Patent ID: 7949201
Filing Date: 2011-05-24
Classification: G06T,H04N

Abstract:
1. An image processing system comprising: a local area selecting section configured to select a local area as at least one correction target from an input image, said local area including at least one pixel, and a peripheral area being presented around said local area; a correction amount calculating section configured to calculate a gradation correction amount for said local area; and a local gradation correcting section configured to perform gradation correction, in which a gradation value of said local area is corrected based on the gradation correction amount, to generate a local area gradation corrected image, wherein said correction amount calculating section comprises: wherein said peripheral area gradation value calculating section sets one or more characteristic route lines to link said local area and characteristic point, determines one or more route characteristic points in each of the characteristic route lines, and calculates a gradation value of the route characteristic point or a weighted average brightness value of the route characteristic point as the gradation value.