scale.m

function outim = scale(im);
%  =============================================================
%  Name: scale.m   %nameMod
%  Version: 1.0, 9 Nov 2011   %nameMod
%  Author: Scott Rifkin, webpage: http://www.biology.ucsd.edu/labs/rifkin/
%  Attribution: Rifkin SA., Identifying fluorescently labeled single molecules in image stacks using machine learning.  Methods Mol Biol. 2011;772:329-48.
%  License: Creative Commons Attribution-Share Alike 3.0 United States, http://creativecommons.org/licenses/by-sa/3.0/us/
%  Website: http://www.biology.ucsd.edu/labs/rifkin/software/spotFindingSuite
%  Email for comments, questions, bugs, requests:  sarifkin at ucsd dot edu
%  =============================================================
%function to scale image

mn = min(im(:));
mx = max(im(:));

outim = (im-mn)/(mx-mn);