書のサーモグラフィによる一評価 : 光パルス励起法による書の温度のダイナミック解析法

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A scientific evaluation to several oriental handwritting "SHO" was performed using a thermography. Probably this kind of experiment was first trial. Usually, a part of "SHO" was treated as an art. A trial test was performed for articles written by an authority ("SHO" s were written in 29, 19, 8 years and one year before by Mr. Tanchu Terayama). The test was performed as follows; after a "SYO" was excited with a single light pulse (10 seconds excitation) from a halogen lamp, carbon of a character absorbs the light energy and the temperature goes up. About ten measureing points were set in one character. After the light pulse excitation was stopped, the temperature of the points goes down. These temperature change can measured non-distractively and without touch by the thermography. In this temperature experiment, we found the characters of temperature decay were different in each measureing points. We understood these differences came from the thickness due to Chinese ink and the thermal conductivity. From these temperature experiments, decay times of the half height in each measuring points were scattered especially in old "SHO" and were not scattered in his recent articles written in 8 years and last year before. By his comments of Mr. Terayama, good "SHO" s do not scattered so much and also older samples had large scattering value. Probably, recent articles were written under a strong Qi (concentrated) condition. Therefore our trial method was useful to distinguish good "SHO" in Mr. Terayama articles. This method must be tested in his many works and more researches are needed for cheching the availability.
人体科学会の論文
1994-05-30

書のサーモグラフィによる一評価 : 光パルス励起法による書の温度のダイナミック解析法

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