private static void TestFaceCompare2()
{
var faceA = new Bitmap(@"d:\face.jpg");
var faceB = new Bitmap(@"d:\face2.jpg");
var faceC = new Bitmap(@"d:\face3.jpg");
var faceR1 = new Bitmap(@"d:\faceR1a.jpg");
var faceR2 = new Bitmap(@"d:\faceR2b.jpg");
var tm = new Accord.Imaging.ExhaustiveTemplateMatching(0);
var m1 = tm.ProcessImage(faceA, faceB).Max(x => x.Similarity);
var m2 = tm.ProcessImage(faceA, faceC).Max(x => x.Similarity);
var m3 = tm.ProcessImage(faceR1, faceR2).Max(x => x.Similarity);
}
public static List <Point> TemplateMatch(Bitmap bitmap, float Similarity = 0.99f)
{
Bitmap BigImage = ImageUtils.ConvertPixelFormat(bitmap, PixelFormat.Format24bppRgb);
// Lock image bytes (Speed up)
BitmapData data = BigImage.LockBits(new Rectangle(0, 0, BigImage.Width, BigImage.Height), ImageLockMode.ReadOnly, BigImage.PixelFormat);
// create template matching algorithm's instance
Accord.Imaging.ExhaustiveTemplateMatching tm = new Accord.Imaging.ExhaustiveTemplateMatching(Similarity);
// find all matchings with specified above similarity
Accord.Imaging.TemplateMatch[] matchings = tm.ProcessImage(BigImage, GetBitmap());
List <Point> Result = matchings.ToList().Select(s => s.Rectangle.Location).ToList();
// Unlock image bytes
BigImage.UnlockBits(data);
return(Result);
}
private async static void TestFaceCompare()
{
var facesA = (App.Core.PeopleM.All.Single(x => x.Id == 479)).Segments.ToArray();
var facesB = App.Core.SegmentsM.All.Where(x => x.PersonId == -44).ToArray();
var tm = new Accord.Imaging.ExhaustiveTemplateMatching(0);
foreach (var face in facesA)
{
face.Similar?.Clear();
face.SimMax = 0;
}
foreach (var faceA in facesA)
{
await faceA.SetPictureAsync(100);
await faceA.SetComparePictureAsync(32);
faceA.Similar ??= new();
foreach (var faceB in facesB)
{
await faceB.SetPictureAsync(100);
await faceB.SetComparePictureAsync(32);
var matchings = tm.ProcessImage(faceB.ComparePicture, faceA.ComparePicture);
var sim = Math.Round(matchings.Max(x => x.Similarity) * 100, 1);
if (sim < 80)
{
continue;
}
faceA.Similar.Add(faceB, sim);
if (faceA.SimMax < sim)
{
faceA.SimMax = sim;
}
}
}
}