ó
 ‰\c           @   s´  d  d l  Z d  d l m Z m Z m Z m Z m Z d  d l m	 Z	 d  d l
 m Z d  d l Z d  d l m Z d  d l m Z m Z m Z m Z d  d l m Z d  d l m Z e e j ƒ d	 k rå e e j ƒ d
 k rå d Z n d Z e j j d ƒ e e j ƒ  d d … d d … f ƒ Z e j  e ƒ Z! e e j" ƒ  ƒ Z# e j$ e# ƒ Z" d „  Z% d „  Z& d „  Z' d „  Z( d „  Z) d „  Z* d „  Z+ d „  Z, d „  Z- d „  Z. d „  Z/ d „  Z0 d „  Z1 d „  Z2 d „  Z3 d „  Z4 d „  Z5 d „  Z6 d  „  Z7 d! „  Z8 d" „  Z9 d# „  Z: d$ „  Z; d% „  Z< d& „  Z= d' „  Z> d( „  Z? d) „  Z@ d* „  ZA d+ „  ZB d, „  ZC d- „  ZD d. „  ZE d/ „  ZF d0 „  ZG d1 „  ZH eI d2 k r°e jJ ƒ  n  d S(3   iÿÿÿÿN(   t   restorationt   datat   colort   img_as_floatt   measure(   t   compare_psnr(   t   _wavelet_threshold(   t   testing(   t   assert_equalt   assert_almost_equalt   assert_warnst   assert_(   t   expected_warnings(   t   LooseVersions   1.15.0s   0.5.2s'   non-tuple sequence for multidimensionaliÒ  i€   c          C   s  t  j ƒ  }  |  d |  j ƒ  t j j |  j Œ  7}  t j |  d d ƒ }  t j	 |  d d ƒ} t
 | j t j t j t j g k ƒ d d l m } | j |  d d ƒ} | j | d d ƒ} t
 | j t j k ƒ t
 t j | d
 j ƒ  ƒ t j | d
 j ƒ  ƒ k  ƒ d  S(   Ng      à?i    i   t   weightgš™™™™™¹?iÿÿÿÿ(   t   ndimaget   sizei   i   (   i   i   (   i   i   (   t
   astro_grayt   copyt   stdt   npt   randomt   randt   shapet   clipR    t   denoise_tv_chambolleR   t   dtypet   floatt   float32t   float64t   scipyR   t   morphological_gradientt   sqrtt   sum(   t   imgt   denoised_astrot   ndit   gradt   grad_denoised(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_tv_chambolle_2d   s    '%c          C   s  t  j t d	 d d ƒ}  t  j t d d d t ƒ} t | d
 |  ƒ t j t d  d … d  d … t j d  d  … f d d d d g ƒ } d | d  d  … d  d  … d d  d  … f | d  d  … d  d  … d d  d  … f <t  j | d d d ƒ}  t  j | d d d t ƒ} t | d |  ƒ d  S(   N.i    R   gš™™™™™¹?t   multichanneli@   i   i   (   .i    (   .i    (   .i    (   .i    (   R    R   t   astrot   TrueR   R   t   tilet   newaxis(   t	   denoised0t   denoisedt   astro3(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt&   test_denoise_tv_chambolle_multichannel2   s    	CN	c          C   sž   t  }  t j |  d ƒ j t j ƒ } t t j | ƒ d k ƒ t j | d d ƒ} t | j	 t j
 k ƒ t t j | ƒ d k ƒ t t j | ƒ d k ƒ d  S(   Niÿ   i   R   gš™™™™™¹?g      ð?g        (   R   R   t   multiplyt   astypet   uint8R   t   maxR    R   R   R   t   min(   R"   t	   int_astrot   denoised_int_astro(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt,   test_denoise_tv_chambolle_float_result_rangeB   s    	c          C   s  t  j d d … d d … d d … f \ }  } } |  d d | d d | d d d k  } d | j t  j ƒ } | d	 7} | d t  j j | j Œ  7} d | | d k  <d
 | | d
 k <t j | j t  j	 ƒ d d ƒ} t
 | j t  j k ƒ t
 | j ƒ  d
 | j ƒ  k  ƒ d S(   sE   Apply the TV denoising algorithm on a 3D image representing a sphere.i    i(   i   i   i   i   i   id   i<   iÿ   R   gš™™™™™¹?Ni@   (   R   t   ogridR2   R   R   R   R   R    R   R3   R   R   R   (   t   xt   yt   zt   maskt   res(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_tv_chambolle_3dO   s    1,
!c          C   sº   d d t  j t  j d d t  j d ƒ ƒ }  |  d t  j j |  j ƒ 7}  t  j |  d d ƒ }  t j	 |  j
 t  j ƒ d d	 ƒ} t | j t  j k ƒ t | j ƒ  d |  j ƒ  k  ƒ d
 S(   s2   Apply the TV denoising algorithm on a 1D sinusoid.i}   id   i    i   iè  i   iÿ   R   gš™™™™™¹?N(   R   t   sint   linspacet   piR   R   R   R   R    R   R2   R3   R   R   R   R   (   R:   R>   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_tv_chambolle_1d]   s    -!c          C   sz   d t  j j d d d d ƒ }  t j |  j t  j ƒ d d ƒ} t | j t  j	 k ƒ t | j
 ƒ  d |  j
 ƒ  k  ƒ d S(   s    TV denoising for a 4D input.iÿ   i   R   gš™™™™™¹?N(   R   R   R   R    R   R2   R3   R   R   R   R   (   t   imR>   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_tv_chambolle_4dg   s    !c          C   sÏ   t  j j d ƒ }  t j ƒ  } | d |  j | j ƒ 7} t  j | d d ƒ } t  j | d
 d ƒ } d } t
 j | d | ƒ} t
 j | d | ƒ} t t j | | d  d  … d  d  … d d f ƒ d	 k ƒ d  S(   NiÒ  g333333Ã?i    i   .i   gš™™™™™É?R   g®Gáz®ï?(   .NN(   i   i   i   i   (   R   R   t   RandomStateR   R   t   standard_normalR   R   R+   t   NoneR    R   R   R   t   compare_ssim(   t   rstatet   img2dt   img4dt   wt   denoised_2dt   denoised_4d(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt#   test_denoise_tv_chambolle_weightingo   s    c          C   s  t  j ƒ  }  |  d |  j ƒ  t j j |  j Œ  7}  t j |  d d ƒ }  t j	 |  d d ƒ} t j	 |  d d ƒ} t
 |  d d … d d	 … f j ƒ  | d d … d d	 … f j ƒ  k ƒ t
 | d d … d d	 … f j ƒ  | d d … d d	 … f j ƒ  k ƒ d  S(
   Ng      à?i    i   R   i
   i   i   i-   i   (   t   checkerboard_grayR   R   R   R   R   R   R   R    t   denoise_tv_bregmanR   (   R"   t   out1t   out2(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_tv_bregman_2d   s    'Hc          C   s¤   t  j ƒ  }  t j |  d ƒ j t j ƒ } t t j | ƒ d k ƒ t j	 | d d ƒ} t | j
 t j k ƒ t t j | ƒ d k ƒ t t j | ƒ d k ƒ d  S(   Niÿ   i   R   g      N@g      ð?g        (   R   R   R   R1   R2   R3   R   R4   R    RR   R   R   R5   (   R"   R6   R7   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt*   test_denoise_tv_bregman_float_result_range   s    c          C   s  t  j ƒ  }  |  d |  j ƒ  t j j |  j Œ  7}  t j |  d d ƒ }  t j	 |  d d ƒ} t j	 |  d d ƒ} t
 |  d d … d d	 … f j ƒ  | d d … d d	 … f j ƒ  k ƒ t
 | d d … d d	 … f j ƒ  | d d … d d	 … f j ƒ  k ƒ d  S(
   Ng      à?i    i   R   i
   i   i   i-   i   (   t   checkerboardR   R   R   R   R   R   R   R    RR   R   (   R"   RS   RT   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_tv_bregman_3d›   s    'Hc          C   s4  t  j ƒ  d  d … d  d … f }  |  d |  j ƒ  t j j |  j Œ  7}  t j |  d d ƒ }  t j	 |  d d d d d	 t
 ƒ} t j	 |  d d
 d d d	 t
 ƒ} t |  d d … d d … f j ƒ  | d d … d d … f j ƒ  k ƒ t | d d … d d … f j ƒ  | d d … d d … f j ƒ  k ƒ d  S(   Ni2   g      à?i    i   t   sigma_colorgš™™™™™¹?t   sigma_spatiali
   R(   gš™™™™™É?i   i   i-   i   i   (   RQ   R   R   R   R   R   R   R   R    t   denoise_bilateralt   FalseR   (   R"   RS   RT   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_bilateral_2d©   s    "'Hc          C   s/   t  j d ƒ }  t |  t j |  d t ƒƒ d  S(   Ni
   R(   (   i
   i
   (   R   t   zerosR   R    R[   R\   (   R"   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_bilateral_zeros¹   s    c          C   s3   t  j d ƒ d }  t |  t j |  d t ƒƒ d  S(   Ni
   i   R(   (   i
   i
   (   R   t   onesR   R    R[   R\   (   R"   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_bilateral_constant¾   s    c          C   s4  t  j ƒ  d  d … d  d … f }  |  d |  j ƒ  t j j |  j Œ  7}  t j |  d d ƒ }  t j	 |  d d d d d	 t
 ƒ} t j	 |  d d
 d d d	 t
 ƒ} t |  d d … d d … f j ƒ  | d d … d d … f j ƒ  k ƒ t | d d … d d … f j ƒ  | d d … d d … f j ƒ  k ƒ d  S(   Ni2   g      à?i    i   RY   gš™™™™™¹?RZ   i
   R(   gš™™™™™É?i   i   i-   i   i   (   RW   R   R   R   R   R   R   R   R    R[   R*   R   (   R"   RS   RT   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_bilateral_colorÃ   s    "'Hc          C   s<   t  j d ƒ }  t j t ƒ  t j |  d t ƒWd  QXd  S(   Ni2   i   R(   (   i2   i2   i   (   R   R`   R   t   raisest
   ValueErrorR    R[   R\   (   R"   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt#   test_denoise_bilateral_3d_grayscaleÓ   s    c          C   sK   t  j d ƒ }  t d g ƒ  t j |  d t ƒ} Wd  QXt | |  ƒ d  S(   Ni2   t	   grayscaleR(   (   i2   i2   i2   (   R   R`   R   R    R[   R*   R   (   R"   t   result(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt&   test_denoise_bilateral_3d_multichannelÙ   s    c       	   C   se   t  j d ƒ }  t j t ƒ  t j |  d t ƒWd  QXt j t ƒ  t j |  d t ƒWd  QXd  S(   Ni
   R(   (   i
   i
   i
   i
   (	   R   R`   R   Rc   Rd   R    R[   R\   R*   (   R"   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt'   test_denoise_bilateral_multidimensionalá   s
    c          C   s]   d d  l  }  t j d t j ƒ } t d g ƒ  t j | d t ƒ} Wd  QXt | | ƒ d  S(   Niÿÿÿÿi2   s   invalid|\A\ZR(   (   i2   i2   (	   t   sysR   t   fullt   NaNR   R    R[   R\   R   (   Rj   R"   t   out(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_bilateral_nané   s
    c          C   sõ   t  j d ƒ }  d |  d d … d d … f <d } |  | t  j j |  j Œ  7}  x  | d g D]’ } t j |  d d d	 d
 t d t d | ƒ} t |  j	 ƒ  | j	 ƒ  k ƒ t j |  d d d	 d
 t
 d t d | ƒ} t |  j	 ƒ  | j	 ƒ  k ƒ q[ Wd  S(   Ni(   g      ð?i
   iöÿÿÿg333333Ó?i    i   i   gš™™™™™É?t	   fast_modeR(   t   sigma(   i(   i(   (   R   R^   R   t   randnR   R    t   denoise_nl_meansR*   R   R   R\   (   R"   Rp   t   sR.   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_nl_means_2dô   s    c    	      C   sn  t  j t d  d … d  d … f ƒ }  t  j |  f d ƒ }  d } |  | t  j j |  j ƒ } t  j | d d ƒ } xô t t	 g D]æ } xÝ | d g D]Ï } xÆ d d d g D]µ } t
 |  d d  | … f | d d  | … f ƒ } t j | d d  | … f d d	 d
 d | d | d t d | ƒ} t
 | d d  | … f |  d d  | … f ƒ } t | | k ƒ q© Wq“ Wq€ Wd  S(   Ni2   i   gš™™™™™¹?i    i   i   i   .i   t   hg      è?Ro   R(   Rp   (   R   R   R)   t   concatenateR   RG   R   R   R*   R\   R   R    Rr   R   (	   R"   Rp   t   imgnRo   Rs   t
   n_channelst
   psnr_noisyR.   t   psnr_denoised(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt%   test_denoise_nl_means_2d_multichannel  s$    %	c          C   s  t  j d ƒ }  d |  d d … d d … d d … f <d } |  | t  j j |  j Œ  } t |  | ƒ } x¨ | d	 g D]š } t j | d
 d d d | d t d t	 d | ƒ} t
 t |  | ƒ | k ƒ t j | d
 d d d | d t	 d t	 d | ƒ} t
 t |  | ƒ | k ƒ qs Wd  S(   Ni   i   g      ð?i   iûÿÿÿi   iþÿÿÿg333333Ó?i    i   i   Ru   g      è?Ro   R(   Rp   (   i   i   i   (   R   R^   R   Rq   R   R   R    Rr   R*   R\   R   (   R"   Rp   Rw   Ry   Rs   R.   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_denoise_nl_means_3d  s    %c       	   C   sÓ   t  j d ƒ }  d |  d d d … d d … f <d	 } |  | t  j j |  j Œ  } t j | d
 d d | d t d t ƒ} t j | d
 d d | d t d t ƒ} t	 |  | ƒ } t	 |  | ƒ } t
 | | k ƒ d  S(   Ni   i
   i   g      ð?i   i   i   iþÿÿÿg333333Ó?i   g333333ã?Ro   R(   (   i   i
   i   (   R   R^   R   Rq   R   R    Rr   R*   R\   R   R   (   R"   Rp   Rw   t   denoised_wrong_multichannelt   denoised_ok_multichannelt
   psnr_wrongt   psnr_ok(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt"   test_denoise_nl_means_multichannel1  s    ""c          C   s<   t  j d ƒ }  t j t ƒ  t j |  d t ƒWd  QXd  S(   Ni   R(   (   i   i   i   i   (   R   R^   R   Rc   t   NotImplementedErrorR    Rr   R*   (   R"   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt%   test_denoise_nl_means_wrong_dimension@  s    c       	   C   sÀ   t  j d ƒ }  d |  d d … d d … f <|  d t  j j |  j Œ  7}  t j |  d d d d	 t d
 t ƒ} t t  j	 | |  ƒ ƒ t j |  d d d d	 t
 d
 t ƒ} t t  j	 | |  ƒ ƒ d  S(   Ni(   g      ð?i
   iöÿÿÿg333333Ó?i   i   g{®Gáz„?Ro   R(   (   i(   i(   (   R   R^   R   Rq   R   R    Rr   R*   R   t   allcloseR\   (   R"   R.   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_no_denoising_for_small_hF  s    		c          C   sq  t  j j d ƒ }  t d  d  … d  d … f } t d  d  … d  d … f } x t t t f | t t f | t t f | t t f g D]è\ } } } d } | | |  j | j Œ  } t  j	 | d d ƒ } t
 t g ƒ & t j | d | d | d | ƒ} Wd  QXt | | ƒ }	 t | | ƒ }
 t |
 |	 k ƒ t
 t g ƒ   t j | d | d | ƒ} Wd  QXt | | ƒ }	 t | | ƒ }
 t |
 |	 k ƒ t j | d | d	 d d | ƒ} t | | ƒ } t |
 | k ƒ t | |	 k ƒ t
 t g ƒ $ t j | d d
 | d | ƒ} Wd  QXt
 t g ƒ   t j | d | d | ƒ} Wd  QXt t  j | d
 ƒ t  j | d
 ƒ k ƒ q Wd  S(   NiÒ  iÿÿÿÿgš™™™™™¹?i    i   Rp   R(   t   convert2ycbcrt   wavelet_levelsi   (   R   R   RF   R   R)   R\   R*   Rq   R   R   R   t   PYWAVELET_ND_INDEXING_WARNINGR    t   denoise_waveletR   R   R!   (   RJ   t   astro_gray_oddt	   astro_oddR"   R(   R†   Rp   t   noisyR.   Ry   Rz   t
   denoised_1t   psnr_denoised_1t   res1t   res2(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_wavelet_denoisingS  sL    	c          C   s  t  j j d ƒ }  t } d } | | |  j | j Œ  } t  j | d d ƒ } t t g ƒ # t	 | d d d d  d | ƒ} Wd  QXt | | ƒ } t | | ƒ } t | | k ƒ t j t ƒ ! t	 | d d d d  d d  ƒWd  QXt d	 t g ƒ ! t	 | d d d d
 d | ƒWd  QXd  S(   NiÒ  gš™™™™™¹?i    i   t   wavelett   db1t   methodt	   thresholds   Thresholding method t   BayesShrink(   R   R   RF   R   Rq   R   R   R   Rˆ   R   RH   R   R   R   Rc   Rd   (   RJ   R"   Rp   RŒ   R.   Ry   Rz   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_wavelet_threshold‡  s"    "c    
   
   C   sD  t  j j d ƒ }  x+d d g D]} xt d d ƒ D]} | d k  ra d t  j d | ƒ } n d t  j d | ƒ } d
 | t d d ƒ f | <d } | | |  j | j Œ  } t  j | d d ƒ } | d k  rÙ t	 n d  } t | g ƒ  t j | d | ƒ} Wd  QXt | | ƒ } t | | ƒ }	 t |	 | k ƒ q5 Wq Wd  S(   NiÒ  t
   VisuShrinkR–   i   i   i   gš™™™™™É?i€   i   gš™™™™™é?i   gš™™™™™¹?i    R”   (   i€   (   i   (   R   R   RF   t   rangeR`   t   sliceRq   R   R   Rˆ   RH   R   R    R‰   R   R   (
   RJ   R”   t   ndimR"   Rp   RŒ   t   anticipated_warningsR.   Ry   Rz   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_wavelet_denoising_nd¢  s     	c           C   s6   t  j t ƒ ! t j t j d ƒ d d ƒWd  QXd  S(   Ni   R”   t   Unimplemented(   R   Rc   Rd   R    R‰   R   R`   (    (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_wavelet_invalid_methodÁ  s    c          C   s'  t  j j d ƒ }  d } d } d } d t  j | f | ƒ } d | t d d ƒ f | <d	 } | | |  j | j Œ  } t  j | d
 d ƒ } t t	 g ƒ  t
 j | d | ƒ} Wd  QXt
 j | d | d d ƒ} t | | ƒ }	 t | | ƒ }
 t | | ƒ } t |
 | k o|	 k n ƒ t j t  j | j ƒ t j | ƒ j ƒ } t t j ƒ d k  r«t j t ƒ 8 t t	 g ƒ " t
 j | d | d | d ƒWd  QXWd  QXn3 t d g ƒ " t
 j | d | d | d ƒWd  QXt j t ƒ 4 t t	 g ƒ  t
 j | d | d d ƒWd  QXWd  QXd  S(   NiÒ  i   i   R“   gš™™™™™É?gš™™™™™é?i   i   gš™™™™™¹?i    i   R’   R‡   s   1.0.0s1   all coefficients will experience boundary effectsiÿÿÿÿ(   R   R   RF   R`   Rš   Rq   R   R   R   Rˆ   R    R‰   R   R   t   pywtt   dwt_max_levelR5   t   Wavelett   dec_lent   Versiont   __version__R   Rc   Rd   (   RJ   R›   t   NR’   R"   Rp   RŒ   R.   R   Ry   Rz   RŽ   t	   max_level(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_wavelet_denoising_levelsÆ  sB    	 &c          C   sj   t  j j d ƒ }  t j ƒ  } d } | | |  j | j ƒ 7} t j | d t	 ƒ} t
 | | d d ƒd  S(   NiÒ  gš™™™™™¹?R(   t   decimali   (   R   R   RF   R   R   RG   R   R    t   estimate_sigmaR\   R	   (   RJ   R"   Rp   t	   sigma_est(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_estimate_sigma_grayõ  s    c          C   s™   t  j j d ƒ }  t  j d
 ƒ } t d d ƒ t d d ƒ f } d | | <d } | |  j | | j ƒ | | <t j | d t	 ƒ} t
 | | d d	 ƒd  S(   NiÒ  i€   i    i`   gš™™™™™é?gš™™™™™¹?R(   R©   i   (   i€   i€   (   R   R   RF   R^   Rš   RG   R   R    Rª   R\   R	   (   RJ   R"   t
   center_roiRp   R«   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt    test_estimate_sigma_masked_image  s    
c          C   sÏ   t  j j d ƒ }  t j ƒ  } d } | | |  j | j ƒ 7} t j | d t	 d t	 ƒ} t
 | | d d ƒt j | d t	 d t ƒ} t t | ƒ | j d ƒ t
 | d | d d ƒt t t j | ƒ d  S(	   NiÒ  gš™™™™™¹?R(   t   average_sigmasR©   i   iÿÿÿÿi    (   R   R   RF   R)   R   RG   R   R    Rª   R*   R	   R\   R   t   lenR
   t   UserWarning(   RJ   R"   Rp   R«   t
   sigma_list(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_estimate_sigma_color  s    		c          C   sï   t  }  |  j ƒ  d t j j |  j Œ  } x¿ t t g D]± } x¨ t t g D]š } | r[ t n d } x d d d d g d g D]e } | rŽ | sz t
 | t ƒ rª | rª qz n  t | g ƒ $ t j | d | d | d | ƒWd QXqz WqI Wq6 Wd S(   s¹   
    Some of the functions inside wavelet denoising throw an error the wrong
    arguments are passed. This protects against that and verifies that all
    arguments can be passed.
    gš™™™™™¹?Rp   R†   R(   N(   R)   R   R   R   Rq   R   R*   R\   Rˆ   RH   t
   isinstancet   listR   R    R‰   (   R"   RŒ   R†   R(   Rœ   Rp   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_wavelet_denoising_args'  s    #c          C   s6   t  j ƒ  }  t t t j |  ƒ t t t j |  ƒ d  S(   N(   R   t	   astronautR
   R±   R    R[   Rr   (   R"   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_multichannel_warnings>  s    c          C   sß  d }  t  j j d ƒ } xÀt t f D]²} | r‚ t } d d d d d g } d d d d g } d d d g } d d d d g } nE t } d d d d g } d d d g } d d g } d d  d! d" g } | j ƒ  d | j | j	 Œ  } t
 j }	 t d |  d | ƒ }
 t t g ƒ 8 t
 j | |	 d	 d d
 |
 d | ƒ} |	 | |
  } Wd  QXt | | ƒ xj | D]b } t t g ƒ ) t
 j | |	 d	 | d
 |
 d | ƒ} Wd  QXt t | | ƒ t | | ƒ k ƒ qbWxp | D]h } t t g ƒ / t
 j | |	 d	 d d | d
 |
 d | ƒ} Wd  QXt t | | ƒ t | | ƒ k ƒ qÏWxH | D]@ } t j t ƒ ) t
 j | |	 d	 | d
 |
 d | ƒ} Wd  QXqBWxN | D]F } t j t ƒ / t
 j | |	 d	 d d | d
 |
 d | ƒ} Wd  QXqWq% Wd  S(#   Ngš™™™™™¹?iÒ  i   i    i   iÿÿÿÿRp   R(   t
   max_shiftst   func_kwt   shift_steps(   i    i   (   i   i    (   i   i   (   i   i   i    (   i   i   (   i   i   i   (   i   i   i   (   i   (   i   i   i    i   (   i   (   i   i   i   i   (   i    i   (   iÿÿÿÿiÿÿÿÿ(   i    i   (   i   i    (   i   i   (   i   i   (   i   i   i   (   i   (   i   (   i   i   i   (   i    i   (   iÿÿÿÿiÿÿÿÿ(   R   R   RF   R*   R\   R)   R   R   Rq   R   R    R‰   t   dictR   Rˆ   t
   cycle_spinR   R   R   R   Rc   Rd   (   Rp   RJ   R(   R"   t   valid_shiftst   valid_stepst   invalid_shiftst   invalid_stepsRŒ   t   denoise_funcRº   t   dn_cct   dnR¹   R»   (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt    test_cycle_spinning_multichannelD  sf     		&&c    	      C   s  t  }  d } t j j d ƒ } |  j ƒ  d | j |  j Œ  } t j } t	 d | d t
 ƒ } t t g ƒ ƒ t j | | d d d | d t d d ƒ} t j | | d d d | d t d d	 ƒ} t j | | d d d | d t d d  ƒ} Wd  QXt | | ƒ t | | ƒ d  S(
   Ngš™™™™™¹?iÒ  Rp   R(   R¹   i   Rº   t   num_workersi   (   R   R   R   RF   R   Rq   R   R    R‰   R¼   R*   R   Rˆ   R½   R\   RH   R	   (	   R"   Rp   RJ   RŒ   RÂ   Rº   t   dn_cc1t   dn_cc2t   dn_cc3(    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   test_cycle_spinning_num_workersˆ  s$     			t   __main__(K   t   numpyR   t   skimageR    R   R   R   R   t   skimage.measureR   t   skimage.restoration._denoiseR   R    t   skimage._sharedR   t   skimage._shared.testingR   R	   R
   R   t   skimage._shared._warningsR   t   distutils.versionR   R¤   R¥   Rˆ   RH   R   t   seedR·   R)   t   rgb2grayR   RW   RQ   t   gray2rgbR'   R0   R8   R?   RC   RE   RP   RU   RV   RX   R]   R_   Ra   Rb   Re   Rh   Ri   Rn   Rt   R{   R|   R   Rƒ   R…   R‘   R—   R   RŸ   R¨   R¬   R®   R³   R¶   R¸   RÅ   RÊ   t   __name__t   run_module_suite(    (    (    sE   lib/python2.7/site-packages/skimage/restoration/tests/test_denoise.pyt   <module>   sn   ("	(					
																				4				/						D	