How can I find number of column on an Image?

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bkshn
bkshn 2014-2-11
编辑： Image Analyst 2014-2-15
Hello
I have an image and a vector on it, could you help me How can I find numbers of column that this vector goes from them? for example I want to know this vector goes from (1,1),(2,2),.... I attach image with three vectors. Please help me. Thank you
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bkshn
bkshn 2014-2-15
I didn't draw this vector myself.
I have an image in size of 466*700. I down sample this image to 4 image in size of 233*350. I plot 4 vectors on this four images by a function, and I compose this 4 image together. right know I SEE those vector in my original image, but I want to know elements that vector goes on image. I use find function to determine these elements, But they aren't in right order.
Image Analyst
Image Analyst 2014-2-15
编辑：Image Analyst 2014-2-15
Make it easy for us to help you. I'm not feeling too motivated right now. Read this: http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer. And try much harder to attach images or screenshots.

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