Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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1/00
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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H04N1/32
Circuits or arrangements for control or supervision between transmitter and receiver; or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
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H04N1/32101
Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
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H04N1/32144
embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
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H04N1/32149
Methods relating to embedding, encoding, decoding, detection or retrieval operations
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H04N1/32331
Fragile embedding or watermarking
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