OP11 Internals
Text recognition in ScanSoft’s OP11
- OCR Engines available:
- Caere’s engine (Salt & Pepper)
- Uses a Matrix Matching based algorithm
- feature set: 40 cells of an 8x5 grid
- good overall description of a shape
- weaker at detailed structure
- Recognita’s engine (Paprika)
- Uses a Contour Tracing based algorithm
- feture set: convex and concave arcs on the contour
- good detailed description of a shape
- weaker at overall structure