Patent ID: 11867510
Assignee: TRIMBLE INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A navigation system for vehicles and other moving bodies, comprising:
an inertial navigation unit including an inertial measurement unit (IMU) and an IMU dead reckoning module processing a set of measurements provided by the IMU to generate a first output, wherein the navigation system is positioned on a navigable body with a drive system, wherein the navigation system generates navigation data for use by the drive system to move the navigable body through a space, and wherein the first output includes a first velocity and a heading of the navigable body;
a vision-based navigation system including an image sensor sequentially capturing a pair of images of the space and further including a vision-based dead reckoning module processing the pair of images based on the heading to generate a second output including a second velocity of the navigable body; and
a processor with an integration module processing the first and second outputs to generate the navigation data,
wherein the navigation data includes the first velocity or a first position calculated based on the first velocity during a time period while the vision-based navigation system is generating the second output at the end of which the first velocity is modified based on the second velocity.