Comment special case when local patch around is constant

2026-07-07 17:49:21 +08:00 · 2014-05-11 18:20:56 -04:00
parent e8ab5559d5
commit 7ec58dcaed
1 changed files with 1 additions and 0 deletions
@@ -741,6 +741,7 @@ def corner_subpix(image, corners, window_size=11, alpha=0.99):
            est_dot = np.linalg.solve(N_dot, b_dot)
            est_edge = np.linalg.solve(N_edge, b_edge)
        except np.linalg.LinAlgError:
+            # if image is constant the system is singular
            corners_subpix[i, :] = np.nan, np.nan
            continue