From ccd2f4264308979b56867388e7b5cc7a1beea26f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Johannes=20Sch=C3=B6nberger?= Date: Fri, 2 Nov 2012 20:18:49 +0100 Subject: [PATCH] Update denoising example for new TV implementation --- doc/examples/plot_denoise.py | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/doc/examples/plot_denoise.py b/doc/examples/plot_denoise.py index 8f02f21b..cfcec5e4 100644 --- a/doc/examples/plot_denoise.py +++ b/doc/examples/plot_denoise.py @@ -32,7 +32,7 @@ import matplotlib.pyplot as plt from skimage import data, color, img_as_float from skimage.filter import denoise_tv, denoise_bilateral -lena = img_as_float(data.lena()) +lena = color.rgb2gray(img_as_float(data.lena())) lena = lena[220:300, 220:320] noisy = lena + 0.5 * lena.std() * np.random.random(lena.shape) @@ -40,17 +40,19 @@ noisy = np.clip(noisy, 0, 1) fig, ax = plt.subplots(nrows=2, ncols=3, figsize=(8, 5)) +plt.gray() + ax[0, 0].imshow(noisy) ax[0, 0].axis('off') ax[0, 0].set_title('noisy') -ax[0, 1].imshow(denoise_tv(noisy, weight=0.1)) +ax[0, 1].imshow(denoise_tv(noisy, weight=40)) ax[0, 1].axis('off') ax[0, 1].set_title('TV') ax[0, 2].imshow(denoise_bilateral(noisy, sigma_range=0.03, sigma_spatial=15)) ax[0, 2].axis('off') ax[0, 2].set_title('Bilateral') -ax[1, 0].imshow(denoise_tv(noisy, weight=0.2)) +ax[1, 0].imshow(denoise_tv(noisy, weight=20)) ax[1, 0].axis('off') ax[1, 0].set_title('(more) TV') ax[1, 1].imshow(denoise_bilateral(noisy, sigma_range=0.06, sigma_spatial=15))