JP3901359B2 - 電子透かし方法、署名画像埋め込み装置、及び記録媒体 - Google Patents

電子透かし方法、署名画像埋め込み装置、及び記録媒体 Download PDF

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JP3901359B2
JP3901359B2 JP27205198A JP27205198A JP3901359B2 JP 3901359 B2 JP3901359 B2 JP 3901359B2 JP 27205198 A JP27205198 A JP 27205198A JP 27205198 A JP27205198 A JP 27205198A JP 3901359 B2 JP3901359 B2 JP 3901359B2
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image
signature
embedding
bit string
region
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JP2000101822A (ja
JP2000101822A5 (enExample
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彰良 若谷
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
JP27205198A 1998-09-25 1998-09-25 電子透かし方法、署名画像埋め込み装置、及び記録媒体 Expired - Fee Related JP3901359B2 (ja)

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JP27205198A JP3901359B2 (ja) 1998-09-25 1998-09-25 電子透かし方法、署名画像埋め込み装置、及び記録媒体

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JP27205198A JP3901359B2 (ja) 1998-09-25 1998-09-25 電子透かし方法、署名画像埋め込み装置、及び記録媒体

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JP2000101822A JP2000101822A (ja) 2000-04-07
JP2000101822A5 JP2000101822A5 (enExample) 2005-11-17
JP3901359B2 true JP3901359B2 (ja) 2007-04-04

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005104552A1 (ja) 2004-04-23 2005-11-03 Sumitomo Electric Industries, Ltd. 動画像データの符号化方法、復号化方法、これらを実行する端末装置、及び双方向対話型システム
JP6163116B2 (ja) * 2014-02-04 2017-07-12 幸彦 天木 データ管理システム及びデータ管理方法
CN114882143B (zh) * 2022-05-16 2025-04-11 福建凯特信息安全技术有限公司 一种模拟真实签章的方法及终端

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