Patent · US Expired

Method and apparatus for generating an artificial shadow in a two dimensional color image

US5739819A · kind A · utility

46Cited by
13References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 5, 1996
Grant dateApr 14, 1998
Priority date
Expiry dateFeb 5, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T15/60
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for carrying out the method for generating an artificial shadow in a two dimensional color image. The method includes the steps of providing a shadow scenes library, each shadow scene representing at least one artificial shadow orientation with respect to an object forming the shadow, receiving a user input, the user selecting one of the shadow scenes and an object in the two dimensional image to be shadowed, and forming an artificial shadow to the object to be shadowed in accordance with the selected shadow scene.

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