Abstract: A maze-solving method includes converting extracted channel surface-shaped data into channel boundary lines; extending extension lines from two end points at a start point and at a terminal point, to two sides outside a maze, and constructing, outside the maze, a virtual connection line I and a virtual connection line II connecting base points on the extension lines of the start point and the terminal point; respectively enclosing a polygon I and a polygon II by means of the virtual connection line I and the channel boundary lines and by means of the virtual connection line II and the channel boundary lines, in which paths connecting the start point and the terminal point, between the polygon I and the polygon II are alternative solution paths for the maze; and selecting an alternative solution path with the shortest length as the optimal solution path for the maze.

Abstract: Provided is a maze solving method based on a line-surface spatial relation, comprises the following steps: A. extracting channel surface-shaped data; B. converting the channel surface-shaped data into channel boundary lines; C. respectively extending extension lines from the two endpoints of the start point along the two outer sides of the maze, respectively extending extension lines from the two endpoints of the terminal point along the two outer sides of the maze, a base point is provided on the extension line, at the outside of the maze, constructing a virtual connecting line I which connects the base point of the start point and the base point of the terminal point, constructing a virtual connecting line II which connects the base point of the start point and the base point of the terminal point; D.

Abstract: An radio frequency identification (RFID) tag parking system to control a gate to allow a patron in a vehicle to enter and exit a parking facility without stopping, the system comprising: a first antenna for reading an RFID tag in a first area contained within a lane 215 associated with an entrance or an exit of the facility; a second antenna for reading the RFID tag in a second area, separate from the first area, contained within the lane 215 associated with the entrance or exit; an RFID reader 250 connected to the first and second antennae to read an identification (ID) associated with the RFID tag when the RFID tag passes through one of the first and second areas; and a processing device to determine that the read ID is valid and may access the facility and to control the gate to open. The system of claim 1 wherein the first and second antennae are sequentially activated as a vehicle enters the first area and the second area, respectively.