internal static ImageGene FromImage(Image image)
{
var result = new ImageGene();
result._histogram = ComputeHistogram(image);
result.Image = image;
return result;
}
internal static ImageGene Load(string path)
{
var result = new ImageGene();
result._histogram = FileUtility.ReadLines(path, StreamOptions.DoNotLockFile).Select(x => float.Parse(x)).ToArray();
if (0x60 != result._histogram.Length) throw new ApplicationException("The specified file is broken. : " + path);
return result;
}
internal double GetDistance(ImageGene gene)
{
return GetDistance(this, gene);
}
internal bool Equals(ImageGene gene, double threshold)
{
if (null == gene) return false;
if (object.ReferenceEquals(this, gene)) return true;
return GetDistance(this, gene) < threshold;
}
private static double GetDistance(ImageGene x, ImageGene y)
{
return x._histogram.Zip(y._histogram, (a, b) => Math.Abs(a - b)).Aggregate(0d, (total, next) => total += next);
}
