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Data processing apparatus and method and storage medium

Assignee: Canon Inc
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Filing: 1999-01-28
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Granted: 2002-08-13
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Expires: 2019-01-28
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Abstract

Abstract It is an object of this invention to efficiently embed digital watermark information in the above image or audio data. In order to achieve this object, there is provided a data processing apparatus comprising input means for inputting digital data including at least one of image data and audio data, transforming means for transforming a data format of the digital data, compression means for compressing the digital data whose data format has been transformed by the transforming means, and embedding means for embedding digital watermark information in the digital data whose data format has been transformed by the transforming means, wherein the apparatus includes a plurality of image processing modes, compresses the digital data by using the transforming means and the compression means in a first mode, and embeds digital watermark information in the digital data by using the transforming means and the embedding means in a second mode.

Inventors

  • 👤 Junichi Hayashi
  • 👤 Keiichi Iwamura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 18:07
CPC Classifications
H; H04; H04N; H04N19/00; H04N19/46; H04N19/467; G; G06; G06T; G06T1/00; G06T1/0021; G06T1/0028; G06T1/0035; H04N1/00; H04N1/32; H04N1/32101; H04N1/32144; H04N1/32149; H04N1/32154; H04N1/3216; H04N1/32165; H04N1/3217; H04N1/32187; H04N1/32267; H04N1/32277; G06T2201/00; G06T2201/005; G06T2201/0052; H04N2201/00; H04N2201/32; H04N2201/3201; H04N2201/3225; H04N2201/3233; H04N2201/3269; H04N2201/327; H04N2201/328

Claims Analysis

Total Claims: 22
Claim 1
Independent Claim 243 words
A data processing apparatus comprising: input means for inputting digital data including at least one of image data and audio data; transforming means for transforming a data format of the digital data; compression means for compressing the digital data whose data format has been transformed by said transforming means; embedding means for embedding digital watermark information in the digital data whose data format has been transformed by said transforming means; first switching means for selectively outputting the digital data outputted from said transforming means to said embedding means or said compression means, said first switching means being connected after said transforming means and before said embedding means and said compression means; and second switching means for selectively outputting the digital data outputted from said embedding means to said compression means or an another destination, said second switching means being connected after said embedding means and before said compression means, wherein said apparatus includes a plurality of image processing modes, compresses the digital data by using said transforming means and said compression means in a first mode, and embeds digital watermark information in the digital data by using said transforming means and said embedding means in a second mode, and wherein said first switching means and said second switching means execute switching between the modes, the compressing is not executed on the digital data in the second mode, and the digital watermark information is not embedded in the digital data in the first mode.
Claim 2
Dependent Claim 243 words
A data processing apparatus comprising: input means for inputting digital data including at least one of image data and audio data; transforming means for transforming a data format of the digital data; compression means for compressing the digital data whose data format has been transformed by said transforming means; embedding means for embedding digital watermark information in the digital data whose data format has been transformed by said transforming means; first switching means for selectively outputting the digital data outputted from said transforming means to said embedding means or said compression means, said first switching means being connected after said transforming means and before said embedding means and said compression means; and second switching means for selectively outputting the digital data outputted from said embedding means to said compression means or an another destination, said second switching means being connected after said embedding means and before said compression means, wherein said apparatus includes a plurality of image processing modes, compresses the digital data by using said transforming means and said compression means in a first mode, and embeds digital watermark information in the digital data by using said transforming means and said embedding means in a second mode, and wherein said first switching means and said second switching means execute switching between the modes, the compressing is not executed on the digital data in the second mode, and the digital watermark information is not embedded in the digital data in the first mode.
Claim 3
Dependent Claim 21 words
An apparatus according to claim 1 , wherein said transforming means, said compression means, and said embedding means are inseparably integrated.
Claim 4
Dependent Claim 26 words
An apparatus according to claim 1 , wherein said transforming means, said compression means, and said embedding means are inseparably arranged in one image processing board.
Claim 5
Dependent Claim 24 words
An apparatus according to claim 1 , wherein transforming of the data format includes any one of wavelet transforming, cosine transforming, and Fourier transforming.
Claim 6
Dependent Claim 16 words
An apparatus according to claim 1 , wherein transforming of the data format includes predictive coding.
Claim 7
Dependent Claim 54 words
An apparatus according to claim 1 , wherein the plurality of image processing modes further include a third mode, and both embedding of digital watermark information in the digital data and compression of the digital data are executed by using said transforming mean, said embedding means, and said compression means in the third mode.
Claim 8
Dependent Claim 41 words
An apparatus according to claim 1 , wherein said compression means includes quantization means for quantizing the digital data whose data format has been transformed by said transforming means and entropy coding means for performing entropy coding of the quantized data.
Claim 9
Dependent Claim 26 words
An apparatus according to claim 1 , wherein at least some of said transforming means, said compression means, and said embedding means constitute a media processor.
Claim 10
Dependent Claim 15 words
An apparatus according to claim 1 , wherein the image data is motion image data.
Claim 11
Dependent Claim 174 words
A data processing apparatus, comprising: input means for inputting digital data including at least one of image data and audio data; transforming means for transforming a data format of the digital data; compression means for compressing the digital data whose data format has been transformed by said transforming means; embedding means for embedding digital watermark information in the digital data whose data format has been transformed by said transforming means; and selection means for selecting whether to embed digital watermark information in the digital data or compress the digital data first, wherein said apparatus includes a plurality of image processing modes, compresses the digital data by using said transforming means and said compression means in a first mode, and embeds digital watermark information in the digital data by using said transforming means and said embedding means in a second mode, and both embedding of digital watermark information in the digital data and compression of the digital data are executed by said transforming means, said embedding means, and said compression means in a third mode.
Claim 12
Dependent Claim 174 words
A data processing apparatus, comprising: input means for inputting digital data including at least one of image data and audio data; transforming means for transforming a data format of the digital data; compression means for compressing the digital data whose data format has been transformed by said transforming means; embedding means for embedding digital watermark information in the digital data whose data format has been transformed by said transforming means; and selection means for selecting whether to embed digital watermark information in the digital data or compress the digital data first, wherein said apparatus includes a plurality of image processing modes, compresses the digital data by using said transforming means and said compression means in a first mode, and embeds digital watermark information in the digital data by using said transforming means and said embedding means in a second mode, and both embedding of digital watermark information in the digital data and compression of the digital data are executed by said transforming means, said embedding means, and said compression means in a third mode.
Claim 13
Dependent Claim 138 words
A data processing apparatus comprising: input means for inputting digital data including at least one of image data and audio data; transforming means for transforming a data format of the digital data; compression means for compressing the digital data whose data format has been transformed by said transforming means; and embedding means for embedding digital watermark information in the digital data whose data format has been transformed by said transforming means, wherein said apparatus includes a plurality of image processing modes, compresses the digital data whose data format has been transformed by said transforming means, and then embeds digital watermark information in the compressed data in a first mode, and embeds digital watermark information in the digital data whose data format has been transformed by said transforming means, and then compresses the digital data in the second mode.
Claim 14
Dependent Claim 138 words
A data processing apparatus comprising: input means for inputting digital data including at least one of image data and audio data; transforming means for transforming a data format of the digital data; compression means for compressing the digital data whose data format has been transformed by said transforming means; and embedding means for embedding digital watermark information in the digital data whose data format has been transformed by said transforming means, wherein said apparatus includes a plurality of image processing modes, compresses the digital data whose data format has been transformed by said transforming means, and then embeds digital watermark information in the compressed data in a first mode, and embeds digital watermark information in the digital data whose data format has been transformed by said transforming means, and then compresses the digital data in the second mode.
Claim 15
Dependent Claim 24 words
An apparatus according to claim 11 , wherein transforming of the data format includes any one of wavelet transforming, cosine transforming, and Fourier transforming.
Claim 16
Dependent Claim 41 words
An apparatus according to claim 11 , wherein said compression means includes quantization means for quantizing the digital data whose data format has been transformed by said transforming means, and entropy coding means for performing entropy coding of the quantized data.
Claim 17
Dependent Claim 26 words
An apparatus. according to claim 11 , wherein at least some of said transforming means, said compression means, and said embedding means constitute a media processor.
Claim 18
Dependent Claim 15 words
An apparatus according to claim 11 , wherein the image data is motion image data.
Claim 19
Dependent Claim 113 words
A data processing method comprising the steps of: inputting digital data including at least one of image data and audio data; transforming a data format of the digital data; compressing the digital data whose data format has been transformed; and embedding digital watermark information in the digital data whose data format has been transformed, wherein the method includes a plurality of image processing modes, compresses the digital data whose data format has been transformed, and then embeds digital watermark information in the compressed data in a first mode, and embeds digital watermark information in the digital data whose data format has been transformed, and then compresses the digital data in the second mode.
Claim 20
Dependent Claim 113 words
A data processing method comprising the steps of: inputting digital data including at least one of image data and audio data; transforming a data format of the digital data; compressing the digital data whose data format has been transformed; and embedding digital watermark information in the digital data whose data format has been transformed, wherein the method includes a plurality of image processing modes, compresses the digital data whose data format has been transformed, and then embeds digital watermark information in the compressed data in a first mode, and embeds digital watermark information in the digital data whose data format has been transformed, and then compresses the digital data in the second mode.
Claim 21
Dependent Claim 116 words
A storage medium storing data processing method comprising the steps of: inputting digital data including at least one of image data and audio data; transforming a data format of the digital data; compressing the digital data whose data format has been transformed; and embedding digital watermark information in the digital data whose data format has been transformed, wherein the method includes a plurality of image processing modes, compresses the digital data whose data format has been transformed, and then embeds digital watermark information in the compressed data in a first mode, and embeds digital watermark information in the digital data whose data format has been transformed, and then compresses the digital data in the second mode.
Claim 22
Dependent Claim 116 words
A storage medium storing data processing method comprising the steps of: inputting digital data including at least one of image data and audio data; transforming a data format of the digital data; compressing the digital data whose data format has been transformed; and embedding digital watermark information in the digital data whose data format has been transformed, wherein the method includes a plurality of image processing modes, compresses the digital data whose data format has been transformed, and then embeds digital watermark information in the compressed data in a first mode, and embeds digital watermark information in the digital data whose data format has been transformed, and then compresses the digital data in the second mode.

References Cited (Backward Citations)

EP0096219A2 Cited
DE4430864A1 Cited
WO1997043736A1 Cited
US6061793A Cited
US6226387B1 Cited
US5809139A Cited
US6037984A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2005-08-12 2006-02-11 2006-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2009-08-12 2010-02-11 2010-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2013-08-12 2014-02-11 2014-08-13 $7700.00 Window Closed / Lapsed

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