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 12 3E++EqTRI++EqTRI ;;)// )) ) ;;)// )) ) 77266) 0Ba0G&HHI JT QQ Qr/c[R"S5nUS- nUR[R5n[R "US5n[R "U5[R"U5:Xde[R"S5nUS- nUR[R5n[R "US5n[R "U5[R"U5:Xdeg)z#Test constant image, float and uintrr^rWrN) rr_rrr rrYrZr)rxrs r%test_adapthist_constantrs ((6 C1HC **RYY C))#q1G 66'?bffWo -- - ((6 C3JC **RZZ C))#q1G 66'?bffWo -- -r/c[[R"[R"555nUS-nSXR SS-UR SS-4'Sn[ SSS5HVn[R"XS S 9n[US S 2U4US S 2U45S :de[X1S S 24XS S 245S :aMVe g ) zTest border processinggY@rrr^r)rrGrTrNr) r r rr rr;r:r rr)rx border_indexrrs r%test_adapthist_bordersr!s 4$$T^^%56 7C5LC03C ! 399Q<1,,-LRQ' --c3O"71l?#;SL=QRUXXXX"7?#;Sq=QRUXXXX (r/c.[R"5n[R"U5n[R "USS9n[R "USS9n[ X#5 [R "USS9n[R "USS9n[ X#5 g)Nrrr))r moonr rr rr)img_uimg_f img_clahe0 img_clahe1s r%test_adapthist_clip_limitr( sy IIKE   e $E,,UqAJ,,UqAJz.,,UqAJ,,UqAJz.r/cURS:Xa1[UR55[UR55p[R"U5n[R"U5nSUR - [ R"X- 5R5-n[URRup4S[ R"XB- 5-$)zPeak signal to noise ratio of two images Parameters ---------- img1 : array-like img2 : array-like Returns ------- peak_snr : float Peak signal to noise ratio rWrr) ndimr rr rsizersquaresumrrtypelog)img1img2msermax_s r%rrs yyA~diik*HTYY[,Ad   T "D   T "D  /BIIdk2668 8C$**//*GA tz" ""r/cURS:Xa[U5[U5p[R"UR 5UR 5- 5nU[ UR RS- nU$)zNormalized Absolute Mean Brightness Error between two images Parameters ---------- img1 : array-like img2 : array-like Returns ------- norm_brightness_error : float Normalized absolute mean brightness error rWr))r*r rrrrrr.)r0r1ambenbes r%rr1s^ yyA~d^Xd^d 66$))+ + ,D TZZ__-a0 0C Jr/c[R"S[S9n[R"[ SS9 [ R"US5 SSS5 g!,(df  g=f)Nrrz Incorrect value of `kernel_size`r)rWrWrW)rrrrrrr rrxs r%$test_adapthist_incorrect_kernel_sizer9Es> ''& &C z)K L##C3 M L Ls A A"c[R"SS/5n[R"US5nURUR:Xdeg)"Check that the shape is maintainedr)g?N)rrr adjust_gammar;)rxresults r%test_adjust_gamma_1x1_shaper>Os; ''1a&/C  " "3 ,F 99 $$ $r/c[R"SS[RS9RS5n[R "US5n[ X5 g)z4Same image should be returned for gamma equal to onerr?rrAr)N)rr,rArr r<r)rbr=s r%test_adjust_gamma_onerBVs= IIaBHH - 5 5h ?E  " "5! ,Fv%r/c [RRSSS5RUSS9n[R "US5nUR Rn[U[US5 UR UR :Xdeg)z6White image should be returned for gamma equal to zerorrKrFr~r)N) rrandomuniformrr r<rr.rr)rrbr=s r%test_adjust_gamma_zerorF]sw II  af - 4 4U 4 GE  " "5! ,F KK  Ev{51!45 <<5;; && &r/c[R"SS[RS9RS5n[R"/SQ[RS9RS5n[ R "US5n[X!5 g)zXVerifying the output with expected results for gamma correction with gamma equal to halfrr?rr@(rrA $'*-0257:<>@BDFrIKMNPQSTVWYrQ\]^`abrr(r8gijklmopqrstuvwyz{|}~rrErrrFrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrGrGrHrHrrrrrrrrrrrrrrrrrrrrrrrrKrTNrr,rArrr r<rrbr`r=s r%test_adjust_gamma_less_onergss IIaBHH - 5 5h ?ExxA DhhGDHghI L " "5# .Fv(r/c[R"SS[RS9RS5n[R"/SQ[RS9RS5n[ R "US5n[X!5 g)zWVerifying the output with expected results for gamma correction with gamma equal to tworr?rr@(rrrrrrrrrrrrr)r)r)r)r)r)r)r)r^r^r^r^r^r^rWrWrWrWrrrrr7r7r7r7rrrrrrr rrr3r3 rrrr rrrrrArArrrrrrrHrHrr rIrIr rJrJ!"#rrK%&rrL()rMrM+,rN./rrO1rPr4rQ6rR8rrrS;rT=rU?rVArWCrXErYrrZJr[Lr\r]Or^r_RraUrbrcXrd[rerfrg_rirjcrr8rkhrlrnrorprqrrrsrurvrwryxrzr|r}rrrErrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrGrrrrrrrrrrrrrrKr^Nrrs r%test_adjust_gamma_greater_oner/vss IIaBHH - 5 5h ?ExxA DhhGDHghI L " "5! ,Fv(r/c[R"SSS[R5RS5n[R "[ 5 [R"US5 SSS5 g!,(df  g=f)NrrKrrr) rr,rArrrrr r<rbs r%test_adjust_gamma_negativer2sM IIaa * 2 26 :E z "eR( # " "s A22 BcS[R"S[RS9-n[R"[R "USSS9S:H5(deg)NrKrrr)r)gammagain)rrrArr r<r8s r%test_adjust_gamma_u8_overflowr6sD bhh/ /C 66(''13?3F G GG Gr/c[R"SS/US9n[R"US5nURUR:XdeUR U:Xdeg)r;r)rN)rrr adjust_logr;rrrxr=s r%test_adjust_log_1x1_shaper:sR ''1a& &C  a (F 99 $$ $ <<5  r/c *[R"SSS[R5RS5n[R"/SQ/SQ/SQ/SQ/S Q/S Q/S Q/S Q/[RS 9n[ R "US5n[X!5 g)zxVerifying the output with expected results for logarithmic correction with multiplier constant multiplier equal to unityrrKrr)rr7rrArr rr)rrOrQrSr rXrZr\)r'rbr*r+rr-rprs)rwrzr~rrrrr)rrrrrrrr)rrrrrrrr)rrrrrrrrG)rrrrrrrrrr)Nrr,rArrr r8rrs r%test_adjust_logr=sw IIaa * 2 26 :Exx * , 0 4 4 4 4 4 hh H  *Fv(r/c ,[R"SSS[R5RS5n[R"/SQ/SQ/SQ/SQ/S Q/S Q/S Q/S Q/[RS 9n[ R "USS5n[X!5 g)zVerifying the output with expected results for inverse logarithmic correction with multiplier constant multiplier equal to unityrrKrr)rr^r7rrrrr)rHr r rJrrrrN)rOrrRrSrr!rXH)r%r&r`rcrQrgrjr8)rmnrtrxr{rrr)rFrrrrrrr)rrrrrrrr)rrrrHrrrrrr)TNr<rs r%test_adjust_inv_logrAsy IIaa * 2 26 :Exx ( , , - 4 4 4 4 hh H 4 0Fv(r/c[R"SS/US9n[R"USS5nURUR:XdeUR U:Xdeg)r;r)rr7N)rrr adjust_sigmoidr;rr9s r%test_adjust_sigmoid_1x1_shaperDsT ''1a& &C  $ $S!Q /F 99 $$ $ <<5  r/c ,[R"SSS[R5RS5n[R"/SQ/SQ/SQ/SQ/S Q/S Q/S Q/S Q/[RS 9n[ R "USS5n[X!5 g)zhVerifying the output with expected results for sigmoid correction with cutoff equal to one and gain of 5rrKrr)r)r)r)r^r^r^r^r^)rWrWrWrrrr7r7)r7rrrrrrr3)r3rrrrrrAr)rrrrr r r rJ)rrKrLrrrrPr)rrrVrXr?r%r^r()rdrgr,r-rorsrxr|rr)r7Nrr,rArrr rCrrs r%test_adjust_sigmoid_cutoff_onerGsy IIaa * 2 26 :Exx $ $ % , , , , 1 hh H $ $UAq 1Fv(r/c ,[R"SSS[R5RS5n[R"/SQ/SQ/SQ/SQ/S Q/S Q/S Q/S Q/[RS 9n[ R "USS 5n[X!5 g )zjVerifying the output with expected results for sigmoid correction with cutoff equal to zero and gain of 10rrKrr)rrrrrrrr)rrrrrrrHr)rrrrrrrrrrrrrrrr)rrrrrrrr)rrrrrrrrrr3NrFrs r%test_adjust_sigmoid_cutoff_zerorJsy IIaa * 2 26 :Exx 4 4 4 4 4 4 4 4 hh H $ $UAr 2Fv(r/c ,[R"SSS[R5RS5n[R"/SQ/SQ/SQ/SQ/S Q/S Q/S Q/S Q/[RS 9n[ R "USS5n[X!5 g)zjVerifying the output with expected results for sigmoid correction with cutoff equal to half and gain of 10rrKrr)r)r)r^r^rWrWrr7)r7rrrr3rrrA)rrr r rrLrrP)rrVr?r^rdr,rorx)rErFrrrrrr)rrrrrrrHr)rrrrrrrrrIrrTr3NrFrs r%test_adjust_sigmoid_cutoff_halfrLsy IIaa * 2 26 :Exx $ ( , . 4 4 4 4 hh H $ $UC 4Fv(r/c .[R"SSS[R5RS5n[R"/SQ/SQ/SQ/SQ/S Q/S Q/S Q/S Q/[RS 9n[ R "USSS5n[X!5 g)zrVerifying the output with expected results for inverse sigmoid correction with cutoff equal to half and gain of 10rrKrr)rrrrrrrr)rrrrrrrr)rrrHrrrrr)rrrrrrrr)rrvrmrhrcr]rYrU)rRrrrrrIr r)rrArrr3rrr)r7rrrWrWr^r^r)rrTr3TNrFrs r%#test_adjust_inv_sigmoid_cutoff_halfrNs{ IIaa * 2 26 :Exx 4 4 4 4 / , ) $ hh H $ $UCT :Fv(r/cV[R"SSS5n[R"U5(deSUS'[R"U5(de[R"USS9(aeUS-R [R 5n[R"U5(de[R"USS9(aeUR [R 5S-n[R"U5(de[R"USS9(aeg) Nrg{Gz?rr)r)upper_percentilerKr?)rrLr is_low_contrastrrArr1s r%test_is_low_contrastrR/s KK4 %E  # #E * ** *E"I  # #E * ** *''DD D S[  *E  # #E * ** *''DD D \\")) $ ,E  # #E * ** *''DD DDr/c[R"S[S9n[R"U5(deSUSS&[R"U5(aeg)Nrrr)r7)rr_boolr rQr1s r%test_is_low_contrast_booleanrU?sN HHV4 (E  # #E * ** *E"1I''... ..r/ exposure_funcc[R"SSS5RS5R[R5n[ R "[5 U"U5 SSS5 g!,(df  g=f)Nrrrr)rr,rrrrrr)rVrbs r%test_negative_inputrXKsP IIc3 " * *6 2 9 9"** EE z "e # " "s  A11 A?cz[R"SSS9 SSKJn UR [ R"SS/SS//5SS9n[ R"U5up#/S Qn/S Qn[ R"XC5(de[ R"XR5(de[X R5(deg) Ndask$dask python library is not installedrrr)r^)r)r^)chunks)rr)r^)r)r^r)) r importorskip dask.arrayr from_arrayrr r allclose isinstanceArray)da dask_array output_hist output_bins expected_bins expected_hists r%test_dask_histogramriYs 'MNrxx!Q!Q(89&IJ'11*=KMM ;;} 2 22 2 ;;} 2 22 2 k88 , ,, ,r/c:[R"SSS9 SSKJn UR/SQ[R S9n[ R"U5nUR[R :Xde[U/SQ5 [X R5(deg)NrZr[rrrrr) rr]r^rrrAr rrrrarb)rcrbrs r%test_dask_rescalerkfsq 'MN HH^288H 4E  $ $U +C 99  c=1 c88 $ $$ $r/)yrnumpyrr numpy.testingrrrrrpackaging.versionrskimager r r skimage.colorr skimage.exposure.exposurer skimage.util.dtyperskimage._shared._warningsrskimage._shared.utilsrmark parametrizer+float32r&r.r1r5r=rBrIrMrOrrrUr[rarAint16rlrDseedcamerarorrurrrr|rrrwrrrrrrrrrrrint32rrrrrrrrskipif __version__rrrrrrrrr rrrr!r(rrr9r>rBrFrr/r2r6r:r=rArDrGrJrLrNrRrUr<r8rCrXrirkr/r%rs &"5*77277BJJ"78Q9Q --'',,,,2::rzz2::"FG>H>2::rzz2::"FG'H' (('7);<288RXXrzz"BC4.5D=.8 q{{}   \ *  % %hns&: ;&2::rzz2::"FG;H; - 1v1c(+hR-AB& &  SzWr1g.c3Z0HI& & $    20 2::rzz2::"FG$H$0  bggrxxRZZ D33"@ 4 4 4 */ * BNNgfo- 9-0BDV/WX ?Y  ? "(( 299 299 299 %  + + *'@2::rzz2::"FG FH FK" MR4 .Y$ /#,(4%&2::rzz2::"FG'H'L)^L)^) H2::rzz2::"FG!H!),)42::rzz2::"FG!H!),),),), E / H//1H1HI  -%r/