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Related papers: One-shot lip-based biometric authentication: exten…

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Lip-based biometric authentication (LBBA) has attracted many researchers during the last decade. The lip is specifically interesting for biometric researchers because it is a twin biometric with the potential to function both as a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Abdollah Zakeri , Hamid Hassanpour , Mohammad Hossein Khosravi , Amir Masoud Nourollah

Biometrics authentication has become increasingly popular due to its security and convenience; however, traditional biometrics are becoming less desirable in scenarios such as new mobile devices, Virtual Reality, and Smart Vehicles. For…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Huashan Chen , Yifan Xu , Yue Feng , Ming Jian , Feng Liu , Pengfei Hu , Kebin Peng , Sen He , Zi Wang

Language has always been one of humanity's defining characteristics. Visual Language Identification (VLI) is a relatively new field of research that is complex and largely understudied. In this paper, we present a preliminary study in which…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Lucia Cascone , Michele Nappi , Fabio Narducci

Lipreading or visually recognizing speech from the mouth movements of a speaker is a challenging and mentally taxing task. Unfortunately, multiple medical conditions force people to depend on this skill in their day-to-day lives for…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Bipasha Sen , Aditya Agarwal , Rudrabha Mukhopadhyay , Vinay Namboodiri , C V Jawahar

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

Lip motion reflects behavior characteristics of speakers, and thus can be used as a new kind of biometrics in speaker recognition. In the literature, lots of works used two-dimensional (2D) lip images to recognize speaker in a textdependent…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Jianrong Wang , Tong Wu , Shanyu Wang , Mei Yu , Qiang Fang , Ju Zhang , Li Liu

Audio-visual (AV) lip biometrics is a promising authentication technique that leverages the benefits of both the audio and visual modalities in speech communication. Previous works have demonstrated the usefulness of AV lip biometrics.…

Multimedia · Computer Science 2021-04-27 Meng Liu , Longbiao Wang , Kong Aik Lee , Hanyi Zhang , Chang Zeng , Jianwu Dang

Biometric systems based on Machine learning and Deep learning are being extensively used as authentication mechanisms in resource-constrained environments like smartphones and other small computing devices. These AI-powered facial…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Mohit Raghavendra , Pravan Omprakash , B R Mukesh , Sowmya Kamath

In low-resource computing contexts, such as smartphones and other tiny devices, Both deep learning and machine learning are being used in a lot of identification systems. as authentication techniques. The transparent, contactless, and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Pangoth Santhosh Kumar , Garika Akshay

Lipreading, i.e. speech recognition from visual-only recordings of a speaker's face, can be achieved with a processing pipeline based solely on neural networks, yielding significantly better accuracy than conventional methods. Feed-forward…

Computer Vision and Pattern Recognition · Computer Science 2016-02-01 Michael Wand , Jan Koutník , Jürgen Schmidhuber

Visual speech recognition is the task to decode the speech content from a video based on visual information, especially the movements of lips. It is also referenced as lipreading. Motivated by two problems existing in lipreading, words with…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Jingyun Xiao

Portrait video editing focuses on modifying specific attributes of portrait videos, guided by audio or video streams. Previous methods typically either concentrate on lip-region reenactment or require training specialized models to extract…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Tianrui Pan , Lin Liu , Jie Liu , Xiaopeng Zhang , Jie Tang , Gangshan Wu , Qi Tian

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

Latent diffusion models have made great strides in generating expressive portrait videos with accurate lip-sync and natural motion from a single reference image and audio input. However, these models are far from real-time, often requiring…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Hanzhong Guo , Hongwei Yi , Daquan Zhou , Alexander William Bergman , Michael Lingelbach , Yizhou Yu

Existing lip-sync deepfake detectors rely on pixel artifacts or audio-visual correspondence, and both fail under generator or language shift because the features they learn are tied to the training distribution. We take a different…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Hao Chen , Junnan Xu

Video editing-based talking face generation aims to preserve video details such as pose, lighting, and gestures while modifying only lip motion, often using an identity reference image to maintain speaker consistency. However, this…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Dogucan Yaman , Fevziye Irem Eyiokur , Hazım Kemal Ekenel , Alexander Waibel

Biometric authentication techniques are more consistent and efficient than conventional authentication techniques and can be used in monitoring, transaction authentication, information retrieval, access control, forensics, etc. In this…

Sound · Computer Science 2010-04-27 Anuj Mehra , Anupam Shukla , Mahender Kumawat , Rajiv Ranjan , Ritu Tiwari

Lipreading is the task of decoding text from the movement of a speaker's mouth. Traditional approaches separated the problem into two stages: designing or learning visual features, and prediction. More recent deep lipreading approaches are…

Machine Learning · Computer Science 2016-12-19 Yannis M. Assael , Brendan Shillingford , Shimon Whiteson , Nando de Freitas

Lip reading aims to predict speech based on lip movements alone. As it focuses on visual information to model the speech, its performance is inherently sensitive to personal lip appearances and movements. This makes the lip reading models…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Minsu Kim , Hyunjun Kim , Yong Man Ro

Lip reading aims to predict spoken language by analyzing lip movements. Despite advancements in lip reading technologies, performance degrades when models are applied to unseen speakers due to their sensitivity to variations in visual…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Jeong Hun Yeo , Chae Won Kim , Hyunjun Kim , Hyeongseop Rha , Seunghee Han , Wen-Huang Cheng , Yong Man Ro
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