Sony patents image processing that keeps brightness consistent during resolution changes
Sony describes a system that adjusts the brightness distribution of an image before changing its resolution to ensure the final picture looks correct. It calculates a brightness parameter, transforms the image to match a reference pattern, changes the resolution, and then reverses the transformation to restore the original brightness feel.
In the filing’s own words
Provided is an image processing system that calculates a first parameter indicating brightness of a first processed frame on the basis of luminance distribution of pixels contained in the first processed frame, performs, for the first processed frame, distribution transformation that transforms the luminance distribution of the pixels contained in the first processed frame into luminance distribution close to that of pixels contained in a learning input frame on the basis of the first parameter to generate a second processed frame, inputs the second processed frame to a resolution conversion section to generate a third processed frame having an estimated number of pixels each of which has a pixel value having a linear relation with luminance, and performs inverse distribution transformation for the third processed frame on the basis of the first parameter to generate a fourth processed frame.
What exactly they claim (claim 1)
1. An image processing system comprising: a processor; and computer-readable media storing instructions which, when executed by the processor, cause the image processing system to perform operations comprising: acquiring a first processed frame that has an input number of pixels each of which has a pixel value having a linear relation with luminance, calculating a first parameter indicating brightness of the first processed frame on a basis of luminance distribution of the pixels contained in the first processed frame, performing, for the first processed frame, distribution transformation that transforms the luminance distribution of the pixels contained in the first processed frame into luminance distribution close to that of the pixels contained in a learning input frame on a basis of the first parameter to generate a second processed frame, inputting the second processed frame to a resolution conversion section to generate a third processed frame having an estimated number of pixels each of which has a pixel value having a linear relation with luminance, and performing, for the third processed frame, inverse distribution transformation that is an inverse process of the distribution transformation and transforms luminance distribution of the pixels contained in the third processed frame into luminance distribution close to that of the pixels contained in the first processed frame on the basis of the first parameter to generate a fourth processed frame.
Facts
- Company
- Sony (Sony Interactive Entertainment Inc.)
- Official title
- IMAGE PROCESSING SYSTEM, IMAGE PROCESSING METHOD, AND INFORMATION STORAGE MEDIUM
- Publication number
- US20260303982A1
- Application number
- 19578596
- Filed
- Mar 25, 2026
- Published
- Oct 1, 2026
- Inventors
- 4
- Claims
- 11
Classified under
H04N 23/76 Electricity & electronicsG06T 3/40 Physics & computingG06V 10/60 Physics & computingMore from Sony in AI & software
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.