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Arrow Annotation in a Binary Image

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Hi Guyz,

I have a Binary image displayed by "imshow" function in Matlab. For instance the figure size is 1500*1300. I have some coordinates in this image that I want show them with arrows annotation in the image. For example I want to add an arrow between pixel number (300,500) to the pixel number (305,504). I tried many things, but I wasn't successful. I have problem with the normalization and how I can convert pixel numbers to my current figure axes units?

Please help, That is very important for me. Thx in advance.

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