Pre-processed information embedding system
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United States of America Patent
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Aug 25, 2015
Grant Date -
Dec 4, 2014
app pub date -
Jun 2, 2014
filing date -
May 28, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and devices are provided for reducing perceptible artifacts in a host content when the host contend is embedded with watermarks. In one method, a first segment of a host content that includes a first logical value is obtained. A second segment of the host content that includes a second logical embedded therein is also obtained. The second logical value is different from the first logical value, and the second segment is adjacent to the first segment of the host content. The host content at a boundary location of the first and the second segments is modified according to a transition function to suppress transitions in the host content at the boundary location caused by the different logical values embedded in the first and the second segments of the host content.
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International Classification(s)
- H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION
- G06T:IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G10L:SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- G11B:INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BET....
- H04K:SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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