Resources Contact Us Home
Pointer light tracking method, program, and recording medium thereof

Image Number 10 for United States Patent #8049721.

A pointer light tracking method wherein all black image and white square images located at four corners of the all black image are projected on the display, the display on which the all black image and the white square images are displayed is shot by a camera, a domain corresponding to the white square image is extracted from the obtained image data, central coordinates (x, y) of the extracted domain are computed, and a parameter necessary in performing distortion correction by use of projection conversion for coordinate expressing the position of the pointer light on the display is computed from the computed central coordinates (x, y) and central coordinates (X, Y) of the white square image.

  Recently Added Patents
Method and apparatus for reducing and controlling highway congestion to save on fuel costs
Controller for machine tool and five-axis simultaneous control machine tool controlled thereby
Display screen with graphical user interface
Toothbrush holder
Memory cell and memory cell array using the same
Assigning runtime artifacts to software components
  Randomly Featured Patents
Multistatic concealed object detection
Method to etch chrome deposited on calcium fluoride object
Combined pill grater and drinking straw
Packaging of electronic devices
Process for making MgCl.sub.2 MgO with narrow granulometric distribution, catalytic components containing the same, process of using such supports to polymerize olefins, and resultant polyolef
Communication device, a method of operating a communication device and a communication system
Golf shoes with aligned traction members
Aluminum-base brazing alloy composite
Gear shift device for vehicles