From 2ff289fcec7454b2c7af16c9b79b1bf7b38274e0 Mon Sep 17 00:00:00 2001 From: Stefan van der Walt Date: Fri, 1 Mar 2013 17:19:36 +0200 Subject: [PATCH] DOC: Use brighter color in circular Hough demo. --- doc/examples/plot_circular_hough_transform.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/doc/examples/plot_circular_hough_transform.py b/doc/examples/plot_circular_hough_transform.py index 2574a1ac..fc891d04 100755 --- a/doc/examples/plot_circular_hough_transform.py +++ b/doc/examples/plot_circular_hough_transform.py @@ -34,7 +34,7 @@ Its size is extended by two times the larger radius. import numpy as np import matplotlib.pyplot as plt -from skimage import data, filter +from skimage import data, filter, color from skimage.transform import hough_circle from skimage.feature import peak_local_max from skimage.draw import circle_perimeter @@ -61,11 +61,12 @@ for radius, h in zip(hough_radii, hough_res): radii.extend([radius, radius]) # Draw the most prominent 5 circles +image = color.gray2rgb(image) for idx in np.argsort(accums)[::-1][:5]: center_x, center_y = centers[idx] radius = radii[idx] cx, cy = circle_perimeter(center_y, center_x, radius) - image[cy, cx] = 0 + image[cy, cx] = (220, 250, 150) ax.imshow(image, cmap=plt.cm.gray) plt.show()