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-rw-r--r--Wrappers/Python/demos/demo_cpu_regularisers.py2
-rw-r--r--Wrappers/Python/test/run_test.py102
2 files changed, 103 insertions, 1 deletions
diff --git a/Wrappers/Python/demos/demo_cpu_regularisers.py b/Wrappers/Python/demos/demo_cpu_regularisers.py
index 487bac7..50beee8 100644
--- a/Wrappers/Python/demos/demo_cpu_regularisers.py
+++ b/Wrappers/Python/demos/demo_cpu_regularisers.py
@@ -31,7 +31,7 @@ def printParametersToString(pars):
filename = os.path.join(".." , ".." , ".." , "data" ,"lena_gray_512.tif")
# read image
-Im = plt.imread(filename)
+Im = plt.imread(filename)
Im = np.asarray(Im, dtype='float32')
Im = Im/255
diff --git a/Wrappers/Python/test/run_test.py b/Wrappers/Python/test/run_test.py
new file mode 100644
index 0000000..883cdf2
--- /dev/null
+++ b/Wrappers/Python/test/run_test.py
@@ -0,0 +1,102 @@
+import unittest
+import numpy as np
+import os
+from ccpi.filters.regularisers import ROF_TV, FGP_TV
+from qualitymetrics import rmse
+import matplotlib.pyplot as plt
+
+class TestRegularisers(unittest.TestCase):
+ def __init__(self):
+ filename = os.path.join(".." , ".." , ".." , "data" ,"lena_gray_512.tif")
+
+ # read noiseless image
+ Im = plt.imread(filename)
+ Im = np.asarray(Im, dtype='float32')
+
+ Im = Im/255
+ self.u0 = Im
+ self.Im = Im
+ self.tolerance = 0.00001
+ self.rms_rof_exp = 0.01 #expected value for ROF model
+ self.rms_fgp_exp = 0.01 #expected value for FGP model
+
+ # set parameters for ROF-TV
+ self.pars_rof_tv = {'algorithm': ROF_TV, \
+ 'input' : self.u0,\
+ 'regularisation_parameter':0.04,\
+ 'number_of_iterations': 50,\
+ 'time_marching_parameter': 0.0025
+ }
+ # set parameters for FGP-TV
+ self.pars_fgp_tv = {'algorithm' : FGP_TV, \
+ 'input' : self.u0,\
+ 'regularisation_parameter':0.04, \
+ 'number_of_iterations' :50 ,\
+ 'tolerance_constant':0.00001,\
+ 'methodTV': 0 ,\
+ 'nonneg': 0 ,\
+ 'printingOut': 0
+ }
+ def test_cpu_regularisers(self):
+ print ("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%")
+ print ("_________testing ROF-TV (2D, CPU)__________")
+ print ("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%")
+ rof_cpu = ROF_TV(self.pars_rof_tv['input'],
+ self.pars_rof_tv['regularisation_parameter'],
+ self.pars_rof_tv['number_of_iterations'],
+ self.pars_rof_tv['time_marching_parameter'],'cpu')
+ rms_rof = rmse(self.Im, rof_cpu)
+ # now compare obtained rms with the expected value
+ if abs(rms_rof-self.rms_rof_exp) > self.tolerance:
+ raise TypeError('ROF-TV (2D, CPU) test FAILED')
+ else:
+ print ("test PASSED")
+ print ("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%")
+ print ("_________testing FGP-TV (2D, CPU)__________")
+ print ("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%")
+ fgp_cpu = FGP_TV(self.pars_fgp_tv['input'],
+ self.pars_fgp_tv['regularisation_parameter'],
+ self.pars_fgp_tv['number_of_iterations'],
+ self.pars_fgp_tv['tolerance_constant'],
+ self.pars_fgp_tv['methodTV'],
+ self.pars_fgp_tv['nonneg'],
+ self.pars_fgp_tv['printingOut'],'cpu')
+ rms_fgp = rmse(self.Im, fgp_cpu)
+ # now compare obtained rms with the expected value
+ if abs(rms_fgp-self.rms_fgp_exp) > self.tolerance:
+ raise TypeError('FGP-TV (2D, CPU) test FAILED')
+ else:
+ print ("test PASSED")
+ def test_gpu_regularisers(self):
+ print ("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%")
+ print ("_________testing ROF-TV (2D, GPU)__________")
+ print ("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%")
+ rof_gpu = ROF_TV(self.pars_rof_tv['input'],
+ self.pars_rof_tv['regularisation_parameter'],
+ self.pars_rof_tv['number_of_iterations'],
+ self.pars_rof_tv['time_marching_parameter'],'gpu')
+ rms_rof = rmse(self.Im, rof_gpu)
+ # now compare obtained rms with the expected value
+ if abs(rms_rof-self.rms_rof_exp) > self.tolerance:
+ raise TypeError('ROF-TV (2D, GPU) test FAILED')
+ else:
+ print ("test PASSED")
+ print ("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%")
+ print ("_________testing FGP-TV (2D, GPU)__________")
+ print ("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%")
+ fgp_gpu = FGP_TV(self.pars_fgp_tv['input'],
+ self.pars_fgp_tv['regularisation_parameter'],
+ self.pars_fgp_tv['number_of_iterations'],
+ self.pars_fgp_tv['tolerance_constant'],
+ self.pars_fgp_tv['methodTV'],
+ self.pars_fgp_tv['nonneg'],
+ self.pars_fgp_tv['printingOut'],'gpu')
+ rms_fgp = rmse(self.Im, fgp_gpu)
+ if abs(rms_fgp-self.rms_fgp_exp) > self.tolerance:
+ raise TypeError('FGP-TV (2D, GPU) test FAILED')
+ else:
+ print ("test PASSED")
+ # now compare obtained rms with the expected value
+ self.assertLess(...)
+if __name__ == "__main__":
+ unittest.main() \ No newline at end of file