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Pico zero + MIA1321 - not working in outdoor
Posted: 2026-02-11 9:00
by sekil
Hi.
Please fix mia1321 IQ file - autoexposure not working at all - outdoor images - all white. IQ file need proper calibration settings.
Re: Pico zero + MIA1321 - not working in outdoor
Posted: 2026-02-11 9:58
by Crocodile
The iqfiles of MIA1321 do not have the AEC function enabled. The exposure and gain need to be set manually.
Re: Pico zero + MIA1321 - not working in outdoor
Posted: 2026-02-11 10:29
by sekil
So, it turns out the camera isn't a working option—I have no idea how to do this. I could probably write on the website that the cameras have issues with auto exposure.
Re: Pico zero + MIA1321 - not working in outdoor
Posted: 2026-02-11 13:45
by Crocodile
The vendor did not provide us with any IQfiles for the MIA1321. The IQfiles we added are only to ensure its BLC function works properly.
The MIA1321 is not an image sensor designed for security applications. Most of its use cases are detection tasks under fixed lighting conditions. Exposure and gain are typically adjusted manually using commands such as:
Code: Select all
v4l2-ctl -d /dev/v4l-subdev2 --set-ctrl 'exposure=XXX'
v4l2-ctl -d /dev/v4l-subdev2 --set-ctrl 'analogue_gain=XXX'
If you need a sensor that supports full 3A algorithms, you should choose a color camera module intended for the security/surveillance field.
Re: Pico zero + MIA1321 - not working in outdoor
Posted: 2026-02-12 5:14
by sekil
Crocodile wrote: ↑2026-02-11 13:45
The vendor did not provide us with any IQfiles for the MIA1321. The IQfiles we added are only to ensure its BLC function works properly.
The MIA1321 is not an image sensor designed for security applications. Most of its use cases are detection tasks under fixed lighting conditions. Exposure and gain are typically adjusted manually using commands such as:
Code: Select all
v4l2-ctl -d /dev/v4l-subdev2 --set-ctrl 'exposure=XXX'
v4l2-ctl -d /dev/v4l-subdev2 --set-ctrl 'analogue_gain=XXX'
If you need a sensor that supports full 3A algorithms, you should choose a color camera module intended for the security/surveillance field.
Driver for this sensor have bug - with minimal exposure and minimal gain - outdoor image have overexposed. Please provide datasheet for this sensor.
Re: Pico zero + MIA1321 - not working in outdoor
Posted: 2026-02-12 6:27
by Crocodile
The sensor manufacturer only provides the driver program and specification documents. The datasheet was not made available to us as publicly accessible materials, and we do not have any relevant public license.
Re: Pico zero + MIA1321 - not working in outdoor
Posted: 2026-02-12 7:36
by sekil
standard situation - why can't things be done properly, instead of pushing semi-functional devices with no way to fix anything.
Re: Pico zero + MIA1321 - not working in outdoor
Posted: 2026-02-12 8:44
by Crocodile
Based on the current situation, the MIA1321 does not meet your functional requirements.
It is designed primarily for high-frame-rate detection tasks under stable indoor lighting conditions, and handling high dynamic range outdoor scenes is not its strength.
For outdoor applications, color cameras with proper 3A algorithm support generally provide better image quality and cost performance. We would recommend selecting a module that better matches your application requirements.
As stated in the after-sales policy, if the product does not meet your expectations, you may contact the seller for a return or refund. It would be more appropriate to select a suitable module rather than evaluating this module based on scenarios outside its intended design scope.