PNG OCR Fixture Matrix
Pick PNG fixtures for clean receipt scans, grayscale OCR preprocessing, and image-based extraction smoke tests.
Como usar esta matriz
- Covers clean scan-style PNGs and noisier grayscale OCR inputs.
- Useful for OCR preprocessing, thresholding, and receipt/document parsing workflows.
- Anchored to the image extraction pack and workflow hub.
Abrir biblioteca principal
Esta matriz esta vinculada a la biblioteca de PNG y a su manifiesto.
Filas de fixtures
| Variante | Perfil | Foco de prueba | Archivo | Tamano | Descargar |
|---|---|---|---|---|---|
|
Receipt Scan PNG
Good first OCR smoke test for grayscale scan ingestion.
|
Clean scan | Receipt OCR baseline | png_receipt_scan_sample.png |
4.4 KB | Descargar |
|
OCR-Noise PNG
Targets preprocessing, thresholding, and low-quality scan handling.
|
Noisy scan | Denoising and OCR robustness | png_ocr_noise_sample.png |
42.0 KB | Descargar |
|
1000x600 PNG
Useful as a non-document control image when comparing OCR routing behavior.
|
Generic image baseline | Simple raster acceptance | png_1000x600_sample_file_21KB.png |
20.1 KB | Descargar |
Packs relacionados
Image Extraction Fixture Pack
Bundle of real PNG, JPEG, TIFF, and scan-style PDF fixtures for OCR, scan ingestion, and document-photo extraction workflows.
image_extraction_fixture_pack.zip · 382.3 KB
Flujos relacionados
Image Extraction Fixtures
PNG, JPEG, TIFF, and scan-style PDF fixtures for OCR, document-photo capture, scan preprocessing, and image-based extraction workflows.
Abrir flujoPaginas de estrategia relacionadas
Guias del mejor formato
Recomendaciones por caso de uso
Como convertir
How to Convert PNG to TIFF
How to Convert PNG to WEBP
How to Convert TIFF to PNG
How to Convert WEBP to PNG
Comparaciones