[Qgis-user] Raster

[William Reynolds]

I have a raster image I would like to assign a value to the 3 RGB bands
that are equal to 255.  I have several hundred raster images where the
image is overexposed (white) and band1=255, band2=255 and band3=255.

Is there a way to run a script that would assign a new value to each of the
three bands if the band1, band2 and band3 values = 255?

Bill
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