fix vision.orb call

tomerdmnt · tomerdmnt · commit b73d4ee7fcae · 2017-12-24T17:10:52.000+02:00
diff --git a/arrayfire/vision.py b/arrayfire/vision.py
@@ -131,7 +131,7 @@ def orb(image, threshold=20.0, max_features=400, scale = 1.5, num_levels = 4, bl
     """
     feat = Features()
     desc = Array()
-    safe_call(backend.get().af_orb(c_pointer(feat.feat), c_pointer(desc.arr),
+    safe_call(backend.get().af_orb(c_pointer(feat.feat), c_pointer(desc.arr), image.arr,
                                    c_float_t(threshold), c_uint_t(max_features),
                                    c_float_t(scale), c_uint_t(num_levels), blur_image))
     return feat, desc
