Esempio n. 1
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def test_mroi1(verbose=0):
    nim =  load(RefImage)
    mroi = MultipleROI(affine=nim.get_affine(), shape=nim.get_shape())
    pos = 1.0*np.array([[10,10,10],[0,0,0],[20,0,20],[0,0,35]])
    rad = np.array([5.,6.,7.,8.0])
    mroi.as_multiple_balls(pos,rad)
    mroi.append_balls(np.array([[-10.,0.,10.]]),np.array([7.0]))
    roiPath = os.path.join(WriteDir,"mroi.nii")
    mroi.make_image(roiPath)
    assert(os.path.isfile(roiPath))
Esempio n. 2
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roi = DiscreteROI( affine=affine, shape=shape)
roi.from_labelled_image(blobPath, 1)
roiPath2 = os.path.join(swd, "roi_blob_1.nii")
roi.make_image(roiPath2)

# --- 2.c take the blob closest to 'position as an ROI'
roiPath3 = os.path.join(swd, "blob_closest_to_%d_%d_%d.nii")%\
           (position[0], position[1], position[2])
roi.from_position_and_image(blobPath, np.array(position))
roi.make_image(roiPath3)

# --- 2.d make a set of ROIs from all the blobs
mroi = MultipleROI( affine=affine, shape=shape)
mroi.from_labelled_image(blobPath)
roiPath4 = os.path.join(swd, "roi_all_blobs.nii")
mroi.make_image(roiPath4)
mroi.set_discrete_feature_from_image('activ', InputImage)
mroi.discrete_to_roi_features('activ')
mroi.plot_roi_feature('activ')

# ---- 2.e the same, a bit more complex
mroi = MultipleROI( affine=affine, shape=shape)
mroi.as_multiple_balls(np.array([[-10.,0.,10.]]),np.array([7.0]))
mroi.from_labelled_image(blobPath,np.arange(1,20))
mroi.from_labelled_image(blobPath,np.arange(31,50))
roiPath5 = os.path.join(swd,"roi_some_blobs.nii")
mroi.set_discrete_feature_from_image('activ',InputImage)
mroi.discrete_to_roi_features('activ')
valid = mroi.get_roi_feature('activ')>4.0
mroi.clean(valid)
mroi.make_image(roiPath5)