Method to detect watermark resistant to resizing and translation

United States of America Patent

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Sep 21, 2004
Grant Date
Sep 12, 2002
app pub date
Mar 8, 2001
filing date
Mar 8, 2001

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Abstract

A method of detecting a block-based watermark is provided. The method detects the location of the watermark within a frame of content data regardless of whether the watermark has been shifted or resized.

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Patent Owner	Address
SONY CORPORATION	1-7-1 KONAN MINATO-KU TOKYO 108-0075
SONY ELECTRONICS INC	1 SONY DRIVE PARK RIDGE NJ 07656

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G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....

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Inventor Name	Address	# of filed Patents	Total Citations
Wendt, Peter David	Mahwah, NJ	3	62

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Method to detect watermark resistant to resizing and translation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

09802244

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PATENT NO	6795565
APP PUB NO	20020126870A1
SERIAL NO	09802244
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
September 21, 2004	US,6795565,B2 US6795565B2	GRANTED PATENT AS SECOND PUBLICATION
September 12, 2002	US,20020126870,A1 US20020126870A1	FIRST PUBLISHED PATENT APPLICATION

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09802244

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