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authorJean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>2021-10-07 17:32:27 +0200
committerJean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>2021-10-22 07:29:53 +0200
commit9469fededd0981784733c6cc3bb7690e4865bed4 (patch)
tree20140748ae3e1e96f718ae0aa20b0785b1824e2b /LICENSES/CC0-1.0.txt
parent7c9c1a2a9299a08e4f6ab09edb4b97f2ae50183d (diff)
ipa: ipu3: awb: Use saturation under 90%
The AWB grey world algorithm tries to find a grey value and it can't do it on over-exposed images. To exclude those, the saturation ratio is used for each cell, and the cell is included only if this ratio is 0. Now that we have changed the threshold, more cells may be considered as partially saturated and excluded, preventing the algorithm from running efficiently. Change that behaviour, and consider 90% as a good enough ratio. Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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