コード例 #1
0
    def create(self):
        trainT1s = Node(interface=Select(), name='trainT1s')
        trainT2s = Node(interface=Select(), name='trainT2s')
        trainLabels = Node(interface=Select(), name='trainLabels')
        testT1s = Node(interface=Select(), name='testT1s')

        #intensityImages = Node(interface=Merge(2), name='intensityImages')

        jointFusion = Node(interface=JointFusion(), name='jointFusion')
        jointFusion.inputs.num_threads = -1
        jointFusion.inputs.dimension = 3
        jointFusion.inputs.modalities = 1  #TODO: verify 2 for T1/T2
        jointFusion.inputs.method = "Joint[0.1,2]"  # this does not work
        jointFusion.inputs.output_label_image = 'fusion_neuro2012_20.nii.gz'

        outputs = Node(
            interface=IdentityInterface(fields=['output_label_image']),
            run_without_submitting=True,
            name='outputspec')

        self.connect([  # Don't worry about T2s now per Regina
            # (trainT1s, intensityImages, [('out', 'in1')]),
            # (trainT2s, intensityImages, [('out', 'in2')]),
            (testT1s, jointFusion, [('out', 'target_image')]),
            (trainT1s, jointFusion, [('out', 'warped_intensity_images')]),
            (trainLabels, jointFusion, [('out', 'warped_label_images')]),
            (jointFusion, outputs, [('output_label_image',
                                     'output_label_image')]),
        ])
コード例 #2
0
def test_JointFusion_outputs():
    output_map = dict(output_label_image=dict(), )
    outputs = JointFusion.output_spec()

    for key, metadata in output_map.items():
        for metakey, value in metadata.items():
            yield assert_equal, getattr(outputs.traits()[key], metakey), value
コード例 #3
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    def create(self):
        sampleT1s = Node(interface=Select(), name='sampleT1s')
        sampleT2s = Node(interface=Select(), name='sampleT2s')
        sampleLabels = Node(interface=Select(), name='sampleLabels')

        testT1s = Node(interface=Select(), name='testT1s')
        testT2s = Node(interface=Select(), name='testT2s')
        testLabels = Node(interface=Select(), name='testLabels')

        intensityImages = Node(interface=Merge(2), name='intensityImages')

        jointFusion = Node(interface=JointFusion(), name='jointFusion')
        jointFusion.inputs.dimension = 3
        jointFusion.inputs.modalities = 1  #TODO: verify 2 for T1/T2
        jointFusion.inputs.method = 'Joint[0.1, 2]'
        jointFusion.inputs.output_label_image = 'fusion_neuro2012_20.nii.gz'

        outputs = Node(
            interface=IdentityInterface(fields=['output_label_image']),
            run_without_submitting=True,
            name='outputspec')

        self.connect([  # Don't worry about T2s now per Regina
            # (sampleT1s, intensityImages, [('out', 'in1')]),
            # (sampleT2s, intensityImages, [('out', 'in2')]),
            # (intensityImages, jointFusion, [('out', 'warped_intensity_images')]),
            (sampleT1s, jointFusion, [('out', 'warped_intensity_images')]),
            #END: per Regina
            (sampleLabels, jointFusion, [('out', 'warped_label_images')]),
            (jointFusion, outputs, [('output_label_image',
                                     'output_label_image')]),
        ])
コード例 #4
0
def test_JointFusion_outputs():
    output_map = dict(output_label_image=dict(),
    )
    outputs = JointFusion.output_spec()

    for key, metadata in output_map.items():
        for metakey, value in metadata.items():
            yield assert_equal, getattr(outputs.traits()[key], metakey), value
コード例 #5
0
ファイル: crossValidate.py プロジェクト: sjh26/BRAINSTools
    def create(self):
        """
        This function...

        :param self:
        :return:
        """
        trainT1s = Node(interface=Select(), name="trainT1s")
        trainT2s = Node(interface=Select(), name="trainT2s")
        trainLabels = Node(interface=Select(), name="trainLabels")
        testT1s = Node(interface=Select(), name="testT1s")

        # intensityImages = Node(interface=Merge(2), name='intensityImages')

        jointFusion = Node(interface=JointFusion(), name="jointFusion")
        jointFusion.inputs.num_threads = -1
        jointFusion.inputs.dimension = 3
        jointFusion.inputs.modalities = 1  # TODO: verify 2 for T1/T2
        jointFusion.inputs.method = "Joint[0.1,2]"  # this does not work
        jointFusion.inputs.output_label_image = "fusion_neuro2012_20.nii.gz"

        outputs = Node(
            interface=IdentityInterface(fields=["output_label_image"]),
            run_without_submitting=True,
            name="outputspec",
        )

        self.connect(
            [  # Don't worry about T2s now per Regina
                # (trainT1s, intensityImages, [('out', 'in1')]),
                # (trainT2s, intensityImages, [('out', 'in2')]),
                (testT1s, jointFusion, [("out", "target_image")]),
                (trainT1s, jointFusion, [("out", "warped_intensity_images")]),
                (trainLabels, jointFusion, [("out", "warped_label_images")]),
                (jointFusion, outputs, [("output_label_image", "output_label_image")]),
            ]
        )
コード例 #6
0
def test_JointFusion_inputs():
    input_map = dict(
        alpha=dict(
            requires=['method'],
            usedefault=True,
        ),
        args=dict(argstr='%s', ),
        atlas_group_id=dict(argstr='-gp %d...', ),
        atlas_group_weights=dict(argstr='-gpw %d...', ),
        beta=dict(
            requires=['method'],
            usedefault=True,
        ),
        dimension=dict(
            argstr='%d',
            mandatory=True,
            position=0,
            usedefault=True,
        ),
        environ=dict(
            nohash=True,
            usedefault=True,
        ),
        exclusion_region=dict(argstr='-x %s', ),
        ignore_exception=dict(
            nohash=True,
            usedefault=True,
        ),
        method=dict(
            argstr='-m %s',
            usedefault=True,
        ),
        modalities=dict(
            argstr='%d',
            mandatory=True,
            position=1,
        ),
        num_threads=dict(
            nohash=True,
            usedefault=True,
        ),
        output_label_image=dict(
            argstr='%s',
            mandatory=True,
            name_template='%s',
            output_name='output_label_image',
            position=-1,
        ),
        patch_radius=dict(
            argstr='-rp %s',
            maxlen=3,
            minlen=3,
        ),
        search_radius=dict(
            argstr='-rs %s',
            maxlen=3,
            minlen=3,
        ),
        target_image=dict(
            argstr='-tg %s...',
            mandatory=True,
        ),
        terminal_output=dict(nohash=True, ),
        warped_intensity_images=dict(
            argstr='-g %s...',
            mandatory=True,
        ),
        warped_label_images=dict(
            argstr='-l %s...',
            mandatory=True,
        ),
    )
    inputs = JointFusion.input_spec()

    for key, metadata in input_map.items():
        for metakey, value in metadata.items():
            yield assert_equal, getattr(inputs.traits()[key], metakey), value
コード例 #7
0
def init_anat_seg_wf(
    age_months=None,
    anat_modality="T1w",
    template_dir=None,
    sloppy=False,
    omp_nthreads=1,
    name="anat_seg_wf",
):
    """
    Calculate brain tissue segmentations from either:
     A) a collection of manually segmented templates
     B) FSL's FAST
    """

    if anat_modality != "T1w":
        raise NotImplementedError(
            "Only T1w images are currently accepted for the segmentation workflow."
        )

    wf = pe.Workflow(name=name)
    inputnode = pe.Node(niu.IdentityInterface(fields=["anat_brain"]),
                        name="inputnode")
    outputnode = pe.Node(
        niu.IdentityInterface(fields=["anat_aseg", "anat_dseg", "anat_tpms"]),
        name="outputnode",
    )

    # Coerce segmentation labels to BIDS
    lut_anat_dseg = pe.Node(niu.Function(function=_apply_bids_lut),
                            name="lut_anat_dseg")

    if template_dir is None:
        # Use FSL FAST for segmentations
        anat_dseg = pe.Node(fsl.FAST(segments=True,
                                     no_bias=True,
                                     probability_maps=True),
                            name='anat_dseg',
                            mem_gb=3)
        lut_anat_dseg.inputs.lut = (0, 3, 1, 2
                                    )  # Maps: 0 -> 0, 3 -> 1, 1 -> 2, 2 -> 3.
        fast2bids = pe.Node(niu.Function(function=_probseg_fast2bids),
                            name="fast2bids",
                            run_without_submitting=True)

        wf.connect([
            (inputnode, anat_dseg, [
                ('anat_brain', 'in_files'),
            ]),
            (anat_dseg, lut_anat_dseg, [
                ('partial_volume_map', 'in_dseg'),
            ]),
            (lut_anat_dseg, outputnode, [
                ('out', 'anat_dseg'),
            ]),
            (anat_dseg, fast2bids, [
                ('partial_volume_files', 'inlist'),
            ]),
            (fast2bids, outputnode, [
                ('out', 'anat_tpms'),
            ]),
        ])
        return wf

    # Otherwise, register to templates and run ANTs JointFusion
    lut_anat_dseg.inputs.lut = _aseg_to_three()
    tmpl_anats, tmpl_segs = _parse_segmentation_atlases(
        anat_modality, template_dir)

    # register to templates
    ants_params = "testing" if sloppy else "precise"
    # Register to each subject space
    norm = pe.MapNode(
        Registration(from_file=pkgr_fn(
            "niworkflows.data", f"antsBrainExtraction_{ants_params}.json")),
        name="norm",
        iterfield=["moving_image"],
        n_procs=omp_nthreads,
        mem_gb=DEFAULT_MEMORY_MIN_GB,
    )
    norm.inputs.moving_image = tmpl_anats
    norm.inputs.float = True

    apply_atlas = pe.MapNode(
        ApplyTransforms(
            dimension=3,
            interpolation="NearestNeighbor",
            float=True,
        ),
        iterfield=["transforms", "input_image"],
        name="apply_atlas",
    )
    apply_atlas.inputs.input_image = tmpl_anats

    apply_seg = pe.MapNode(
        ApplyTransforms(dimension=3,
                        interpolation="MultiLabel"),  # NearestNeighbor?
        name="apply_seg",
        iterfield=["transforms", "input_image"],
    )
    apply_seg.inputs.input_image = tmpl_segs

    jointfusion = pe.Node(
        JointFusion(
            dimension=3,
            out_label_fusion="fusion_labels.nii.gz",
            num_threads=omp_nthreads,
        ),
        name="jointfusion",
    )

    jf_label = pe.Node(niu.Function(function=_to_dtype), name="jf_label")

    # split each tissue into individual masks
    split_seg = pe.Node(niu.Function(function=_split_segments),
                        name="split_seg")
    to_list = pe.Node(niu.Function(function=_to_list), name='to_list')

    # fmt: off
    wf.connect([
        (inputnode, norm, [('anat_brain', 'fixed_image')]),
        (norm, apply_atlas, [('forward_transforms', 'transforms')]),
        (inputnode, apply_atlas, [('anat_brain', 'reference_image')]),
        (norm, apply_seg, [('forward_transforms', 'transforms')]),
        (inputnode, apply_seg, [('anat_brain', 'reference_image')]),
        (inputnode, to_list, [('anat_brain', 'in_file')]),
        (to_list, jointfusion, [('out', 'target_image')]),
        (apply_atlas, jointfusion, [('output_image', 'atlas_image')]),
        (apply_seg, jointfusion, [('output_image', 'atlas_segmentation_image')
                                  ]),
        (jointfusion, jf_label, [('out_label_fusion', 'in_file')]),
        (jf_label, outputnode, [('out', 'anat_aseg')]),
        (jf_label, lut_anat_dseg, [('out', 'in_dseg')]),
        (lut_anat_dseg, outputnode, [('out', 'anat_dseg')]),
        (lut_anat_dseg, split_seg, [('out', 'in_file')]),
        (split_seg, outputnode, [('out', 'anat_tpms')]),
    ])
    # fmt: on

    return wf
コード例 #8
0
def test_JointFusion_inputs():
    input_map = dict(alpha=dict(requires=['method'],
    usedefault=True,
    ),
    args=dict(argstr='%s',
    ),
    atlas_group_id=dict(argstr='-gp %d...',
    ),
    atlas_group_weights=dict(argstr='-gpw %d...',
    ),
    beta=dict(requires=['method'],
    usedefault=True,
    ),
    dimension=dict(argstr='%d',
    mandatory=True,
    position=0,
    usedefault=True,
    ),
    environ=dict(nohash=True,
    usedefault=True,
    ),
    exclusion_region=dict(argstr='-x %s',
    ),
    ignore_exception=dict(nohash=True,
    usedefault=True,
    ),
    method=dict(argstr='-m %s',
    usedefault=True,
    ),
    modalities=dict(argstr='%d',
    mandatory=True,
    position=1,
    ),
    num_threads=dict(nohash=True,
    usedefault=True,
    ),
    output_label_image=dict(argstr='%s',
    mandatory=True,
    name_template='%s',
    output_name='output_label_image',
    position=-1,
    ),
    patch_radius=dict(argstr='-rp %s',
    maxlen=3,
    minlen=3,
    ),
    search_radius=dict(argstr='-rs %s',
    maxlen=3,
    minlen=3,
    ),
    target_image=dict(argstr='-tg %s...',
    mandatory=True,
    ),
    terminal_output=dict(nohash=True,
    ),
    warped_intensity_images=dict(argstr='-g %s...',
    mandatory=True,
    ),
    warped_label_images=dict(argstr='-l %s...',
    mandatory=True,
    ),
    )
    inputs = JointFusion.input_spec()

    for key, metadata in input_map.items():
        for metakey, value in metadata.items():
            yield assert_equal, getattr(inputs.traits()[key], metakey), value