f_AutoWhiteBalance
Balances the image by stretching the color channels separately. The process 'trims' the color histogram removing sections of low color use at the top and bottom of the range then stretching the remaining colors to fill the space
-p (number[%]) Threshold for discarding infrequently used colors (default 0.05%)
-b (number) Number of buckets to use for histogram (default 256)
-a Also stretch alpha channel
| cloud | road | |
|---|---|---|
| Default |  |
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| -p 0.5% |  |
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| -b 8 |  |
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