MATLAB: How to get a single line on an image

getlineginputImage Processing ToolboxMATLAB

I'm trying to make a little bit of image analysis software. I need to plot the intensity of pixels lying along a user selected line. This would be a lot easier if I could have a function which returns the coordinates of the line, but would allow me to see what line is being selected as I'm clicking, and which would not allow me to define a long curve.

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Oh, I just found the perfect answer. imline.

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MATLAB: If there a synatix that selects and cuts a line of a image in matlab

What do you mean by "cut"? You mean remove that line, as in

grayImage(row, :) = []; % Remove this row from the image, shrinking the image vertically.

Or do you mean something like improfile(), which gets you the intensity profile along a line between two points?

MATLAB: Dashed line imrect of imline

Something like this would help you make a dashed line using imline .

h = imline();
h1 = get(h,'Children');
set(h1(3),'LineStyle','--');
set(h1(4),'LineStyle','--');

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Related Solutions

MATLAB: If there a synatix that selects and cuts a line of a image in matlab

MATLAB: Dashed line imrect of imline

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