| 摘要 |
PROBLEM TO BE SOLVED: To more shorten the time required for determining the measurement position of an image on a display screen.SOLUTION: A reference image whose whole area comprises a white image, a first comparison image configured by arranging images of three colors, red (R), green (G), and blue (B) side by side horizontally, and a second comparison image configured by arranging the images of three colors, RGB side by side vertically are displayed on a display screen 31 by a display device 30. In a partial region of the display screen 31, the reference image, the first comparison image and the second comparison image, displayed on the display screen 31 are measured by a colorimeter 100, the color of the first comparison image and the color of the second comparison image are specified from the results of reading the reference image, the first comparison image and the second comparison image by the colorimeter 100, and the measurement position of the colorimeter 100 on the display screen 31 is determined based on a combination of the color of the first comparison image and the color of the second comparison image. |
