/// <summary>
/// Release all the unmanaged memory associate with this object
/// </summary>
protected override void DisposeObject()
{
if (_sharedPtr != IntPtr.Zero)
{
HfsInvoke.cveHfsSegmentRelease(ref _sharedPtr);
_algorithmPtr = IntPtr.Zero;
_ptr = IntPtr.Zero;
}
}
/// <summary>
/// Segmentation with gpu
/// </summary>
/// <param name="src">The input image</param>
/// <param name="ifDraw">if draw the image in the returned Mat. if this parameter is false, then the content of the returned Mat is a matrix of index, describing the region each pixel belongs to. And it's data type is CV_16U. If this parameter is true, then the returned Mat is a segmented picture, and color of each region is the average color of all pixels in that region. And it's data type is the same as the input image</param>
/// <returns>Segmentation result</returns>
public Mat PerformSegmentGpu(IInputArray src, bool ifDraw = true)
{
using (InputArray iaSrc = src.GetInputArray())
{
Mat m = new Mat();
HfsInvoke.cveHfsPerformSegment(_ptr, iaSrc, m, ifDraw, true);
return(m);
}
}
/// <summary>
/// Create a hfs object
/// </summary>
/// <param name="height">The height of the input image</param>
/// <param name="width">The width of the input image</param>
/// <param name="segEgbThresholdI">segEgbThresholdI</param>
/// <param name="minRegionSizeI">minRegionSizeI</param>
/// <param name="segEgbThresholdII">segEgbThresholdII</param>
/// <param name="minRegionSizeII">minRegionSizeII</param>
/// <param name="spatialWeight">spatialWeight</param>
/// <param name="slicSpixelSize">slicSpixelSize</param>
/// <param name="numSlicIter">numSlicIter</param>
public HfsSegment(
int height,
int width,
float segEgbThresholdI = 0.08f,
int minRegionSizeI = 100,
float segEgbThresholdII = 0.28f,
int minRegionSizeII = 200,
float spatialWeight = 0.6f,
int slicSpixelSize = 8,
int numSlicIter = 5)
{
_ptr = HfsInvoke.cveHfsSegmentCreate(
height,
width,
segEgbThresholdI,
minRegionSizeI,
segEgbThresholdII,
minRegionSizeII,
spatialWeight,
slicSpixelSize,
numSlicIter,
ref _algorithmPtr,
ref _sharedPtr);
}