Affiliation:
1. Department of Fine Arts, General Graduate School, Konkuk University, Chungju 27478, Republic of Korea
2. Department of Formative Arts, Konkuk University, Chungju 27478, Republic of Korea
Abstract
In order to objectively and quantitatively diagnose the conservation status of painting cultural heritages, a digital image analysis program was used for the digital image of a Korean Buddhist painting. A technical method for diagnosing the conservation status by analyzing the color space of the Buddhist painting and calculating the shape information and damage area was suggested. To verify the applicability of the program, a standard color chart on various ground materials was produced. Color difference values of color information obtained using a color meter and a digital image analysis program were compared. Work efficiency, according to image resolution, was evaluated. It was possible to work efficiently with a size similar to that of an FHD image. Through the comparative evaluation of the individual deviation by the user, the accuracy and temporal advantages of the method using the digital image analysis program could be confirmed. As a result of comparing by color region extraction conditions, it was confirmed that the error range of the measured color information decreased as the 25 pixel diameter circle (average of circled regions of interest) size region and the number of measurements increased. Color space information was adjusted according to the characteristics of each damage type, and the shape of the damage was classified. In addition, the conservation status was evaluated by quantitatively calculating the area of damage with the Intensity Mean of the divided shape image.
Funder
National Research Institute of Cultural Heritage
Subject
Materials Science (miscellaneous),Archeology,Conservation
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