ConceptCharacter Accuracy
Character Accuracy
One of the most commonly used metrics in traditional OCR evaluation. It computes the character-level match between recognition results and reference answers based on edit distance; it is simple to calculate but insensitive to structural errors.
Timeline (last 90 days)
Oct 15
Edit distance and character accuracy are insensitive to the 'position' and 'structure' of errors, and lack a clear 'pass/fail' semantic boundary
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