Augmented reality system and method of displaying an augmented reality image

Abstract

An augmented reality system includes a global navigation satellite system module adapted to output position data, an orientation measurement module adapted to output orientation data, an augmented reality module, at least one AR-client having a camera and a display. The augmented reality module is adapted to determine a position and orientation of the camera of the at least one AR-client based on the position data and orientation data, calculating screen positions of at least one AR object based on the position and orientation of the camera of the at least one AR-client to create at least one AR-overlay, transmitting the at least one AR overlay to at least one AR-client, and the AR-client is adapted to merging the at least one AR-overlay with a picture received from the camera of the at least one AR-client to provide an AR-image, and displaying the AR-image on the display.

1 . A system, comprising:
 a camera configured to capture an image surrounding the camera;   global navigation satellite system circuitry configured to obtain position data of a device;   inertial measurement circuitry configured to obtain orientation data of the device; and   processing circuitry configured to:
 identify a heading of the device based on the position data and the orientation data, 
 analyze the image and identify an earth fixed feature in the image, 
 track movement of the identified earth fixed feature, 
 adjusting the identified heading of the device by compensating for the movement of the earth fixed feature, and 
 output the adjusted heading of the device. 
   
     
     
         2 . The system according to  claim 1 , wherein
 the device is an augmented reality (AR) client.   
     
     
         3 . The system according to  claim 2 , wherein
 the processing circuitry is further configured to calculate a screen position of an AR object based on the position and the orientation of the AR client to create an AR overlay.   
     
     
         4 . The system according to  claim 3 , wherein
 the processing circuitry is further configured to transmit the AR overlay to the AR client.   
     
     
         5 . The system according to  claim 4 , wherein
 the AR client is configured to merge the AR overlay with a picture received from a camera of the AR client to provide an AR-image.   
     
     
         6 . The system according to  claim 1 , wherein
 the inertial measurement circuitry is a micro electro mechanical systems (MEMS) device.   
     
     
         7 . The system according to  claim 1 , wherein
 the camera is at least a night time camera and a daytime camera.   
     
     
         8 . The system according to  claim 5 , wherein
 the camera of the AR client is at least a night time camera and a daytime camera.   
     
     
         9 . A method, comprising:
 capturing, using a camera, an image surrounding the camera;   obtaining, using global navigation satellite system circuitry, position data of a device;   obtaining, using inertial measurement circuitry, orientation data of the device;   identifying, using processing circuitry, a heading of the device based on the position data and the orientation data;   analyzing, using the processing circuitry, the image and identify an earth fixed feature in the image;   tracking, using the processing circuitry, movement of the identified earth fixed feature;   adjusting, using the processing circuitry, the identified heading of the device by compensating for the movement of the earth fixed feature; and   outputting the adjusted heading of the device.