PNG OCR Fixture Matrix
Pick PNG fixtures for clean receipt scans, grayscale OCR preprocessing, and image-based extraction smoke tests.
3
Lignes de fixtures
3
Comment utiliser cette matrice
Use the matrix when the validation target is a set of variants rather than one canonical sample.
Comment utiliser cette matrice
Coverage
- 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.
Lignes de fixtures
Available Variants
| Variante | Profil | Objectif de test | Fichier | Taille | Telecharger |
|---|---|---|---|---|---|
|
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 | Telecharger |
|
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 | Telecharger |
|
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 | Telecharger |
Pages de strategie liees
Related Packs and Workflows
Packs lies
Pack de fixtures pour extraction d images
Flux lies
Fixtures pour l extraction d images
Ouvrir le fluxPages de strategie liees
Related Pages
Guides du meilleur format
Recommandations par cas d'usage
Comment convertir
How to Convert BMP to PNG
How to Convert PNG to BMP
How to Convert PNG to TIFF
How to Convert PNG to WEBP