hi all i have images with common format such as jpeg,png,gif,gif,tiff.i want to remove every bit stream befor and after of main image data .in other words,i want to remove header ,footer,me​tadata,qua​ntizarion and huffman table ,.....for this purpose,

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[Walter Roberson]

replaced by http://uk.mathworks.com/matlabcentral/answers/259171-remove-header-and-metadata-og-image-file-format which is better explained