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We propose a joint subspace recovery and enhanced locality based robust flexible label consistent dictionary learning method called Robust Flexible Discriminative Dictionary Learning (RFDDL). RFDDL mainly improves the data representation…

计算机视觉与模式识别 · 计算机科学 2019-06-12 Zhao Zhang , Jiahuan Ren , Weiming Jiang , Zheng Zhang , Richang Hong , Shuicheng Yan , Meng Wang

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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Haocheng Tang , Xingyu Dang , Junmei Wang

Metal-organic frameworks (MOFs) are porous, crystalline materials with high surface area, adjustable porosity, and structural tunability, making them ideal for diverse applications. However, traditional experimental and computational…

生物大分子 · 定量生物学 2024-12-17 Dong Chen , Chun-Long Chen , Guo-Wei Wei

Split federated learning (SFL) is a compute-efficient paradigm in distributed machine learning (ML), where components of large ML models are outsourced to remote servers. A significant challenge in SFL, particularly when deployed over…

机器学习 · 计算机科学 2025-10-28 Aladin Djuhera , Vlad C. Andrei , Xinyang Li , Ullrich J. Mönich , Holger Boche , Walid Saad

The discovery of Metal-Organic Frameworks (MOFs) with application-specific properties remains a central challenge in materials chemistry, owing to the immense size and complexity of their structural design space. Conventional computational…

Digital reticular chemistry relies on accurate crystal structures to power computational screening, data-driven discovery, and structure-property analysis, yet recent studies reveal that more than half of the top-performing candidates in…

材料科学 · 物理学 2026-04-23 Yongchul G. Chung , Myoung Soo Lah

Despite being the main tool to visualize molecules at the atomic scale, AFM with CO-functionalized metal tips is unable to chemically identify the observed molecules. Here we present a strategy to address this challenging task using deep…

材料科学 · 物理学 2025-09-03 Jaime Carracedo-Cosme , Carlos Romero-Muñiz , Pablo Pou , Rubén Pérez

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…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Yujie Qian , Jiang Guo , Zhengkai Tu , Zhening Li , Connor W. Coley , Regina Barzilay

Molecular function is largely determined by structure. Accurately aligning molecular structure with natural language is therefore essential for enabling large language models (LLMs) to reason about downstream chemical tasks. However, the…

计算与语言 · 计算机科学 2026-05-11 Feiyang Cai , Guijuan He , Yi Hu , Jingjing Wang , Joshua Luo , Tianyu Zhu , Srikanth Pilla , Gang Li , Ling Liu , Feng Luo

Large Language Models (LLMs) are emerging as versatile foundation models for computational chemistry, handling bidirectional tasks like reaction prediction and retrosynthesis. However, these models often lack round-trip consistency. For…

机器学习 · 计算机科学 2025-10-03 Lecheng Kong , Xiyuan Wang , Yixin Chen , Muhan Zhang

Structure-based drug design (SBDD) is crucial for developing specific and effective therapeutics against protein targets but remains challenging due to complex protein-ligand interactions and vast chemical space. Although language models…

生物大分子 · 定量生物学 2024-08-20 Cong Fu , Xiner Li , Blake Olson , Heng Ji , Shuiwang Ji

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…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Zhuoqi Lyu , Qing Ke

Drug discovery can be viewed as a combinatorial search over an immense chemical space, motivating the development of deep generative models for de novo molecular design. Among these, GPT-based molecular language models (MLM) have shown…

机器学习 · 计算机科学 2026-02-02 Qianwei Yang , Dong Xu , Zhangfan Yang , Sisi Yuan , Zexuan Zhu , Jianqiang Li , Junkai Ji

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…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Ching Ting Leung , Yufan Chen , Hanyu Gao

Structure information is critical for understanding the semantics of text-rich images, such as documents, tables, and charts. Existing Multimodal Large Language Models (MLLMs) for Visual Document Understanding are equipped with text…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Anwen Hu , Haiyang Xu , Jiabo Ye , Ming Yan , Liang Zhang , Bo Zhang , Chen Li , Ji Zhang , Qin Jin , Fei Huang , Jingren Zhou

Federated Learning (FL) is a decentralized machine learning approach that has gained attention for its potential to enable collaborative model training across clients while protecting data privacy, making it an attractive solution for the…

This paper proposes a machine learning (ML) method to predict stable molecular geometries from their chemical composition. The method is useful for generating molecular conformations which may serve as initial geometries for saving time…

Ophthalmic images may contain identical-looking pathologies that can cause failure in automated techniques to distinguish different retinal degenerative diseases. Additionally, reliance on large annotated datasets and lack of knowledge…

图像与视频处理 · 电气工程与系统科学 2022-08-02 Sharif Amit Kamran , Khondker Fariha Hossain , Alireza Tavakkoli , Stewart Lee Zuckerbrod , Salah A. Baker

Reinforcement learning (RL) offers a capable and intuitive structure for the fundamental sequential decision-making problem. Despite impressive breakthroughs, it can still be difficult to employ RL in practice in many simple applications.…

人工智能 · 计算机科学 2024-01-18 Aida Afshar , Wenchao Li