<s> import os <EOL> import numpy as np <EOL> from . import image_util <EOL> class IntrinsicDecomposition ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , params , input ) : <EOL> self . _input = input <EOL> self . params = params <EOL> self . iter_num = None <EOL> self . stage_num = None <EOL> self . labels_nz = None <EOL> self . intensities = None <EOL> self . chromaticities = None <EOL> self . shading_target = None <EOL> def copy ( self ) : <EOL> ret = IntrinsicDecomposition ( self . params , self . input ) <EOL> ret . iter_num = self . iter_num <EOL> ret . stage_num = self . stage_num <EOL> ret . labels_nz = self . labels_nz . copy ( ) <EOL> ret . intensities = self . intensities . copy ( ) <EOL> ret . chromaticities = self . chromaticities . copy ( ) <EOL> if self . shading_target is not None : <EOL> ret . shading_target = self . shading_target . copy ( ) <EOL> return ret <EOL> def get_r_s_nz ( self ) : <EOL> """<STR_LIT>""" <EOL> s_nz = self . input . image_gray_nz / self . intensities [ self . labels_nz ] <EOL> r_nz = self . input . image_rgb_nz / np . clip ( s_nz , <NUM_LIT> , <NUM_LIT> ) [ : , np . newaxis ] <EOL> assert s_nz . ndim == <NUM_LIT:1> and r_nz . ndim == <NUM_LIT:2> and r_nz . shape [ <NUM_LIT:1> ] == <NUM_LIT:3> <EOL> return r_nz , s_nz <EOL> def get_r_s ( self ) : <EOL> """<STR_LIT>""" <EOL> r_nz , s_nz = self . get_r_s_nz ( ) <EOL> r = np . zeros ( ( self . input . rows , self . input . cols , <NUM_LIT:3> ) , dtype = r_nz . dtype ) <EOL> s = np . zeros ( ( self . input . rows , self . input . cols ) , dtype = s_nz . dtype ) <EOL> r [ self . input . mask_nz ] = r_nz <EOL> s [ self . input . mask_nz ] = s_nz <EOL> assert s . ndim == <NUM_LIT:2> and r . ndim == <NUM_LIT:3> and r . shape [ <NUM_LIT:2> ] == <NUM_LIT:3> <EOL> return r , s <EOL> def get_r_gray ( self ) : <EOL> r_nz = self . intensities [ self . labels_nz ] <EOL> r = np . zeros ( ( self . input . rows , self . input . cols ) , dtype = r_nz . dtype ) <EOL> r [ self . input . mask_nz ] = r_nz <EOL> return r <EOL> def get_labels_visualization ( self ) : <EOL> colors = self . get_reflectances_rgb ( ) <EOL> colors = np . vstack ( ( colors , [ <NUM_LIT:0.0> , <NUM_LIT:0.0> , <NUM_LIT:0.0> ] ) ) <EOL> labels = self . get_labels ( ) <EOL> labels [ labels == - <NUM_LIT:1> ] = self . nlabels <EOL> v = colors [ labels , : ] <EOL> return v <EOL> def get_reflectances_rgb ( self ) : <EOL> nlabels = self . intensities . shape [ <NUM_LIT:0> ] <EOL> rgb = np . zeros ( ( nlabels , <NUM_LIT:3> ) ) <EOL> s = <NUM_LIT> * self . intensities <EOL> r = self . chromaticities [ : , <NUM_LIT:0> ] <EOL> g = self . chromaticities [ : , <NUM_LIT:1> ] <EOL> b = <NUM_LIT:1.0> - r - g <EOL> rgb [ : , <NUM_LIT:0> ] = s * r <EOL> rgb [ : , <NUM_LIT:1> ] = s * g <EOL> rgb [ : , <NUM_LIT:2> ] = s * b <EOL> return rgb <EOL> def visualize_html ( self ) : <EOL> raise NotImplementedError ( "<STR_LIT>" ) <EOL> @ property <EOL> def nlabels ( self ) : <EOL> return self . intensities . shape [ <NUM_LIT:0> ] <EOL> @ property <EOL> def input ( self ) : <EOL> return self . _input <EOL> def get_labels ( self ) : <EOL> """<STR_LIT>""" <EOL> labels = np . empty ( ( self . input . rows , self . input . cols ) , dtype = np . int32 ) <EOL> labels . fill ( - <NUM_LIT:1> ) <EOL> labels [ self . input . mask_nz ] = self . labels_nz <EOL> return labels <EOL> def save ( self , solver , out_dir , save_extra = False , id = None ) : <EOL> """<STR_LIT>""" <EOL> if not id : <EOL> id = self . input . id <EOL> if not id : <EOL> raise ValueError ( "<STR_LIT>" ) <EOL> if not os . path . exists ( out_dir ) : <EOL> os . makedirs ( out_dir ) <EOL> basename = os . path . join ( out_dir , str ( self . input . id ) ) <EOL> r , s = self . get_r_s ( ) <EOL> r_filename = '<STR_LIT>' % basename <EOL> image_util . save ( r_filename , r , mask_nz = solver . input . mask_nz , <EOL> rescale = True ) <EOL> s_filename = '<STR_LIT>' % basename <EOL> image_util . save ( s_filename , s , mask_nz = solver . input . mask_nz , <EOL> rescale = True ) <EOL> if save_extra : <EOL> r_gray_filename = '<STR_LIT>' % basename <EOL> r_gray = self . get_r_gray ( ) <EOL> image_util . save ( r_gray_filename , r_gray , <EOL> mask_nz = solver . input . mask_nz , rescale = True ) <EOL> labels_filename = '<STR_LIT>' % basename <EOL> labels_image = self . get_labels_visualization ( ) <EOL> image_util . save ( labels_filename , labels_image , <EOL> mask_nz = solver . input . mask_nz , rescale = True ) </s>
