clearex.filter.kernels

Functions

gaussian_kernel(sigma)	Create a 1D Gaussian kernel.
make_3d_structured_element(radius[, shape])	Create a 3D structuring element.
second_derivative_gaussian_kernel(sigma)	Create a 1D second derivative Gaussian kernel.

clearex.filter.kernels.make_3d_structured_element(radius, shape='sphere')

Create a 3D structuring element.

Parameters:

• radius (int) – The radius of the structuring element.

• shape (str) – The shape of structuring element to create. Options are ‘sphere’.

Returns:

The 3D structuring element.

Return type:

np.ndarray

clearex.filter.kernels.gaussian_kernel(sigma)

Create a 1D Gaussian kernel.

Parameters:

sigma (float) – The standard deviation of the Gaussian kernel.

Returns:

The 1D Gaussian kernel.

Return type:

np.ndarray

clearex.filter.kernels.second_derivative_gaussian_kernel(sigma)

Create a 1D second derivative Gaussian kernel.

Parameters:

sigma (float) – The standard deviation of the second derivative Gaussian kernel.

Returns:

The 1D second derivative Gaussian kernel.

Return type:

np.ndarray