Fitzpatrick, Cella, Harper & Scinto
Color image processing apparatus and method
 An image processing apparatus decrypts encrypted image data and synchronously outputs predetermined information with the decrypted image data such that the predetermined information is not visually recognizable on an image reproduced from the decrypted image data. The apparatus outputs the decrypted image data and the synchronously output predetermined information to an image forming unit. 
Canon Kabushika Kaisha
H H H H H
H04N H04N H04N H04N H04N
inventional inventional inventional inventional inventional
Yasumichi Mitsuru Nao
Suzuki Kurita Nagashima