Multi-level Error Diffusion Method Considering Suppression of Diffused Error

• Ochi Hiroshi

  College of Engineering, Nihon University

• Tanaka Hirotaka

  College of Engineering, Nihon University

• Tetsutani Nobuji

  School of Science and Technology for Future Life, Tokyo Denki University

Bibliographic Information

Other Title

• 拡散誤差の抑圧による多値誤差拡散法
• カクサン ゴサ ノ ヨクアツ ニ ヨル タチ ゴサ カクサンホウ

Abstract

The error diffusion method is used well for two-level dithered picture because of its high-quality processing compared with other dithering methods. It can be expanded to multi-level processing. However, the error diffusion method using multi-level processing causes significant deterioration of picture quality, when an input pixel level is near to a quantization level. In this paper, we propose a new error diffusion method to solve the above problem, which technique is to set the diffused error value with an upper limit level under the condition of the diffused error increase. The proposed method is found to be effective for image quality. In addition, we show that usual two-level error diffusion methods have a characteristic of edge emphasis.

Journal

• The Journal of the Institute of Image Electronics Engineers of Japan

  The Journal of the Institute of Image Electronics Engineers of Japan 41 (4), 379-384, 2012

  The Institute of Image Electronics Engineers of Japan

Keywords

• error diffusion method
• dithering method
• multi-level
• edge emphasis

Details

• CRID: 1390001204611123712
• NII Article ID: 130004870590
• NII Book ID: AA12563298
• ISSN: 2186716X
• ISSN: 13480316
• ISSN: 02859831
• DOI: 10.11371/iieej.41.379
• NDL BIB ID: 023885884
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I023885884
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed