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A Method of Embedding Binary Data into JPEG Bitstreams.

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Název: A Method of Embedding Binary Data into JPEG Bitstreams.
Autoři: Kobayashi, Hiroyuki1, Noguchi, Yoshihiro2, Kiya, Hitoshi3
Zdroj: Systems & Computers in Japan. 1/1/2002, Vol. 33 Issue 1, p18-26. 9p.
Témata: Embedded computer systems, Computers, JPEG (Image coding standard), Image compression standards, Digital image processing, Digital electronics
Abstrakt: This paper considers irreversible coding by JPEG, and proposes a method of embedding binary data into the image. The proposed method embeds the information into the AC coefficients after quantization. The information is embedded in the AC coefficients of higher frequency, and by setting the quantization table corresponding to these AC coefficients to small values, visual image degradation is limited. In the proposed method, the embedded information is completely recovered in decoding, leaving little effect on the image after recovering the information. The coded sequence can be decoded using a conventional JPEG decoder, even in an environment where the information is not to be recovered or cannot be recovered. The method is designed so that image degradation is also limited in such a case. © 2001 Scripta Technica, Syst Comp Jpn, 33(1): 18–26, 2002 [ABSTRACT FROM AUTHOR]
Databáze: Supplemental Index
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: A Method of Embedding Binary Data into JPEG Bitstreams.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Kobayashi%2C+Hiroyuki%22">Kobayashi, Hiroyuki</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Noguchi%2C+Yoshihiro%22">Noguchi, Yoshihiro</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Kiya%2C+Hitoshi%22">Kiya, Hitoshi</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Systems+%26+Computers+in+Japan%22">Systems & Computers in Japan</searchLink>. 1/1/2002, Vol. 33 Issue 1, p18-26. 9p.
– Name: Subject
  Label: Subject Terms
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  Data: <searchLink fieldCode="DE" term="%22Embedded+computer+systems%22">Embedded computer systems</searchLink><br /><searchLink fieldCode="DE" term="%22Computers%22">Computers</searchLink><br /><searchLink fieldCode="DE" term="%22JPEG+%28Image+coding+standard%29%22">JPEG (Image coding standard)</searchLink><br /><searchLink fieldCode="DE" term="%22Image+compression+standards%22">Image compression standards</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+image+processing%22">Digital image processing</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+electronics%22">Digital electronics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper considers irreversible coding by JPEG, and proposes a method of embedding binary data into the image. The proposed method embeds the information into the AC coefficients after quantization. The information is embedded in the AC coefficients of higher frequency, and by setting the quantization table corresponding to these AC coefficients to small values, visual image degradation is limited. In the proposed method, the embedded information is completely recovered in decoding, leaving little effect on the image after recovering the information. The coded sequence can be decoded using a conventional JPEG decoder, even in an environment where the information is not to be recovered or cannot be recovered. The method is designed so that image degradation is also limited in such a case. © 2001 Scripta Technica, Syst Comp Jpn, 33(1): 18–26, 2002 [ABSTRACT FROM AUTHOR]
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      – Type: doi
        Value: 10.1002/scj.1096
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      – Code: eng
        Text: English
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        PageCount: 9
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      – SubjectFull: Embedded computer systems
        Type: general
      – SubjectFull: Computers
        Type: general
      – SubjectFull: JPEG (Image coding standard)
        Type: general
      – SubjectFull: Image compression standards
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      – SubjectFull: Digital image processing
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      – SubjectFull: Digital electronics
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      – TitleFull: A Method of Embedding Binary Data into JPEG Bitstreams.
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            NameFull: Kobayashi, Hiroyuki
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            NameFull: Noguchi, Yoshihiro
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            NameFull: Kiya, Hitoshi
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            – D: 01
              M: 01
              Text: 1/1/2002
              Type: published
              Y: 2002
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              Value: 33
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            – TitleFull: Systems & Computers in Japan
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