Image processing apparatus, method and computer program product

Details Image processing apparatus, method and computer program product Image processing apparatus, method and computer program product

1999-05-06

2000-06-20

Couso, Jose L.

Image analysis

Image sensing

G06K 920

Patent

active

060787031

ABSTRACT:
An image reading unit reads an original image, one main scan line by one main scan line, in a sub-scan direction. A window setting unit sets a measuring window in a bit-map formation of image data obtained through the image reading unit, in a manner in which the measuring window moves in a predetermined manner so that the measuring window appropriately includes pixels of an oblique line image which is formed in the bit-map formation of image data as a result of being read through the image reading unit. A position error measuring unit processes image data defined by the measuring window, and, thus, measures an error of the oblique line image formed in the bit-map formation of obtained image data between a predetermined reference state and an actual reading state.

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