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Progress in Earth and Planetary Science
Fig. 1 | Progress in Earth and Planetary Science

Fig. 1

From: Segmentation of dust storm areas on Mars images using principal component analysis and neural network

Fig. 1

Examples of images and ground truth of dust and cloud distributions used in this study. a An example of a pre-processed image in the red band. The albedo patterns on the surface and topography (e.g., craters) are recognized visually in the bottom of the image although they are weaker than the dust storm seen in the center of the image. b The subtracted image produced from a. c The ground truth of the distributions of dust storms and clouds seen in a and b. We prepare the ground truth subjectively based on the red and blue band images

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