# Gemini E Depth Camera flickering

**URL:** <https://forum.opencv.org/t/gemini-e-depth-camera-flickering/15964>\
**Category:** C++\
**Created:** [December 24, 2023, 11:32pm UTC](https://forum.opencv.org/t/gemini-e-depth-camera-flickering/15964 "2023-12-24T23:32:34Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![crackwitz](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.opencv.org/crackwitz/32/14_2.png) [@crackwitz](https://forum.opencv.org/u/crackwitz)\
**Post date:** [December 25, 2023, 11:19am UTC](https://forum.opencv.org/t/gemini-e-depth-camera-flickering/15964/2 "2023-12-25T11:19:42Z")

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isn’t this a continuation of

> [@Powerline frequency problem](https://forum.opencv.org/t/powerline-frequency-problem/15641):
>
> [[Orbbec Gemini E Camera Problem] ](https://www.youtube.com/watch?v=XykItn8NA2k) Black horizontal lines appear on orbbec gemini e camera. I also tried changing the power\_line\_frequency value, but it didn’t work. What values should I modify? Below are the camera properties obtained using v4l2-ctl. brightness 0x00980900 (int) : min=-64 max=64 step=1 default=0 value=64 contrast 0x00980901 (int) : min=0 max=64 step=1 default=32 value=5 saturation 0x00980902 (…

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