Fig. 2 | Scientific Reports

Fig. 2

From: A higher shadow ratio of the living environment on the remote sensing digital image is possibly protective for adolescent myopia

Fig. 2

The histogram of the color image shown in Fig. 1. The dark gray color with RGB Value of (68, 68, 68) approximates the shadow area, which composes 21.2% (the frequency of this color is displayed on the top right) of the whole image. (Satellite map from Amap Software Co., Ltd, (2023) No.4047, Beijing, China. Image source: DigitalGlobe&spaceview. URL link: https://www.amap.com/).

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