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Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06T
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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2201/00
General purpose image data processing
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G06T2201/005
Image watermarking
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G06T2201/0064
for copy protection or copy management, e.g. CGMS, copy only once, one-time copy
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