ExhaustiveBlockMatching Class

public class ExhaustiveBlockMatching : IBlockMatching

Public Class ExhaustiveBlockMatching
	Implements IBlockMatching

// collect reference points using corners detector (for example)
SusanCornersDetector scd = new SusanCornersDetector( 30, 18 );
List<IntPoint> points = scd.ProcessImage( sourceImage );

// create block matching algorithm's instance
ExhaustiveBlockMatching bm = new ExhaustiveBlockMatching( 8, 12 );
// process images searching for block matchings
List<BlockMatch> matches = bm.ProcessImage( sourceImage, points, searchImage );

// draw displacement vectors
BitmapData data = sourceImage.LockBits(
    new Rectangle( 0, 0, sourceImage.Width, sourceImage.Height ),
    ImageLockMode.ReadWrite, sourceImage.PixelFormat );

foreach ( BlockMatch match in matches )
{
    // highlight the original point in source image
    Drawing.FillRectangle( data,
        new Rectangle( match.SourcePoint.X - 1, match.SourcePoint.Y - 1, 3, 3 ),
        Color.Yellow );
    // draw line to the point in search image
    Drawing.Line( data, match.SourcePoint, match.MatchPoint, Color.Red );

    // check similarity
    if ( match.Similarity > 0.98f )
    {
        // process block with high similarity somehow special
    }
}

sourceImage.UnlockBits( data );