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| author | Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> | 2022-02-24 12:33:46 +0100 |
|---|---|---|
| committer | Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> | 2022-03-28 12:31:37 +0200 |
| commit | 8917c9e7ba642285ae33a7b9cee9cb4a22c76482 (patch) | |
| tree | 6273e4804b8e75c7885f9c9857e8668c788b6beb /Documentation/guides/application-developer.rst | |
| parent | 88c69f88089ba7f9ec8c25aa9f084e1143ad9f29 (diff) | |
ipa: rkisp1: agc: Add a histogram-based gain
As for the IPU3, we can estimate the histogram of the luminance. The
RkISP1 can estimate multiple ones, the R, G and B ones, the Y only one
and a combination of RGB. The one we are interested by in AGC is the Y
histogram.
Use the hardware revision to determine the number of bins of the
produced histogram.
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Tested-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'Documentation/guides/application-developer.rst')
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