示例#1
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            "sig0" : 10000,
            "infer-vp" : True,
        }, # Model options
        {
            "ktrans" : [0.05, 0.1, 0.2, 0.4, 0.8],
            "ve" : [0.05, 0.1, 0.2, 0.4, 0.8],
            "vp" : 0.01,
        }, 
        {
            "nt" : 25,
            "patchsize" : 5,
            "noise" : 5,
        } # Other options
    ]
}

save = "--save" in sys.argv

try:
    for model, test_data in TEST_DATA.items():
        rundata, params, kwargs = test_data
        log = self_test(model, rundata, params, save_input=save, save_output=save, 
                        invert=True, **kwargs)
        #print(log)
except FabberException, e:
    print e.log
    traceback.print_exc()
except:
    traceback.print_exc()

示例#2
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            "repeats": 1,
            "nph": 8,
            "modfn": "fermi",
            "alpha": 55,
            "beta": 12
        },  # Model options
        {
            "mag": [100, 200, 400],
            "phase": [-pi, -pi / 2, -pi / 4, 0, pi / 4, pi / 2, pi],
            "offset": [500, 1000]
        },  # Parameter values - at most 3 can vary
        {
            "nt": 8
        }  # Other options
    ]
}

try:
    for model, test_data in TEST_DATA.items():
        rundata, params, kwargs = test_data
        ret = self_test(model,
                        rundata,
                        params,
                        noise=50,
                        patchsize=10,
                        save_input=True,
                        save_output=True,
                        **kwargs)
except:
    traceback.print_exc()
示例#3
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from fabber import self_test, FabberException

save = "--save" in sys.argv
try:
    rundata = {
        "model": "exp",  # Exponential model
        "num-exps": 1,  # Single exponential function
        "dt": 0.02,  # With 100 time points time values will range from 0 to 2
    }
    params = {
        "amp1": [1, 0.5],  # Amplitude
        "r1": [1.0, 0.8],  # Decay rate
    }
    test_config = {
        "nt": 100,  # Number of time points
        "noise": 0.1,  # Amplitude of Gaussian noise to add to simulated data
        "patchsize": 20,  # Each patch is 20 voxels along each dimension
    }
    result, log = self_test("exp",
                            rundata,
                            params,
                            save_input=save,
                            save_output=save,
                            invert=True,
                            **test_config)
except FabberException, e:
    print e.log
    traceback.print_exc()
except:
    traceback.print_exc()
示例#4
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FSLDIR = os.environ["FSLDIR"]
sys.path.insert(0, FSLDIR + "/lib/python")
from fabber import self_test

TEST_DATA = {
    "asl_multiphase": [
        {
            "repeats": 1,
            "nph": 8,
            "modfn": "fermi",
            "alpha": 66,
            "beta": 21
        },  # Model options
        {
            "mag": [10, 20, 40, 80, 160, 320],
            "phase": [0, 0.1, 0.2, 0.3, 0.4, 0.5],
            "offset": [500, 1000, 1500, 2000]
        },  # Parameter values - at most 3 can vary
        {
            "nt": 8
        }  # Other options
    ]
}

try:
    for model, test_data in TEST_DATA.items():
        rundata, params, kwargs = test_data
        self_test(model, rundata, params, noise=0.01, **kwargs)
except:
    traceback.print_exc()