diff --git a/gatetools/image_convert.py b/gatetools/image_convert.py
index 1fa87c7..6eb70ce 100644
--- a/gatetools/image_convert.py
+++ b/gatetools/image_convert.py
@@ -203,7 +203,7 @@ def test_convert(self):
         y = np.arange(-12, 15, 1)
         z = np.arange(-13, 10, 1)
         xx, yy, zz = np.meshgrid(x, y, z)
-        image = itk.image_from_array(np.float32(xx))
+        image = itk.GetImageFromArray(np.float32(xx))
         convertedImage = image_convert(image, "unsigned char")
         itk.imwrite(convertedImage, "testConvert.mha")
         with open("testConvert.mha","rb") as fnew:
diff --git a/gatetools/image_crop.py b/gatetools/image_crop.py
index c61aa02..e61ab7d 100644
--- a/gatetools/image_crop.py
+++ b/gatetools/image_crop.py
@@ -143,24 +143,24 @@ def test_auto_crop(self):
         image.SetRegions(region)
         image.Allocate()
         image.FillBuffer(0)
-        npView = itk.array_from_image(image)
+        npView = itk.GetArrayFromImage(image)
         npView[10:52, 42:192, 124:147] =1
-        image = itk.image_from_array(npView)
+        image = itk.GetImageFromArray(npView)
         autoCrop = image_auto_crop(image)
         autoCropSize = autoCrop.GetLargestPossibleRegion().GetSize()
         self.assertTrue(np.allclose(autoCropSize[0], 23))
         self.assertTrue(np.allclose(autoCropSize[1], 150))
         self.assertTrue(np.allclose(autoCropSize[2], 42))
-        self.assertTrue(np.allclose(itk.array_from_image(autoCrop)[0, 0, 0], 1))
+        self.assertTrue(np.allclose(itk.GetArrayFromImage(autoCrop)[0, 0, 0], 1))
     def test_crop(self):
         x = np.arange(-10, 10, 0.1)
         y = np.arange(-12, 15, 0.1)
         z = np.arange(-13, 10, 0.1)
         xx, yy, zz = np.meshgrid(x, y, z)
-        image = itk.image_from_array(np.float32(xx))
+        image = itk.GetImageFromArray(np.float32(xx))
         croppedImage = image_crop_with_bb(image, gt.bounding_box(xyz=[10.0, 12.0, 0.0, 7.0, 6.0, 15.0]))
         croppedImageSize = croppedImage.GetLargestPossibleRegion().GetSize()
         self.assertTrue(np.allclose(croppedImageSize[0], 3))
         self.assertTrue(np.allclose(croppedImageSize[1], 8))
         self.assertTrue(np.allclose(croppedImageSize[2], 10))
-        self.assertTrue(np.allclose(itk.array_from_image(croppedImage)[0, 0, 0], -10))
+        self.assertTrue(np.allclose(itk.GetArrayFromImage(croppedImage)[0, 0, 0], -10))