Exposure at startup on RT1062

OpenMV Products
1

Hello,
We have an application with IA and have an exposure problem.
Depending on the image below the camera at startup, the exposure at working time is different.
I have programmed:

sensor.set_framesize(sensor.QVGA)
sensor.set_pixformat(sensor.RGB565)
sensor.set_auto_whitebal(False, rgb_gain_db=(62.71649, 60.20714, 63.79094))
sensor.set_auto_gain(False)
sensor.set_auto_exposure(False)
sensor.skip_frames(time=1000)

I remember the thread: Sensor fixed gain/exposure not working
But this is from August 2020.
Is there something new about it?

2

Hi, that’s for a different image sensor.

You need to set the target exposure you want when you disable auto exposure:

sensor.set_auto_gain(False, gain_db=xxxxxx)
sensor.set_auto_exposure(False, exposure_us=xxxxxx)

Otherwise, the camera sensor will have just picked a value.