IMAGE PROCESSING METHOD AND SYSTEM FOR CORRECTING COLORS OF AN INPUT IMAGE REPRESENTING A SCENE ILLUMINATED BY MULTIPLE ILLUMINANTS
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United States of America Patent
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Apr 20, 2023
app pub date -
Oct 20, 2021
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Oct 20, 2021
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Abstract
The present disclosure relates to an image processing method for correcting colors in an input image representing a scene, the image processing method including: processing the input image with a machine learning model, wherein the machine learning model is previously trained to detect a predefined number N>1 of sources of light illuminating the scene and to generate N estimated illuminant images associated respectively to the N sources of light, wherein each estimated illuminant image includes an estimated color of the light emitted by the respective source of light and an estimated contribution image; generating a total illuminant image by using the N estimated illuminant images; and generating an output image by correcting the colors in the input image based on the total illuminant image.
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