Method and mechanism and the computer program and the computer program product in order to inspect the printed matter

摘要

As for this invention, the similar printed matter, from as for details it is related to the method and the device in order to inspect the similar printing being completed paper which is transported by the conveyer. Because of this object, in reading stage, inspection image is recorded with the plural points on the printed matter by the digital camera. Inspection image or the part of that which is recorded is analyzed in regard to feature information, the inspection image which possesses the most remarkable feature information is selected as reference image. Because of the object that, you inspect the similar printed matter, the similar succeeding printed matter is inspected by in addition comparing this with the image data of reference image by recording at least one image of the position where it corresponds to reference image. This kind of inspection with in order the input in order to supply the digital camera in order to record the inspection image of the printed matter and the lighting device and the position signal in order to irradiate the printed matter and to control the digital camera and the lighting device and is executed the control appraisal unit in order to analyze the image data which is formed by the digital camera by the device which includes. This invention furthermore is related to the computer program and the computer program product.