DEVICE AND METHOD FOR EVALUATION

• Main Authors: MINEGISHI NATSUKO, AKAZAWA TAKASHI, KIMURA TAKENOBU, NAKANE YOSHIKI, OKAMURA KEI, MORIMOTO HIROSHI
• Format: Patent
• Language: English; Japanese
• Published: 17.12.2020
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

To provide a device and a method for evaluation which can automatically and precisely detect the image clarity of a print image.SOLUTION: The evaluation device of the present invention is for evaluating the image clarity of a print image, and includes: an object to be projected on the surface of a print image to be a measurement target surface of a recording medium; an illumination unit for projecting the object on the measurement target surface; an imaging unit for imaging the measurement target surface, on which the object is projected; and an evaluation unit for digitizing the degree of the image clarity and using the degree as an evaluation value on the basis of a distribution of the parameter related to the brightness of image data obtained by the imaging unit.SELECTED DRAWING: Figure 3 【課題】印刷画像の写像性を自動で検知でき、かつ、印刷画像の写像性を正確に評価することが可能な評価装置および評価方法を提供する。【解決手段】評価装置は、印刷画像の写像性を評価する評価装置であって、記録媒体の被測定面となる印刷画像表面に投影させる被写体と、被写体を被測定面に投影するための照明部と、被写体が投影された被測定面を撮像する撮像部と、撮像部によって撮像された画像データの明るさに関するパラメーターの分布に基づいて、写像性の程度を数値化して写像性の評価値とする評価部と、を備える。【選択図】図３