Method and system for improving an image characteristic based on image content
First Claim
Patent Images
1. A method of improving a characteristic of an image according to its material content, said method comprising the steps of:
- providing an image comprised of image pixels;
generating a belief map corresponding spatially to the image pixels, wherein the belief map includes belief values indicating the likelihood that respective pixels are representative of a particular material;
generating an improvement parameter from the belief values of the belief map, wherein the improvement parameter is proportional to the belief values and applied uniformly to the image pixels; and
using the improvement parameter to improve the characteristic of the image.
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Abstract
In a method of improving a characteristic of an image according to its material content, where the image is comprised of image pixels, a belief map corresponding spatially to the image pixels is generated. The belief map includes belief values indicating the likelihood that respective pixels are representative of a particular material, such as flesh. An improvement parameter is generated from the belief map, and the improvement parameter is applied uniformly to the image pixels to improve the characteristic, such as the sharpness, of the image.
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Citations
30 Claims
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1. A method of improving a characteristic of an image according to its material content, said method comprising the steps of:
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providing an image comprised of image pixels;
generating a belief map corresponding spatially to the image pixels, wherein the belief map includes belief values indicating the likelihood that respective pixels are representative of a particular material;
generating an improvement parameter from the belief values of the belief map, wherein the improvement parameter is proportional to the belief values and applied uniformly to the image pixels; and
using the improvement parameter to improve the characteristic of the image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 19)
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16. A method of improving the sharpness of an image according to its material content, said method comprising the steps of:
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providing an image comprised of image pixels;
generating a belief map corresponding spatially to the image pixels, wherein the belief map includes belief values indicating the likelihood that respective pixels are representative of a particular material;
generating a sharpening parameter from the belief map, wherein the sharpening parameter is applied uniformly to the image pixels; and
using the sharpening parameter to sharpen the image. - View Dependent Claims (17, 18)
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20. A system for improving a characteristic of an image according to its material content, said system comprising:
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an image generator providing an image comprised of image pixels;
a material detector generating a belief map corresponding spatially to the image pixels, wherein the belief map includes belief values indicating the likelihood that respective pixels are representative of a particular material;
a map analyzer generating an improvement parameter from the belief values of the belief map, wherein the improvement parameter is proportional to a characteristic of the belief values and applied uniformly to the image pixels; and
a processor using the improvement parameter to improve the characteristic of the image. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification