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In recent years, interest in vision-language tasks has grown, especially those involving chart interactions. These tasks are inherently multimodal, requiring models to process chart images, accompanying text, underlying data tables, and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Mirna Al-Shetairy , Hanan Hindy , Dina Khattab , Mostafa M. Aref

Document layout analysis involves understanding the arrangement of elements within a document. This paper navigates the complexities of understanding various elements within document images, such as text, images, tables, and headings. The…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Tahira Shehzadi , Didier Stricker , Muhammad Zeshan Afzal

Multimodal Large Language Models (MLLMs) have shown impressive capabilities in image understanding and generation. However, current benchmarks fail to accurately evaluate the chart comprehension of MLLMs due to limited chart types and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Zhengzhuo Xu , Sinan Du , Yiyan Qi , Chengjin Xu , Chun Yuan , Jian Guo

Chart summarization is a crucial task for blind and visually impaired individuals as it is their primary means of accessing and interpreting graphical data. Crafting high-quality descriptions is challenging because it requires precise…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Omar Moured , Jiaming Zhang , M. Saquib Sarfraz , Rainer Stiefelhagen

Recent advances in multimodal large language models (MLLMs) highlight the need for benchmarks that rigorously evaluate structured chart comprehension. Chart grounding refers to the bidirectional alignment between a chart's visual appearance…

Artificial Intelligence · Computer Science 2026-02-02 Xinhang Li , Jingbo Zhou , Pengfei Luo , Yixiong Xiao , Tong Xu

Chart parsing poses a significant challenge due to the diversity of styles, values, texts, and so forth. Even advanced large vision-language models (LVLMs) with billions of parameters struggle to handle such tasks satisfactorily. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Jinyue Chen , Lingyu Kong , Haoran Wei , Chenglong Liu , Zheng Ge , Liang Zhao , Jianjian Sun , Chunrui Han , Xiangyu Zhang

Chart question-answering (QA) benchmarks aim to pose questions that require visual reasoning to correctly answer, but models can often reach solutions through shortcuts or prior familiarity with a chart based on their own background…

Computation and Language · Computer Science 2026-05-27 Yifan Jiang , Dae Yon Hwang , Jesse C. Cresswell , Freda Shi

Chart understanding tasks such as ChartQA and Chart-to-Text involve automatically extracting and interpreting key information from charts, enabling users to query or convert visual data into structured formats. State-of-the-art approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Xudong Yang , Yifan Wu , Yizhang Zhu , Nan Tang , Yuyu Luo

Chart-to-code reconstruction -- the task of recovering executable plotting scripts from chart images -- provides important insights into a model's ability to ground data visualizations in precise, machine-readable form. Yet many existing…

Charts are important for presenting and explaining complex data relationships. Recently, multimodal large language models (MLLMs) have shown remarkable capabilities in various chart understanding tasks. However, the sheer size of these…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Liang Zhang , Anwen Hu , Haiyang Xu , Ming Yan , Yichen Xu , Qin Jin , Ji Zhang , Fei Huang

The advances in AI-enabled techniques have accelerated the creation and automation of visualizations in the past decade. However, presenting visualizations in a descriptive and generative format remains a challenge. Moreover, current…

Human-Computer Interaction · Computer Science 2024-03-28 Qing Chen , Ying Chen , Ruishi Zou , Wei Shuai , Yi Guo , Jiazhe Wang , Nan Cao

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

Multimodal vision-language models (VLMs) continue to achieve ever-improving scores on chart understanding benchmarks. Yet, we find that this progress does not fully capture the breadth of visual reasoning capabilities essential for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Kushin Mukherjee , Donghao Ren , Dominik Moritz , Yannick Assogba

The digital conversion of information stored in documents is a great source of knowledge. In contrast to the documents text, the conversion of the embedded documents graphics, such as charts and plots, has been much less explored. We…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Joseph Shtok , Sivan Harary , Ophir Azulai , Adi Raz Goldfarb , Assaf Arbelle , Leonid Karlinsky

Chart-to-code generation demands strict visual precision and syntactic correctness from Vision-Language Models (VLMs). However, existing approaches are fundamentally constrained by data-centric limitations: despite the availability of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Xiangxi Zheng , Kuang He , Jiayi Hu , Ping Yu , Rui Yan , Yuan Yao , Peng Hou , Anxiang Zeng , Alex Jinpeng Wang

In the fields of computer vision and natural language processing, multimodal chart question-answering, especially involving color, structure, and textless charts, poses significant challenges. Traditional methods, which typically involve…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Jingxuan Wei , Nan Xu , Guiyong Chang , Yin Luo , BiHui Yu , Ruifeng Guo

Text-to-chart retrieval, enabling users to find relevant charts via natural language queries, has gained significant attention. However, evaluating models in real-world business intelligence (BI) scenarios is challenging, as current…

Information Retrieval · Computer Science 2026-03-18 Yifan Wu , Lutao Yan , Yizhang Zhu , Yenchi Tseng , Yinan Mei , Yong Wang , Jiannan Wang , Nan Tang , Yuyu Luo

Graph learning from data represents a canonical problem that has received substantial attention in the literature. However, insufficient work has been done in incorporating prior structural knowledge onto the learning of underlying…

Machine Learning · Statistics 2019-04-23 Sandeep Kumar , Jiaxi Ying , José Vinícius de M. Cardoso , Daniel Palomar

Document parsing is a core task in document intelligence, supporting applications such as information extraction, retrieval-augmented generation, and automated document analysis. However, real-world documents often feature complex layouts…

Data visualization in the form of charts plays a pivotal role in data analysis, offering critical insights and aiding in informed decision-making. Automatic chart understanding has witnessed significant advancements with the rise of large…

Computation and Language · Computer Science 2024-12-06 Kung-Hsiang Huang , Hou Pong Chan , Yi R. Fung , Haoyi Qiu , Mingyang Zhou , Shafiq Joty , Shih-Fu Chang , Heng Ji