Navigation in complex indoor environments is often difficult, and many of the current navigation applications on the market are not yet mature enough for indoor use. To address this issue, this project developed an application based on Unity's ARCore extension for AR Foundation and Google Cloud Anchor Service, combined with the real-time database, to identify, record the location of key points indoors, and to provide self-localization, path planning and navigation functions for users. The application is divided into two sections: Administrator and User. In the administrator interface, the device camera scans the environment to record the posture of key points and the characteristics of the area where they are located, generates anchor points, and uploads them to the cloud platform database. In the user interface, the user can choose to download the data, after which the environmental features scanned by the camera will be matched with the anchor point features in the database, and the anchor point in the current environment will be identified and displayed on the screen for the purpose of self-localization, after the user selects the destination, the path planning algorithm will be invoked and the planned navigation route will be displayed on the screen.
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