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Patent Searching and Data


Title:
DIGITAL IMAGE WATERMARKING METHOD
Document Type and Number:
WIPO Patent Application WO2000070605
Kind Code:
A3
Abstract:
A digital image watermarking method is provided. The digital image watermarking method includes the steps of combining host image data sets and signature image data sets by a predetermined method for combining the sets to be linearly independent, and generating a watermarked image and a key from the combined image. A signature image embedded in a combined image is similar to the combined image in view of existence and durability.

Inventors:
SHIN HYUN DOO (KR)
Application Number:
PCT/KR2000/000476
Publication Date:
April 05, 2001
Filing Date:
May 16, 2000
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04N7/08; G06T1/00; G11B20/00; H04N1/387; H04N5/913; H04N7/081; H04N7/26; (IPC1-7): G11B20/10
Foreign References:
JPH1165444A1999-03-05
JPH1165440A1999-03-05
JPH11239129A1999-08-31
JPH11341268A1999-12-10
Other References:
See also references of EP 1196913A4
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