test_Zhang_Suen_ported

test_Zhang_Suen_ported.py

def test_Zhang_Suen_ported():
    I = np.random.randn(10,10)
    yield Zhang_Suen_ported, I

Traceback.txt

$ nosetests test_calculateFVD.py:test_Zhang_Suen_ported
E
======================================================================
ERROR: test_calculateFVD.test_Zhang_Suen_ported(array([[ 0.47107946, -0.97497669,  1.07764687, -0.04557485, -1.05282552,
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\Users\mrbli_000\Desktop\Python\Anaconda\lib\site-packages\nose\case.py", line 198, in runTest
    self.test(*self.arg)
  File "<decorator-gen-2>", line 2, in Zhang_Suen_ported
  File "C:\Users\mrbli_000\Desktop\f0cl\edenis-confidential\testrepo\edenis-v4msti\tests\calculateFVD\rt_insert.py", line 8, in _wrapper
    return self.callback(wrapped, _args, _dargs, args, dargs)
  File "C:\Users\mrbli_000\Desktop\f0cl\edenis-confidential\testrepo\edenis-v4msti\tests\calculateFVD\test_calculateFVD.py", line 22, in callback
    mfunc_result = getattr(engine, mfunc_name)(*func_args)
  File "C:\Users\mrbli_000\Desktop\Python\Anaconda\lib\site-packages\oct2py\core.py", line 408, in octave_command
    return self._call(name, *args, **kwargs)
  File "C:\Users\mrbli_000\Desktop\Python\Anaconda\lib\site-packages\oct2py\core.py", line 515, in _call
    data = self.eval(cmd, temp_dir=temp_dir, **eval_kwargs)
  File "C:\Users\mrbli_000\Desktop\Python\Anaconda\lib\site-packages\oct2py\core.py", line 285, in eval
    post_call=post_call)
  File "C:\Users\mrbli_000\Desktop\Python\Anaconda\lib\site-packages\oct2py\core.py", line 859, in evaluate
    raise Oct2PyError(msg)
oct2py.utils.Oct2PyError: Oct2Py tried to run:
"""
load C:\Users\MRBLI_~1\AppData\Local\Temp\tmp7szdx883\writer.mat "A__"
[a__] = Zhang_Suen(A__);
save -v6 -mat-binary C:\Users\MRBLI_~1\AppData\Local\Temp\tmp7szdx883\reader.mat a__
"""
Octave returned:
subscript indices must be either positive integers less than 2^31 or logicals

----------------------------------------------------------------------
Ran 1 test in 0.229s

FAILED (errors=1)

Zhang_Suen.m

function out=Zhang_Suen(I); % Zhang-Suen method is used for binary image skeletonization 
luteven = makelut('Zhang_Suen_Even',3); % Create lookup table for odd and even iterations of the Zhang Suen method
lutodd = makelut('Zhang_Suen_Odd',3);
finish_condition = 0; % Set condition to stop iterations
N = 2;
last = I; % Initialize last as original image.  'Last' will then be passed onto 'previous'
previous = applylut(last,lutodd); % Run odd iteration of Zhang Suen method on 'last'
current = applylut(previous,luteven); % Run even interation of Zhang Suen method on 'previous'
while finish_condition == 0; % Iterate so long as finish condition stays at 0
    if all(current(:)==last(:)); % If current iteration is the same as the last...
        finish_condition = 1; % End iterations
    end
    N = N + 1; % Add 1 to N for each iteration
    last = previous; % Transfer 'previous' to last
    previous = current; % Transfer 'current' to previous
    if mod(N,2)==0 % mod(N,2) continually changes between 1 and 0 for each iteration.  This is used to change between using odd and even iterations of the Zhang Suen method
        current = applylut(current,luteven);
    else
        current = applylut(current,luteven);
    end
end
out = current; % Output is result of final interation.  Returns 'current' after no more changes occur

Zhang_Suen_ported.py

@mimic('Zhang_Suen')
def Zhang_Suen_ported(I) : # Zhang-Suen method is used for binary image skeletonization
    luteven = makelut_m('Zhang_Suen_Even',3) # Create lookup table for odd and even iterations of the Zhang Suen method
    lutodd = makelut_m('Zhang_Suen_Odd',3) #
    finish_condition = 0 # Set condition to stop iterations
    N = 2
    last = I # Initialize last as original image.  'Last' will then be passed onto 'previous'
    previous = applylut_m(last,lutodd) # Run odd iteration of Zhang Suen method on 'last'
    current = applylut_m(previous,luteven) # Run even interation of Zhang Suen method on 'previous'
    while finish_condition == 0: # Iterate so long as finish condition stays at 0
        if (current==last).all: # If current iteration is the same as the last...
            finish_condition = 1 # End iterations
        N = N + 1 # Add 1 to N for each iteration
        last = previous # Transfer 'previous' to last
        previous = current # Transfer 'current' to previous
        if (N%2 == 0):
            current = applylut_m(current, luteven) # *** there is a bug here!!!
        else:
            current = applylut_m(current, luteven) # *** there is a bug here!!! one of these should be using lutodd
    return current # Output is result of final interation.  Returns 'current' after no more changes occur