OCR扫描优化
清理并提升扫描文档质量
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OCR扫描优化
什么是扫描清理？
OCR scan cleanup improves scan quality before OCR. Removes noise, corrects skew, and enhances contrast.
Cleanup runs locally. Your scans stay on your device.
何时使用？
- Poor scans: Improve low-quality scans before OCR
- Skewed pages: Correct rotation and alignment
- Noise removal: Clean up dirt and speckles
- Contrast: Enhance faded or light text
优点
- Pre-OCR: Better input = better output
- Deskew: Fix rotated scans
- Denoise: Remove scan artifacts
- Local: Private processing
常见问题
Quality improvements usually help. Keep original as backup.
Common: JPEG, PNG, TIFF, PDF. Check the tool.
如何使用
- Upload: Add scanned image or PDF
- Cleanup: Run despeckle, deskew, contrast
- Preview: Check result
- Process: Use for OCR or download
提示: Clean up before OCR for best accuracy.
工具信息
- 支持的格式: .pdf,.jpg,.jpeg,.png
- 最大文件大小: 50 MB
- 处理方式: 服务器
您的隐私
文件安全处理，处理后自动删除。
反馈
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