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@@ -5,10 +5,11 @@ from scipy import misc
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import numpy as np
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from sklearn import preprocessing
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+from skimage import io, color
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def get_SVD(image):
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"""
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- @brief Transforms PIL Image into SVD
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+ @brief Transforms Image into SVD
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@param image to convert
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@return U, s, V image decomposition
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"""
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@@ -16,7 +17,7 @@ def get_SVD(image):
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def get_SVD_s(image):
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"""
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- @brief Transforms PIL Image into SVD and returns only 's' part
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+ @brief Transforms Image into SVD and returns only 's' part
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@param image to convert
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@return s
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"""
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@@ -25,7 +26,7 @@ def get_SVD_s(image):
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def get_SVD_U(image):
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"""
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- @brief Transforms PIL Image into SVD and returns only 'U' part
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+ @brief Transforms Image into SVD and returns only 'U' part
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@param image to convert
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@return U
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"""
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@@ -34,9 +35,87 @@ def get_SVD_U(image):
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def get_SVD_V(image):
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"""
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- @brief Transforms PIL Image into SVD and returns only 'V' part
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+ @brief Transforms Image into SVD and returns only 'V' part
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@param image to convert
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@return V
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"""
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U, s, V = svd(image, full_matrices=False)
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return V
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+
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+def get_LAB(image):
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+ """
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+ @brief Transforms PIL RGB Image into LAB
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+ @param image to convert
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+ @return Lab information
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+ """
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+ rgb = io.imread(image.filename)
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+ return color.rgb2lab(rgb)
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+
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+def get_LAB_L(image):
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+ """
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+ @brief Transforms PIL RGB Image into LAB and returns L
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+ @param image to convert
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+ @return Lab information
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+ """
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+ rgb = io.imread(image.filename)
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+ lab = color.rgb2lab(rgb)
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+ return lab[:, :, 0]
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+
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+def get_LAB_A(image):
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+ """
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+ @brief Transforms PIL RGB Image into LAB and returns A
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+ @param image to convert
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+ @return Lab information
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+ """
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+ rgb = io.imread(image.filename)
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+ lab = color.rgb2lab(rgb)
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+ return lab[:, :, 1]
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+
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+def get_LAB_B(image):
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+ """
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+ @brief Transforms PIL RGB Image into LAB and returns B
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+ @param image to convert
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+ @return Lab information
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+ """
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+ rgb = io.imread(image.filename)
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+ lab = color.rgb2lab(rgb)
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+ return lab[:, :, 2]
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+
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+def get_XYZ(image):
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+ """
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+ @brief Transforms PIL RGB Image into XYZ
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+ @param image to convert
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+ @return Lab information
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+ """
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+ rgb = io.imread(image.filename)
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+ return color.rgb2xyz(rgb)
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+
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+def get_XYZ_X(image):
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+ """
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+ @brief Transforms PIL RGB Image into XYZ and returns X
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+ @param image to convert
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+ @return Lab information
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+ """
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+ rgb = io.imread(image.filename)
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+ xyz = color.rgb2xyz(rgb)
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+ return xyz[:, :, 0]
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+
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+def get_XYZ_Y(image):
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+ """
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+ @brief Transforms PIL RGB Image into XYZ and returns Y
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+ @param image to convert
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+ @return Lab information
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+ """
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+ rgb = io.imread(image.filename)
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+ xyz = color.rgb2xyz(rgb)
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+ return xyz[:, :, 1]
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+
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+def get_XYZ_Z(image):
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+ """
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+ @brief Transforms PIL RGB Image into XYZ and returns Z
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+ @param image to convert
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+ @return Lab information
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+ """
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+ rgb = io.imread(image.filename)
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+ xyz = color.rgb2xyz(rgb)
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+ return xyz[:, :, 2]
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