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Existing customization methods require access to multiple reference examples to align pre-trained diffusion probabilistic models (DPMs) with user-provided concepts. This paper aims to address the challenge of DPM customization when the only…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Jiachun Pan , Jun Hao Liew , Vincent Y. F. Tan , Jiashi Feng , Hanshu Yan

Denoising Diffusion Probabilistic Models (DDPMs) are a very popular class of deep generative model that have been successfully applied to a diverse range of problems including image and video generation, protein and material synthesis,…

In this paper, we introduce a denoising diffusion algorithm to discover microstructures with nonlinear fine-tuned properties. Denoising diffusion probabilistic models are generative models that use diffusion-based dynamics to gradually…

机器学习 · 计算机科学 2023-06-14 Nikolaos N. Vlassis , WaiChing Sun

Deep generative models have demonstrated effectiveness in learning compact and expressive design representations that significantly improve geometric design optimization. However, these models do not consider the uncertainty introduced by…

机器学习 · 计算机科学 2022-03-10 Wei Wayne Chen , Doksoo Lee , Wei Chen

This work introduces InJecteD, a framework for interpreting Denoising Diffusion Probabilistic Models (DDPMs) by analyzing sample trajectories during the denoising process of 2D point cloud generation. We apply this framework to three…

机器学习 · 计算机科学 2025-09-17 Sanyam Jain , Khuram Naveed , Illia Oleksiienko , Alexandros Iosifidis , Ruben Pauwels

The task of deducing three-dimensional molecular configurations from their two-dimensional graph representations holds paramount importance in the fields of computational chemistry and pharmaceutical development. The rapid advancement of…

生物大分子 · 定量生物学 2025-01-09 Bobin Yang , Jie Deng , Zhenghan Chen , Ruoxue Wu

Recent advancements in diffusion models (DMs) have been propelled by alignment methods that post-train models to better conform to human preferences. However, these approaches typically require computation-intensive training of a base model…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Zejian Li , Yize Li , Chenye Meng , Zhongni Liu , Yang Ling , Shengyuan Zhang , Guang Yang , Changyuan Yang , Zhiyuan Yang , Lingyun Sun

Denoising diffusion probabilistic models (DDPMs) have pioneered new state-of-the-art results in disciplines such as computer vision and computational biology for diverse tasks ranging from text-guided image generation to structure-guided…

机器学习 · 计算机科学 2024-05-28 Alex Morehead , Jianlin Cheng

The feasibility of using reinforcement learning for airfoil shape optimization is explored. Deep Q-Network (DQN) is used over Markov's decision process to find the optimal shape by learning the best changes to the initial shape for…

机器学习 · 计算机科学 2022-12-01 Siddharth Rout , Chao-An Lin

Diffusion models generate samples through an iterative denoising process, guided by a neural network. While training the denoiser on real-world data is computationally demanding, the sampling procedure itself is more flexible. This…

机器学习 · 计算机科学 2026-02-10 Constant Bourdrez , Alexandre Vérine , Olivier Cappé

Protein inverse folding, the design of an amino acid sequence based on a target protein structure, is a fundamental problem of computational protein engineering. Existing methods either generate sequences without leveraging external…

定量方法 · 定量生物学 2026-03-10 Jin Han , Tianfan Fu , Wu-Jun Li

Adversarial purification refers to a class of defense methods that remove adversarial perturbations using a generative model. These methods do not make assumptions on the form of attack and the classification model, and thus can defend…

机器学习 · 计算机科学 2022-05-17 Weili Nie , Brandon Guo , Yujia Huang , Chaowei Xiao , Arash Vahdat , Anima Anandkumar

Inverse design, the process of matching a device or process parameters to exhibit a desired performance, is applied in many disciplines ranging from material design over chemical processes and to engineering. Machine learning has emerged as…

机器学习 · 计算机科学 2022-08-31 Michel Frising , Jorge Bravo-Abad , Ferry Prins

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

Adversarial attack methods for 3D point cloud classification reveal the vulnerabilities of point cloud recognition models. This vulnerability could lead to safety risks in critical applications that use deep learning models, such as…

密码学与安全 · 计算机科学 2025-07-30 Ruiyang Zhao , Bingbing Zhu , Chuxuan Tong , Xiaoyi Zhou , Xi Zheng

Recent advances in denoising diffusion models have enabled rapid generation of optimized structures for topology optimization. However, these models often rely on surrogate predictors to enforce physical constraints, which may fail to…

机器学习 · 计算机科学 2025-08-05 Euihyun Kim , Keun Park , Yeoneung Kim

Antibodies, crucial for immune defense, primarily rely on complementarity-determining regions (CDRs) to bind and neutralize antigens, such as viruses. The design of these CDRs determines the antibody's affinity and specificity towards its…

Accurate prediction of physical fields is critical in various engineering applications, including thermal management in electronic systems, airfoil shape optimization in aerospace, and flow field control in hypersonic vehicles. This study…

流体动力学 · 物理学 2026-03-12 Yuan Jia , Chi Zhang , Hao Ma , Qiao Zhang , Kai Liu , Chih-Yung Wen

Electrostatic generative models such as PFGM++ have recently emerged as a powerful framework, achieving state-of-the-art performance in image synthesis. PFGM++ operates in an extended data space with auxiliary dimensionality $D$, recovering…

机器学习 · 计算机科学 2025-09-29 Daniil Shlenskii , Alexander Korotin

Diffusion probabilistic models (DPMs) have become the state-of-the-art in high-quality image generation. However, DPMs have an arbitrary noisy latent space with no interpretable or controllable semantics. Although there has been significant…

机器学习 · 计算机科学 2024-08-27 Aneesh Komanduri , Chen Zhao , Feng Chen , Xintao Wu