how to display the info of the image in the GUI axes?

Hi, I used the following code: I have two axes. In one axes i'll display the image and in the other axes i want the details of the image. Can you please help me in getting the image details in the axes or please tell me an alternate way to do that.

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axes(handles.axes1);

[baseFileName,folder]=uigetfile('*'); % read the input image

im=imread([folder,baseFileName]);

ImageOriginal = im;

imshow(ImageOriginal);

axes(handles.axes2);

info=imfinfo(baseFileName);

info

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By using this, i am getting the image details in the matlab main window but not in the GUI axes. please assist me.

thanks...

Answer 1

[Image Analyst]

What details do you want to know? Maybe you want to use imfinfo() or impixelinfo().

[Manoj Kumar]

I want the details like width, height, color type, bits per sample

[Image Analyst]

Try what I said, in addition to this:

[rows, columns, numberOfColorChannels] = size(yourImageVariable);

[Manoj Kumar]

Hi, I didn't get that one. Can you please make it clear. I used

axes(handles.axes1);

[baseFileName,folder]=uigetfile('*'); % read the input image

im=imread([folder,baseFileName]);

ImageOriginal = im;

imshow(ImageOriginal);

[rows,columns,numberOfColorChannels]=size(baseFileName);

info=imfinfo(baseFileName);

set(handles.text1,'string',info);% made a static text box in the GUI to display it..

But i am facing error as" Error using set error: mxArray must be double, char, or cell"

[Image Analyst]

info is a structure so you need to create a string with sprintf() and then send that string into the text control with set().

>> info=imfinfo('moon.tif') % Or whatever image you want.
info = 
                     Filename: 'C:\Program Files\MATLAB\R2014a\toolbox\images\imdata\moon.tif'
                  FileModDate: '25-Sep-2013 20:12:04'
                     FileSize: 183950
                       Format: 'tif'
                FormatVersion: []
                        Width: 358
                       Height: 537
                     BitDepth: 8
                    ColorType: 'grayscale'
              FormatSignature: [73 73 42 0]
                    ByteOrder: 'little-endian'
               NewSubFileType: 0
                BitsPerSample: 8
                  Compression: 'PackBits'
    PhotometricInterpretation: 'BlackIsZero'
                 StripOffsets: [1x25 double]
              SamplesPerPixel: 1
                 RowsPerStrip: 22
              StripByteCounts: [7299 7396 7475 7612 7747 7831 7902 7876 7913 7886 7888 7834 7718 7640 7743 7658 7750 7771 7580 7435 7022 6804 6312 6586 2886]
                  XResolution: 72
                  YResolution: 72
               ResolutionUnit: 'Inch'
                     Colormap: []
          PlanarConfiguration: 'Chunky'
                    TileWidth: []
                   TileLength: []
                  TileOffsets: []
               TileByteCounts: []
                  Orientation: 1
                    FillOrder: 1
             GrayResponseUnit: 0.0100
               MaxSampleValue: 255
               MinSampleValue: 0
                 Thresholding: 1
                       Offset: 183572
% Make a string.
text1 = sprintf('The XResolution = %d', info.XResolution);
% Send the string to the text control.
set(handles.text1,'string',info);

[Manoj Kumar]

It is working fine. I used as

details= sprintf('Width= %d Height=%d', info.Width, info.Height);

set(handles.text1,'string',details);% will be shown in a static text box in GUI

Here the problem is both are displaying in the same line. how to make the Height to appear in the second line?

[Image Analyst]

It's just the normal format string like any language, so put in a backslash n.

message = sprintf('line1\nline2');

[Manoj Kumar]

hey it's working but i don't know why it is generating the same details 4 times.

I have used the following code:

 details= sprintf('Width= %d \n Height=%d \n ColorType=%d \n BitsPerSample=%d \n', info.Width, info.Height, info.ColorType, info.BitsPerSample);

I snipped the output i got when I used this. I just Want that to generate single time. Please assist me...

thanks...

[Image Analyst]

Because info.ColorType is a string and it's doing it for every character. Try using %s instead of %d:

details= sprintf('Width= %d\nHeight=%d \nColorType=%s\nBitsPerSample=%d\n', info.Width, info.Height, info.ColorType, info.BitsPerSample)

[Manoj Kumar]

hi,when i use

 details= sprintf(' Width= %d \n Height=%d \n ColorType=%s \n BitsPerSample= %d %d %d  \n', info.Width, info.Height,info.ColorType, info.BitsPerSample);

It is working good for few images.

But, when i use some other images that don't have bitspersample i am facing error as

 Reference to non-existent field 'BitsPerSample'.

How to overcome this?

Thanks...

[Image Analyst]

% See if we can pull out the BitsPerSample.
hasField = isfield(info, 'BitsPerSample');
if hasField  % We can print it.
  details= sprintf(' Width= %d \n Height=%d \n ColorType=%s \n BitsPerSample= %d %d %d  \n', info.Width, info.Height,info.ColorType, info.BitsPerSample);\
else % we can't print it.
  details= sprintf(' Width= %d \n Height=%d \n ColorType=%s \n BitsPerSample= %d %d\n', info.Width, info.Height,info.ColorType);
end

[Manoj Kumar]

it worked, thank you