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Related papers: Enhancing CTC-Based Visual Speech Recognition

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The fundamental challenge in scaling Video Large Language Models (Video LLMs) to long-form video lies in managing the explosion of visual-token context length. Existing strategies predominantly focus on "post-hoc" token reduction --…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Jihwan Kim , Nikhil Parthasarathy , Danfeng Qin , Junhwa Hur , Deqing Sun , Bohyung Han , Ming-Hsuan Yang , Boqing Gong

We design an online end-to-end speech recognition system based on Time-Depth Separable (TDS) convolutions and Connectionist Temporal Classification (CTC). We improve the core TDS architecture in order to limit the future context and hence…

Speech representation learning with self-supervised algorithms has resulted in notable performance boosts in many downstream tasks. Recent work combined self-supervised learning (SSL) and visually grounded speech (VGS) processing mechanisms…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-08 Khazar Khorrami , María Andrea Cruz Blandón , Tuomas Virtanen , Okko Räsänen

Transformer encoder with connectionist temporal classification (CTC) framework is widely used for automatic speech recognition (ASR). However, knowledge distillation (KD) for ASR displays a problem of disagreement between teacher-student…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Eungbeom Kim , Hantae Kim , Kyogu Lee

In this work, we present a novel method, named AV2vec, for learning audio-visual speech representations by multimodal self-distillation. AV2vec has a student and a teacher module, in which the student performs a masked latent feature…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-07 Jing-Xuan Zhang , Genshun Wan , Zhen-Hua Ling , Jia Pan , Jianqing Gao , Cong Liu

Direct speech-to-speech translation (S2ST) has achieved impressive translation quality, but it often faces the challenge of slow decoding due to the considerable length of speech sequences. Recently, some research has turned to…

Computation and Language · Computer Science 2024-06-12 Qingkai Fang , Zhengrui Ma , Yan Zhou , Min Zhang , Yang Feng

When we use End-to-end automatic speech recognition (E2E-ASR) system for real-world applications, a voice activity detection (VAD) system is usually needed to improve the performance and to reduce the computational cost by discarding…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-03 Meng Li , Xia Yan , Feng Lin

Automatic speech recognition (ASR) has reached a level of accuracy in recent years, that even outperforms humans in transcribing speech to text. Nevertheless, all current ASR approaches show a certain weakness against ambient noise. To…

Sound · Computer Science 2023-12-22 Christopher Simic , Tobias Bocklet

Latent diffusion models have emerged as a leading paradigm for efficient video generation. However, as user expectations shift toward higher-resolution outputs, relying solely on latent computation becomes inadequate. A promising approach…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Liangbin Xie , Yu Li , Shian Du , Menghan Xia , Xintao Wang , Fanghua Yu , Ziyan Chen , Pengfei Wan , Jiantao Zhou , Chao Dong

Multilingual speech processing with self-supervised or supervised pre-trained Speech Foundation Models (SFM) has achieved strong performance on tasks like Language Identification (LID) and Automatic Speech Recognition (ASR). However, these…

Sound · Computer Science 2025-06-04 Qingzheng Wang , Jiancheng Sun , Yifan Peng , Shinji Watanabe

Audio-visual speech enhancement (AV-SE) aims to enhance degraded speech along with extra visual information such as lip videos, and has been shown to be more effective than audio-only speech enhancement. This paper proposes further…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-21 Rui-Chen Zheng , Yang Ai , Zhen-Hua Ling

This paper presents an audio visual automatic speech recognition (AV-ASR) system using a Transformer-based architecture. We particularly focus on the scene context provided by the visual information, to ground the ASR. We extract…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-01 Georgios Paraskevopoulos , Srinivas Parthasarathy , Aparna Khare , Shiva Sundaram

Real-world image super-resolution is a critical image processing task, where two key evaluation criteria are the fidelity to the original image and the visual realness of the generated results. Although existing methods based on diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Runyi Li , Bin Chen , Jian Zhang , Radu Timofte

Self-supervised-learning-based pre-trained models for speech data, such as Wav2Vec 2.0 (W2V2), have become the backbone of many speech tasks. In this paper, to achieve speaker diarisation and speech recognition using a single model, a…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-11 Xianrui Zheng , Chao Zhang , Philip C. Woodland

Conventional automatic speech recognition (ASR) systems trained from frame-level alignments can easily leverage posterior fusion to improve ASR accuracy and build a better single model with knowledge distillation. End-to-end ASR systems…

Computation and Language · Computer Science 2019-07-03 Gakuto Kurata , Kartik Audhkhasi

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

With the rise of SSL and ASR technologies, the Wav2Vec2 ASR-based model has been fine-tuned for automated speech disorder quality assessment tasks, yielding impressive results and setting a new baseline for Head and Neck Cancer speech…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-14 Tuan Nguyen , Corinne Fredouille , Alain Ghio , Mathieu Balaguer , Virginie Woisard

Automatic Speech Recognition (ASR) systems often struggle to accurately process children's speech due to its distinct and highly variable acoustic and linguistic characteristics. While recent advancements in self-supervised learning (SSL)…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-01 Abhijit Sinha , Hemant Kumar Kathania , Sudarsana Reddy Kadiri , Shrikanth Narayanan

In this work, we introduce a framework for cross-lingual speech synthesis, which involves an upstream Voice Conversion (VC) model and a downstream Text-To-Speech (TTS) model. The proposed framework consists of 4 stages. In the first two…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Dariusz Piotrowski , Renard Korzeniowski , Alessio Falai , Sebastian Cygert , Kamil Pokora , Georgi Tinchev , Ziyao Zhang , Kayoko Yanagisawa

Though significant progress has been made for speaker-dependent Video-to-Speech (VTS) synthesis, little attention is devoted to multi-speaker VTS that can map silent video to speech, while allowing flexible control of speaker identity, all…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-21 Disong Wang , Shan Yang , Dan Su , Xunying Liu , Dong Yu , Helen Meng