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New Image Processing Method for Halftone Pictures.

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Title: New Image Processing Method for Halftone Pictures.
Authors: Ibaraki, Hisashi1, Kobayashi, Makoto1, Ochi, Hiroshi1
Source: Electronics & Communications in Japan, Part 1: Communications. Jul88, Vol. 71 Issue 7, p87-99. 13p.
Subjects: Digital image processing, Halftone process, Fax transmission, Fax machines, Digitally printed materials, Color photography
Geographic Terms: Japan
Abstract: With the expanding use of facsimile, there arose an increasing demand to transmit efficiently the manuscripts containing gray scale and color pictures such as photographs. Most of the gray scale and color pictures used at present are printed materials utilizing the screen pattern, such as the halftone picture in a newspaper. Problems in the facsimile transmission of the halftone picture are the degradation of coding efficiency and picture quality by moire in dithering. This paper describes the BSET method, which is to solve those problems, realizing a highly efficient and high-quality facsimile transmission of the halftone pictures. The major results are as follows: (1) the half-tone picture can be encoded with a high quality and with the same order of coding efficiency as the continuous-tone picture. The compression ratio of 2 to 4 can be achieved, compared with the coding efficiency of the halftone picture without this processing; (2) the halftone picture can be dithered with a high quality without the appearance of a moire pattern. [ABSTRACT FROM AUTHOR]
Copyright of Electronics & Communications in Japan, Part 1: Communications is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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PubType: Academic Journal
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  Data: New Image Processing Method for Halftone Pictures.
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  Data: <searchLink fieldCode="JN" term="%22Electronics+%26+Communications+in+Japan%2C+Part+1%3A+Communications%22">Electronics & Communications in Japan, Part 1: Communications</searchLink>. Jul88, Vol. 71 Issue 7, p87-99. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Digital+image+processing%22">Digital image processing</searchLink><br /><searchLink fieldCode="DE" term="%22Halftone+process%22">Halftone process</searchLink><br /><searchLink fieldCode="DE" term="%22Fax+transmission%22">Fax transmission</searchLink><br /><searchLink fieldCode="DE" term="%22Fax+machines%22">Fax machines</searchLink><br /><searchLink fieldCode="DE" term="%22Digitally+printed+materials%22">Digitally printed materials</searchLink><br /><searchLink fieldCode="DE" term="%22Color+photography%22">Color photography</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Japan%22">Japan</searchLink>
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  Label: Abstract
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  Data: With the expanding use of facsimile, there arose an increasing demand to transmit efficiently the manuscripts containing gray scale and color pictures such as photographs. Most of the gray scale and color pictures used at present are printed materials utilizing the screen pattern, such as the halftone picture in a newspaper. Problems in the facsimile transmission of the halftone picture are the degradation of coding efficiency and picture quality by moire in dithering. This paper describes the BSET method, which is to solve those problems, realizing a highly efficient and high-quality facsimile transmission of the halftone pictures. The major results are as follows: (1) the half-tone picture can be encoded with a high quality and with the same order of coding efficiency as the continuous-tone picture. The compression ratio of 2 to 4 can be achieved, compared with the coding efficiency of the halftone picture without this processing; (2) the halftone picture can be dithered with a high quality without the appearance of a moire pattern. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Electronics & Communications in Japan, Part 1: Communications is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 13
        StartPage: 87
    Subjects:
      – SubjectFull: Digital image processing
        Type: general
      – SubjectFull: Halftone process
        Type: general
      – SubjectFull: Fax transmission
        Type: general
      – SubjectFull: Fax machines
        Type: general
      – SubjectFull: Digitally printed materials
        Type: general
      – SubjectFull: Color photography
        Type: general
      – SubjectFull: Japan
        Type: general
    Titles:
      – TitleFull: New Image Processing Method for Halftone Pictures.
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            NameFull: Ibaraki, Hisashi
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            NameFull: Kobayashi, Makoto
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            NameFull: Ochi, Hiroshi
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          Dates:
            – D: 01
              M: 07
              Text: Jul88
              Type: published
              Y: 1988
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              Value: 87566621
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              Value: 71
            – Type: issue
              Value: 7
          Titles:
            – TitleFull: Electronics & Communications in Japan, Part 1: Communications
              Type: main
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