White patch algorithm


### Assume maximum R, G, B values are a good estimate of the white point
find brightest pixel would be white

![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2F7b7347a2-56f4-4418-a8b0-c5ea5919c315%2FUntitled.png?table=block&id=c65555d5-f5fd-4c93-b142-6737a5e3b851&cache=v2)







