-scale data…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Zitong Yu , Rizhao Cai , Zhi Li , Wenhan Yang , Jingang Shi , Alex C. Kot

The rapid advancement of photorealistic generators has reached a critical juncture where the discrepancy between authentic and manipulated images is increasingly indistinguishable. Thus, benchmarking and advancing techniques detecting…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Yaning Zhang , Zitong Yu , Tianyi Wang , Xiaobin Huang , Linlin Shen , Zan Gao , Jianfeng Ren

Signatures present on corporate documents are often used in investigations of relationships between persons of interest, and prior research into the task of offline signature verification has evaluated a wide range of methods on standard…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Nikhil Woodruff , Amir Enshaei , Bashar Awwad Shiekh Hasan

Automatic recognition of signature is a challenging problem which has received much attention during recent years due to its many applications in different fields. Signature has been used for long time for verification and authentication…

Computer Vision and Pattern Recognition · Computer Science 2013-11-08 Ankit Chadha , Neha Satam , Vibha Wali

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

Sign language detection, identifying if someone is signing or not, is becoming crucially important for its applications in remote conferencing software and for selecting useful sign data for training sign language recognition or translation…

Computation and Language · Computer Science 2023-03-21 Abhilash Pal , Stephan Huber , Cyrine Chaabani , Alessandro Manzotti , Oscar Koller

Face Forgery Detection (FFD), or Deepfake detection, aims to determine whether a digital face is real or fake. Due to different face synthesis algorithms with diverse forgery patterns, FFD models often overfit specific patterns in training…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Zonghui Guo , Yingjie Liu , Jie Zhang , Haiyong Zheng , Shiguang Shan

As ultra-realistic face forgery techniques emerge, deepfake detection has attracted increasing attention due to security concerns. Many detectors cannot achieve accurate results when detecting unseen manipulations despite excellent…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Zihan Liu , Hanyi Wang , Shilin Wang

Sequential and temporal data arise in many fields of research, such as quantitative finance, medicine, or computer vision. A novel approach for sequential learning, called the signature method and rooted in rough path theory, is considered.…

Machine Learning · Statistics 2020-12-10 Adeline Fermanian

Face signatures, including size, shape, texture, skin tone, eye color, appearance, and scars/marks, are widely used as discriminative, biometric information for access control. Despite recent advancements in facial recognition systems,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Jennifer Hamblin , Kshitij Nikhal , Benjamin S. Riggan

Typical fingerprint recognition systems are comprised of a spoof detection module and a subsequent recognition module, running one after the other. In this paper, we reformulate the workings of a typical fingerprint recognition system. In…

Computer Vision and Pattern Recognition · Computer Science 2021-07-26 Additya Popli , Saraansh Tandon , Joshua J. Engelsma , Naoyuki Onoe , Atsushi Okubo , Anoop Namboodiri

The area of Handwritten Signature Verification has been broadly researched in the last decades, but remains an open research problem. In offline (static) signature verification, the dynamic information of the signature writing process is…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Sourya Dipta Das , Himanshu Ladia , Vaibhav Kumar , Shivansh Mishra

Facial forgery methods such as deepfakes can be misused for identity manipulation and spreading misinformation. They have evolved alongside advancements in generative AI, leading to new and more sophisticated forgery techniques that diverge…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Nadarasar Bahavan , Sachith Seneviratne , Sanjay Saha , Ken Chen , Sanka Rasnayaka , Saman Halgamuge

As the saying goes, "seeing is believing". However, with the development of digital face editing tools, we can no longer trust what we can see. Although face forgery detection has made promising progress, most current methods are designed…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Xiao Jin , Xin-Yue Mu , Jing Xu

This paper focuses on improving face recognition performance with a new signature combining implicit facial features with explicit soft facial attributes. This signature has two components: the existing patch-based features and the soft…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Lingfeng Zhang , Pengfei Dou , Ioannis A. Kakadiaris

This article presents SVC-onGoing, an on-going competition for on-line signature verification where researchers can easily benchmark their systems against the state of the art in an open common platform using large-scale public databases,…

Fingerprint recognition remains one of the most reliable biometric technologies due to its high accuracy and uniqueness. Traditional systems rely on contact-based scanners, which are prone to issues such as image degradation from surface…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 S Sreehari , Dilavar P D , S M Anzar , Alavikunhu Panthakkan , Saad Ali Amin

In the field of fraud detection, the availability of comprehensive and privacy-compliant datasets is crucial for advancing machine learning research and developing effective anti-fraud systems. Traditional datasets often focus on…

Machine Learning · Computer Science 2024-04-24 Phoebe Jing , Yijing Gao , Xianlong Zeng