Patent · US Expired

Hierarchical 2-D color compositing with blending mode and opacity controls at all levels

US7102651B1 · kind B1 · utility

21Cited by
20References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2000
Grant dateSep 5, 2006
Priority date
Expiry dateMay 2, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T15/503
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Methods and apparatus, including computer programs, for processing transparency attributes of digital graphics objects. The techniques result in the color compositing of an arbitrary structure of artwork elements defining the appearance of a page to produce a result color at any position on the page that is continuous with respect to all inputs.

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