General-purpose images

The title of each image indicates the name of the function.

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import matplotlib.pyplot as plt
import matplotlib

from skimage import data

matplotlib.rcParams['font.size'] = 18

images = ('astronaut',
          'binary_blobs',
          'brick',
          'colorwheel',
          'camera',
          'checkerboard',
          'chelsea',
          'clock',
          'coffee',
          'coins',
          'grass',
          'gravel',
          'horse',
          'logo',
          'page',
          'text',
          'rocket',
          )


for name in images:
    caller = getattr(data, name)
    image = caller()
    plt.figure()
    plt.title(name)
    if image.ndim == 2:
        plt.imshow(image, cmap=plt.cm.gray)
    else:
        plt.imshow(image)

plt.show()