MATLAB: How do i sort images into a list in ascening order

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Hello!

I have these images in the file.

1.bmp , 2.bmp , ….. , 1000.bmp

i use this command: list = dir('*.bmp');

and the results are

list(1)= '1.bmp' , list(2)='10.bmp' , list(3)='11.bmp', list(4)='12.bmp', list(5)='13.bmp',… …..,list(995)='2.bmp',…

What can i do to put them into the list in ascending order??

list(1)='1.bmp' , list(2)='2.bmp' …..

Thank you very much.

Best Answer

See this link:

http://blogs.mathworks.com/pick/2006/09/11/file1-file10-file2-sorting-problem-solved/

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MATLAB: How to sort file when reading them with dir

You could download my FEX submission natsortfiles:

http://www.mathworks.com/matlabcentral/fileexchange/47434-natural-order-filename-sort

and use it to directly sort the output from DIR:

allFiles = natsortfiles(dir('*.txt'));

The function natsortfiles does not perform a naive natural-order sort, but also sorts the filenames and file extensions separately so that the file extension period character does not influence the sort output:

>> A = {'doc_10.txt'; 'doc_20.txt'; 'doc_2.txt'; 'doc_1.txt'; 'doc_11.txt'};
>> sort(A) % gives the wrong order!
ans = 
    'doc_1.txt'
    'doc_10.txt'
    'doc_11.txt'
    'doc_2.txt'
    'doc_20.txt'
>> natsortfiles(A) % the correct number order :)
ans = 
    'doc_1.txt'
    'doc_2.txt'
    'doc_10.txt'
    'doc_11.txt'
    'doc_20.txt'

MATLAB: Como generar grafos aleatorios, de tal modo que el acepte dos parámetros como argumento: el numero de nodos del grafo y la probabilidad de existencia de cada rama

What have you tried? What might sprand do for you?

Best Answer

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MATLAB: How to sort file when reading them with dir

MATLAB: Como generar grafos aleatorios, de tal modo que el acepte dos parámetros como argumento: el numero de nodos del grafo y la probabilidad de existencia de cada rama

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