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The analytical description of charts is an exciting and important research area with many applications in academia and industry. Yet, this challenging task has received limited attention from the computational linguistics research…

Computation and Language · Computer Science 2021-08-18 Jiawen Zhu , Jinye Ran , Roy Ka-wei Lee , Kenny Choo , Zhi Li

Accurate extraction of key information from 2D engineering drawings is crucial for high-precision manufacturing. Manual extraction is slow and labor-intensive, while traditional Optical Character Recognition (OCR) techniques often struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Muhammad Tayyab Khan , Zane Yong , Lequn Chen , Jun Ming Tan , Wenhe Feng , Seung Ki Moon

Data visualizations like charts are fundamental tools for quantitative analysis and decision-making across fields, requiring accurate interpretation and mathematical reasoning. The emergence of Multimodal Large Language Models (MLLMs)…

Artificial Intelligence · Computer Science 2025-08-26 Anku Rani , Aparna Garimella , Apoorv Saxena , Balaji Vasan Srinivasan , Paul Pu Liang

Charts are an essential part of both graphicacy (graphical literacy), and statistical literacy. As chart understanding has become increasingly relevant in data science, automating chart analysis by processing raster images of the charts has…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Jaya Sreevalsan-Nair , Komal Dadhich , Siri Chandana Daggubati

Flowcharts are graphical tools for representing complex concepts in concise visual representations. This paper introduces the FlowLearn dataset, a resource tailored to enhance the understanding of flowcharts. FlowLearn contains complex…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Huitong Pan , Qi Zhang , Cornelia Caragea , Eduard Dragut , Longin Jan Latecki

Large Language Models (LLMs) can perform chart question-answering tasks but often generate unverified hallucinated responses. Existing answer attribution methods struggle to ground responses in source charts due to limited visual-semantic…

Computation and Language · Computer Science 2025-02-04 Kanika Goswami , Puneet Mathur , Ryan Rossi , Franck Dernoncourt

Data visualization tasks often require multi-step reasoning, and the interpretive strategies experts use, such as decomposing complex goals into smaller subtasks and selectively attending to key chart regions are rarely made explicit.…

Human-Computer Interaction · Computer Science 2025-06-30 Oliver Huang , Carolina Nobre

Chart summarization is crucial for enhancing data accessibility and the efficient consumption of information. However, existing methods, including those with Multimodal Large Language Models (MLLMs), primarily focus on low-level data…

Artificial Intelligence · Computer Science 2026-02-24 Yuhang Bai , Yujuan Ding , Shanru Lin , Wenqi Fan

Understanding infographic charts with design-driven visual elements (e.g., pictograms, icons) requires both visual recognition and reasoning, posing challenges for multimodal large language models (MLLMs). However, existing visual-question…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Tianchi Xie , Minzhi Lin , Mengchen Liu , Yilin Ye , Changjian Chen , Shixia Liu

Visually-situated languages such as charts and plots are omnipresent in real-world documents. These graphical depictions are human-readable and are often analyzed in visually-rich documents to address a variety of questions that necessitate…

Artificial Intelligence · Computer Science 2023-10-31 Anran Wu , Luwei Xiao , Xingjiao Wu , Shuwen Yang , Junjie Xu , Zisong Zhuang , Nian Xie , Cheng Jin , Liang He

Embedding data visualizations in video can enhance the communication of complex information. However, this process is often labor-intensive, requiring designers to adjust visualizations frame by frame manually. In this work, we present…

Human-Computer Interaction · Computer Science 2026-01-01 Yi He , Yuqi Liu , Chenpu Li , Ruoyan Chen , Chuer Chen , Shengqi Dang , Nan Cao

Tabulated content is omnipresent in scientific literature. This work presents the R package *tableParser*, designed to extract and postprocess tables from NISO-JATS-encoded XML, HTML, DOCX, and, with limitations, PDF documents.…

Applications · Statistics 2026-03-23 Ingmar Böschen

Information representation as tables are compact and concise method that eases searching, indexing, and storage requirements. Extracting and cloning tables from parsable documents is easier and widely used, however industry still faces…

Information Retrieval · Computer Science 2020-10-20 Smita Pallavi , Raj Ratn Pranesh , Sumit Kumar

Statistical infographics are powerful tools that simplify complex data into visually engaging and easy-to-understand formats. Despite advancements in AI, particularly with LLMs, existing efforts have been limited to generating simple…

Computation and Language · Computer Science 2025-07-29 Akash Ghosh , Aparna Garimella , Pritika Ramu , Sambaran Bandyopadhyay , Sriparna Saha

Infographics are documents designed to effectively communicate information using a combination of textual, graphical and visual elements. In this work, we explore the automatic understanding of infographic images by using Visual Question…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Minesh Mathew , Viraj Bagal , Rubèn Pérez Tito , Dimosthenis Karatzas , Ernest Valveny , C. V Jawahar

Recently, multimodal large language models (MLLMs) have attracted increasing research attention due to their powerful visual understanding capabilities. While they have achieved impressive results on various vision tasks, their performance…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Chengzhi Xu , Yuyang Wang , Lai Wei , Lichao Sun , Weiran Huang

Information visualizations such as bar charts and line charts are very common for analyzing data and discovering critical insights. Often people analyze charts to answer questions that they have in mind. Answering such questions can be…

Computation and Language · Computer Science 2022-05-24 Enamul Hoque , Parsa Kavehzadeh , Ahmed Masry

Generation of scientific visualization from analytical natural language text is a challenging task. In this paper, we propose Text2Chart, a multi-staged chart generator method. Text2Chart takes natural language text as input and produce…

Chart understanding is a quintessential information fusion task, requiring the seamless integration of graphical and textual data to extract meaning. The advent of Multimodal Large Language Models (MLLMs) has revolutionized this domain, yet…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Zhihang Yi , Jian Zhao , Jiancheng Lv , Tao Wang

Visual chart recognition systems are gaining increasing attention due to the growing demand for automatically identifying table headers and values from chart images. Current methods rely on keypoint detection to estimate data element shapes…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Wenyuan Xue , Dapeng Chen , Baosheng Yu , Yifei Chen , Sai Zhou , Wei Peng