%% Return Information About Graphics File
% Find information about the example image, ngc6543a.jpg.

info = imfinfo('ngc6543a.jpg');

% The info structure contains the following information fields: Filename, FileModDate, FileSize, Format, FormatVersion, Width, Height, BitDepth, ColorType, FormatSignature, NumberOfSamples, CodingMethod, CodingProcess, and Comment.
% To display information from the structure, for example CodingMethod, type info.CodingMethod in the command window.
%

info.CodingMethod

% To display all the properties in the structure, type info in the command window.
% Copyright 2012 The MathWorks, Inc.