fix iradon filter

hanjinliu · Oct 31, 2023 · 4bc4480 · 4bc4480
1 parent 8a9e1f7
commit 4bc4480
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/impy/arrays/_utils/_transform.py b/impy/arrays/_utils/_transform.py
@@ -325,6 +325,8 @@ def iradon(
 
 # This function is almost ported from `skimage.transform`.
 def get_fourier_filter(size: int, filter_name: str):
+    if size % 2 != 0:
+        return get_fourier_filter(size + 1, filter_name)[1:]
     n = xp.concatenate(
         [xp.arange(1, size // 2 + 1, 2, dtype=np.float32),
          xp.arange(size // 2 - 1, 0, -2, dtype=np.float32)]