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Conventional galaxy generation methods rely on semi-analytical models and hydrodynamic simulations, which are highly dependent on physical assumptions and parameter tuning. In contrast, data-driven generative models do not have explicit…

天体物理仪器与方法 · 物理学 2026-04-06 Xingzhong Fan , Hongming Tang , Yue Zeng , M. B. N. Kouwenhoven , Guangquan Zeng

Achieving precise control over a molecule's biological activity-encompassing targeted activation/inhibition, cooperative multi-target modulation, and off-target toxicity mitigation-remains a critical challenge in de novo drug design.…

机器学习 · 计算机科学 2025-08-11 Renyi Zhou , Huimin Zhu , Jing Tang , Min Li

Unrestricted adversarial attacks present a serious threat to deep learning models and adversarial defense techniques. They pose severe security problems for deep learning applications because they can effectively bypass defense mechanisms.…

机器学习 · 计算机科学 2024-07-16 Xuelong Dai , Kaisheng Liang , Bin Xiao

Synthetic Aperture Radar (SAR) imaging results are highly sensitive to observation geometries and the geometric parameters of targets. However, existing generative methods primarily operate within the image domain, neglecting explicit…

图像与视频处理 · 电气工程与系统科学 2026-01-08 Fan Zhang , Xuanting Wu , Fei Ma , Qiang Yin , Yuxin Hu

In this work, we propose a novel framework to enable diffusion models to adapt their generation quality based on real-time network bandwidth constraints. Traditional diffusion models produce high-fidelity images by performing a fixed number…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Xi Zhang , Hanwei Zhu , Yan Zhong , Jiamang Wang , Weisi Lin

Denoising diffusion models have become ubiquitous for generative modeling. The core idea is to transport the data distribution to a Gaussian by using a diffusion. Approximate samples from the data distribution are then obtained by…

Document dewarping aims to rectify deformations in photographic document images, thus improving text readability, which has attracted much attention and made great progress, but it is still challenging to preserve document structures. Given…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Weiguang Zhang , Huangcheng Lu , Maizhen Ning , Xiaowei Huang , Wei Wang , Kaizhu Huang , Qiufeng Wang

Solving medical imaging data scarcity through semantic image generation has attracted growing attention in recent years. However, existing generative models mainly focus on synthesizing whole-organ or large-tissue structures, showing…

图像与视频处理 · 电气工程与系统科学 2025-12-19 Jiahao Xia , Yutao Hu , Yaolei Qi , Zhenliang Li , Wenqi Shao , Junjun He , Ying Fu , Longjiang Zhang , Guanyu Yang

Diffusion models have emerged as powerful generative frameworks by progressively adding noise to data through a forward process and then reversing this process to generate realistic samples. While these models have achieved strong…

机器学习 · 计算机科学 2025-03-04 Xingzhuo Guo , Yu Zhang , Baixu Chen , Haoran Xu , Jianmin Wang , Mingsheng Long

Diffusion-based generative models are extremely effective in generating high-quality images, with generated samples often surpassing the quality of those produced by other models under several metrics. One distinguishing feature of these…

机器学习 · 计算机科学 2022-10-25 Ashwini Pokle , Zhengyang Geng , Zico Kolter

Diffusion models have established themselves as state-of-the-art generative models across various data modalities, including images and videos, due to their ability to accurately approximate complex data distributions. Unlike traditional…

机器学习 · 计算机科学 2025-10-23 Daniel Wesego

Generating ligand molecules for specific protein targets, known as structure-based drug design, is a fundamental problem in therapeutics development and biological discovery. Recently, target-aware generative models, especially diffusion…

生物大分子 · 定量生物学 2024-10-29 Siyi Gu , Minkai Xu , Alexander Powers , Weili Nie , Tomas Geffner , Karsten Kreis , Jure Leskovec , Arash Vahdat , Stefano Ermon

Although neural networks achieve promising performance in many tasks, they may still fail when encountering some examples and bring about risks to applications. To discover risky samples, previous literature attempts to search for patterns…

机器学习 · 计算机科学 2025-12-23 Han Yu , Hao Zou , Xingxuan Zhang , Zhengyi Wang , Yue He , Kehan Li , Peng Cui

We introduce a generative modeling framework for thermodynamic computing, in which structured data is synthesized from noise by the natural time evolution of a physical system governed by Langevin dynamics. While conventional diffusion…

统计力学 · 物理学 2025-11-03 Stephen Whitelam

Generating graph-structured data requires learning the underlying distribution of graphs. Yet, this is a challenging problem, and the previous graph generative methods either fail to capture the permutation-invariance property of graphs or…

机器学习 · 计算机科学 2022-06-16 Jaehyeong Jo , Seul Lee , Sung Ju Hwang

We present a novel way to predict molecular conformers through a simple formulation that sidesteps many of the heuristics of prior works and achieves state of the art results by using the advantages of scale. By training a diffusion…

Generative models capture the true distribution of data, yielding semantically rich representations. Denoising diffusion models (DDMs) exhibit superior generative capabilities, though efficient representation learning for them are lacking.…

机器学习 · 计算机科学 2025-05-12 Limai Jiang , Yunpeng Cai

Molecular generation with diffusion models has emerged as a promising direction for AI-driven drug discovery and materials science. While graph diffusion models have been widely adopted due to the discrete nature of 2D molecular graphs,…

Diffusion models, as a novel generative paradigm, have achieved remarkable success in various image generation tasks such as image inpainting, image-to-text translation, and video generation. Graph generation is a crucial computational task…

机器学习 · 计算机科学 2023-08-29 Chengyi Liu , Wenqi Fan , Yunqing Liu , Jiatong Li , Hang Li , Hui Liu , Jiliang Tang , Qing Li

Recently, diffusion-based recommendation methods have achieved impressive results. However, existing approaches predominantly treat each user's historical interactions as independent training samples, overlooking the potential of…

社会与信息网络 · 计算机科学 2025-04-08 Xuan Zhang , Xiang Deng , Hongxing Yuan , Chunyu Wei , Yushun Fan