MATLAB: “load_image” function help.

image processinglena?load_image

http://www.mathworks.com/matlabcentral/fileexchange/16201-toolbox-image/content/toolbox_image/load_image.m

Files were all downloaded from here. In there, examples of function for "load_image" all were done to "lena". Why is this so? How do i use "load_image" to load other arbitrary images?

Best Answer

I do not know why the author chose this particular image for his examples, but there is a discussion of it here.

To use another image, simply replace 'lena' as the first argument to load_image with one of the other strings described in the documentation for load_image, or with the name of an image file in the current directory, omitting the extension. See

help load_image

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Here it is

http://www.mathworks.com/matlabcentral/fileexchange/25157-image-segmentation-tutorial-blobsdemo

Code is written by Image Analyst.

MATLAB: Text file help.

FID = fopen(FileName, 'r');
if FID == -1; error('Cannot read file'); end
Data = textscan(FID, '%s', 'delimiter', '\n', 'whitespace', '');
fclose(FID);
CStr = Data{1};
startWith_at = strncmp(CStr, '@', 1);
last_at = find(startWith_at, 1, 'last');
last_number = sscanf(CStr{last_at}, '@%d');
% Delete trailing lines:
CStr(last_at + 1:end) = [];

Do you want to write the file afterwards?

FID = fopen(FileName, 'w');
if FID == -1; error('Cannot read file'); end
fprintf(FID, '%s\n', CStr{:});
fclose(FID);

Best Answer

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