I did not understand your explanation. How to get the "YourMatrix" from image file. Suppose I have jpg file that contains a boundary of brain segmentation. I want to get the matlab function which can read the image file and give the matrix which cont

I did not understand your explanation. How to get the "YourMatrix" from image file. Suppose I have jpg file that contains a boundary of brain segmentation. I want to get the matlab function which can read the image file and give the matrix which contains (x,y) coordinates of all points present in the image file.