MATLAB: Save and loading ROIs

Image Processing Toolboximfreehandloadmoveroisave

I want to save ROIs that selected from a jpg image using imfreehand. And in other jpg image, I want load save ROIs and adjust their position separately. How can I save ROIs and read again?

Best Answer

I'd save them into a .mat file with the save() function, and recall with the load() function.

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MATLAB: Applying free hand crop to TWO images simultaneously

You forgot to attach your images. So what's the problem? Just call imcrop() on each image.

MATLAB: Hi,, i’m new in matlab.. i want to draw using the mouse with this code, but this code can only make one line,, i want to make it more..,

Hi,

The simplest way is initialising an axes object that imfreehand() function can draw on to, and put your function into an infinite loop, like this:

ax=axes();
while true
    hFH = imfreehand(ax); % Get the xy coordinates of where they drew. 
    xy = hFH.getPosition; % get rid of imfreehand remnant.
    delete(hFH); % Overlay what they drew onto the image.
    hold on; % Keep image, and direction of y axis.
    x = xy(:, 1);
    y = xy(:, 2);
    % X = [X x];
    % Y = [Y y];
    line(x, y, 'Color','k','LineWidth', 4);
end

Is this what you are looking for?

Best Answer

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MATLAB: Applying free hand crop to TWO images simultaneously

MATLAB: Hi,, i’m new in matlab.. i want to draw using the mouse with this code, but this code can only make one line,, i want to make it more..,

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