Patent ID: 8836813
Filing Date: 2014-09-16
Classification: G06T,H04N

Abstract:
1. An image processing device, including: a first distribution equalization processor for generating a first multiple-color array data by inputting RAW data of a source image, the source image RAW data being outputted by mixing an even number of pixels from an image sensor having multiple-color pixels where an array of colors has a periodicity and having a pixel data distribution non-uniform in first and second array directions orthogonal to each other, and by correcting the pixel data distribution of the inputted source image RAW data to be uniform in the first array direction; and a second distribution equalization processor for inputting the first multiple-color array data and generating a second multiple-color array data by correcting the pixel data distribution of the inputted first multiple-color array data to be uniform in the second array direction, wherein the first distribution equalization processor includes: a first filtering processor for dividing the source image RAW data into a first luminance data and a first color carrier data that are continuous data by performing a pixel-based filtering process to the source image RAW data along the first array direction; a first luminance distribution equalization processor for generating a second luminance data by correcting a luminance distribution of the first luminance data to be uniform in the first array direction; and a first color array reproduction processor for generating the first multiple-color array data by re-synthesizing the first color carrier data with the second luminance data, and the second distribution equalization processor includes: a second filtering processor for dividing the first multiple-color array data into a third luminance data and a second color carrier data that are continuous data by performing a pixel-based filtering process to the first multiple-color array data along the second array direction; a second luminance distribution equalization processor for generating a fourth luminance data by correcting a luminance distribution of the third luminance data to be uniform in the second array direction; and a second color array reproduction processor for generating the second multiple-color array data by re-synthesizing the second color carrier data with the fourth luminance data.