add note for distance/angle convention. Thanks to Emre Safak.

2026-07-09 07:27:33 +08:00 · 2013-03-20 08:51:04 +01:00
parent ee915cd9ea
commit 1ddf37b6b6
1 changed files with 6 additions and 0 deletions
@@ -127,6 +127,12 @@ def hough_line(img, theta=None):
    distances : ndarray
        Distance values.

+    Notes
+    -----
+    The origin is the top left corner of the original image.
+    The angle is counted clockwise from 9 o'clock.
+    The distance is the minimal algebraic distance from this origin to the line.
+
    Examples
    --------
    Generate a test image: