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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국사진학회 AURA AURA 제37호
발행연도
2016.1
수록면
81 - 90 (10page)

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초록· 키워드

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The purpose of this study is to draw out types of colors and the color adjustment values t o enhance portrait photographic images. It is achieved by analysing individual preference an d sensitivity changes of test subjects when low latitude facial colors were controlled. Sampl es has been made with a portrait picture with an average color and brightness, which is va ried by six digital colors, red, green, blue, cyan, magenta and yellow. And the properties of each color has been also gradated. Two experiments were done with the samples. First ex periment was a JDN test, which is to find out whether and to what extent test subjects ca n distinguish the color gradation when the samples were presented. Second experiment was to analyze changes in sensitivity, which is done by subjective image quality tests with diffe red colors and gradation samples. The sensitivity changes were recorded with given descrip tive adjectives. The results of experiments showed that heavy variations in color and grada tion leads to decrease in preference. And tolerated range of the variation to maintain the sa me preference with the original image was narrow. Heavy variation may increase artistic v alue, however such varied images are not preferred since the variation lowers harmony, aes thetic impression as well as capability of the image. Therefore color and gradation change with a portrait images is not recommended and must be applied cautiously.

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