English
Related papers

Related papers: ChemScraper: Leveraging PDF Graphics Instructions …

200 papers

We report a method to convert discrete representations of molecules to and from a multidimensional continuous representation. This model allows us to generate new molecules for efficient exploration and optimization through open-ended…

Determining the structure and following the structural evolution of molecules undergoing chemical reactions is one of the key goals of ultrafast molecular physics and chemistry. Recently, Coulomb explosion imaging has emerged as a promising…

Molecular generation plays an important role in drug discovery and materials science, especially in data-scarce scenarios where traditional generative models often struggle to achieve satisfactory conditional generalization. To address this…

Machine Learning · Computer Science 2025-05-13 Zimo Yan , Jie Zhang , Zheng Xie , Chang Liu , Yizhen Liu , Yiping Song

Molecular property prediction is an increasingly critical task within drug discovery and development. Typically, neural networks can learn molecular properties using graph-based, language-based or feature-based methods. Recent advances in…

Machine Learning · Computer Science 2025-07-31 Philip Spence , Brooks Paige , Anne Osbourn

Designing a neural network architecture for molecular representation is crucial for AI-driven drug discovery and molecule design. In this work, we propose a new framework for molecular representation learning. Our contribution is threefold:…

Machine Learning · Computer Science 2022-10-18 Jiye Kim , Seungbeom Lee , Dongwoo Kim , Sungsoo Ahn , Jaesik Park

We present an end-to-end trainable approach for Optical Character Recognition (OCR) on printed documents. Specifically, we propose a model that predicts a) a two-dimensional character grid (\emph{chargrid}) representation of a document…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Christian Reisswig , Anoop R Katti , Marco Spinaci , Johannes Höhne

In this study, we present ScoreFormer, a novel graph transformer model designed to accurately predict molecular docking scores, thereby optimizing high-throughput virtual screening (HTVS) in drug discovery. The architecture integrates…

Machine Learning · Computer Science 2024-06-26 Álvaro Ciudad , Adrián Morales-Pastor , Laura Malo , Isaac Filella-Mercè , Victor Guallar , Alexis Molina

Training of semantic segmentation models for material analysis requires micrographs and their corresponding masks. It is quite unlikely that perfect masks will be drawn, especially at the edges of objects, and sometimes the amount of data…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Matias Oscar Volman Stern , Dominic Hohs , Andreas Jansche , Timo Bernthaler , Gerhard Schneider

GNNs and chemical fingerprints are the predominant approaches to representing molecules for property prediction. However, in NLP, transformers have become the de-facto standard for representation learning thanks to their strong downstream…

Machine Learning · Computer Science 2020-10-26 Seyone Chithrananda , Gabriel Grand , Bharath Ramsundar

The web contains large-scale, diverse, and abundant information to satisfy the information-seeking needs of humans. Through meticulous data collection, preprocessing, and curation, webpages can be used as a fundamental data resource for…

Computation and Language · Computer Science 2024-06-18 Zhipeng Xu , Zhenghao Liu , Yukun Yan , Zhiyuan Liu , Ge Yu , Chenyan Xiong

We have benchmarked the maximum obtainable recognition accuracy on various word image datasets using manual segmentation and a currently available commercial OCR. We have developed a Matlab program, with graphical user interface, for…

Computer Vision and Pattern Recognition · Computer Science 2012-08-31 Deepak Kumar , M N Anil Prasad , A G Ramakrishnan

Feature foundation models - usually vision transformers - offer rich semantic descriptors of images, useful for downstream tasks such as (interactive) segmentation and object detection. For computational efficiency these descriptors are…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Ronan Docherty , Antonis Vamvakeros , Samuel J. Cooper

Graph self-supervised learning (GSSL) has demonstrated strong potential for generating expressive graph embeddings without the need for human annotations, making it particularly valuable in domains with high labeling costs such as molecular…

Machine Learning · Computer Science 2026-02-25 Jiele Wu , Haozhe Ma , Zhihan Guo , Thanh Vinh Vo , Tze Yun Leong

Machine learning is becoming a preferred method for the virtual screening of organic materials due to its cost-effectiveness over traditional computationally demanding techniques. However, the scarcity of labeled data for organic materials…

Chemical Physics · Physics 2024-03-06 Chengwei Zhang , Yushuang Zhai , Ziyang Gong , Hongliang Duan , Yuan-Bin She , Yun-Fang Yang , An Su

Molecular dynamics simulations produce data with complex nonlinear dynamics. If the timestep behavior of such a dynamic system can be represented by a linear operator, future states can be inferred directly without expensive simulations.…

Machine Learning · Computer Science 2021-05-27 Willis Hoke , Daniel Shea , Stephen Casey

Computational chemists typically assay drug candidates by virtually screening compounds against crystal structures of a protein despite the fact that some targets, like the $\mu$ Opioid Receptor and other members of the GPCR family,…

Table structure recognition is an essential part for making machines understand tables. Its main task is to recognize the internal structure of a table. However, due to the complexity and diversity in their structure and style, it is very…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Zhenrong Zhang , Jianshu Zhang , Jun Du

Molecular property prediction is crucial for drug discovery and materials science, yet existing approaches suffer from limited interpretability, poor cross-task generalization, and lack of chemical reasoning capabilities. Traditional…

Machine Learning · Computer Science 2025-10-20 Jiaxi Zhuang , Yaorui Shi , Jue Hou , Yunong He , Mingwei Ye , Mingjun Xu , Yuming Su , Linfeng Zhang , Ying Qian , Linfeng Zhang , Guolin Ke , Hengxing Cai

Learning neural program embeddings is key to utilizing deep neural networks in program languages research --- precise and efficient program representations enable the application of deep models to a wide range of program analysis tasks.…

Software Engineering · Computer Science 2019-07-12 Ke Wang , Zhendong Su

Tandem mass spectra capture fragmentation patterns that provide key structural information about a molecule. Although mass spectrometry is applied in many areas, the vast majority of small molecules lack experimental reference spectra. For…

Machine Learning · Computer Science 2023-05-03 Adamo Young , Bo Wang , Hannes Röst