Bacon & Thomas, PLLC
Route data compression method
A route data compression method to compress the recording points of a line of a route planning data by means of setting the values of predetermined distance, predetermined angle and predetermined number of compression points and then determining whether or not the distance between every two recording points is greater than the predetermined distance and whether or not the contained angle of the two link lines of every three recording points is greater than the predetermined angle. After determination of all recording points, the recording points are compressed. If the number of points after compression is greater than the predetermined number of compression points, increase the value of the predetermined distance, and then repeat the determination procedure. When the number of points after compression becomes smaller than the predetermined number of compression points, the compression is done. Thus, the amount of storage data that records the route is greatly reduced, saving data storage space and enhancing data transmission speed.
Globalsat Technology Corporation
G
G01C
inventional
Shih-Chieh
Ting