Phantom images: the Phantoms module

class nnfbp.Phantoms.EightEllipses(size, rSeed=None)

Bases: nnfbp.Phantoms.Phantom

Object that creates 8Ellipses phantoms.

Parameters:

• size (int) – Number of rows/columns of the phantom. Only square phantoms are supported at the moment.
• rSeed (int) – Optional random seed to use.

createPhantom(img)

class nnfbp.Phantoms.Phantom(size, rSeed=None)

Bases: object

A base Phantom object to be used with nnfbp.DataSet.PhantomSet. Implementing objects should define a createPhantom(self,img) method, that creates a (random) phantom in img, a numpy.ndarray.

Parameters:

• size (int) – Number of rows/columns of the phantom. Only square phantoms are supported at the moment.
• rSeed (int) – Optional random seed to use.

clipCircle(img)

Zeroes elements outside circle.

get()

Return a random phantom image.

setRandomSeed(seed)

class nnfbp.Phantoms.ThreeShape(size, rSeed=None)

Bases: nnfbp.Phantoms.Phantom

Object that creates ThreeShape phantoms.

Parameters:

• size (int) – Number of rows/columns of the phantom. Only square phantoms are supported at the moment.
• rSeed (int) – Optional random seed to use.

createPhantom(img)