CycleChart: A Unified Consistency-Based Learning Framework for Bidirectional Chart Understanding and Generation

• URL: http://arxiv.org/abs/2512.19173v1
• Date: Mon, 22 Dec 2025 09:07:34 GMT
• Title: CycleChart: A Unified Consistency-Based Learning Framework for Bidirectional Chart Understanding and Generation
• Authors: Dazhen Deng, Sen Yang, Yuchen He, Yuan Tian, Yingcai Wu,
• Abstract summary: CycleChart is a consistency-based learning framework for bidirectional chart understanding and generation.<n>To learn cross-directional chart semantics, CycleChart introduces a generate-parse consistency objective.<n> CycleChart achieves strong results on chart generation, chart parsing, and chart question answering.
• Score: 31.143525247190905
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Current chart-specific tasks, such as chart question answering, chart parsing, and chart generation, are typically studied in isolation, preventing models from learning the shared semantics that link chart generation and interpretation. We introduce CycleChart, a consistency-based learning framework for bidirectional chart understanding and generation. CycleChart adopts a schema-centric formulation as a common interface across tasks. We construct a consistent multi-task dataset, where each chart sample includes aligned annotations for schema prediction, data parsing, and question answering. To learn cross-directional chart semantics, CycleChart introduces a generate-parse consistency objective: the model generates a chart schema from a table and a textual query, then learns to recover the schema and data from the generated chart, enforcing semantic alignment across directions. CycleChart achieves strong results on chart generation, chart parsing, and chart question answering, demonstrating improved cross-task generalization and marking a step toward more general chart understanding models.

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