English
Related papers

Related papers: MolParser: End-to-end Visual Recognition of Molecu…

200 papers

Molecular structures are always depicted as 2D printed form in scientific documents like journal papers and patents. However, these 2D depictions are not machine-readable. Due to a backlog of decades and an increasing amount of these…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Youjun Xu , Jinchuan Xiao , Chia-Han Chou , Jianhang Zhang , Jintao Zhu , Qiwan Hu , Hemin Li , Ningsheng Han , Bingyu Liu , Shuaipeng Zhang , Jinyu Han , Zhen Zhang , Shuhao Zhang , Weilin Zhang , Luhua Lai , Jianfeng Pei

Optical Chemical Structure Recognition (OCSR) plays a pivotal role in modern chemical informatics, enabling the automated conversion of chemical structure images from scientific literature, patents, and educational materials into…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Wenrui Zhang , Xinggang Wang , Bin Feng , Wenyu Liu

Automatically extracting chemical structures from documents is essential for the large-scale analysis of the literature in chemistry. Automatic pipelines have been developed to recognize molecules represented either in figures or in text…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Tim Strohmeyer , Lucas Morin , Gerhard Ingmar Meijer , Valéry Weber , Ahmed Nassar , Peter Staar

The automatic analysis of chemical literature has immense potential to accelerate the discovery of new materials and drugs. Much of the critical information in patent documents and scientific articles is contained in figures, depicting the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Lucas Morin , Martin Danelljan , Maria Isabel Agea , Ahmed Nassar , Valery Weber , Ingmar Meijer , Peter Staar , Fisher Yu

Optical Chemical Structure Recognition (OCSR) is critical for converting 2D molecular diagrams from printed literature into machine-readable formats. While Vision-Language Models have shown promise in end-to-end OCR tasks, their direct…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Haocheng Tang , Xingyu Dang , Junmei Wang

In the field of chemical structure recognition, the task of converting molecular images into machine-readable data formats such as SMILES string stands as a significant challenge, primarily due to the varied drawing styles and conventions…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Yufan Chen , Ching Ting Leung , Yong Huang , Jianwei Sun , Hao Chen , Hanyu Gao

The automated analysis of chemical literature holds promise to accelerate discovery in fields such as material science and drug development. In particular, search capabilities for chemical structures and Markush structures (chemical…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Lucas Morin , Valéry Weber , Ahmed Nassar , Gerhard Ingmar Meijer , Luc Van Gool , Yawei Li , Peter Staar

Understanding the chemical structure from a graphical representation of a molecule is a challenging image caption task that would greatly benefit molecule-centric scientific discovery. Variations in molecular images and caption subtasks…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Siqi Fan , Yuguang Xie , Bowen Cai , Ailin Xie , Gaochao Liu , Mu Qiao , Jie Xing , Zaiqing Nie

Molecular structure recognition is the task of translating a molecular image into its graph structure. Significant variation in drawing styles and conventions exhibited in chemical literature poses a significant challenge for automating…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Yujie Qian , Jiang Guo , Zhengkai Tu , Zhening Li , Connor W. Coley , Regina Barzilay

The extraction of molecular structures and reaction data from scientific documents is challenging due to their varied, unstructured chemical formats and complex document layouts. To address this, we introduce MolMole, a vision-based deep…

Optical Chemical Structure Recognition (OCSR) aims to translate molecular diagrams in scientific literature into machine-readable formats, but current systems remain unreliable on real-world images due to substantial visual and chemical…

Most molecular diagram parsers recover chemical structure from raster images (e.g., PNGs). However, many PDFs include commands giving explicit locations and shapes for characters, lines, and polygons. We present a new parser that uses these…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Ayush Kumar Shah , Bryan Manrique Amador , Abhisek Dey , Ming Creekmore , Blake Ocampo , Scott Denmark , Richard Zanibbi

Chemical structure extraction from documents remains a hard problem due to both false positive identification of structures during segmentation and errors in the predicted structures. Current approaches rely on handcrafted rules and…

Machine Learning · Computer Science 2018-02-15 Joshua Staker , Kyle Marshall , Robert Abel , Carolyn McQuaw

Modern research increasingly relies on automated methods to assist researchers. An example of this is Optical Chemical Structure Recognition (OCSR), which aids chemists in retrieving information about chemicals from large amounts of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Thomas Jurriaans , Kinga Szarkowska , Eric Nalisnick , Markus Schwoerer , Camilo Thorne , Saber Akhondi

Identifying the chemical structure from a graphical representation, or image, of a molecule is a challenging pattern recognition task that would greatly benefit drug development. Yet, existing methods for chemical structure recognition do…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Martijn Oldenhof , Edward De Brouwer , Adam Arany , Yves Moreau

For several decades, chemical knowledge has been published in written text, and there have been many attempts to make it accessible, for example, by transforming such natural language text to a structured format. Although the discovered…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Sanghyun Yoo , Ohyun Kwon , Hoshik Lee

Optical chemical structure recognition (OCSR) systems aim to extract the molecular structure information, usually in the form of molecular graph or SMILES, from images of chemical molecules. While many tools have been developed for this…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Ching Ting Leung , Yufan Chen , Hanyu Gao

Chemical representation learning has gained increasing interest due to the limited availability of supervised data in fields such as drug and materials design. This interest particularly extends to chemical language representation learning,…

Chemical Physics · Physics 2024-08-06 Jun-Hyung Park , Yeachan Kim , Mingyu Lee , Hyuntae Park , SangKeun Lee

Every molecule ever synthesised can be drawn as a 2D skeletal diagram, yet in modern property prediction this universally available representation has received less focus in favour of molecular graphs, 3D conformers, or billion-parameter…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Aaditya Baranwal , Akshaj Gupta , Shruti Vyas , Yogesh S Rawat

Optical chemical structure recognition (OCSR) translates molecular images into machine-readable representations like SMILES strings or molecular graphs, but remains challenging in real-world documents due to inexhaustible variations in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zhuoqi Lyu , Qing Ke
‹ Prev 1 2 3 10 Next ›