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From: Nehal on 9 Jul 2010 10:49
"Steven Lord" <slord(a)mathworks.com> wrote in message <i179rv$2up$1(a)fred.mathworks.com>...
>
> You have to determine that on your own; I don't know the specific details of
> the procedure you're using.
>
> I've given you as much help as I can -- you will need to take the debugging
> information I gave you and determine how to correct those problems in your
> code.
>
> --
> Steve Lord
> slord(a)mathworks.com
> comp.soft-sys.matlab (CSSM) FAQ: http://matlabwiki.mathworks.com/MATLAB_FAQ
> To contact Technical Support use the Contact Us link on
> http://www.mathworks.com
>

I am not using numberOfColorBands anymore... my function is:

function cropimage

tifFiles = dir('Samples\*.tif'); %takes all the images from the folder Sample

for k = 1:length(tifFiles) %the loop will continue for the number of images
filename = tifFiles(k).name;
data1 = imread(filename);

% converting the grb images to gray
grayImage = rgb2gray(filename);

% converts gray to binary
binaryImage = grayImage == 255;

horizontal = any(binaryImage, 1);
vertical = any(binaryImage, 2);

column1 = find(horizontal, 1, 'first');
column2 = find(horizontal, 1, 'last');
row1 = find(vertical, 1, 'first');
row2 = find(vertical, 1, 'last');

xBox = [column1 column2 column2 column1 column1];
yBox = [row1 row1 row2 row2 row1];

croppedImage = binaryImage(row1:row2, column1:column2);
imwrite(croppedImage,['Cropped\' filename]);
end
end

and it is showing error:
??? Error using ==> rgb2gray>parse_inputs at 82
MAP must be a m x 3 array.

Error in ==> rgb2gray at 35
X = parse_inputs(varargin{:});

Error in ==> cropimage at 10
grayImage = rgb2gray(filename);

Now, what is the problem...? can u plz help me..?
From: Mark Hayworth on 9 Jul 2010 11:51
SAME problem. Same solution.
Like I said before, filename is not your numerical image array, "data1" is. So, use the same fix:
grayImage = rgb2gray(data1);
From: Nehal on 9 Jul 2010 12:45
"Image Analyst" <imageanalyst(a)mailinator.com> wrote in message <i17arc$4a8$1(a)fred.mathworks.com>...
> "Nehal " <arnab620(a)yahoo.com> wrote in message <i1781c$7to$1(a)fred.mathworks.com>...
> > how can i put the size of the image instead of the size of the filename in that place of the code...?
> > and what can i do to handle numberOfColorBands equals 1 ?
> >
> > could u plz help me..?
> ------------------------------------------------------------------------------------------
> You called your image "data1" so the correct line would be
> [rows columns numberOfColorBands] = size(data1);

thank you... I was so stressed that I could not notice this simple mistake... thank you once again... :)
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