H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 1/387 (2006.01) G03G 15/01 (2006.01) G06K 9/62 (2006.01) G06T 7/00 (2006.01) H04N 1/00 (2006.01)
Patent
CA 2090753
A discriminating circuit discriminates the degree of similarity between an image represented by an input image signal and a predetermined specific image. A CPU outputs a pattern-level selecting signal based upon the results of discrimination performed by the discriminating circuit. A pattern adding circuit modulates an internally stored specific pattern in accordance with an added-color designating signal and pattern-level selecting signal produced by the CPU, and adds the modulated specific pattern to the image signal. As a result, a pattern specific to the apparatus is added in a reliably identifiable manner to an image output having a high probability of containing the specific original. In the case of an image output having a low probability of containing the specific original, the specific pattern is added to this image output in such a manner that the picture quality thereof is not diminished by the pattern.
Canon Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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