ChartZero achieves zero-shot line chart data extraction by training only on synthetic mathematical functions, using a Global Orthogonal Instance loss to prevent curve fragmentation and a VLM-guided strategy for legend matching.
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ChartZero: Synthetic Priors Enable Zero Shot Chart Data Extraction
ChartZero achieves zero-shot line chart data extraction by training only on synthetic mathematical functions, using a Global Orthogonal Instance loss to prevent curve fragmentation and a VLM-guided strategy for legend matching.