LUMINANCE CORRECTION DEVICE, INSPECTION DEVICE, METHOD FOR CORRECTING LUMINANCE, AND LUMINANCE CORRECTION PROGRAM

• Main Authors: MATSUGI ITARU, ADACHI TORU, KANEHARA DAIKI
• Format: Patent
• Language: English; Japanese
• Published: 09.09.2021
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

To provide a luminance correction device, an inspection device, and a method for correcting a luminance which correct the luminance of an image on the basis of the average value of the luminances of two images to compare and a standard deviation.SOLUTION: A luminance correction device 130 of the present invention includes: a first acquisition unit 131 for acquiring a first average value of the luminance in a first image region including correction pixels in the first image pixel and acquiring a first standard deviation; a second acquisition unit 132 for acquiring a second average value of the luminance in a second image region corresponding to the first image region, in the second image to compare with the first image, and acquiring a second standard deviation; and a correction unit 133 for correcting the luminance of the correction pixels on the basis of the first average value, the first standard deviation, the second average value, and the second standard deviation.SELECTED DRAWING: Figure 3 【課題】比較する２つの画像の輝度の平均値と標準偏差とに基づいて、画像の輝度を補正する輝度補正装置、検査装置、及び輝度補正方法を提供する。【解決手段】本発明に係る輝度補正装置１３０は、第１画像内の補正画素について、補正画素を含む第１の画像領域の輝度の第１の平均値及び第１の標準偏差を取得する第１取得部１３１と、前記第１画像と比較する第２画像において、前記第１の画像領域に対応する第２の画像領域の輝度の第２の平均値及び第２の標準偏差を取得する第２取得部１３２と、前記補正画素の輝度を、前記第１の平均値、前記第１の標準偏差、前記第２の平均値、及び前記第２の標準偏差に基づいて補正する補正部１３３と、を備える。【選択図】図３