April 2020
Intermediate to advanced
438 pages
12h 2m
English
Content preview from Python Image Processing Cookbook
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Getting ready
In this recipe, we shall use the Lena grayscale image for reconstruction with dictionary learning. Let's start by importing the required libraries and the relevant modules:
from skimage.io import imreadfrom skimage.color import rgb2grayfrom sklearn.decomposition import MiniBatchDictionaryLearningfrom sklearn.feature_extraction.image import extract_patches_2dfrom sklearn.feature_extraction.image import reconstruct_from_patches_2dimport numpy as npimport matplotlib.pylab as pltfrom time import time
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