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Inspired by recent findings that generative diffusion models learn semantically meaningful representations, we use them to discover the intrinsic hierarchical structure in biomedical 3D images using unsupervised segmentation. We show that…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Nurislam Tursynbek , Marc Niethammer

Diffusion models are the standard toolkit for generative modelling of 3D atomic systems. However, for different types of atomic systems -- such as molecules and materials -- the generative processes are usually highly specific to the target…

We consider the problem of antibody sequence design given 3D structural information. Building on previous work, we propose a fine-tuned inverse folding model that is specifically optimised for antibody structures and outperforms generic…

Biomolecules · Quantitative Biology 2023-10-31 Frédéric A. Dreyer , Daniel Cutting , Constantin Schneider , Henry Kenlay , Charlotte M. Deane

Generating diverse, all-atom conformational ensembles of dynamic proteins such as G-protein-coupled receptors (GPCRs) is critical for understanding their function, yet most generative models simplify atomic detail or ignore conformational…

Biomolecules · Quantitative Biology 2025-08-19 Aditya Sengar , Ali Hariri , Daniel Probst , Patrick Barth , Pierre Vandergheynst

Diffusion models offer a powerful means of capturing the manifold of realistic protein structures, enabling rapid design for protein engineering tasks. However, existing approaches observe critical failure modes when precise constraints are…

Biomolecules · Quantitative Biology 2026-03-27 Jacob K. Christopher , Austin Seamann , Jingyi Cui , Sagar Khare , Ferdinando Fioretto

Molecular dynamics (MD) has long been the de facto choice for simulating complex atomistic systems from first principles. Recently deep learning models become a popular way to accelerate MD. Notwithstanding, existing models depend on…

Computational Engineering, Finance, and Science · Computer Science 2023-01-10 Fang Wu , Stan Z. Li

Computational protein design, i.e. inferring novel and diverse protein sequences consistent with a given structure, remains a major unsolved challenge. Recently, deep generative models that learn from sequences alone or from sequences and…

Biomolecules · Quantitative Biology 2021-11-15 Igor Melnyk , Payel Das , Vijil Chenthamarakshan , Aurelie Lozano

The advent of deep learning has introduced efficient approaches for de novo protein sequence design, significantly improving success rates and reducing development costs compared to computational or experimental methods. However, existing…

Artificial Intelligence · Computer Science 2024-07-11 Yutong Hu , Yang Tan , Andi Han , Lirong Zheng , Liang Hong , Bingxin Zhou

Mixed reality applications require tracking the user's full-body motion to enable an immersive experience. However, typical head-mounted devices can only track head and hand movements, leading to a limited reconstruction of full-body motion…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Angela Castillo , Maria Escobar , Guillaume Jeanneret , Albert Pumarola , Pablo Arbeláez , Ali Thabet , Artsiom Sanakoyeu

Designing new protein structures is fundamental to computational biology, enabling advances in therapeutic molecule discovery and enzyme engineering. Existing diffusion-based generative models typically operate in Cartesian coordinate…

Biomolecules · Quantitative Biology 2025-11-25 Lakshaditya Singh , Adwait Shelke , Divyansh Agrawal

Inverse protein folding generates valid amino acid sequences that can fold into a desired protein structure, with recent deep-learning advances showing strong potential and competitive performance. However, challenges remain, such as…

Biomolecules · Quantitative Biology 2025-07-29 Peizhen Bai , Filip Miljković , Xianyuan Liu , Leonardo De Maria , Rebecca Croasdale-Wood , Owen Rackham , Haiping Lu

Diffusion models have enabled remarkably high-quality medical image generation, yet it is challenging to enforce anatomical constraints in generated images. To this end, we propose a diffusion model-based method that supports…

Image and Video Processing · Electrical Eng. & Systems 2024-06-21 Nicholas Konz , Yuwen Chen , Haoyu Dong , Maciej A. Mazurowski

Generating novel and functional protein sequences is critical to a wide range of applications in biology. Recent advancements in conditional diffusion models have shown impressive empirical performance in protein generation tasks. However,…

Machine Learning · Computer Science 2025-12-04 Zinan Ling , Yi Shi , Brett McKinney , Da Yan , Yang Zhou , Bo Hui

Computational antibody design holds immense promise for therapeutic discovery, yet existing generative models are fundamentally limited by two core challenges: (i) a lack of dynamical consistency, which yields physically implausible…

Machine Learning · Computer Science 2025-11-06 Jiameng Chen , Yida Xiong , Kun Li , Hongzhi Zhang , Xiantao Cai , Wenbin Hu , Jia Wu

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…

Quantitative Methods · Quantitative Biology 2024-09-10 Paulina Kulytė , Francisco Vargas , Simon Valentin Mathis , Yu Guang Wang , José Miguel Hernández-Lobato , Pietro Liò

Understanding and predicting the diverse conformational states of molecules is crucial for advancing fields such as chemistry, material science, and drug development. Despite significant progress in generative models, accurately generating…

Machine Learning · Computer Science 2025-01-14 Zhejun Zhang , Yuanping Chen , Shibing Chu

Nature creates diverse proteins through a 'divide and assembly' strategy. Inspired by this idea, we introduce ProteinWeaver, a two-stage framework for protein backbone design. Our method first generates individual protein domains and then…

Biomolecules · Quantitative Biology 2024-11-28 Yiming Ma , Fei Ye , Yi Zhou , Zaixiang Zheng , Dongyu Xue , Quanquan Gu

Designing free-form photonic devices is fundamentally challenging due to the vast number of possible geometries and the complex requirements of fabrication constraints. Traditional inverse-design approaches--whether driven by human…

Optics · Physics 2025-04-25 Dongjin Seo , Soobin Um , Sangbin Lee , Jong Chul Ye , Haejun Chung

AI-based in silico methods have improved protein structure prediction but often struggle with large protein complexes (PCs) involving multiple interacting proteins due to missing 3D spatial cues. Experimental techniques like Cryo-EM are…

Inverse protein folding is challenging due to its inherent one-to-many mapping characteristic, where numerous possible amino acid sequences can fold into a single, identical protein backbone. This task involves not only identifying viable…

Quantitative Methods · Quantitative Biology 2023-11-08 Kai Yi , Bingxin Zhou , Yiqing Shen , Pietro Liò , Yu Guang Wang