Patent · US Active

Adaptive compression of multi-level images

US8351694B2 · kind B2 · utility

1Cited by
11References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 2011
Grant dateJan 8, 2013
Priority date
Expiry dateJun 9, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/94
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The invention facilitates adaptive compression of multi-level images, such as captured digital images of a whiteboard, etc., encoding a bitstream comprising a color image component and a black-and-white image component. Either or both of a color and a black-and-white image can be output to a user based on user desires, receiving device capabilities, etc.

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