Thresholding
Pixel-level decision method used in binarization to separate foreground text from background.
Definition
Pixel-level decision method used in binarization to separate foreground text from background.
Why it matters
Wrong thresholds can destroy character shapes and hurt OCR.
Related PDFHQ workflows
Useful in OCR troubleshooting and scanned document cleanup.
Related Knowledge
OCR Confidence
Score indicating OCR engine certainty in recognized text.
Binarization
Converting images into black-and-white pixels for OCR and compression workflows.
Confidence Threshold
Cutoff score used to accept or reject OCR-detected characters/words.