at26-co/openstrip-charpatches

OpenStrip Character Patches

A collection of character image patches extracted from real thermal printer receipts (80mm, 203 DPI).

These patches are cropped from scanned receipts using OCR detection and human annotation. Each image contains a single character as rendered by thermal printer bitmap fonts (Font A: 12x24px, Font B: 9x17px).

Dataset Structure

• train/: Character patches organized by ASCII code
  • 65/ = A, 66/ = B, ..., 97/ = a, 98/ = b, ...
• metadata.jsonl: Labels with file_name and char

Usage

from datasets import load_dataset

ds = load_dataset("at26-co/openstrip-charpatches")

Source

Generated with OpenStrip - a tool for processing thermal printer receipt scans.