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Peptide identification in mass spectrometry-based proteomics is crucial for understanding protein function and dynamics. Traditional database search methods, though widely used, rely on heuristic scoring functions and statistical…

Quantitative Methods · Quantitative Biology 2024-05-13 Yonghan Yu , Ming Li

The discovery of novel proteins relies on sensitive protein identification, for which de novo peptide sequencing (DNPS) from mass spectra is a crucial approach. While deep learning has advanced DNPS, existing models inadequately enforce the…

Quantitative Methods · Quantitative Biology 2026-02-25 Shaorong Chen , Jingbo Zhou , Jun Xia

Figuring out small molecule binding sites in target proteins, in the resolution of either pocket or residue, is critical in many virtual and real drug-discovery scenarios. Since it is not always easy to find such binding sites based on…

Quantitative Methods · Quantitative Biology 2023-04-19 Daeseok Lee , Jeunghyun Byun , Bonggun Shin

The design of novel protein structures remains a challenge in protein engineering for applications across biomedicine and chemistry. In this line of work, a diffusion model over rigid bodies in 3D (referred to as frames) has shown success…

Machine Learning · Computer Science 2023-05-24 Jason Yim , Brian L. Trippe , Valentin De Bortoli , Emile Mathieu , Arnaud Doucet , Regina Barzilay , Tommi Jaakkola

Antibody design remains a critical challenge in therapeutic and diagnostic development, particularly for complex antigens with diverse binding interfaces. Current computational methods face two main limitations: (1) capturing geometric…

Machine Learning · Computer Science 2025-06-27 Jiameng Chen , Xiantao Cai , Jia Wu , Wenbin Hu

Accurate identification of bioactive peptides (BPs) and protein post-translational modifications (PTMs) is essential for understanding protein function and advancing therapeutic discovery. However, most computational methods remain limited…

Machine Learning · Computer Science 2025-12-05 Jixiu Zhai , Zikun Wang , Chupei Tang , Haitian Zhong , Ziyang Xu , Yuhuan Liu , Shengrui Xu , Jingwan Wang , Dan Huang , Tianchi Lu

We propose SymDiff, a method for constructing equivariant diffusion models using the framework of stochastic symmetrisation. SymDiff resembles a learned data augmentation that is deployed at sampling time, and is lightweight,…

Machine Learning · Computer Science 2025-03-04 Leo Zhang , Kianoosh Ashouritaklimi , Yee Whye Teh , Rob Cornish

Deep joint source-channel coding (JSCC) has emerged as a promising paradigm for semantic communication, delivering significant performance gains over conventional separate coding schemes. However, existing JSCC frameworks remain vulnerable…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Changyuan Zhao , Jiacheng Wang , Ruichen Zhang , Dusit Niyato , Hongyang Du , Zehui Xiong , Dong In Kim , Ping Zhang

Deep learning has transformed protein design, enabling accurate structure prediction, sequence optimization, and de novo protein generation. Advances in single-chain protein structure prediction via AlphaFold2, RoseTTAFold, ESMFold, and…

Machine Learning · Computer Science 2025-02-27 Gregory W. Kyro , Tianyin Qiu , Victor S. Batista

Graph generation is a fundamental problem in graph learning with broad applications across Web-scale systems, knowledge graphs, and scientific domains such as drug and material discovery. Recent approaches leverage diffusion models for…

Machine Learning · Computer Science 2026-03-18 Jiachi Zhao , Zehong Wang , Yamei Liao , Chuxu Zhang , Yanfang Ye

Rich data and powerful machine learning models allow us to design drugs for a specific protein target \textit{in silico}. Recently, the inclusion of 3D structures during targeted drug design shows superior performance to other target-free…

Biomolecules · Quantitative Biology 2023-03-08 Jiaqi Guan , Wesley Wei Qian , Xingang Peng , Yufeng Su , Jian Peng , Jianzhu Ma

Low-field to high-field MRI synthesis has emerged as a cost-effective strategy to enhance image quality under hardware and acquisition constraints, particularly in scenarios where access to high-field scanners is limited or impractical.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Zhenxuan Zhang , Peiyuan Jing , Ruicheng Yuan , Liwei Hu , Anbang Wang , Fanwen Wang , Yinzhe Wu , Kh Tohidul Islam , Zhaolin Chen , Zi Wang , Peter Lally , Guang Yang

Generating images from graph-structured inputs, such as scene graphs, is uniquely challenging due to the difficulty of aligning nodes and connections in graphs with objects and their relations in images. Most existing methods address this…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Ling Yang , Zhilin Huang , Yang Song , Shenda Hong , Guohao Li , Wentao Zhang , Bin Cui , Bernard Ghanem , Ming-Hsuan Yang

This paper presents StrADiff, a Structured Source-Wise Adaptive Diffusion Framework for unsupervised blind source separation under linear and nonlinear mixing. The framework treats each latent dimension as a source branch and assigns to it…

Machine Learning · Statistics 2026-04-29 Yuan-Hao Wei

Reconstructing CT images from incomplete projection data remains challenging due to the ill-posed nature of the problem. Diffusion bridge models have recently shown promise in restoring clean images from their corresponding Filtered Back…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Yuang Wang , Pengfei Jin , Siyeop Yoon , Matthew Tivnan , Shaoyang Zhang , Li Zhang , Quanzheng Li , Zhiqiang Chen , Dufan Wu

While DeepMind has tentatively solved protein folding, its inverse problem -- protein design which predicts protein sequences from their 3D structures -- still faces significant challenges. Particularly, the lack of large-scale standardized…

Quantitative Methods · Quantitative Biology 2022-02-15 Zhangyang Gao , Cheng Tan , Stan Z. Li

Recently, 3D generative models have shown promising performances in structure-based drug design by learning to generate ligands given target binding sites. However, only modeling the target-ligand distribution can hardly fulfill one of the…

Biomolecules · Quantitative Biology 2024-03-22 Xiangxin Zhou , Xiwei Cheng , Yuwei Yang , Yu Bao , Liang Wang , Quanquan Gu

This paper presents the methods that have participated in the SHREC 2022 contest on protein-ligand binding site recognition. The prediction of protein-ligand binding regions is an active research domain in computational biophysics and…

Diffusion models have made tremendous progress in text-driven image and video generation. Now text-to-image foundation models are widely applied to various downstream image synthesis tasks, such as controllable image generation and image…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Fengyuan Shi , Jiaxi Gu , Hang Xu , Songcen Xu , Wei Zhang , Limin Wang

Deep generative models have achieved tremendous success in designing novel drug molecules in recent years. A new thread of works have shown the great potential in advancing the specificity and success rate of in silico drug design by…

Machine Learning · Computer Science 2025-07-14 Xingang Peng , Shitong Luo , Jiaqi Guan , Qi Xie , Jian Peng , Jianzhu Ma