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.
International Journal on Document Analysis and Recognition (IJDAR) 14(1), 75–85 (2011)
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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.