ウォータマーク付加方法及びそのプログラム、ウォータマーク除去方法及びそのプログラム、ウォータマーク付加装置及びそのプログラム、ウォータマーク除去装置、カメラ/レコーダ並びにシステム

Title:

Document Type and Number:

Japanese Patent JP4484409

Kind Code:

B2

Abstract:

Material is represented by transform coefficients represented by digital numbers. A method of perceptibly watermarking the material comprises the steps of: changing representations of the said numbers according to an invertible algorithm without changing the number of bits in the said numbers; and encoding the changed n bit numbers to effect compression encoding of the material.

More Like This:

JP2010136230	DOCUMENT IMAGE OUTPUT PROCESSING APPARATUS, AND PROGRAM
JP2003060896	PICTURE PROCESSOR, PICTURE PROCESSING METHOD, PROGRAM FOR MAKING COMPUTER CONDUCT THE METHOD AND COMPUTER READABLE RECODING MEDIUM WITH RECORDED PROGRAM THEREIN
JP2000113180	USER INTERFACE METHOD

Inventors:

Perry Jason Charles
Kating Stefan Mark

Application Number:

JP2001375048A

Publication Date:

June 16, 2010

Filing Date:

December 07, 2001

Export Citation:

Click for automatic bibliography generation Help

Assignee:

Sony United Kingdom Limited

International Classes:

H04N1/387; G06T1/00; G10L19/018; G10L25/51; H04N7/08; H04N7/081; H04N19/60

Domestic Patent References:

JP2000101827A
JP10164549A

Attorney, Agent or Firm:

Junichi Omori
Ori Akira

Previous Patent: 光学活性ムスコールの製造方法

Next Patent: メマプシン２のインヒビターおよびその使用