Patent · US Expired

Image processing apparatus capable of removing an edge portion from a multi-level color signal based on a binary color signal

US5917956A · kind A · utility

12Cited by
18References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 1997
Grant dateJun 29, 1999
Priority date
Expiry dateAug 7, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/30
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image processing apparatus comprising binarization means for converting a multi-level color signal into binary form, removal means for removing edge component from the multi-level color signal, based on a binary color signal from said binarization means, and encoder means for encoding the binary color signal from said binarization means and the multi-level color signal having edge component removed with said removal means.

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