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Training diffusion models for audiovisual sequences allows for a range of generation tasks by learning conditional distributions of various input-output combinations of the two modalities. Nevertheless, this strategy often requires training…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Gwanghyun Kim , Alonso Martinez , Yu-Chuan Su , Brendan Jou , José Lezama , Agrim Gupta , Lijun Yu , Lu Jiang , Aren Jansen , Jacob Walker , Krishna Somandepalli

Diffusion models have shown promising results in speech enhancement, using a task-adapted diffusion process for the conditional generation of clean speech given a noisy mixture. However, at test time, the neural network used for score…

音频与语音处理 · 电气工程与系统科学 2024-01-17 Bunlong Lay , Jean-Marie Lemercier , Julius Richter , Timo Gerkmann

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…

音频与语音处理 · 电气工程与系统科学 2022-02-10 Zehua Chen , Xu Tan , Ke Wang , Shifeng Pan , Danilo Mandic , Lei He , Sheng Zhao

Pre-training on large-scale datasets and then fine-tuning on downstream tasks have become a standard practice in deep learning. However, pre-training data often contain label noise that may adversely affect the generalization of the model.…

机器学习 · 计算机科学 2024-03-12 Hao Chen , Jindong Wang , Ankit Shah , Ran Tao , Hongxin Wei , Xing Xie , Masashi Sugiyama , Bhiksha Raj

Falsely annotated samples, also known as noisy labels, can significantly harm the performance of deep learning models. Two main approaches for learning with noisy labels are global noise estimation and data filtering. Global noise…

机器学习 · 计算机科学 2025-07-31 Yuval Grinberg , Nimrod Harel , Jacob Goldberger , Ofir Lindenbaum

Diffusion models are widely used for generative tasks across domains. Given a pre-trained diffusion model, it is often desirable to fine-tune it further either to correct for errors in learning or to align with downstream applications.…

With recent advances of diffusion model, generative speech enhancement (SE) has attracted a surge of research interest due to its great potential for unseen testing noises. However, existing efforts mainly focus on inherent properties of…

音频与语音处理 · 电气工程与系统科学 2024-06-05 Yuchen Hu , Chen Chen , Ruizhe Li , Qiushi Zhu , Eng Siong Chng

While noise is commonly considered a nuisance in computing systems, a number of studies in neuroscience have shown several benefits of noise in the nervous system from enabling the brain to carry out computations such as probabilistic…

机器学习 · 计算机科学 2020-12-16 Elahe Arani , Fahad Sarfraz , Bahram Zonooz

We propose self-diffusion, a novel framework for solving inverse problems without relying on pretrained generative models. Traditional diffusion-based approaches require training a model on a clean dataset to learn to reverse the forward…

机器学习 · 计算机科学 2025-12-09 Guanxiong Luo , Shoujin Huang , Yanlong Yang

The quality of foundation models depends heavily on their training data. Consequently, great efforts have been put into dataset curation. Yet most approaches rely on manual tuning of coarse-grained mixtures of large buckets of data, or…

In this work, we dive deep into the impact of additive noise in pre-training deep networks. While various methods have attempted to use additive noise inspired by the success of latent denoising diffusion models, when used in combination…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Hyesong Choi , Daeun Kim , Sungmin Cha , Kwang Moo Yi , Dongbo Min

Diffusion models have shown exceptional scaling properties in the image synthesis domain, and initial attempts have shown similar benefits for applying diffusion to unconditional text synthesis. Denoising diffusion models attempt to…

音频与语音处理 · 电气工程与系统科学 2022-10-17 Matthew Baas , Kevin Eloff , Herman Kamper

Diffusion models have become a leading paradigm in generative AI, with score estimation via denoising score matching as a central component. While recent theory provides strong statistical guarantees, it typically relies on…

机器学习 · 计算机科学 2026-04-21 Yinbin Han , Meisam Razaviyayn , Renyuan Xu

Event-based sensors offer significant advantages over traditional frame-based cameras, especially in scenarios involving rapid motion or challenging lighting conditions. However, event data frequently suffers from considerable noise,…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Marcin Kowalczyk , Kamil Jeziorek , Tomasz Kryjak

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

Diffusion models have achieved remarkable success in image and video generation. In this work, we demonstrate that diffusion models can also \textit{generate high-performing neural network parameters}. Our approach is simple, utilizing an…

机器学习 · 计算机科学 2025-01-03 Kai Wang , Dongwen Tang , Boya Zeng , Yida Yin , Zhaopan Xu , Yukun Zhou , Zelin Zang , Trevor Darrell , Zhuang Liu , Yang You

State-of-the art vision models can achieve superhuman performance on image classification tasks when testing and training data come from the same distribution. However, when models are tested on corrupted images (e.g. due to scale changes,…

机器学习 · 计算机科学 2019-06-11 Luke Metz , Niru Maheswaranathan , Jonathon Shlens , Jascha Sohl-Dickstein , Ekin D. Cubuk

We propose a meta-learning method for learning from multiple noisy annotators. In many applications such as crowdsourcing services, labels for supervised learning are given by multiple annotators. Since the annotators have different skills…

机器学习 · 计算机科学 2025-06-13 Atsutoshi Kumagai , Tomoharu Iwata , Taishi Nishiyama , Yasutoshi Ida , Yasuhiro Fujiwara

Diffusion models excel in generating high-quality images. However, current diffusion models struggle to produce reliable images without guidance methods, such as classifier-free guidance (CFG). Are guidance methods truly necessary?…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Donghoon Ahn , Jiwon Kang , Sanghyun Lee , Jaewon Min , Minjae Kim , Wooseok Jang , Hyoungwon Cho , Sayak Paul , SeonHwa Kim , Eunju Cha , Kyong Hwan Jin , Seungryong Kim

One of the key factors of enabling machine learning models to comprehend and solve real-world tasks is to leverage multimodal data. Unfortunately, annotation of multimodal data is challenging and expensive. Recently, self-supervised…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Elad Amrani , Rami Ben-Ari , Daniel Rotman , Alex Bronstein