def structureTensorEigenvalues(image, innerScale, outerScale, out = None):
'''Compute the eigenvalues of the structure tensor at the given scales
for a scalar or multi-channel image or volume.
Calls :func:`structureTensor` and :func:`tensorEigenvalues`.
'''
return filters.tensorEigenvalues(filters.structureTensor(image, innerScale, outerScale), out=out)
def hessianOfGaussianEigenvalues(image, scale, out = None):
'''Compute the eigenvalues of the Hessian of Gaussian at the given scale
for a scalar image or volume.
Calls :func:`hessianOfGaussian` and :func:`tensorEigenvalues`.
'''
return filters.tensorEigenvalues(filters.hessianOfGaussian(image, scale), out=out)
def structureTensorEigenvalues(image, innerScale, outerScale, out=None,
sigma_d=0.0, step_size=1.0, window_size=0.0, roi=None):
'''Compute the eigenvalues of the structure tensor at the given scales
for a scalar or multi-channel image or volume.
Calls :func:`structureTensor` and :func:`tensorEigenvalues`.
'''
st = filters.structureTensor(image, innerScale, outerScale,
sigma_d=sigma_d, step_size=step_size,
window_size=window_size, roi=roi)
return filters.tensorEigenvalues(st, out=out)
def hessianOfGaussianEigenvalues(image, scale, out=None,
sigma_d=0.0, step_size=1.0, window_size=0.0, roi=None):
'''Compute the eigenvalues of the Hessian of Gaussian at the given scale
for a scalar image or volume.
Calls :func:`hessianOfGaussian` and :func:`tensorEigenvalues`.
'''
hessian = filters.hessianOfGaussian(image, scale,
sigma_d=sigma_d, step_size=step_size,
window_size=window_size, roi=roi)
return filters.tensorEigenvalues(hessian, out=out)