SHADING PROCESSOR AND SHADING PROCESSING METHOD FOR IMAGING ELEMENT AND IMAGING DEVICE

摘要

PPROBLEM TO BE SOLVED: To perform a precise shading inspection and correction further matched to human visual characteristics. PSOLUTION: This shading processor comprises a first detection means detecting the change rate of image data in a predetermined measuring area set within the image data; a second detection means dividing the measuring area to a plurality of areas in a case that the change rate detected by the first detection means is determined to be larger than a predetermined value, and detecting the change rate of the image data for each of the divided measuring areas; and an arithmetic means determining a shading correction value based on the detection results detected by the first and second detection means. PCOPYRIGHT: (C)2006,JPO&NCIPI