Ejemplo n.º 1
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def test_apply_mne_inverse_raw():
    """Test MNE with precomputed inverse operator on Raw."""
    start = 3
    stop = 10
    raw = read_raw_fif(fname_raw)
    label_lh = read_label(fname_label % 'Aud-lh')
    _, times = raw[0, start:stop]
    inverse_operator = read_inverse_operator(fname_full)
    inverse_operator = prepare_inverse_operator(inverse_operator, nave=1,
                                                lambda2=lambda2, method="dSPM")
    for pick_ori in [None, "normal", "vector"]:
        stc = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                label=label_lh, start=start, stop=stop, nave=1,
                                pick_ori=pick_ori, buffer_size=None,
                                prepared=True)

        stc2 = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                 label=label_lh, start=start, stop=stop,
                                 nave=1, pick_ori=pick_ori,
                                 buffer_size=3, prepared=True)

        if pick_ori is None:
            assert_true(np.all(stc.data > 0))
            assert_true(np.all(stc2.data > 0))

        assert_true(stc.subject == 'sample')
        assert_true(stc2.subject == 'sample')
        assert_array_almost_equal(stc.times, times)
        assert_array_almost_equal(stc2.times, times)
        assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 2
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def test_apply_mne_inverse_fixed_raw():
    """Test MNE with fixed-orientation inverse operator on Raw
    """
    raw = fiff.Raw(fname_raw)
    start = 3
    stop = 10
    _, times = raw[0, start:stop]
    label_lh = read_label(fname_label % 'Aud-lh')

    # create a fixed-orientation inverse operator
    fwd = read_forward_solution(fname_fwd, force_fixed=False, surf_ori=True)
    noise_cov = read_cov(fname_cov)
    inv_op = make_inverse_operator(raw.info, fwd, noise_cov,
                                   loose=None, depth=0.8, fixed=True)

    stc = apply_inverse_raw(raw, inv_op, lambda2, "dSPM",
                            label=label_lh, start=start, stop=stop, nave=1,
                            pick_ori=None, buffer_size=None)

    stc2 = apply_inverse_raw(raw, inv_op, lambda2, "dSPM",
                             label=label_lh, start=start, stop=stop, nave=1,
                             pick_ori=None, buffer_size=3)

    assert_true(stc.subject == 'sample')
    assert_true(stc2.subject == 'sample')
    assert_array_almost_equal(stc.times, times)
    assert_array_almost_equal(stc2.times, times)
    assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 3
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    def test_apply_mne_inverse_raw(self):
        """Test MNE with precomputed inverse operator on Raw
        """
        start = 3
        stop = 10
        _, times = raw[0, start:stop]
        for pick_normal in [False, True]:
            stc = apply_inverse_raw(raw, self.inv_op, lambda2, "dSPM",
                                    label=label_lh, start=start, stop=stop,
                                    nave=1, pick_normal=pick_normal,
                                    buffer_size=None)

            stc2 = apply_inverse_raw(raw, self.inv_op, lambda2, "dSPM",
                                     label=label_lh, start=start, stop=stop,
                                     nave=1, pick_normal=pick_normal,
                                     buffer_size=3)

            if not pick_normal:
                assert_true(np.all(stc.data > 0))
                assert_true(np.all(stc2.data > 0))

            assert_array_almost_equal(stc.times, times)
            assert_array_almost_equal(stc2.times, times)

            assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 4
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def test_apply_mne_inverse_raw():
    """Test MNE with precomputed inverse operator on Raw."""
    start = 3
    stop = 10
    raw = read_raw_fif(fname_raw)
    label_lh = read_label(fname_label % 'Aud-lh')
    _, times = raw[0, start:stop]
    inverse_operator = read_inverse_operator(fname_full)
    with pytest.raises(ValueError, match='has not been prepared'):
        apply_inverse_raw(raw, inverse_operator, lambda2, prepared=True)
    inverse_operator = prepare_inverse_operator(inverse_operator, nave=1,
                                                lambda2=lambda2, method="dSPM")
    for pick_ori in [None, "normal", "vector"]:
        stc = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                label=label_lh, start=start, stop=stop, nave=1,
                                pick_ori=pick_ori, buffer_size=None,
                                prepared=True)

        stc2 = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                 label=label_lh, start=start, stop=stop,
                                 nave=1, pick_ori=pick_ori,
                                 buffer_size=3, prepared=True)

        if pick_ori is None:
            assert (np.all(stc.data > 0))
            assert (np.all(stc2.data > 0))

        assert (stc.subject == 'sample')
        assert (stc2.subject == 'sample')
        assert_array_almost_equal(stc.times, times)
        assert_array_almost_equal(stc2.times, times)
        assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 5
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def test_apply_mne_inverse_fixed_raw():
    """Test MNE with fixed-orientation inverse operator on Raw
    """
    raw = fiff.Raw(fname_raw)
    start = 3
    stop = 10
    _, times = raw[0, start:stop]
    label_lh = read_label(fname_label % 'Aud-lh')

    # create a fixed-orientation inverse operator
    fwd = read_forward_solution(fname_fwd, force_fixed=False, surf_ori=True)
    noise_cov = read_cov(fname_cov)
    inv_op = make_inverse_operator(raw.info, fwd, noise_cov,
                                   loose=None, depth=0.8, fixed=True)

    stc = apply_inverse_raw(raw, inv_op, lambda2, "dSPM",
                            label=label_lh, start=start, stop=stop, nave=1,
                            pick_ori=None, buffer_size=None)

    stc2 = apply_inverse_raw(raw, inv_op, lambda2, "dSPM",
                             label=label_lh, start=start, stop=stop, nave=1,
                             pick_ori=None, buffer_size=3)

    assert_true(stc.subject == 'sample')
    assert_true(stc2.subject == 'sample')
    assert_array_almost_equal(stc.times, times)
    assert_array_almost_equal(stc2.times, times)
    assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 6
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def test_apply_mne_inverse_raw():
    """Test MNE with precomputed inverse operator on Raw
    """
    start = 3
    stop = 10
    raw = fiff.Raw(fname_raw)
    label_lh = read_label(fname_label % 'Aud-lh')
    _, times = raw[0, start:stop]
    inverse_operator = read_inverse_operator(fname_inv)
    for pick_ori in [None, "normal"]:
        stc = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                label=label_lh, start=start, stop=stop, nave=1,
                                pick_ori=pick_ori, buffer_size=None)

        stc2 = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                 label=label_lh, start=start, stop=stop,
                                 nave=1, pick_ori=pick_ori,
                                 buffer_size=3)

        if pick_ori is None:
            assert_true(np.all(stc.data > 0))
            assert_true(np.all(stc2.data > 0))

        assert_true(stc.subject == 'sample')
        assert_true(stc2.subject == 'sample')
        assert_array_almost_equal(stc.times, times)
        assert_array_almost_equal(stc2.times, times)
        assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 7
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def test_apply_mne_inverse_raw():
    """Test MNE with precomputed inverse operator on Raw
    """
    start = 3
    stop = 10
    _, times = raw[0, start:stop]
    for pick_normal in [False, True]:
        stc = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                label=label_lh, start=start, stop=stop, nave=1,
                                pick_normal=pick_normal, buffer_size=None)

        stc2 = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                 label=label_lh, start=start, stop=stop,
                                 nave=1, pick_normal=pick_normal,
                                 buffer_size=3)

        if not pick_normal:
            assert_true(np.all(stc.data > 0))
            assert_true(np.all(stc2.data > 0))

        assert_true(stc.subject == 'sample')
        assert_true(stc2.subject == 'sample')
        assert_array_almost_equal(stc.times, times)
        assert_array_almost_equal(stc2.times, times)
        assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 8
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def test_apply_mne_inverse_raw():
    """Test MNE with precomputed inverse operator on Raw
    """
    start = 3
    stop = 10
    _, times = raw[0, start:stop]
    for pick_ori in [None, "normal"]:
        stc = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                label=label_lh, start=start, stop=stop, nave=1,
                                pick_ori=pick_ori, buffer_size=None)

        stc2 = apply_inverse_raw(raw, inverse_operator, lambda2, "dSPM",
                                 label=label_lh, start=start, stop=stop,
                                 nave=1, pick_ori=pick_ori,
                                 buffer_size=3)

        if pick_ori == None:
            assert_true(np.all(stc.data > 0))
            assert_true(np.all(stc2.data > 0))

        assert_true(stc.subject == 'sample')
        assert_true(stc2.subject == 'sample')
        assert_array_almost_equal(stc.times, times)
        assert_array_almost_equal(stc2.times, times)
        assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 9
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def test_inverse_ctf_comp():
    """Test interpolation with compensated CTF data."""
    ctf_dir = op.join(testing.data_path(download=False), 'CTF')
    raw_fname = op.join(ctf_dir, 'somMDYO-18av.ds')
    raw = mne.io.read_raw_ctf(raw_fname)
    raw.apply_gradient_compensation(1)
    sphere = make_sphere_model()
    cov = make_ad_hoc_cov(raw.info)
    src = mne.setup_volume_source_space(
        pos=dict(rr=[[0., 0., 0.01]], nn=[[0., 1., 0.]]))
    fwd = make_forward_solution(raw.info, None, src, sphere, eeg=False)
    inv = make_inverse_operator(raw.info, fwd, cov, loose=1.)
    apply_inverse_raw(raw, inv, 1. / 9.)
Ejemplo n.º 10
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def test_inverse_ctf_comp():
    """Test interpolation with compensated CTF data."""
    raw = mne.io.read_raw_ctf(fname_raw_ctf).crop(0, 0)
    raw.apply_gradient_compensation(1)
    sphere = make_sphere_model()
    cov = make_ad_hoc_cov(raw.info)
    src = mne.setup_volume_source_space(
        pos=dict(rr=[[0., 0., 0.01]], nn=[[0., 1., 0.]]))
    fwd = make_forward_solution(raw.info, None, src, sphere, eeg=False)
    raw.apply_gradient_compensation(0)
    with pytest.raises(RuntimeError, match='Compensation grade .* not match'):
        make_inverse_operator(raw.info, fwd, cov, loose=1.)
    raw.apply_gradient_compensation(1)
    inv = make_inverse_operator(raw.info, fwd, cov, loose=1.)
    apply_inverse_raw(raw, inv, 1. / 9.)  # smoke test
    raw.apply_gradient_compensation(0)
    with pytest.raises(RuntimeError, match='Compensation grade .* not match'):
        apply_inverse_raw(raw, inv, 1. / 9.)
Ejemplo n.º 11
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def test_inverse_ctf_comp():
    """Test interpolation with compensated CTF data."""
    raw = mne.io.read_raw_ctf(fname_raw_ctf).crop(0, 0)
    raw.apply_gradient_compensation(1)
    sphere = make_sphere_model()
    cov = make_ad_hoc_cov(raw.info)
    src = mne.setup_volume_source_space(
        pos=dict(rr=[[0., 0., 0.01]], nn=[[0., 1., 0.]]))
    fwd = make_forward_solution(raw.info, None, src, sphere, eeg=False)
    raw.apply_gradient_compensation(0)
    with pytest.raises(RuntimeError, match='compensation grade mismatch'):
        make_inverse_operator(raw.info, fwd, cov, loose=1.)
    raw.apply_gradient_compensation(1)
    inv = make_inverse_operator(raw.info, fwd, cov, loose=1.)
    apply_inverse_raw(raw, inv, 1. / 9.)  # smoke test
    raw.apply_gradient_compensation(0)
    with pytest.raises(RuntimeError, match='compensation grade mismatch'):
        apply_inverse_raw(raw, inv, 1. / 9.)
Ejemplo n.º 12
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    def test_apply_mne_inverse_fixed_raw(self):
        """Test MNE with fixed-orientation inverse operator on Raw
        """
        start = 3
        stop = 10
        _, times = raw[0, start:stop]

        # create a fixed-orientation inverse operator
        inv_op = make_inverse_operator(raw.info, self.fwd_op, noise_cov,
                                       loose=None, depth=0.8, fixed=True)

        stc = apply_inverse_raw(raw, inv_op, lambda2, "dSPM",
                                label=label_lh, start=start, stop=stop, nave=1,
                                pick_normal=False, buffer_size=None)

        stc2 = apply_inverse_raw(raw, inv_op, lambda2, "dSPM",
                                 label=label_lh, start=start, stop=stop,
                                 nave=1, pick_normal=False, buffer_size=3)

        assert_array_almost_equal(stc.times, times)
        assert_array_almost_equal(stc2.times, times)
        assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 13
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def test_apply_mne_inverse_fixed_raw():
    """Test MNE with fixed-orientation inverse operator on Raw"""
    start = 3
    stop = 10
    _, times = raw[0, start:stop]

    # create a fixed-orientation inverse operator
    fwd = read_forward_solution(fname_fwd, force_fixed=True)
    inv_op = make_inverse_operator(raw.info,
                                   fwd,
                                   noise_cov,
                                   loose=None,
                                   depth=0.8)

    stc = apply_inverse_raw(raw,
                            inv_op,
                            lambda2,
                            "dSPM",
                            label=label_lh,
                            start=start,
                            stop=stop,
                            nave=1,
                            pick_normal=False,
                            buffer_size=None)

    stc2 = apply_inverse_raw(raw,
                             inv_op,
                             lambda2,
                             "dSPM",
                             label=label_lh,
                             start=start,
                             stop=stop,
                             nave=1,
                             pick_normal=False,
                             buffer_size=3)

    assert_array_almost_equal(stc.times, times)
    assert_array_almost_equal(stc2.times, times)
    assert_array_almost_equal(stc.data, stc2.data)
Ejemplo n.º 14
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def test_apply_mne_inverse_fixed_raw():
    """Test MNE with fixed-orientation inverse operator on Raw."""
    raw = read_raw_fif(fname_raw)
    start = 3
    stop = 10
    _, times = raw[0, start:stop]
    label_lh = read_label(fname_label % 'Aud-lh')

    # create a fixed-orientation inverse operator
    fwd = read_forward_solution_meg(fname_fwd, force_fixed=False,
                                    surf_ori=True)
    noise_cov = read_cov(fname_cov)
    assert_raises(ValueError, make_inverse_operator,
                  raw.info, fwd, noise_cov, loose=1., fixed=True)
    inv_op = make_inverse_operator(raw.info, fwd, noise_cov,
                                   fixed=True, use_cps=True)

    inv_op2 = prepare_inverse_operator(inv_op, nave=1,
                                       lambda2=lambda2, method="dSPM")
    stc = apply_inverse_raw(raw, inv_op2, lambda2, "dSPM",
                            label=label_lh, start=start, stop=stop, nave=1,
                            pick_ori=None, buffer_size=None, prepared=True)

    stc2 = apply_inverse_raw(raw, inv_op2, lambda2, "dSPM",
                             label=label_lh, start=start, stop=stop, nave=1,
                             pick_ori=None, buffer_size=3, prepared=True)

    stc3 = apply_inverse_raw(raw, inv_op, lambda2, "dSPM",
                             label=label_lh, start=start, stop=stop, nave=1,
                             pick_ori=None, buffer_size=None)

    assert_true(stc.subject == 'sample')
    assert_true(stc2.subject == 'sample')
    assert_array_almost_equal(stc.times, times)
    assert_array_almost_equal(stc2.times, times)
    assert_array_almost_equal(stc3.times, times)
    assert_array_almost_equal(stc.data, stc2.data)
    assert_array_almost_equal(stc.data, stc3.data)
Ejemplo n.º 15
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def test_apply_mne_inverse_fixed_raw():
    """Test MNE with fixed-orientation inverse operator on Raw."""
    raw = read_raw_fif(fname_raw)
    start = 3
    stop = 10
    _, times = raw[0, start:stop]
    label_lh = read_label(fname_label % 'Aud-lh')

    # create a fixed-orientation inverse operator
    fwd = read_forward_solution_meg(fname_fwd, force_fixed=False,
                                    surf_ori=True)
    noise_cov = read_cov(fname_cov)
    pytest.raises(ValueError, make_inverse_operator,
                  raw.info, fwd, noise_cov, loose=1., fixed=True)
    inv_op = make_inverse_operator(raw.info, fwd, noise_cov,
                                   fixed=True, use_cps=True)

    inv_op2 = prepare_inverse_operator(inv_op, nave=1,
                                       lambda2=lambda2, method="dSPM")
    stc = apply_inverse_raw(raw, inv_op2, lambda2, "dSPM",
                            label=label_lh, start=start, stop=stop, nave=1,
                            pick_ori=None, buffer_size=None, prepared=True)

    stc2 = apply_inverse_raw(raw, inv_op2, lambda2, "dSPM",
                             label=label_lh, start=start, stop=stop, nave=1,
                             pick_ori=None, buffer_size=3, prepared=True)

    stc3 = apply_inverse_raw(raw, inv_op, lambda2, "dSPM",
                             label=label_lh, start=start, stop=stop, nave=1,
                             pick_ori=None, buffer_size=None)

    assert (stc.subject == 'sample')
    assert (stc2.subject == 'sample')
    assert_array_almost_equal(stc.times, times)
    assert_array_almost_equal(stc2.times, times)
    assert_array_almost_equal(stc3.times, times)
    assert_array_almost_equal(stc.data, stc2.data)
    assert_array_almost_equal(stc.data, stc3.data)