Digital image attribute plane compression

US9363416B1 · kind B1 · utility

Assignee

• KYOCERA Document Solutions Inc. · JP

Inventors

• Michael M. Chang · Redondo Beach, US
• Kenneth A. Schmidt · El Segundo, US
• Dongpei Su · El Segundo, US
• Sheng Li · El Segundo, US
• Kendrick Wong · El Segundo, US
• Larry Lubman · El Segundo, US
• Alfred Abkarian · El Segundo, US
• Stephen L. Schafer · Irvine, US

Key dates

• Filing date: Jan 30, 2015
• Grant date: Jun 7, 2016
• Expiry date: Jan 30, 2035

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04N2201/0094
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

An example embodiment may involve obtaining an m×n pixel cell from an input image. Each of the m×n pixels in the m×n pixel cell may be associated with at least one color value. An m×n attribute cell may be determined, elements of which may be associated in a one-to-one fashion with respective pixels in the m×n pixel cell. The m×n pixel cell may be compressed in a lossy fashion, and the m×n attribute cell may be compressed in a lossless fashion. Compression of the m×n pixel cell may be based on at least part of the m×n attribute cell. An interleaved representation of the compressed m×n pixel cell and the compressed m×n attribute cell may be written to an output medium.