//INPUT: An array of integers
//OUTPUT: An array of doubles normalized between 0 and 1
public static double[] NormalizeArray(int[] exposure)
{
double[] norm_arr = new double[exposure.Length];
int min = int.MaxValue;
int max = 0;
//1. Find the minimum and maximum values.
Parallel.For(0, exposure.Length, i =>
{
if (exposure[i] < min)
{
min = exposure[i];
}
if (exposure[i] > max)
{
max = exposure[i];
}
});
//2. Normalize every pixel to a value between 0 and 1.
_ = Parallel.For(0, exposure.Length, i =>
{
double norm = Auxiliary.Normalize((double)exposure[i], (double)min, (double)max);
norm_arr[i] = norm;
});
return(norm_arr);
}
//Returns an array of values between 0 and 1.
//public static double[] NormalizeArray(int[] exposure, double[] normalized)
//{
// int min = int.MaxValue;
// int max = 0;
// Parallel.For(0, exposure.Length, i =>
// {
// if (exposure[i] < min) { min = exposure[i]; }
// if (exposure[i] > max) { max = exposure[i]; }
// });
// _ = Parallel.For(0, exposure.Length, i =>
// {
// double norm = Auxiliary.Normalize(exposure[i], min, max);
// normalized[i] = norm;
// });
// return normalized;
//}
//INPUT: An array of doubles
//OUTPUT: An array of doubles normalized between 0 and 1
public static double[] NormalizeArray(double[] arr)
{
double[] norm_arr = new double[arr.Length];
double min = 99999;
double max = 0;
Parallel.For(0, arr.Length, i =>
{
if (arr[i] < min)
{
min = arr[i]; Console.WriteLine("min: " + min);
}
if (arr[i] > max)
{
max = arr[i]; Console.WriteLine("max: " + max);
}
});
_ = Parallel.For(0, norm_arr.Length, i =>
{
double norm = Auxiliary.Normalize(arr[i], min, max);
norm_arr[i] = norm;
});
return(norm_arr);
}