def test_otsu_image_256_histogram_bins(aorta_image, compare_images):
name = __name__ + '_test_otsu_image_256_histogram_bins.mha'
otsuer = otsu.vmtkImageOtsuThresholds()
otsuer.Image = aorta_image
otsuer.NumberOfHistogramBins = 256
otsuer.Execute()
assert compare_images(otsuer.Image, name) == True
def test_otsu_image_multiple_thresholds(aorta_image, compare_images, thresholds, paramid):
name = __name__ + '_test_otsu_image_multiple_thresholds_' + paramid + '.mha'
otsuer = otsu.vmtkImageOtsuThresholds()
otsuer.Image = aorta_image
otsuer.NumberOfThresholds = thresholds
otsuer.Execute()
assert compare_images(otsuer.Image, name) == True
def test_otsu_image_256_histogram_bins(aorta_image, compare_images):
name = __name__ + '_test_otsu_image_256_histogram_bins.mha'
otsuer = otsu.vmtkImageOtsuThresholds()
otsuer.Image = aorta_image
otsuer.NumberOfHistogramBins = 256
otsuer.Execute()
assert compare_images(otsuer.Image, name) == True
def test_otsu_image_multiple_thresholds(aorta_image, compare_images, thresholds, paramid):
name = __name__ + '_test_otsu_image_multiple_thresholds_' + paramid + '.mha'
otsuer = otsu.vmtkImageOtsuThresholds()
otsuer.Image = aorta_image
otsuer.NumberOfThresholds = thresholds
otsuer.Execute()
assert compare_images(otsuer.Image, name) == True
def ostsuerThreshold():
input_datadir = 'C:/Users/chenjiaxing/Desktop/CT-Data/png/Spine_Bone_Ext/'
reader = imagereader.vmtkImageReader()
# 单幅图像
# reader.InputFileName = os.path.join(input_datadir, '170.png')
# 图像序列
reader.InputFilePrefix = input_datadir
reader.InputFilePattern = "%s%d.png"
reader.DataExtent = [0, 512, 0, 512, 1, 188]
reader.Format = "png"
reader.UseITKIO = 0
reader.Execute()
otsuer = otsu.vmtkImageOtsuThresholds()
otsuer.Image = reader.Image
otsuer.NumberOfThresholds = 2
otsuer.Execute()
viewer = imageviewer.vmtkImageViewer()
viewer.Image = otsuer.Image
viewer.Execute()