function?[overall_accuracykappa_accuracyaverage_accuracyclass_accuracyerrorMatrix]?=?calcError（?trueLabelling?segLabelling?labels?）
%?calculates?square?array?of?numbers?organized?in?rows?and?columns?which?express?the
%?percentage?of?pixels?assigned?to?a?particular?category?（in?segLabelling）?relative
%?to?the?actual?category?as?indicated?by?reference?data?（trueLabelling）
%?errorMatrix（ij）?=?nr?of?pixels?that?are?of?class?i-1?and?were
%?classified?as?class?j-1
%?accuracy?is?essentially?a?measure?of?how?many?ground?truth?pixels?were?classified
%?correctly?（in?percentage）.?
%?average?accuracy?is?the?average?of?the?accuracies?for?each?class
%?overall?accuracy?is?the?accuracy?of?each?class?weighted?by?the?proportion
%?of?test?samples?for?that?class?in?the?total?training?set

[nrX?nrY]?=?size（trueLabelling）;
totNrPixels?=?nrX*nrY;
nrPixelsPerClass?=?zeros（1length（labels））‘;
nrClasses?=?length（labels）;

errorMatrix?=?zeros（length（labels）length（labels））;
errorMatrixPerc?=?zeros（length（labels）length（labels））;

for?l_true=1:length（labels）
????tmp_true?=?find?（trueLabelling?==?（l_true-1））;
????nrPixelsPerClass（l_true）?=?length（tmp_true）;
????for?l_seg=1:length（labels）
????????tmp_seg?=?find?（segLabelling?==?（l_seg-1））;
????????nrPixels?=?length（intersect（tmp_truetmp_seg））;
????????errorMatrix（l_truel_seg）?=?nrPixels;??
????end
end

%?classWeight?=?nrPixelsPerClass/totNrPixels;
diagVector?=?diag（errorMatrix）;
class_accuracy?=?（diagVector./（nrPixelsPerClass））;
average_accuracy?=?mean（class_accuracy）;
overall_accuracy?=?sum（segLabelling?==?trueLabelling）/length（trueLabelling）;
kappa_accuracy?=?（sum（errorMatrix（:））*sum（diag（errorMatrix））?-?sum（errorMatrix）*sum（errorMatrix2））...
????/（sum（errorMatrix（:））^2?-??sum（errorMatrix）*sum（errorMatrix2））;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1773??2014-01-09?10:37??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\calcError.m

?????文件????????688??2014-01-09?10:37??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\confusion.m

?????文件???????3320??2017-11-12?20:44??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\demosuperpixel_classification_predict.m

?????文件???????1454??2013-12-24?15:19??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\elmpredict.m

?????文件???????1752??2013-12-24?15:19??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\elmtrain.m

?????文件???????5586??2014-05-08?10:15??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\entropylabels400.mat

?????文件????????907??2017-11-12?20:40??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\generatemstd.m

?????文件????1649296??2013-12-11?09:49??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\indian_pines_corrected.mat

?????文件???????1125??2014-01-09?11:04??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\Indian_pines_gt.mat

?????文件???34806917??2014-05-04?13:27??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\PaviaU.mat

?????文件??????11005??2014-05-04?13:05??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\PaviaU_gt.mat

?????文件??????59714??2014-05-24?23:14??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\pu1200.mat

?????文件????????444??2014-01-09?10:37??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\scale_func.m

?????文件????????103??2014-01-09?10:37??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\ToMatrix.m

?????文件????????131??2014-01-09?10:37??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC\ToVector.m

?????目錄??????????0??2017-11-12?20:43??Spectral-Spatial?Hyperspectral?Image?Classification?Using?Superpixel?and?Extreme?Learning?Machines-SRC

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