Cell from Unint8 Conversion error

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Ashutosh Desai
Ashutosh Desai 2020-7-10
评论： Ashutosh Desai 2020-7-18
clc;
clear all;
close all;
A_folder = dir('E:\Notes\SEM 7\PRML\Alphabet Database\A\*.png');
B_folder = dir('E:\Notes\SEM 7\PRML\Alphabet Database\B\*.png');
C_folder = dir('E:\Notes\SEM 7\PRML\Alphabet Database\C\*.png');
D_folder = dir('E:\Notes\SEM 7\PRML\Alphabet Database\D\*.png');
E_folder = dir('E:\Notes\SEM 7\PRML\Alphabet Database\E\*.png');
A_result=cellmat(1,length(A_folder),32,32);
B_result=cellmat(1,length(B_folder),32,32);
C_result=cellmat(1,length(C_folder),32,32);
D_result=cellmat(1,length(D_folder),32,32);
E_result=cellmat(1,length(E_folder),32,32);
m=100;
for i=1:m
A_result(1,i)=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\A\',A_folder(i).name));
B_result(1,i)=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\B\',B_folder(i).name));
C_result(1,i)=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\C\',C_folder(i).name));
D_result(1,i)=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\D\',D_folder(i).name));
E_result(1,i)=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\E\',E_folder(i).name));
end
My database contains 100 greyscale images. I need to convert them into matrices with each cell containing a matrice of uint8 form of each image.

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采纳的回答

Srivardhan Gadila
Srivardhan Gadila 2020-7-15
Refer to Access Data in Cell Array.
In the above code, index the Cell Array with with Curly Braces, {} & not Smooth Parentheses, () in the for loop ie., change the code in the for loop to:
for i=1:m
A_result{1,i}=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\A\',A_folder(i).name));
B_result{1,i}=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\B\',B_folder(i).name));
C_result{1,i}=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\C\',C_folder(i).name));
D_result{1,i}=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\D\',D_folder(i).name));
E_result{1,i}=imread(strcat('E:\Notes\SEM 7\PRML\Alphabet Database\E\',E_folder(i).name));
end

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