Patent ID: 6677948
Filing Date: 2004-01-13
Classification: G06T

Abstract:
A method for generating a defocused image from an input image having pixels, the input image having a size and including depth data and image value data for each pixel, the method comprising:determining a plurality of image element sets, each image element set having a different resolution and comprising at least one image element; determining, for each pixel, a region of confusion for that pixel based on at least the depth data for that pixel, each region of confusion having a size; determining, for each pixel, at least one image value contribution based on the image value data and the size of the region of confusion for that pixel; determining, for at least one image element of at least one image element set, the contributing pixels which provide at least one image value contribution to that image element; determining the image value data of at least one image element of at least one image element set based on the at least one image value contribution of at least one contributing pixel for that image element; and combining image value data of corresponding image elements of the plurality of element sets to generate the defocused image.