Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Electric vehicle charging station parking meter systems
Method for exchanging data concerning an electronic transaction
Field emission cathode device and field emission display using the same
Method and apparatus for re-routing calls in a packet network during failures
PC secure video path
Monitoring apparatus for monitoring communication configurations of client devices
Generating compiled code that indicates register liveness
  Randomly Featured Patents
2,4-Dihydroxy-4-pentadecyl benzophenone and compositions containing the same
Current biased phase locked loop
Poinsettia plant named `Festival Red`
Di-bicyclo[3.1.1] and [2.2.1]heptyl and di-bicyclo[3.1.1] and [2.2.1]heptenyl ketones
Method and arrangement for web information monitoring
P2 Polyphase code expander-compressor
Device for the filtering of electromagnetic waves propagating in a rotational symmetrical waveguide, with inserted rectangular filtering waveguide sections
Automatic frequency control for a wireless communication system with multiple subcarriers
Method and apparatus for distortion of audio signals and emulation of vacuum tube amplifiers
Fuel control apparatus