diff options
Diffstat (limited to 'src/ipa/raspberrypi/controller/lux_status.h')
| -rw-r--r-- | src/ipa/raspberrypi/controller/lux_status.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/ipa/raspberrypi/controller/lux_status.h b/src/ipa/raspberrypi/controller/lux_status.h index 8ccfd933..c1134bec 100644 --- a/src/ipa/raspberrypi/controller/lux_status.h +++ b/src/ipa/raspberrypi/controller/lux_status.h @@ -6,14 +6,16 @@ */ #pragma once -// The "lux" algorithm looks at the (AGC) histogram statistics of the frame and -// estimates the current lux level of the scene. It does this by a simple ratio -// calculation comparing to a reference image that was taken in known conditions -// with known statistics and a properly measured lux level. There is a slight -// problem with aperture, in that it may be variable without the system knowing -// or being aware of it. In this case an external application may set a -// "current_aperture" value if it wishes, which would be used in place of the -// (presumably meaningless) value in the image metadata. +/* + * The "lux" algorithm looks at the (AGC) histogram statistics of the frame and + * estimates the current lux level of the scene. It does this by a simple ratio + * calculation comparing to a reference image that was taken in known conditions + * with known statistics and a properly measured lux level. There is a slight + * problem with aperture, in that it may be variable without the system knowing + * or being aware of it. In this case an external application may set a + * "current_aperture" value if it wishes, which would be used in place of the + * (presumably meaningless) value in the image metadata. + */ #ifdef __cplusplus extern "C" { |