US Patent Application 18318090. IMAGE PROCESSING APPARATUS, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM simplified abstract

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IMAGE PROCESSING APPARATUS, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM

Organization Name

CANON KABUSHIKI KAISHA==Inventor(s)==

[[Category:KENICHIROU Haruta of Chiba (JP)]]

IMAGE PROCESSING APPARATUS, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18318090 titled 'IMAGE PROCESSING APPARATUS, METHOD OF CONTROLLING THE SAME, AND STORAGE MEDIUM

Simplified Explanation

The present invention is an image processing apparatus for inspecting images on a printing medium.

  • The apparatus reads an image on the printing medium and obtains a target image to be inspected.
  • It corrects the position of a control point among control points located at or near the edge of the printing medium.
  • The apparatus performs alignment using the corrected position of the control point to align the target image with a reference image using non-rigid-body alignment.
  • It then inspects the target image for defects based on the aligned target image and the reference image.
  • The correction of the control point's position at or near the edge is done based on the interval between adjacent control points at or near the edge.


Original Abstract Submitted

The present invention provides an image processing apparatus that inspects an image formed on a printing medium. The image processing apparatus reads an image formed on a printing medium and obtains a target image to be inspected, and corrects a position of control point among control points disposed on the target image, at or near an edge of the printing medium, and performs alignment using the corrected position of the control point so as to align the target image to a reference image using a non-rigid-body alignment, and inspects for a defect in the target image on a basis of the aligned target image and the reference image. In the correcting, a position of a control point at or near the edge is corrected on a basis of an interval between adjacent control points at or near the edge.

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