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Juragan yang pinter dan ganteng2, tanya matlab nih, ane kan mau mencari nilai mean dari masing-masing citra yang berada dalam 2 kelas berbeda. masing2 kelas ada 100 citra ber-ekstensi ".pgm"
misal: kelas pedestrian: pede (1).pgm, pede (2).pgm, pede (3).pgm ...pede (100).pgm kelas nonpedestrian: nonpede (1).pgm, nonpede (2).pgm, nonpede (3).pgm ...nonpede (100).pgm nah pertanyaan ane kok hasil meannya sama smua yah apa ada yang salah dari codingan ane gan?? padahal kalo dicari nilai mean nya satu persatu hasilnya berbeda gan. mohon dikoreksi dong..Spoiler for utama.m: Code: pedestrian = createdatabase ('pedestrian\'); [mp] = pca(pedestrian); Spoiler for createdatabase.m: Code: function data = CreateDatabase(X) fileFolder = fullfile('',X); dirOutput = dir(fullfile(fileFolder,'*.pgm')) fileNames = {dirOutput.name}'; fileNum = numel(fileNames); %mengubah image input dari 2 dimensi menjadi matriks graymatrix = []; for i = 1 : fileNum str = strcat(fileFolder,fileNames{i}); img = imread(str); [icol irow] = size(img); temping = reshape(img',icol*irow,1); graymatrix = [graymatrix temping]; end %mengubah uint8 ke double data = []; for i = 1 : fileNum temp = double(graymatrix(:,1)); data = [data temp]; end Spoiler for pca.m: Code: function[m] = pca(data) %1.menghitung mean m = mean(data,2); </div> |
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