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Related papers: Decoding visemes: improving machine lipreading

200 papers

Visual speech recognition (VSR), commonly known as lip reading, has garnered significant attention due to its wide-ranging practical applications. The advent of deep learning techniques and advancements in hardware capabilities have…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Bowen Hao , Dongliang Zhou , Xiaojie Li , Xingyu Zhang , Liang Xie , Jianlong Wu , Erwei Yin

Human lip-reading is a challenging task. It requires not only knowledge of underlying language but also visual clues to predict spoken words. Experts need certain level of experience and understanding of visual expressions learning to…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 M Faisal , Sanaullah Manzoor

The goal of this paper is to develop state-of-the-art models for lip reading -- visual speech recognition. We develop three architectures and compare their accuracy and training times: (i) a recurrent model using LSTMs; (ii) a fully…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Triantafyllos Afouras , Joon Son Chung , Andrew Zisserman

Visual lip gestures observed whilst lipreading have a few working definitions, the most common two are; `the visual equivalent of a phoneme' and `phonemes which are indistinguishable on the lips'. To date there is no formal definition, in…

Image and Video Processing · Electrical Eng. & Systems 2018-05-09 Helen L Bear , Richard Harvey

Visemes are the visual equivalent of phonemes. Although not precisely defined, a working definition of a viseme is "a set of phonemes which have identical appearance on the lips". Therefore a phoneme falls into one viseme class but a viseme…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Helen L Bear , Richard Harvey

Speech is the most common communication method between humans and involves the perception of both auditory and visual channels. Automatic speech recognition focuses on interpreting the audio signals, but it has been demonstrated that video…

Computer Vision and Pattern Recognition · Computer Science 2017-04-27 Adriana Fernandez-Lopez , Federico M. Sukno

In this paper some of the different techniques used to localize the lips from the face are discussed and compared along with its processing steps. Lip localization is the basic step needed to read the lips for extracting visual information…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 S. D. Lalitha , K. K. Thyagharajan

Language models (LM) are very powerful in lipreading systems. Language models built upon the ground truth utterances of datasets learn grammar and structure rules of words and sentences (the latter in the case of continuous speech).…

Audio and Speech Processing · Electrical Eng. & Systems 2018-09-19 Helen L Bear

Lip Reading, or Visual Automatic Speech Recognition (V-ASR), is a complex task requiring the interpretation of spoken language exclusively from visual cues, primarily lip movements and facial expressions. This task is especially challenging…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Marshall Thomas , Edward Fish , Richard Bowden

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, 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

Lip reading is used to understand or interpret speech without hearing it, a technique especially mastered by people with hearing difficulties. The ability to lip read enables a person with a hearing impairment to communicate with others and…

Computer Vision and Pattern Recognition · Computer Science 2014-09-05 Ahmad B. A. Hassanat

Lipreading has a lot of potential applications such as in the domain of surveillance and video conferencing. Despite this, most of the work in building lipreading systems has been limited to classifying silent videos into classes…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-03 Yaman Kumar , Rohit Jain , Khwaja Mohd. Salik , Rajiv Ratn Shah , Yifang yin , Roger Zimmermann

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

The goal of this paper is to learn strong lip reading models that can recognise speech in silent videos. Most prior works deal with the open-set visual speech recognition problem by adapting existing automatic speech recognition techniques…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 K R Prajwal , Triantafyllos Afouras , Andrew Zisserman

Recent progress in Spoken Language Modeling has shown that learning language directly from speech is feasible. Generating speech through a pipeline that operates at the text level typically loses nuances, intonations, and non-verbal…

Computation and Language · Computer Science 2024-10-31 Maxime Poli , Emmanuel Chemla , Emmanuel Dupoux

Visual recognition of speech using the lip movement is called Lip-reading. Recent developments in this nascent field uses different neural networks as feature extractors which serve as input to a model which can map the temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-06-01 Dharin Parekh , Ankitesh Gupta , Shharrnam Chhatpar , Anmol Yash Kumar , Manasi Kulkarni

Decoding text, speech, or images from human neural signals holds promising potential both as neuroprosthesis for patients and as innovative communication tools for general users. Although neural signals contain various information on speech…

Neurons and Cognition · Quantitative Biology 2025-01-28 Ji-Ha Park , Seo-Hyun Lee , Soowon Kim , Seong-Whan Lee

This work describes an interactive decoding method to improve the performance of visual speech recognition systems using user input to compensate for the inherent ambiguity of the task. Unlike most phoneme-to-word decoding pipelines, which…

Computation and Language · Computer Science 2021-07-05 Brendan Shillingford , Yannis Assael , Misha Denil

Lip-reading aims to recognize speech content from videos via visual analysis of speakers' lip movements. This is a challenging task due to the existence of homophemes-words which involve identical or highly similar lip movements, as well as…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Chenhao Wang