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Recent multimodal LLMs have shown promise in chart-based visual question answering, but their performance declines sharply on unannotated charts-those requiring precise visual interpretation rather than relying on textual shortcuts. To…

Artificial Intelligence · Computer Science 2026-01-08 Rachneet Kaur , Nishan Srishankar , Zhen Zeng , Sumitra Ganesh , Manuela Veloso

Accurate chart comprehension represents a critical challenge in advancing multimodal learning systems, as extensive information is compressed into structured visual representations. However, existing vision-language models (VLMs) frequently…

Machine Learning · Computer Science 2026-03-10 Xin Zhang , Xingyu Li , Rongguang Wang , Ruizhong Miao , Zheng Wang , Dan Roth , Chenyang Li

Automated chart design has seen significant advancements with the emergence of Large-Language Models (LLMs), which offer a practical solution for generating charts. However, LLMs frequently introduce possibly critical design failures, such…

Human-Computer Interaction · Computer Science 2026-01-08 Yao Wang , Jiarong Pan , Danqing Shi , Zhiming Hu , Antti Oulasvirta , Andreas Bulling

Information visualizations such as bar charts and line charts are very popular for exploring data and communicating insights. Interpreting and making sense of such visualizations can be challenging for some people, such as those who are…

Computation and Language · Computer Science 2020-12-01 Jason Obeid , Enamul Hoque

Charts represent an essential source of visual information in documents and facilitate a deep understanding and interpretation of information typically conveyed numerically. In the scientific literature, there are many charts, each with its…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Anurag Dhote , Mohammed Javed , David S Doermann

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

Infographics are often an integral component of scientific documents for reporting qualitative or quantitative findings as they make it much simpler to comprehend the underlying complex information. However, their interpretation continues…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Anukriti Kumar , Tanuja Ganu , Saikat Guha

Text is ubiquitous in our visual world, conveying crucial information, such as in documents, websites, and everyday photographs. In this work, we propose UReader, a first exploration of universal OCR-free visually-situated language…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Jiabo Ye , Anwen Hu , Haiyang Xu , Qinghao Ye , Ming Yan , Guohai Xu , Chenliang Li , Junfeng Tian , Qi Qian , Ji Zhang , Qin Jin , Liang He , Xin Alex Lin , Fei Huang

Building cross-model intelligence that can understand charts and communicate the salient information hidden behind them is an appealing challenge in the vision and language(V+L) community. The capability to uncover the underlined table data…

Computation and Language · Computer Science 2023-05-31 Mingyang Zhou , Yi R. Fung , Long Chen , Christopher Thomas , Heng Ji , Shih-Fu Chang

Understanding charts requires models to jointly reason over geometric visual patterns, structured numerical data, and natural language -- a capability where current vision-language models (VLMs) remain limited. We introduce ChartNet, a…

Current chart-related tasks, such as chart generation (NL2Chart), chart schema parsing, chart data parsing, and chart question answering (ChartQA), are typically studied in isolation, preventing models from learning the shared semantics…

Computation and Language · Computer Science 2026-04-10 Dazhen Deng , Sen Yang , Yuchen He , Yuan Tian , Yingcai Wu

In this paper, we fill the research gap by adopting state-of-the-art computer vision techniques for the data extraction stage in a data mining system. As shown in Fig.1, this stage contains two subtasks, namely, plot element detection and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Weihong Ma , Hesuo Zhang , Shuang Yan , Guangshun Yao , Yichao Huang , Hui Li , Yaqiang Wu , Lianwen Jin

Chart reasoning is a critical capability for Vision Language Models (VLMs). However, the development of open-source models is severely hindered by the lack of high-quality training data. Existing datasets suffer from a dual challenge:…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Zheng Liu , Honglin Lin , Chonghan Qin , Xiaoyang Wang , Xin Gao , Yu Li , Mengzhang Cai , Yun Zhu , Zhanping Zhong , Qizhi Pei , Zhuoshi Pan , Xiaoran Shang , Bin Cui , Conghui He , Wentao Zhang , Lijun Wu

Multimodal Large Language Models (MLLMs) have demonstrated remarkable capabilities in chart understanding tasks. However, interpreting charts with textual descriptions often leads to information loss, as it fails to fully capture the dense…

Artificial Intelligence · Computer Science 2025-07-03 Xuanle Zhao , Xianzhen Luo , Qi Shi , Chi Chen , Shuo Wang , Zhiyuan Liu , Maosong Sun

Charts are common in literature across various scientific fields, conveying rich information easily accessible to readers. Current chart-related tasks focus on either chart perception that extracts information from the visual charts, or…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Renqiu Xia , Haoyang Peng , Hancheng Ye , Mingsheng Li , Xiangchao Yan , Peng Ye , Botian Shi , Yu Qiao , Junchi Yan , Bo Zhang

Charts are the dominant medium for visualizing data, discovering patterns and trends, and communicating data driven insights, yet designing them still requires expensive human effort and expertise, such as selecting appropriate chart types,…

Human-Computer Interaction · Computer Science 2026-05-19 Mohammed Afaan Ansari , Aniruddh Bansal , Tianyi Zhou

Vertical bars, horizontal bars, dot, scatter, and line plots provide a diverse set of visualizations to represent data. To understand these plots, one must be able to recognize textual components, locate data points in a plot, and process…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Brendan Artley

Charts are ubiquitous as they help people understand and reason with data. Recently, various downstream tasks, such as chart question answering, chart2text, and fact-checking, have emerged. Large Vision-Language Models (LVLMs) show promise…

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

Efficiently navigating and understanding academic papers is crucial for scientific progress. Traditional linear formats like PDF and HTML can cause cognitive overload and obscure a paper's hierarchical structure, making it difficult to…

Human-Computer Interaction · Computer Science 2025-07-28 Zijian Zhang , Pan Chen , Fangshi Du , Runlong Ye , Oliver Huang , Michael Liut , Alán Aspuru-Guzik