In study on recognition of scanned image of engineering drawings, the recognition for circular arcs is an important and difficult problem.
e-scanned image converter
It could even use scanned images to supplement existing realities, said Mr Nakamura.
Select this option if you want to zoom or resize photos, scanned images, or bitmaps quickly. Images on your screen might have low detail, but will print with full accuracy.
Use this setting for computer art, photographs, and scanned images. This setting matches your screen using clear and vivid colors.