Vehicle Localization System Switching for Map Data Deficiencies

The patent implements a multi-functional localization system that can operate in multiple modes depending on the environment. The system switches between a first localization system (using 3D map data and camera images) for areas with sufficient features, and a second localization system (using sensor data and odometry) for areas with insufficient features. This universal approach ensures accurate positioning across diverse environments including both feature-rich and feature-poor areas.

The patent employs dynamic switching between different localization systems based on real-time assessment of map data sufficiency. The controller evaluates whether sufficient features are available in the 3D map data and dynamically activates the appropriate localization system. This dynamic adaptation allows the system to maintain positioning accuracy when transitioning between areas with different feature densities.

The patent divides the localization system into two distinct subsystems: a first localization system that relies on 3D map data and camera images, and a second localization system that uses sensor data and odometry methods. Each subsystem is optimized for specific operating conditions. The controller segments the overall localization task by selecting which subsystem to activate based on the availability of sufficient map features, thereby maintaining reliability without requiring both systems to operate simultaneously.

The controller acts as an intermediary that manages the switching between the first and second localization systems. It evaluates the sufficiency of map features and determines which localization system should be active at any given time. This intermediary component coordinates the operation of multiple subsystems, maintaining system reliability while managing complexity through centralized control logic.