local_contrast_2D_plot

pyspeckle.pyspeckle.local_contrast_2D_plot(x, kernel)[source]

Create a graph showing local and global spatial contrast.

The kernel is an N x N array that describes the region over which contrast should be calculated. For example, np.ones((5,5)) would represent a 5x5 square.

Parameters

  • x – speckle pattern for which contrast is to be calculated

  • kernel – small region over which contrast is to be calculated

Returns

nothing