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Related papers: CharTide: Data-Centric Chart-to-Code Generation vi…

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Translating chart images into executable plotting scripts-referred to as the chart-to-code generation task-requires Multimodal Large Language Models (MLLMs) to perform fine-grained visual parsing, precise code synthesis, and robust…

Computation and Language · Computer Science 2025-08-21 Zhihan Zhang , Yixin Cao , Lizi Liao

Vision-Language Models (VLMs) have demonstrated impressive capabilities in code generation across various domains. However, their ability to replicate complex, multi-panel visualizations from real-world data remains largely unassessed. To…

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…

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

The chart-to-code generation task requires MLLMs to convert chart images into executable code. This task faces two main challenges: limited data diversity and the difficulty of maintaining visual consistency between generated charts and the…

Machine Learning · Computer Science 2025-09-30 Wentao Tan , Qiong Cao , Chao Xue , Yibing Zhan , Changxing Ding , Xiaodong He

Charts are ubiquitous in scientific and financial literature for presenting structured data. However, chart reasoning remains challenging for multimodal large language models (MLLMs) due to the lack of high-quality training data, as well as…

Artificial Intelligence · Computer Science 2026-04-06 Situo Zhang , Yifan Zhang , Zichen Zhu , Da Ma , Lei Pan , Danyang Zhang , Zihan Zhao , Lu Chen , Kai Yu

We introduce Chart2Code, a new benchmark for evaluating the chart understanding and code generation capabilities of large multimodal models (LMMs). Chart2Code is explicitly designed from a user-driven perspective, capturing diverse…

Software Engineering · Computer Science 2026-04-21 Jiahao Tang , Henry Hengyuan Zhao , Lijian Wu , Zijian Zhang , Yifei Tao , Dongxing Mao , Yang Wan , Jingru Tan , Min Zeng , Min Li , Alex Jinpeng Wang

Vision Language Models (VLMs) often struggle with chart understanding tasks, particularly in accurate chart description and complex reasoning. Synthetic data generation is a promising solution, while usually facing the challenge of noise…

Artificial Intelligence · Computer Science 2025-08-19 Gongyao Jiang , Qiong Luo

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

Chart understanding presents a critical test to the reasoning capabilities of Vision-Language Models (VLMs). Prior approaches face critical limitations: some rely on external tools, making them brittle and constrained by a predefined…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Bohao Tang , Yan Ma , Fei Zhang , Jiadi Su , Ethan Chern , Zhulin Hu , Zhixin Wang , Pengfei Liu , Ya Zhang

Multi-modal large language models have demonstrated impressive performances on most vision-language tasks. However, the model generally lacks the understanding capabilities for specific domain data, particularly when it comes to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Yucheng Han , Chi Zhang , Xin Chen , Xu Yang , Zhibin Wang , Gang Yu , Bin Fu , Hanwang Zhang

Given the ubiquity of charts as a data analysis, visualization, and decision-making tool across industries and sciences, there has been a growing interest in developing pre-trained foundation models as well as general purpose…

Artificial Intelligence · Computer Science 2024-11-05 Ahmed Masry , Megh Thakkar , Aayush Bajaj , Aaryaman Kartha , Enamul Hoque , Shafiq Joty

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

Chart-to-code generation converts a chart image into an executable plotting script, enabling faithful reproduction and editable visualizations. Existing methods are largely Python-centric, limiting practical use and overlooking a critical…

Computation and Language · Computer Science 2026-04-28 Zhihan Zhang , Lizi Liao

Charts provide visual representations of data and are widely used for analyzing information, addressing queries, and conveying insights to others. Various chart-related downstream tasks have emerged recently, such as question-answering and…

Computation and Language · Computer Science 2024-03-15 Ahmed Masry , Mehrad Shahmohammadi , Md Rizwan Parvez , Enamul Hoque , Shafiq Joty

The emergence of Multi-modal Large Language Models (MLLMs) presents new opportunities for chart understanding. However, due to the fine-grained nature of these tasks, applying MLLMs typically requires large, high-quality datasets for…

Computation and Language · Computer Science 2025-10-08 Yifan Wu , Lutao Yan , Leixian Shen , Yinan Mei , Jiannan Wang , Yuyu Luo

Emerging multimodal large language models (MLLMs) exhibit great potential for chart question answering (CQA). Recent efforts primarily focus on scaling up training datasets (i.e., charts, data tables, and question-answer (QA) pairs) through…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Xingchen Zeng , Haichuan Lin , Yilin Ye , Wei Zeng

Recent methods for customizing Large Vision Language Models (LVLMs) for domain-specific tasks have shown promising results in scientific chart comprehension. However, existing approaches face two major limitations: First, they rely on…

Computation and Language · Computer Science 2025-07-22 Wan-Cyuan Fan , Yen-Chun Chen , Mengchen Liu , Alexander Jacobson , Lu Yuan , Leonid Sigal

Large language models (LLMs) have demonstrated strong capabilities across various language tasks, notably through instruction-tuning methods. However, LLMs face challenges in visualizing complex, real-world data through charts and plots.…

Machine Learning · Computer Science 2025-02-18 Fatemeh Pesaran Zadeh , Juyeon Kim , Jin-Hwa Kim , Gunhee Kim

Vision-Language Models (VLMs) have shown promise in generating plotting code from chart images, yet achieving structural fidelity remains challenging. Existing approaches largely rely on supervised fine-tuning, encouraging surface-level…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Minggui He , Mingchen Dai , Jian Zhang , Yilun Liu , Shimin Tao , Pufan Zeng , Osamu Yoshie , Yuya Ieiri
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