CN1148970C - 使用水印的数字图像编码/解码装置和方法 - Google Patents

使用水印的数字图像编码/解码装置和方法 Download PDF

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Publication number
CN1148970C
CN1148970C CNB991109651A CN99110965A CN1148970C CN 1148970 C CN1148970 C CN 1148970C CN B991109651 A CNB991109651 A CN B991109651A CN 99110965 A CN99110965 A CN 99110965A CN 1148970 C CN1148970 C CN 1148970C
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China
Prior art keywords
image
master image
coefficient
discrete wavelet
wavelet coefficient
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Expired - Fee Related
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CNB991109651A
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English (en)
Chinese (zh)
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CN1252676A (zh
Inventor
申铉�
申铉枓
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1252676A publication Critical patent/CN1252676A/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
CNB991109651A 1998-07-01 1999-07-01 使用水印的数字图像编码/解码装置和方法 Expired - Fee Related CN1148970C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9154098P 1998-07-01 1998-07-01
US60/091,540 1998-07-01

Publications (2)

Publication Number Publication Date
CN1252676A CN1252676A (zh) 2000-05-10
CN1148970C true CN1148970C (zh) 2004-05-05

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CNB991109651A Expired - Fee Related CN1148970C (zh) 1998-07-01 1999-07-01 使用水印的数字图像编码/解码装置和方法

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JP (1) JP3494923B2 (ko)
KR (1) KR100292359B1 (ko)
CN (1) CN1148970C (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100333163B1 (ko) * 1999-03-29 2002-04-18 최종욱 디지털 워터마킹 방법 및 장치
US6956903B2 (en) * 2001-05-29 2005-10-18 Intel Corporation Method and apparatus for three-dimensional wavelet transform
GB2408873A (en) * 2003-12-01 2005-06-08 Sony Uk Ltd Generating marked material by introducing code words
CN109344629B (zh) * 2018-09-19 2021-04-23 湖北工程学院 图像加密隐藏方法及装置、图像解密方法及装置

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Publication number Publication date
JP3494923B2 (ja) 2004-02-09
KR20000011332A (ko) 2000-02-25
KR100292359B1 (ko) 2001-06-01
JP2000101827A (ja) 2000-04-07
CN1252676A (zh) 2000-05-10

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