From e822e5a556b30eaf21d7c2b0a72336409b3cf15e Mon Sep 17 00:00:00 2001 From: Charles Date: Tue, 22 Sep 2015 11:14:33 +0200 Subject: [PATCH] DOC : add ref to nlmeans in the API --- skimage/restoration/non_local_means.py | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/skimage/restoration/non_local_means.py b/skimage/restoration/non_local_means.py index c7bb22b9..d9e3dac4 100644 --- a/skimage/restoration/non_local_means.py +++ b/skimage/restoration/non_local_means.py @@ -69,6 +69,8 @@ def denoise_nl_means(image, patch_size=7, patch_distance=11, h=0.1, shift, that reduces the number of operations [1]_. Therefore, this algorithm executes faster than the classic algorith (``fast_mode=False``), at the expense of using twice as much memory. + This implementation has been proven to be more efficient compared to + other alternatives, see e.g. [3]_. Compared to the classic algorithm, all pixels of a patch contribute to the distance to another patch with the same weight, no matter @@ -84,9 +86,14 @@ def denoise_nl_means(image, patch_size=7, patch_distance=11, h=0.1, References ---------- .. [1] Buades, A., Coll, B., & Morel, J. M. (2005, June). A non-local - algorithm for image denoising. In CVPR 2005, Vol. 2, pp. 60-65, IEEE. + algorithm for image denoising. In CVPR 2005, Vol. 2, pp. 60-65, IEEE. - .. [2] Jacques Froment. Parameter-Free Fast Pixelwise Non-Local Means + .. [2] J. Darbon, A. Cunha, T.F. Chan, S. Osher, and G.J. Jensen, Fast + nonlocal filtering applied to electron cryomicroscopy, in 5th IEEE + International Symposium on Biomedical Imaging: From Nano to Macro, + 2008, pp. 1331–1334. + + .. [3] Jacques Froment. Parameter-Free Fast Pixelwise Non-Local Means Denoising. Image Processing On Line, 2014, vol. 4, p. 300-326. Examples