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Molecule generation, especially generating 3D molecular geometries from scratch (i.e., 3D \textit{de novo} generation), has become a fundamental task in drug designs. Existing diffusion-based 3D molecule generation methods could suffer from…

机器学习 · 计算机科学 2022-09-14 Lei Huang , Hengtong Zhang , Tingyang Xu , Ka-Chun Wong

Optimizing conflicting molecular properties while strictly adhering to complex 3D structural constraints constitutes a challenging Constrained Multi-Objective Optimization Problem (CMOP). Traditional Evolutionary Algorithms (EAs) destroy…

神经与进化计算 · 计算机科学 2026-04-09 Ruiqing Sun , Dawei Feng , Sen Yang , Ronghang Wang , Huaiyuan Song , Bo Ding , Yijie Wang , Huaimin Wang

Denoising diffusion models have shown great potential in multiple research areas. Existing diffusion-based generative methods on de novo 3D molecule generation face two major challenges. Since majority heavy atoms in molecules allow…

机器学习 · 计算机科学 2024-04-23 Can Xu , Haosen Wang , Weigang Wang , Pengfei Zheng , Hongyang Chen

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

Probabilistic denoising diffusion models (DDMs) have set a new standard for 2D image generation. Extending DDMs for 3D content creation is an active field of research. Here, we propose TetraDiffusion, a diffusion model that operates on a…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Nikolai Kalischek , Torben Peters , Jan D. Wegner , Konrad Schindler

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

Can we train a 3D molecule generator using data from dense regions to generate samples in sparse regions? This challenge can be framed as an out-of-distribution (OOD) generation problem. While prior research on OOD generation predominantly…

机器学习 · 计算机科学 2026-03-03 Haokai Hong , Wanyu Lin , Ming Yang , Kay Chen Tan

In materials science and particularly electron microscopy, Electron Back-scatter Diffraction (EBSD) is a common and powerful mapping technique for collecting local crystallographic data at the sub-micron scale. The quality of the…

计算机视觉与模式识别 · 计算机科学 2019-03-08 Florian Strub , Marie-Agathe Charpagne , Tresa M. Pollock

This work introduces MiDi, a novel diffusion model for jointly generating molecular graphs and their corresponding 3D arrangement of atoms. Unlike existing methods that rely on predefined rules to determine molecular bonds based on the 3D…

机器学习 · 计算机科学 2023-06-06 Clement Vignac , Nagham Osman , Laura Toni , Pascal Frossard

Structure-based drug design (SBDD) aims to design small-molecule ligands that bind with high affinity and specificity to pre-determined protein targets. Generative SBDD methods leverage structural data of drugs in complex with their protein…

Generating molecules that bind to specific proteins is an important but challenging task in drug discovery. Previous works usually generate atoms in an auto-regressive way, where element types and 3D coordinates of atoms are generated one…

生物大分子 · 定量生物学 2024-07-16 Haitao Lin , Yufei Huang , Odin Zhang , Siqi Ma , Meng Liu , Xuanjing Li , Lirong Wu , Jishui Wang , Tingjun Hou , Stan Z. Li

Geometric diffusion models have shown remarkable success in molecular dynamics and structure generation. However, efficiently fine-tuning them for downstream tasks with varying geometric controls remains underexplored. In this work, we…

机器学习 · 计算机科学 2025-07-04 Wanjia Zhao , Jiaqi Han , Siyi Gu , Mingjian Jiang , James Zou , Stefano Ermon

Molecular conformation generation, a critical aspect of computational chemistry, involves producing the three-dimensional conformer geometry for a given molecule. Generating molecular conformation via diffusion requires learning to reverse…

计算物理 · 物理学 2023-10-10 Zihan Zhou , Ruiying Liu , Chaolong Ying , Ruimao Zhang , Tianshu Yu

Embodied agents operate in a structured world, often solving tasks with spatial, temporal, and permutation symmetries. Most algorithms for planning and model-based reinforcement learning (MBRL) do not take this rich geometric structure into…

机器学习 · 计算机科学 2023-10-20 Johann Brehmer , Joey Bose , Pim de Haan , Taco Cohen

We introduce a new framework for molecular graph generation with 3D molecular generative models. Our Synthetic Coordinate Embedding (SyCo) framework maps molecular graphs to Euclidean point clouds via synthetic conformer coordinates and…

机器学习 · 计算机科学 2024-06-18 Mohamed Amine Ketata , Nicholas Gao , Johanna Sommer , Tom Wollschläger , Stephan Günnemann

Predicting molecular conformations (or 3D structures) from molecular graphs is a fundamental problem in many applications. Most existing approaches are usually divided into two steps by first predicting the distances between atoms and then…

机器学习 · 计算机科学 2025-01-07 Minkai Xu , Wujie Wang , Shitong Luo , Chence Shi , Yoshua Bengio , Rafael Gomez-Bombarelli , Jian Tang

Molecular conformer generation (MCG) is an important task in cheminformatics and drug discovery. The ability to efficiently generate low-energy 3D structures can avoid expensive quantum mechanical simulations, leading to accelerated virtual…

机器学习 · 计算机科学 2023-10-23 Danny Reidenbach , Aditi S. Krishnapriyan

Generative models, especially diffusion models (DMs), have achieved promising results for generating feature-rich geometries and advancing foundational science problems such as molecule design. Inspired by the recent huge success of Stable…

机器学习 · 计算机科学 2023-05-03 Minkai Xu , Alexander Powers , Ron Dror , Stefano Ermon , Jure Leskovec

Designing new molecules is essential for drug discovery and material science. Recently, deep generative models that aim to model molecule distribution have made promising progress in narrowing down the chemical research space and generating…

生物大分子 · 定量生物学 2023-06-06 Han Huang , Leilei Sun , Bowen Du , Weifeng Lv

We propose enforcing constraints on Model-Based Diffusion by introducing emerging barrier functions inspired by interior point methods. We demonstrate that the standard Model-Based Diffusion algorithm can lead to catastrophic performance…

机器人学 · 计算机科学 2026-03-10 Raghav Mishra , Ian R. Manchester