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
(4937
Horizontal cable manager
Managing multiple web services on a single device
Radiation imaging device
Circuit for compressing data and a processor employing same
Request routing based on class
Pharmaceutical and diagnostic compositions for use in the treatment and diagnosis of neurodegenerative diseases or amyloid diseases
  Randomly Featured Patents
Shift control method for automatic transmission and apparatus thereof
Closure cap for a container filled with medicinal fluid, and container having a closure cap
Method and apparatus for creating a lineage of a data field in a data flow system
Dynamically-tunable memory controller
Discharge lamp lighting apparatus
Local area network
Bag
Apparatus for subdividing a shingled stream of paper sheets
Flip-chip bonding apparatus
Retainer assembly for conduit connection