Patent · US Expired

Method for robust determination of visible points of a controllable display within a camera view

US6731330B2 · kind B2 · utility

4Cited by
8References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 30, 2001
Grant dateMay 4, 2004
Priority date
Expiry dateFeb 21, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/0425
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A system and method of locating the display area of a user interactive, computer controlled display including a computing device for generating image data corresponding to a plurality of selected images, a display area for displaying the plurality of selected images, an image capture device for capturing a plurality of images within its capture area each captured image including one of the selected images and a display area locator for locating the display area within the capture area by deriving constructive and destructive feedback data from image data corresponding to the plurality of captured images.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.