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We aim to solve the highly challenging task of generating continuous sign language videos solely from speech segments for the first time. Recent efforts in this space have focused on generating such videos from human-annotated text…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Parul Kapoor , Rudrabha Mukhopadhyay , Sindhu B Hegde , Vinay Namboodiri , C V Jawahar

Prompt learning is one of the most effective and trending ways to adapt powerful vision-language foundation models like CLIP to downstream datasets by tuning learnable prompt vectors with very few samples. However, although prompt learning…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Cairong Zhao , Yubin Wang , Xinyang Jiang , Yifei Shen , Kaitao Song , Dongsheng Li , Duoqian Miao

Large Language Models (LLMs) have demonstrated exceptional versatility across domains, including applications to electrocardiograms (ECGs). A growing body of work focuses on generating text from multi-channeled ECG signals and corresponding…

Computation and Language · Computer Science 2025-07-31 William Han , Chaojing Duan , Michael A. Rosenberg , Emerson Liu , Ding Zhao

Previous Sign Language Translation (SLT) methods achieve superior performance by relying on gloss annotations. However, labeling high-quality glosses is a labor-intensive task, which limits the further development of SLT. Although some…

Computation and Language · Computer Science 2024-03-20 Zhigang Chen , Benjia Zhou , Jun Li , Jun Wan , Zhen Lei , Ning Jiang , Quan Lu , Guoqing Zhao

Vector Quantization (VQ) has become the cornerstone of tokenization for many multimodal Large Language Models and diffusion synthesis. However, existing VQ paradigms suffer from a fundamental conflict: they enforce discretization before the…

Machine Learning · Computer Science 2026-03-25 Wenhao Zhao , Qiran Zou , Zhouhan Lin , Dianbo Liu

We present a Split Vector Quantized Variational Autoencoder (SVQ-VAE) architecture using a split vector quantizer for NTTS, as an enhancement to the well-known Variational Autoencoder (VAE) and Vector Quantized Variational Autoencoder…

Sound · Computer Science 2023-09-15 Marek Strong , Jonas Rohnke , Antonio Bonafonte , Mateusz Łajszczak , Trevor Wood

Prompt tuning methods have achieved remarkable success in parameter-efficient fine-tuning on large pre-trained models. However, their application to dual-modal fusion-based visual-language pre-trained models (VLPMs), such as GLIP, has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Yang Zhou , Yongjian Wu , Jiya Saiyin , Bingzheng Wei , Maode Lai , Eric Chang , Yan Xu

Large-scale language models (LMs) pretrained on massive corpora of text, such as GPT-2, are powerful open-domain text generators. However, as our systematic examination reveals, it is still challenging for such models to generate coherent…

Computation and Language · Computer Science 2021-04-15 Bowen Tan , Zichao Yang , Maruan AI-Shedivat , Eric P. Xing , Zhiting Hu

This paper describes a variational auto-encoder based non-autoregressive text-to-speech (VAENAR-TTS) model. The autoregressive TTS (AR-TTS) models based on the sequence-to-sequence architecture can generate high-quality speech, but their…

Sound · Computer Science 2021-07-08 Hui Lu , Zhiyong Wu , Xixin Wu , Xu Li , Shiyin Kang , Xunying Liu , Helen Meng

This paper explores the instruction fine-tuning technique for speech-to-semantic tasks by introducing a unified end-to-end (E2E) framework that generates target text conditioned on a task-related prompt for audio data. We pre-train the…

Computation and Language · Computer Science 2023-09-12 Aobo Xia , Shuyu Lei , Yushu Yang , Xiang Guo , Hua Chai

This paper proposes a non-autoregressive extension of our previously proposed sequence-to-sequence (S2S) model-based voice conversion (VC) methods. S2S model-based VC methods have attracted particular attention in recent years for their…

Sound · Computer Science 2021-04-15 Hirokazu Kameoka , Kou Tanaka , Takuhiro Kaneko

Vector quantization (VQ) transforms continuous image features into discrete representations, providing compressed, tokenized inputs for generative models. However, VQ-based frameworks suffer from several issues, such as non-smooth latent…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Sicheng Yang , Xing Hu , Qiang Wu , Dawei Yang

Speculative decoding has emerged as a promising technique to accelerate the inference of Large Language Models (LLMs) by employing a small language model to draft a hypothesis sequence, which is then validated by the LLM. The effectiveness…

Computation and Language · Computer Science 2024-07-24 Zhuocheng Gong , Jiahao Liu , Ziyue Wang , Pengfei Wu , Jingang Wang , Xunliang Cai , Dongyan Zhao , Rui Yan

Recent work in synthetic data generation in the time-series domain has focused on the use of Generative Adversarial Networks. We propose a novel architecture for synthetically generating time-series data with the use of Variational…

Machine Learning · Computer Science 2021-12-08 Abhyuday Desai , Cynthia Freeman , Zuhui Wang , Ian Beaver

Non-autoregressive text-to-speech (NAR-TTS) models such as FastSpeech 2 and Glow-TTS can synthesize high-quality speech from the given text in parallel. After analyzing two kinds of generative NAR-TTS models (VAE and normalizing flow), we…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-15 Yi Ren , Jinglin Liu , Zhou Zhao

Artificial intelligence has achieved notable results in sign language recognition and translation. However, relatively few efforts have been made to significantly improve the quality of life for the 72 million hearing-impaired people…

Computers and Society · Computer Science 2025-01-14 Yulong Li , Bolin Ren , Ke Hu , Changyuan Liu , Zhengyong Jiang , Kang Dang , Jionglong Su

Sign language is a visual language that encompasses all linguistic features of natural languages and serves as the primary communication method for the deaf and hard-of-hearing communities. Although many studies have successfully adapted…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Ronglai Zuo , Rolandos Alexandros Potamias , Evangelos Ververas , Jiankang Deng , Stefanos Zafeiriou

Text-to-speech (TTS) synthesis has seen renewed progress under the discrete modeling paradigm. Existing autoregressive approaches often rely on single-codebook representations, which suffer from significant information loss. Even with…

Deep learning has enabled significant advances in feedback-based channel coding, yet existing learned schemes remain fundamentally limited: they employ fixed block lengths, suffer degraded performance at high rates, and cannot fully exploit…

Information Theory · Computer Science 2026-02-10 Yu Ding , Yulin Shao

We propose a novel two-stage text-to-speech (TTS) framework with two types of discrete tokens, i.e., semantic and acoustic tokens, for high-fidelity speech synthesis. It features two core components: the Interpreting module, which processes…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-26 Joun Yeop Lee , Myeonghun Jeong , Minchan Kim , Ji-Hyun Lee , Hoon-Young Cho , Nam Soo Kim
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