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Static authentication methods, like passwords, grow increasingly weak with advancements in technology and attack strategies. Continuous authentication has been proposed as a solution, in which users who have gained access to an account are…

Artificial Intelligence · Computer Science 2022-05-30 Nyle Siddiqui , Rushit Dave , Naeem Seliya , Mounika Vanamala

Voice interfaces are increasingly used in high stakes domains such as mobile banking, smart home security, and hands free healthcare. Meanwhile, modern generative models have made high quality voice forgeries inexpensive and easy to create,…

Cryptography and Security · Computer Science 2026-02-23 Ynes Ineza , Muhammad A. Ullah , Abdul Serwadda , Aurore Munyaneza

The challenge of talking face generation from speech lies in aligning two different modal information, audio and video, such that the mouth region corresponds to input audio. Previous methods either exploit audio-visual representation…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Se Jin Park , Minsu Kim , Joanna Hong , Jeongsoo Choi , Yong Man Ro

Biometrics based personal identification is regarded as an effective method for automatically recognizing, with a high confidence a person's identity. A multimodal biometric systems consolidate the evidence presented by multiple biometric…

Computer Vision and Pattern Recognition · Computer Science 2009-09-15 M. Nageshkumar , P. K. Mahesh , M. N. S. Swamy

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

Recent years have seen growing interest in developing and applying perceptual similarity metrics. Research has shown the superiority of perceptual metrics over pixel-wise metrics in aligning with human perception and serving as a proxy for…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Sara Ghazanfari , Alexandre Araujo , Prashanth Krishnamurthy , Farshad Khorrami , Siddharth Garg

Using our voices to access, and interact with, online services raises concerns about the trade-offs between convenience, privacy, and security. The conflict between maintaining privacy and ensuring input authenticity has often been hindered…

Computers and Society · Computer Science 2023-02-28 Ranya Aloufi , Hamed Haddadi , David Boyle

Face recognition is a widely used biometric approach. Face recognition technology has developed rapidly in recent years and it is more direct, user friendly and convenient compared to other methods. But face recognition systems are…

Computer Vision and Pattern Recognition · Computer Science 2014-05-12 Saptarshi Chakraborty , Dhrubajyoti Das

Utilization of the Internet in our everyday lives has made us vulnerable in terms of privacy and security of our data and systems. Therefore, there is a pressing need to protect our data and systems by improving authentication mechanisms,…

Cryptography and Security · Computer Science 2024-05-03 Simon Khan , Charles Devlen , Michael Manno , Daqing Hou

Lip reading, also known as visual speech recognition, aims to recognize the speech content from videos by analyzing the lip dynamics. There have been several appealing progress in recent years, benefiting much from the rapidly developed…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Dalu Feng , Shuang Yang , Shiguang Shan , Xilin Chen

Biometric signature verification has been traditionally performed in pen-based office-like scenarios using devices specifically designed for acquiring handwriting. However, the high deployment of devices such as smartphones and tablets has…

Human-Computer Interaction · Computer Science 2020-02-04 Ruben Tolosana , Ruben Vera-Rodriguez , Richard Guest , Julian Fierrez , Javier Ortega-Garcia

Lip-to-speech synthesis aims to generate speech audio directly from silent facial video by reconstructing linguistic content from lip movements, providing valuable applications in situations where audio signals are unavailable or degraded.…

Sound · Computer Science 2026-02-03 Jaejun Lee , Yoori Oh , Kyogu Lee

Lip reading has witnessed unparalleled development in recent years thanks to deep learning and the availability of large-scale datasets. Despite the encouraging results achieved, the performance of lip reading, unfortunately, remains…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Ya Zhao , Rui Xu , Xinchao Wang , Peng Hou , Haihong Tang , Mingli Song

Facial biometrics has been recently received tremendous attention as a convenient replacement for traditional authentication systems. Consequently, detecting malicious attempts has found great significance, leading to extensive studies in…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Arian Sabaghi , Marzieh Oghbaie , Kooshan Hashemifard , Mohammad Akbari

This paper presents a novel approach towards identification of human beings from the statistical analysis of their lip prints. Lip features are extracted by studying the spatial orientations of the grooves present in lip prints of…

Computer Vision and Pattern Recognition · Computer Science 2013-12-04 Saptarshi Bhattacharjee , S Arunkumar , Samir Kumar Bandyopadhyay

Portrait animation aims to synthesize talking videos from a static reference face, conditioned on audio and style frame cues (e.g., emotion and head poses), while ensuring precise lip synchronization and faithful reproduction of speaking…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 He Feng , Yongjia Ma , Donglin Di , Lei Fan , Tonghua Su , Xiangqian Wu

Biometric data is considered to be very private and highly sensitive. As such, many methods for biometric template protection were considered over the years -- from biohashing and specially crafted feature extraction procedures, to the use…

Cryptography and Security · Computer Science 2026-01-27 Eliron Rahimi , Margarita Osadchy , Orr Dunkelman

Recently, productization of face recognition and identification algorithms have become the most controversial topic about ethical AI. As new policies around digital identities are formed, we introduce three face access models in a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Umur A. Ciftci , Gokturk Yuksek , Ilke Demir

Lip-to-Speech (Lip2Speech) synthesis, which predicts corresponding speech from talking face images, has witnessed significant progress with various models and training strategies in a series of independent studies. However, existing studies…

Multimedia · Computer Science 2023-05-25 Zheng-Yan Sheng , Yang Ai , Zhen-Hua Ling

Biometric authentication systems are crucial for security, but developing them involves various complexities, including privacy, security, and achieving high accuracy without directly storing pure biometric data in storage. We introduce an…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Dmytro Zakharov , Oleksandr Kuznetsov , Emanuele Frontoni , Natalia Kryvinska