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As a dominant force in text-to-image generation tasks, Diffusion Probabilistic Models (DPMs) face a critical challenge in controllability, struggling to adhere strictly to complex, multi-faceted instructions. In this work, we aim to address…

机器学习 · 计算机科学 2024-02-27 Xuantong Liu , Tianyang Hu , Wenjia Wang , Kenji Kawaguchi , Yuan Yao

Diffusion models have demonstrated remarkable capabilities in generating high-quality samples and enhancing performance across diverse domains through Classifier-Free Guidance (CFG). However, the quality of generated samples is highly…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Ao Chen , Lihe Ding , Tianfan Xue

Accurate approximation of probability measures is essential in numerical applications. This paper explores the quantization of probability measures using the maximum mean discrepancy (MMD) distance as a guiding metric. We first investigate…

最优化与控制 · 数学 2025-03-18 Zahra Mehraban , Alois Pichler

Generative modeling aims to produce new random examples from an unknown target distribution, given access to a finite collection of examples. Among the leading approaches, denoising diffusion probabilistic models (DDPMs) construct such…

机器学习 · 统计学 2025-06-12 Vahan Arsenyan , Elen Vardanyan , Arnak Dalalyan

Conditional diffusion models have achieved remarkable success in various generative tasks recently, but their training typically relies on large-scale datasets that inevitably contain imprecise information in conditional inputs. Such…

机器学习 · 计算机科学 2025-10-13 Dong-Dong Wu , Jiacheng Cui , Wei Wang , Zhiqiang Shen , Masashi Sugiyama

We propose the Binary Diffusion Probabilistic Model (BDPM), a generative framework specifically designed for data representations in binary form. Conventional denoising diffusion probabilistic models (DDPMs) assume continuous inputs, use…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Vitaliy Kinakh , Slava Voloshynovskiy

Molecular conformation generation poses a significant challenge in the field of computational chemistry. Recently, Diffusion Probabilistic Models (DPMs) and Score-Based Generative Models (SGMs) are effectively used due to their capacity for…

机器学习 · 计算机科学 2024-09-24 Sijia Wang , Chen Wang , Zhenhao Zhao , Jiqiang Zhang , Weiran Cai

The Diffusion Probabilistic Model (DPM) has emerged as a highly effective generative model in the field of computer vision. Its intermediate latent vectors offer rich semantic information, making it an attractive option for various…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Haipeng Zhou , Lei Zhu , Yuyin Zhou

Generative models have proven to be an outstanding tool for representing high-dimensional probability distributions and generating realistic-looking images. An essential characteristic of generative models is their ability to produce…

机器学习 · 计算机科学 2019-11-26 Mohamed Elfeki , Camille Couprie , Morgane Riviere , Mohamed Elhoseiny

Diffusion Probabilistic Models have demonstrated remarkable performance across a wide range of generative tasks. However, we have observed that these models often suffer from a Signal-to-Noise Ratio-timestep (SNR-t) bias. This bias refers…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Meng Yu , Lei Sun , Jianhao Zeng , Xiangxiang Chu , Kun Zhan

Denoising Diffusion Probabilistic Models (DDPMs) have garnered popularity for data generation across various domains. However, a significant bottleneck is the necessity for whole-network computation during every step of the generative…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Shuai Yang , Yukang Chen , Luozhou Wang , Shu Liu , Yingcong Chen

Denoising diffusion probabilistic models (DDPMs) have achieved high quality image generation without adversarial training, yet they require simulating a Markov chain for many steps to produce a sample. To accelerate sampling, we present…

机器学习 · 计算机科学 2022-10-07 Jiaming Song , Chenlin Meng , Stefano Ermon

Diffusion Probabilistic Models (DPMs) are a well-established class of diffusion models for unconditional image generation, while SGMSE+ is a well-established conditional diffusion model for speech enhancement. One of the downsides of…

音频与语音处理 · 电气工程与系统科学 2026-03-11 Bunlong Lay , Timo Gerkmann

Weather forecasting requires not only accuracy but also the ability to perform probabilistic prediction. However, deterministic weather forecasting methods do not support probabilistic predictions, and conversely, probabilistic models tend…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Donggeun Yoon , Minseok Seo , Doyi Kim , Yeji Choi , Donghyeon Cho

Network optimization is a fundamental challenge in the Internet of Things (IoT) network, often characterized by complex features that make it difficult to solve these problems. Recently, generative diffusion models (GDMs) have emerged as a…

Large Language Models (LLMs) have demonstrated remarkable capabilities in code generation. However, the quality of the generated code is heavily dependent on the structure and composition of the prompts used. Crafting high-quality prompts…

软件工程 · 计算机科学 2025-04-08 Jinyang Li , Sangwon Hyun , M. Ali Babar

Diffusion-based generative models (DGMs) have recently attracted attention in speech enhancement research (SE) as previous works showed a remarkable generalization capability. However, DGMs are also computationally intensive, as they…

音频与语音处理 · 电气工程与系统科学 2024-06-21 Chenda Li , Samuele Cornell , Shinji Watanabe , Yanmin Qian

The success of Deep Learning applications critically depends on the quality and scale of the underlying training data. Generative adversarial networks (GANs) can generate arbitrary large datasets, but diversity and fidelity are limited,…

Real-world documents may suffer various forms of degradation, often resulting in lower accuracy in optical character recognition (OCR) systems. Therefore, a crucial preprocessing step is essential to eliminate noise while preserving text…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Giordano Cicchetti , Danilo Comminiello

To obtain high-quality positron emission tomography (PET) scans while reducing radiation exposure to the human body, various approaches have been proposed to reconstruct standard-dose PET (SPET) images from low-dose PET (LPET) images. One…

图像与视频处理 · 电气工程与系统科学 2023-08-22 Zeyu Han , Yuhan Wang , Luping Zhou , Peng Wang , Binyu Yan , Jiliu Zhou , Yan Wang , Dinggang Shen