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Diffusion models, known for their strong generative capability derived from iterative noising and denoising processes, have recently emerged as a promising paradigm for sequential recommendation. To incorporate user history for…

信息检索 · 计算机科学 2026-05-12 Yimeng Bai , Yang Zhang , Sihao Ding , Shaohui Ruan , Han Yao , Danhui Guan , Fuli Feng , Tat-Seng Chua

Diffusion models have been shown to achieve natural-sounding enhancement of speech degraded by noise or reverberation. However, their simultaneous denoising and dereverberation capability has so far not been studied much, although this is…

音频与语音处理 · 电气工程与系统科学 2025-08-27 Adrian Meise , Tobias Cord-Landwehr , Reinhold Haeb-Umbach

Pre-trained diffusion models have enabled significant advancements in All-in-One Restoration (AiOR), offering improved perceptual quality and generalization. However, diffusion-based restoration methods primarily rely on fine-tuning or…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Sudarshan Rajagopalan , Vishal M. Patel

Diffusion models have shown great success in generating high-quality co-speech gestures for interactive humanoid robots or digital avatars from noisy input with the speech audio or text as conditions. However, they rarely focus on providing…

人机交互 · 计算机科学 2024-04-04 Zeyu Zhao , Nan Gao , Zhi Zeng , Guixuan Zhang , Jie Liu , Shuwu Zhang

Adapting a pretrained diffusion model to new objectives at inference time remains an open problem in generative modeling. Existing steering methods suffer from inaccurate value estimation, especially at high noise levels, which biases…

机器学习 · 计算机科学 2025-06-27 Vineet Jain , Kusha Sareen , Mohammad Pedramfar , Siamak Ravanbakhsh

Discrete diffusion language models have emerged as a competitive alternative to auto-regressive language models, but training them efficiently under limited parameter and memory budgets remains challenging. Modern architectures are…

计算与语言 · 计算机科学 2026-04-07 Zihao Wu , Haoming Yang , Juncheng Dong , Vahid Tarokh

Looped transformers scale computational depth without increasing parameter count by repeatedly applying a shared transformer block and can be used for iterative refinement, where each loop rewrites a full fixed-size prediction in parallel.…

机器学习 · 计算机科学 2026-04-22 Chris Cameron , Wangzheng Wang , Nikita Ivanov , Ashmita Bhattacharyya , Didier Chételat , Yingxue Zhang

Speech super-resolution (SR) is the task that restores high-resolution speech from low-resolution input. Existing models employ simulated data and constrained experimental settings, which limit generalization to real-world SR. Predictive…

音频与语音处理 · 电气工程与系统科学 2024-01-26 Heming Wang , Eric W. Healy , DeLiang Wang

Probabilistic regression models the entire predictive distribution of a response variable, offering richer insights than classical point estimates and directly allowing for uncertainty quantification. While diffusion-based generative models…

机器学习 · 计算机科学 2025-10-07 Carlo Kneissl , Christopher Bülte , Philipp Scholl , Gitta Kutyniok

Diffusion generative models transform noise into data by inverting a process that progressively adds noise to data samples. Inspired by concepts from the renormalization group in physics, which analyzes systems across different scales, we…

机器学习 · 计算机科学 2024-10-04 Mathis Gerdes , Max Welling , Miranda C. N. Cheng

Diffusion-based generative speech enhancement (SE) has recently received attention, but reverse diffusion remains time-consuming. One solution is to initialize the reverse diffusion process with enhanced features estimated by a predictive…

Diffusion-based generative models have recently gained attention in speech enhancement (SE), providing an alternative to conventional supervised methods. These models transform clean speech training samples into Gaussian noise centered at…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Jean-Eudes Ayilo , Mostafa Sadeghi , Romain Serizel

Speech enhancement significantly improves the clarity and intelligibility of speech in noisy environments, improving communication and listening experiences. In this paper, we introduce a novel pretraining feature-guided diffusion model…

声音 · 计算机科学 2024-06-13 Yiyuan Yang , Niki Trigoni , Andrew Markham

As a highly expressive generative model, diffusion models have demonstrated exceptional success across various domains, including image generation, natural language processing, and combinatorial optimization. However, as data distributions…

机器学习 · 计算机科学 2025-10-27 Myunsoo Kim , Donghyeon Ki , Seong-Woong Shim , Byung-Jun Lee

Diffusion models have significantly advanced the field of generative modeling. However, training a diffusion model is computationally expensive, creating a pressing need to adapt off-the-shelf diffusion models for downstream generation…

机器学习 · 计算机科学 2024-06-07 Jincheng Zhong , Xingzhuo Guo , Jiaxiang Dong , Mingsheng Long

Adversarial Imitation Learning is traditionally framed as a two-player zero-sum game between a learner and an adversarially chosen cost function, and can therefore be thought of as the sequential generalization of a Generative Adversarial…

机器学习 · 计算机科学 2025-03-04 Runzhe Wu , Yiding Chen , Gokul Swamy , Kianté Brantley , Wen Sun

Diffusion speech enhancement on discrete audio codec features gain immense attention due to their improved speech component reconstruction capability. However, they usually suffer from high inference computational complexity due to multiple…

音频与语音处理 · 电气工程与系统科学 2026-01-30 Yihui Fu , Tim Fingscheidt

A primary challenge when deploying speaker recognition systems in real-world applications is performance degradation caused by environmental mismatch. We propose a diffusion-based method that takes speaker embeddings extracted from a…

音频与语音处理 · 电气工程与系统科学 2025-05-23 KiHyun Nam , Jungwoo Heo , Jee-weon Jung , Gangin Park , Chaeyoung Jung , Ha-Jin Yu , Joon Son Chung

In this paper, we present an unsupervised single-channel method for joint blind dereverberation and room impulse response estimation, based on posterior sampling with diffusion models. We parameterize the reverberation operator using a…

音频与语音处理 · 电气工程与系统科学 2024-05-08 Eloi Moliner , Jean-Marie Lemercier , Simon Welker , Timo Gerkmann , Vesa Välimäki

This paper proposes a generative speech enhancement model based on Schr\"odinger bridge (SB). The proposed model is employing a tractable SB to formulate a data-to-data process between the clean speech distribution and the observed noisy…

音频与语音处理 · 电气工程与系统科学 2024-07-24 Ante Jukić , Roman Korostik , Jagadeesh Balam , Boris Ginsburg