示例#1
0
 def test_01(self):
     lmbda = 1e-1
     opt = onlinecdl.OnlineConvBPDNDictLearn.Options()
     try:
         b = onlinecdl.OnlineConvBPDNDictLearn(self.D0, lmbda, opt=opt)
         for it in range(10):
             img_index = np.random.randint(0, self.S.shape[-1])
             b.solve(self.S[..., img_index])
     except Exception as e:
         print(e)
         assert 0
 def test_02(self):
     lmbda = 1e-1
     opts = onlinecdl.OnlineConvBPDNDictLearn.Options(
         {'CBPDN': {
             'MaxMainIter': 10,
             'AutoRho': {
                 'Enabled': False
             }
         }})
     try:
         b = onlinecdl.OnlineConvBPDNDictLearn(self.D0, lmbda, opt=opts)
         for it in range(10):
             img_index = np.random.randint(0, self.S.shape[-1])
             b.solve(self.S[..., [img_index]])
     except Exception as e:
         print(e)
         assert 0
示例#3
0
"""

lmbda = 0.2
opt = onlinecdl.OnlineConvBPDNDictLearn.Options({
                'Verbose': True, 'ZeroMean': False, 'eta_a': 10.0,
                'eta_b': 20.0, 'DataType': np.float32,
                'CBPDN': {'rho': 5.0, 'AutoRho': {'Enabled': True},
                    'RelaxParam': 1.8, 'RelStopTol': 1e-7, 'MaxMainIter': 50,
                    'FastSolve': False, 'DataType': np.float32}})


"""
Create solver object and solve.
"""

d = onlinecdl.OnlineConvBPDNDictLearn(D0, lmbda, opt)

iter = 50
d.display_start()
for it in range(iter):
    img_index = np.random.randint(0, sh.shape[-1])
    d.solve(sh[..., [img_index]])

d.display_end()
D1 = d.getdict()
print("OnlineConvBPDNDictLearn solve time: %.2fs" % d.timer.elapsed('solve'))


"""
Display initial and final dictionaries.
"""