OCR accuracy depends heavily on source quality, not only the tool.
2
解像度
Use at least 300 DPI to preserve character boundaries.
3
コントラスト
Keep text/background contrast clear for stable recognition.
4
向き補正
Correct page orientation before running OCR.
5
ノイズ低減
Reduce scan noise to avoid false character detection.
6
抽出後確認
After extraction, validate numbers, names, and email addresses first.