tomopy.misc.phantom

Module for generating synthetic phantoms.

Functions:

baboon([size, dtype])

Load test baboon image array.

barbara([size, dtype])

Load test Barbara image array.

cameraman([size, dtype])

Load test cameraman image array.

checkerboard([size, dtype])

Load test checkerboard image array.

lena([size, dtype])

Load test Lena image array.

peppers([size, dtype])

Load test peppers image array.

phantom(size, params[, dtype])

Generate a cube of given size using a list of ellipsoid parameters.

shepp2d([size, dtype])

Load test Shepp-Logan image array.

shepp3d([size, dtype])

Load 3D Shepp-Logan image array.
tomopy.misc.phantom.baboon(size=512, dtype='float32')[source]

Load test baboon image array.

Parameters

  • size (int or tuple of int, optional) – Size of the output image.

  • dtype (str, optional) – The desired data-type for the array.

Returns

ndarray – Output 3D test image.

tomopy.misc.phantom.barbara(size=512, dtype='float32')[source]

Load test Barbara image array.

Parameters

  • size (int or tuple of int, optional) – Size of the output image.

  • dtype (str, optional) – The desired data-type for the array.

Returns

ndarray – Output 3D test image.

tomopy.misc.phantom.cameraman(size=512, dtype='float32')[source]

Load test cameraman image array.

Parameters

  • size (int or tuple of int, optional) – Size of the output image.

  • dtype (str, optional) – The desired data-type for the array.

Returns

ndarray – Output 3D test image.

tomopy.misc.phantom.checkerboard(size=512, dtype='float32')[source]

Load test checkerboard image array.

Parameters

  • size (int or tuple of int, optional) – Size of the output image.

  • dtype (str, optional) – The desired data-type for the array.

Returns

ndarray – Output 3D test image.

tomopy.misc.phantom.lena(size=512, dtype='float32')[source]

Load test Lena image array.

Parameters

  • size (int or tuple of int, optional) – Size of the output image.

  • dtype (str, optional) – The desired data-type for the array.

Returns

ndarray – Output 3D test image.

tomopy.misc.phantom.peppers(size=512, dtype='float32')[source]

Load test peppers image array.

Parameters

  • size (int or tuple of int, optional) – Size of the output image.

  • dtype (str, optional) – The desired data-type for the array.

Returns

ndarray – Output 3D test image.

tomopy.misc.phantom.phantom(size, params, dtype='float32')[source]

Generate a cube of given size using a list of ellipsoid parameters.

Parameters

  • size (tuple of int) – Size of the output cube.

  • params (list of dict) – List of dictionaries with the parameters defining the ellipsoids to include in the cube.

  • dtype (str, optional) – Data type of the output ndarray.

Returns

ndarray – 3D object filled with the specified ellipsoids.

tomopy.misc.phantom.shepp2d(size=512, dtype='float32')[source]

Load test Shepp-Logan image array.

Parameters

  • size (int or tuple of int, optional) – Size of the output image.

  • dtype (str, optional) – The desired data-type for the array.

Returns

ndarray – Output 3D test image.

tomopy.misc.phantom.shepp3d(size=128, dtype='float32')[source]

Load 3D Shepp-Logan image array.

Parameters

  • size (int or tuple, optional) – Size of the 3D data.

  • dtype (str, optional) – The desired data-type for the array.

Returns

ndarray – Output 3D test image.