making in-place addition modification suggested in issue #1089

2026-07-11 20:44:02 +08:00 · 2014-08-31 11:37:35 +01:00
parent 25d6c58674
commit 812b23d41f
1 changed files with 2 additions and 1 deletions
@@ -1127,7 +1127,8 @@ def separate_stains(rgb, conv_matrix):
    >>> ihc = data.immunohistochemistry()
    >>> ihc_hdx = separate_stains(ihc, hdx_from_rgb)
    """
-    rgb = dtype.img_as_float(rgb) + 2
+    rgb = dtype.img_as_float(rgb, force_copy=True)
+    rgb += 2
    stains = np.dot(np.reshape(-np.log(rgb), (-1, 3)), conv_matrix)
    return np.reshape(stains, rgb.shape)