public Mat ComputeDescriptor(KeyPointModel keyPoints)
{
Mat result = new Mat();
Mat image = new Mat(keyPoints.InputFile.fileInfo.FullName);
_brief.Compute(image, keyPoints.DetectedKeyPoints, result);
return(result);
}
public Mat ComputeDescriptor(KeyPointModel keyPoints)
{
var cudaORB = CreateDetector();
var mat = new Mat(keyPoints.InputFile.fileInfo.FullName);
Image <Gray, byte> image = new Image <Gray, byte>(mat.Bitmap);
GpuMat gpumat = new GpuMat(image);
GpuMat result = new GpuMat();
cudaORB.Compute(gpumat, keyPoints.DetectedKeyPoints, result);
var returnResult = result.ToMat();
gpumat.Dispose();
result.Dispose();
cudaORB.Dispose();
return(returnResult);
}
private void ComputeDescriptor(KeyPointModel keypoint, IFeatureDescriptor descriptor, bool AddToList = true, bool SaveOnDisk = true)
{
WindowsFormHelper.AddLogToConsole($"Start computing descriptor for: {keypoint.InputFile.fileInfo.Name.ToString()}\n");
var computedDescriptor = descriptor.ComputeDescriptor(keypoint);
var descriptorNode = new DescriptorModel()
{
Descriptors = computedDescriptor,
KeyPoint = keypoint
};
WindowsFormHelper.AddLogToConsole($"FINISH computing descriptor for: {keypoint.InputFile.fileInfo.Name.ToString()}\n");
if (AddToList)
{
ComputedDescriptors.Add(keypoint.ID, descriptorNode);
}
if (SaveOnDisk)
{
SaveSiftFile(descriptorNode);
}
}
public static double GetTwoPointSlop(KeyPointModel start, KeyPointModel end)
{
return((end.y - start.y) / (end.x - start.x));
}
public static KeyPointModel GetTwoPointVector(KeyPointModel start, KeyPointModel end)
{
return(new KeyPointModel {
x = end.x - start.x, y = end.y - start.y
});
}
public static double GetTwoPointLength(KeyPointModel p1, KeyPointModel p2)
{
return(Math.Sqrt(Math.Pow(p1.x - p2.x, 2) + Math.Pow(p1.y - p2.y, 2)));
}