The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2019
Filed:
May. 25, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Tadayoshi Nakayama, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
The invention realizes, with a circuit size having a small number of multipliers, one-dimensional cubic interpolation, which is a primitive calculation of two-dimensional bicubic interpolation that is often used as high image quality interpolation processing of images. An image processing apparatus includes a first linear interpolation calculator that generates an interpolated pixel value at an interpolation position through linear interpolation, based on pixel values of a pair of pixels among a plurality of pixels, a plurality of second linear interpolation calculators that generate a plurality of correction values by respectively performing linear interpolation based on a pair of difference values among a plurality of difference values between pixel values of the plurality of pixels, and a calculator that generates a pixel value at the interpolation position based on the interpolated pixel value and the plurality of correction values.