Tag

Document processing

2posts tagged Document processing. All posts

9 September 2026Document processingEvaluationHuman in the loop

AI document extraction: the confidence score is not calibrated

A confidence score that routes documents well can still be uncorrelated with correctness. Measured on receipts: accuracy at 1.0 was lower than at 0.0.

9 September 2026Document processingOcrEvaluation

OCR accuracy: the document-level check that measures nothing

Scanned PDFs passed every document-level quality check we threw at them while whole pages extracted as one character. Where the loss actually hides.