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Related papers: Resolution limits on visual speech recognition

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Object recognition systems are usually trained and evaluated on high resolution images. However, in real world applications, it is common that the images have low resolutions or have small sizes. In this study, we first track the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Amir Ghasemi , Nasrin Bayat , Fatemeh Mottaghian , Akram Bayat

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

Increasingly, visual signals such as images, videos and point clouds are being captured solely for the purpose of automated analysis by computer vision models. Applications include traffic monitoring, robotics, autonomous driving, smart…

Image and Video Processing · Electrical Eng. & Systems 2025-07-25 Ivan V. Bajić

Lip sync is a fundamental audio-visual task. However, existing lip sync methods fall short of being robust in the wild. One important cause could be distracting factors on the visual input side, making extracting lip motion information…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Chun Wang

We present a live demonstration for RAVEN, a real-time audio-visual speech enhancement system designed to run entirely on a CPU. In single-channel, audio-only settings, speech enhancement is traditionally approached as the task of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-26 T. Aleksandra Ma , Sile Yin , Li-Chia Yang , Shuo Zhang

Many client-side applications, especially games, render video at high resolution and frame rate on power-constrained devices, even when users perceive little or no benefit from all those extra pixels. Existing perceptual video quality…

Self-supervision has recently shown great promise for learning visual and auditory speech representations from unlabelled data. In this work, we propose BRAVEn, an extension to the recent RAVEn method, which learns speech representations…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Alexandros Haliassos , Andreas Zinonos , Rodrigo Mira , Stavros Petridis , Maja Pantic

In this project, we worked on speech recognition, specifically predicting individual words based on both the video frames and audio. Empowered by convolutional neural networks, the recent speech recognition and lip reading models are…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Devesh Walawalkar , Yihui He , Rohit Pillai

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

Audio-visual automatic speech recognition is a promising approach to robust ASR under noisy conditions. However, up until recently it had been traditionally studied in isolation assuming the video of a single speaking face matches the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-13 Otavio Braga , Olivier Siohan

Recent work in visual representation learning for robotics demonstrates the viability of learning from large video datasets of humans performing everyday tasks. Leveraging methods such as masked autoencoding and contrastive learning, these…

Enhancing speech quality is an indispensable yet difficult task as it is often complicated by a range of degradation factors. In addition to additive noise, reverberation, clipping, and speech attenuation can all adversely affect speech…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-01 Jaeuk Byun , Youna Ji , Soo Whan Chung , Soyeon Choe , Min Seok Choi

This paper presents a novel metric learning approach to address the performance gap between normal and silent speech in visual speech recognition (VSR). The difference in lip movements between the two poses a challenge for existing VSR…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-17 Sara Kashiwagi , Keitaro Tanaka , Qi Feng , Shigeo Morishima

Lip reading or visual speech recognition has gained significant attention in recent years, particularly because of hardware development and innovations in computer vision. While considerable progress has been obtained, most models have only…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Emilian-Claudiu Mănescu , Răzvan-Alexandru Smădu , Andrei-Marius Avram , Dumitru-Clementin Cercel , Florin Pop

Real-world vision-language applications demand varying levels of perceptual granularity. However, most existing visual large language models (VLLMs), such as LLaVA, pre-assume a fixed resolution for downstream tasks, which leads to subpar…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Weiqing Luo , Zhen Tan , Yifan Li , Xinyu Zhao , Kwonjoon Lee , Behzad Dariush , Tianlong Chen

In machine lip-reading there is continued debate and research around the correct classes to be used for recognition. In this paper we use a structured approach for devising speaker-dependent viseme classes, which enables the creation of a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Helen L. Bear , Richard W. Harvey , Yuxuan Lan

In this paper we present a deep learning architecture for extracting word embeddings for visual speech recognition. The embeddings summarize the information of the mouth region that is relevant to the problem of word recognition, while…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Themos Stafylakis , Georgios Tzimiropoulos

Surveillance scenarios are prone to several problems since they usually involve low-resolution footage, and there is no control of how far the subjects may be from the camera in the first place. This situation is suitable for the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Angelo G. Menezes

Automated one-to-many (1:N) face recognition is a powerful investigative tool commonly used by law enforcement agencies. In this context, potential matches resulting from automated 1:N recognition are reviewed by human examiners prior to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Xavier Merino , Gabriella Pangelinan , Samuel Langborgh , Michael C. King , Kevin W. Bowyer

Despite the advancement in the domain of audio and audio-visual speech recognition, visual speech recognition systems are still quite under-explored due to the visual ambiguity of some phonemes. In this work, we propose a new lip-reading…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Shahd Elashmawy , Marian Ramsis , Hesham M. Eraqi , Farah Eldeshnawy , Hadeel Mabrouk , Omar Abugabal , Nourhan Sakr
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