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    How does enabling electronic image stabilization (EIS) on CPP14 cameras affect privacy masks?

    Question

     

    How does enabling electronic image stabilization (EIS) on CPP14 cameras affect privacy masks?

     

    Answer

     

    As soon as the "electronic image stabilization" (EIS) is set to on, the image section changes slightly, which changes the placement of the privacy mask.

    CentralSupport_0-1733903644527.png

     

    Please note that this is part of the Restrictions/ Known Issues section as mentioned in the Release notes of CPP14_FW_9.40.0132 and CPP14_FW_9.11.0009:

    • With EIS enabled, as privacy masks are applied to the sensor image, privacy masks may jump depending on the corrections induced by EIS and not exactly match with the drawn area.
    • EIS performance can be suboptimal after enabling EIS in 25/30 fps HDR modes, or after switching sensor mode towards HDR 25/30 fps while EIS is on. EIS performance recovers fully after a reboot. It is advisable to either use EIS in 50/60 fps or reboot after activating EIS for 25/30 fps HDR.
    • With EIS enabled on perfectly stable cameras, the image might appear artificially shaking due to gyro sensor values varying when at edge, creating unnecessarily high bitrate. It is recommended to use EIS only when camera is mounted unstable.
    • Focus area can still be drawn but zoomed display of the selection is not functional since it required MPAX which is not supported anymore by browsers.
    • With EIS enabled, privacy masks might not match the drawn area depending on the EIS state since the masks are applied before image stabilization. It might be advised to slightly enlarge the privacy mask areas to ensure privacy.
    • With EIS enabled, the virtual movement of privacy masks and the resulting unveiling of background around the masks might cause false motion detection.

     

    Version history
    Last update:
    2 weeks ago
    Updated by:
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