Force copy of input img (#297)

2020-05-24 11:45:21 +02:00 · 2020-05-24 11:45:21 +02:00 · fa470ebcef
parent 02f2573a29
commit fa470ebcef
1 changed files with 1 additions and 1 deletions
--- a/mmcv/image/photometric.py
+++ b/mmcv/image/photometric.py
@ -14,7 +14,7 @@ def imnormalize(img, mean, std, to_rgb=True):
    Returns:
        ndarray: The normalized image.
    """
-    img = np.float32(img) if img.dtype != np.float32 else img.copy()
+    img = img.copy().astype(np.float32)
    return imnormalize_(img, mean, std, to_rgb)