A new benchmark with synthetic PDFs and LLM semantic judging reveals wide performance gaps among PDF parsers on math formulas and validates the judge via human ratings at r=0.78.
Int ernational Journal on Document Analysis and Recognition (IJDAR) 24(1), 63–75 (2021)
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Benchmarking Document Parsers on Mathematical Formula Extraction from PDFs
A new benchmark with synthetic PDFs and LLM semantic judging reveals wide performance gaps among PDF parsers on math formulas and validates the judge via human ratings at r=0.78.