# Multi-camera OpenCV project. camera indices change

**URL:** <https://forum.opencv.org/t/multi-camera-opencv-project-camera-indices-change/24231>\
**Category:** Python\
**Created:** [November 26, 2025, 5:44am UTC](https://forum.opencv.org/t/multi-camera-opencv-project-camera-indices-change/24231 "2025-11-26T05:44:58Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![debug03](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.opencv.org/debug03/32/13961_2.png) [@debug03](https://forum.opencv.org/u/debug03)\
**Post date:** [November 26, 2025, 5:44am UTC](https://forum.opencv.org/t/multi-camera-opencv-project-camera-indices-change/24231/1 "2025-11-26T05:44:58Z")

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“I am using six USB cameras for a multi-camera OpenCV project. Each time I reconnect or reboot the system, the camera indices change, and even the USB serial mappings are inconsistent. How can I reliably maintain a fixed and correct camera order for proper alignment in OpenCV?”