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Prompt learning has demonstrated promising results in fine-tuning pre-trained multimodal models. However, the performance improvement is limited when applied to more complex and fine-grained tasks. The reason is that most existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Weicai Yan , Wang Lin , Zirun Guo , Ye Wang , Fangming Feng , Xiaoda Yang , Zehan Wang , Tao Jin

Directly sending audio signals from a transmitter to a receiver across a noisy channel may absorb consistent bandwidth and be prone to errors when trying to recover the transmitted bits. On the contrary, the recent semantic communication…

Sound · Computer Science 2023-09-15 Eleonora Grassucci , Christian Marinoni , Andrea Rodriguez , Danilo Comminiello

In this paper, we focus on the often-overlooked issue of embedding collapse in existing diffusion-based sequential recommendation models and propose ADRec, an innovative framework designed to mitigate this problem. Diverging from previous…

Information Retrieval · Computer Science 2025-05-27 Jialei Chen , Yuanbo Xu , Yiheng Jiang

In real-world scenarios, speech signals are inevitably corrupted by various types of interference, making speech enhancement (SE) a critical task for robust speech processing. However, most existing SE methods only handle a limited range of…

Sound · Computer Science 2025-12-12 Fei Liu , Yang Ai , Ye-Xin Lu , Rui-Chen Zheng , Hui-Peng Du , Zhen-Hua Ling

Diffusion models have shown promising results for a wide range of generative tasks with continuous data, such as image and audio synthesis. However, little progress has been made on using diffusion models to generate discrete symbolic music…

Sound · Computer Science 2023-10-24 Jincheng Zhang , György Fazekas , Charalampos Saitis

While diffusion models excel at image synthesis, useful representations have been shown to emerge from generative pre-training, suggesting a path towards unified generative and discriminative learning. However, suboptimal semantic flow…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Weilai Xiang , Hongyu Yang , Di Huang , Yunhong Wang

While diffusion models are best known for their performance in generative tasks, they have also been successfully applied to many other tasks, including audio source separation. However, current generative approaches to music source…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-24 Yun-Ning , Hung , Richard Vogl , Filip Korzeniowski , Igor Pereira

Diffusion-based generative models in SE(3)-invariant space have demonstrated promising performance in molecular conformation generation, but typically require solving stochastic differential equations (SDEs) with thousands of update steps.…

Computational Physics · Physics 2024-02-02 Zihan Zhou , Ruiying Liu , Tianshu Yu

The growing sophistication of synthetic image and deepfake generation models has turned source attribution and authenticity verification into a critical challenge for modern computer vision systems. Recent studies suggest that diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Claudio Giusti , Luca Guarnera , Sebastiano Battiato

Diffusion models have been successfully adapted to text generation tasks by mapping the discrete text into the continuous space. However, there exist nonnegligible gaps between training and inference, owing to the absence of the forward…

Computation and Language · Computer Science 2023-05-09 Zecheng Tang , Pinzheng Wang , Keyan Zhou , Juntao Li , Ziqiang Cao , Min Zhang

Recent progress in diffusion-based audio generation and restoration has substantially improved performance across heterogeneous conditioning regimes, including text-conditioned audio generation and audio-conditioned super-resolution.…

Sound · Computer Science 2026-05-07 Xuanhao Zhang , Chang Li

The art of communication beyond speech there are gestures. The automatic co-speech gesture generation draws much attention in computer animation. It is a challenging task due to the diversity of gestures and the difficulty of matching the…

Human-Computer Interaction · Computer Science 2023-05-09 Sicheng Yang , Zhiyong Wu , Minglei Li , Zhensong Zhang , Lei Hao , Weihong Bao , Ming Cheng , Long Xiao

Speech disfluencies, such as filled pauses or repetitions, are disruptions in the typical flow of speech. Stuttering is a speech disorder characterized by a high rate of disfluencies, but all individuals speak with some disfluencies and the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-03 Amrit Romana , Kazuhito Koishida , Emily Mower Provost

Diffusion models have achieved remarkable success in image synthesis. However, addressing artifacts and unrealistic regions remains a critical challenge. We propose self-refining diffusion, a novel framework that enhances image generation…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Seoyeon Lee , Gwangyeol Yu , Chaewon Kim , Jonghyuk Park

Denoising diffusion probabilistic models (diffusion models for short) require a large number of iterations in inference to achieve the generation quality that matches or surpasses the state-of-the-art generative models, which invariably…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-10 Zehua Chen , Xu Tan , Ke Wang , Shifeng Pan , Danilo Mandic , Lei He , Sheng Zhao

Recent advancements in generative recommendation systems, particularly in the realm of sequential recommendation tasks, have shown promise in enhancing generalization to new items. Among these approaches, diffusion-based generative…

Information Retrieval · Computer Science 2024-10-23 Guoqing Hu , Zhengyi Yang , Zhibo Cai , An Zhang , Xiang Wang

To achieve robust far-field automatic speech recognition (ASR), existing techniques typically employ an acoustic front end (AFE) cascaded with a neural transducer (NT) ASR model. The AFE output, however, could be unreliable, as the…

Speech separation, the task of isolating multiple speech sources from a mixed audio signal, remains challenging in noisy environments. In this paper, we propose a generative correction method to enhance the output of a discriminative…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-12 Helin Wang , Jesus Villalba , Laureano Moro-Velazquez , Jiarui Hai , Thomas Thebaud , Najim Dehak

Text encodings from automatic speech recognition (ASR) transcripts and audio representations have shown promise in speech emotion recognition (SER) ever since. Yet, it is challenging to explain the effect of each information stream on the…

Recently, AI-generated image detection has gained increasing attention, as the rapid advancement of image generation technologies has raised serious concerns about their potential misuse. While existing detection methods have achieved…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Ju Yeon Kang , Jaehong Park , Semin Kim , Ji Won Yoon , Nam Soo Kim