Patent ID: 6546129
Filing Date: 2003-04-08
Classification: G07D,H04N

Abstract:
An image processing apparatus which is connectable to an external apparatus being an output destination of image data, said image processing apparatus comprising:input means for inputting the image data representing an image; generation means for generating first additional information capable of specifying the external apparatus; confirmation means for confirming that the first additional information generated by said generation means corresponds to second additional information obtained from the external apparatus; addition means for adding the first additional information capable of specifying the external apparatus and third additional information capable of specifying said image processing apparatus, to the image data which is input by said input means and output to the external apparatus, in a state that the first and the third additional information are difficult for human eyes to perceive; and output means for outputting the image data to which the first and the third additional information were added by said addition means, to the external apparatus, wherein said addition means repeatedly adds the first additional information capable of specifying the external apparatus and the third additional information capable of specifying said image processing apparatus, each at a predetermined period.