Invention Grant
- Patent Title: Image watermarking systems and methods
- Patent Title (中): 图像水印系统和方法
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Application No.: US11388231Application Date: 2006-03-22
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Publication No.: US07756289B2Publication Date: 2010-07-13
- Inventor: Donald B. Curtis
- Applicant: Donald B. Curtis
- Applicant Address: US UT Provo
- Assignee: Ancestry.com Operations Inc.
- Current Assignee: Ancestry.com Operations Inc.
- Current Assignee Address: US UT Provo
- Agency: Townsend and Townsend and Crew LLP
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06K9/46

Abstract:
A method of determining a location for a watermark on an image having an array of pixels, each pixel having image information associated therewith includes determining a size for the watermark. The size has a pixel height and a pixel width. The method also includes calculating a region brightness value for each of a plurality of regions of the image. Each of the plurality of regions has a pixel height and a pixel width equal to the pixel height and the pixel width of the watermark. Each of the plurality of regions includes a plurality of pixels and the brightness value is representative of the image information associated with the plurality of pixels comprised by the region. The method also includes selecting one of the plurality of regions as the location for the watermark. The selection is based, at least in part, on the brightness value for the region.
Public/Granted literature
- US20070223779A1 Image watermarking systems and methods Public/Granted day:2007-09-27
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