DOC: Explain why bincount is used to histogram integer arrays.

2026-07-28 11:25:42 +08:00 · 2011-12-26 01:53:59 -08:00
parent 60f146c780
commit d74295c7f1
1 changed files with 2 additions and 0 deletions
@@ -28,6 +28,8 @@ def histogram(image, nbins=256):
    bin_centers : array
        The values at the center of the bins.
    """
+
+    # For integer types, histogramming with bincount is more efficient.
    if np.issubdtype(image.dtype, np.integer):
        offset = 0
        if np.min(image) < 0: