bug in radon transform?

[Stéfan van der Walt]

On Wed, Apr 4, 2012 at 2:31 PM, Emmanuelle Gouillart
<emmanuelle.gouillart at nsup.org> wrote:
>        I have the impression that the center of rotation used for
> computing the radon transform (skimage.transform.radon) is not correct:

In [8]: tf.radon(z, theta=[0, 90])
Out[8]:
array([[ 0.,  0.],
       [ 0.,  0.],
       [ 0.,  1.],
       [ 0.,  0.],
       [ 0.,  0.],
       [ 0.,  0.],
       [ 1.,  0.],
       [ 0.,  0.],
       [ 0.,  0.],
       [ 0.,  0.]])

Hrm, you're right; that looks fishy.  I wonder if this has to do with
the padding that happens beforehand?  I don't have access to
MATLAB--does their "radon" give similar results?

Stéfan