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
Uni-directional transient voltage suppressor (TVS)
Plate
Wild card auto completion
Pattern identification apparatus, control method and program thereof
Method of manufacturing semiconductor device and semiconductor device
Method and apparatus for allocating erasure coded data to disk storage
Decrementing settings for a range of power caps when a power cap is exceeded
  Randomly Featured Patents
Preparation of tetrahydroquinolines and related compounds
Front face of a vehicle wheel
Embossed tissue
Portable batting practice machine
System and method for multimedia-to-video conversion to enhance real-time mobile video services
System for combined pool portfolio
Sheet film holder
Parallel cable bus with internal path length compensation
Furniture system
Network policy distribution