Image communicating apparatus

Details Image communicating apparatus Image communicating apparatus

H - Electricity

04

N

H04N 1/41 (2006.01) H04N 1/44 (2006.01)

Patent

CA 2160078

An image communicating apparatus transmits hierarchy images. A transmitter converts a digital image successively into a plurality of hierarchy images respectively having resolutions which differ stepwisely. Data necessary to succes- sively form higher hierarchy images from the lowest resolution image and data of the lowest resolution are outputted. At least one low hierarchy image among outputs of a transmission informa- tion former is enciphered. The transmission information including the enciphered image is transmitted to a predetermined transmission line in the order of from the lowest to the highest or from the highest to the lowest resolution images. A receiver reproduces the hierarchy images from image information obtained by deciphering a cipher and the transmission information.

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