Method and device for processing a super-resolution image
AssigneeDelta Electronics, Inc.
InventorYi-Kuei Liu
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Abstract
An image processing method for processing a super-resolution image and a device thereof are disclosed herein. The image processing method includes the following steps: upscaling an input image to a first image by a factor of n according to an upscaling algorithm; downsampling the input image to a second image by the factor of n; upscaling the second image to a third image by a factor of n according to the upscaling algorithm; subtracting the third image from the input image so as to obtain a first difference image; upscaling the first difference image to a second difference image by a factor of n according to the upscaling algorithm; summing the first image and the second difference image to an output image.
Claims4
An image processing method, comprising:
- upscaling an input image to a first image by a factor of n according to an upscaling algorithm;
- downsampling the first image to a second image by the factor of n;
- upscaling the second image to a third image by a factor of n according to the upscaling algorithm;
- subtracting the third image from the input image so as to obtain a first difference image;
- upscaling the first difference image to a second difference image by a factor of n according to the upscaling algorithm, further comprising:
- allocating the first difference image to an intermediate image according to a color filter matrix;
- and
- interpolating the intermediate image to the second difference image according to an interpolation algorithm, wherein sizes of the intermediate image and the second difference are each n times greater than a size of the input image;
- and
- summing the first image and the second difference image to an output image,
- wherein n is a positive integer.
A non-transitory computer readable storage medium with a computer program to execute an image processing method, comprising:
- upscaling an input image to a first image by a factor of n according to an upscaling algorithm;
- downsampling the first image to a second image by the factor of n;
- upscaling the second image to a third image by a factor of n according to the upscaling algorithm;
- subtracting the third image from the input image so as to obtain a first difference image;
- upscaling the first difference image to a second difference image by a factor of n according to the upscaling algorithm, further comprising:
- allocating the first difference image to an intermediate image according to a color filter matrix;
- and
- interpolating the intermediate image to the second difference image according to an interpolation algorithm, wherein sizes of the intermediate image and the second difference are each n times greater than a size of the input image;
- and
- summing the first image and the second difference image to an output image,
- wherein n is a positive integer.
Dependencies are inferred from the claim text.