/// <summary>
/// Return the default people detector
/// </summary>
/// <returns>The default people detector</returns>
public static float[] GetDefaultPeopleDetector()
{
using (Util.VectorOfFloat desc = new VectorOfFloat())
{
CvHOGDescriptorPeopleDetectorCreate(desc);
return(desc.ToArray());
}
}
/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="winStride"></param>
/// <param name="locations"></param>
/// <returns></returns>
public float[] Compute(Image <Gray, Byte> image, Size winStride, Point[] locations)
{
using (VectorOfFloat vof = new VectorOfFloat())
{
GCHandle handle = GCHandle.Alloc(locations, GCHandleType.Pinned);
CvSelfSimDescriptorCompute(_ptr, image, vof, ref winStride, handle.AddrOfPinnedObject(), locations.Length);
handle.Free();
return(vof.ToArray());
}
}
/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="winStride"></param>
/// <param name="locations"></param>
/// <returns></returns>
public float[] Compute(Image<Gray, Byte> image, Size winStride, Point[] locations)
{
using (VectorOfFloat vof = new VectorOfFloat())
{
GCHandle handle = GCHandle.Alloc(locations, GCHandleType.Pinned);
CvSelfSimDescriptorCompute(_ptr, image, vof, ref winStride, handle.AddrOfPinnedObject(), locations.Length);
handle.Free();
return vof.ToArray();
}
}
/// <summary>
///
/// </summary>
/// <param name="image">The image</param>
/// <param name="winStride">Window stride. Must be a multiple of block stride. Use Size.Empty for default</param>
/// <param name="padding">Padding. Use Size.Empty for default</param>
/// <param name="locations">Locations for the computation. Can be null if not needed</param>
/// <returns>The descriptor vector</returns>
public float[] Compute(IInputArray image, Size winStride = new Size(), Size padding = new Size(), Point[] locations = null)
{
using (VectorOfFloat desc = new VectorOfFloat())
using (InputArray iaImage = image.GetInputArray())
{
if (locations == null)
{
CvHOGDescriptorCompute(_ptr, iaImage, desc, ref winStride, ref padding, IntPtr.Zero);
}
else
{
using (VectorOfPoint vp = new VectorOfPoint(locations))
{
CvHOGDescriptorCompute(_ptr, iaImage, desc, ref winStride, ref padding, vp);
}
}
return(desc.ToArray());
}
}
/// <summary>
///
/// </summary>
/// <param name="image">The image</param>
/// <param name="winStride">Window stride. Must be a multiple of block stride.</param>
/// <param name="padding"></param>
/// <param name="locations">Locations for the computation. Can be null if not needed</param>
/// <returns>The descriptor vector</returns>
public float[] Compute(Image <Bgr, Byte> image, Size winStride, Size padding, Point[] locations)
{
using (VectorOfFloat desc = new VectorOfFloat())
{
if (locations == null)
{
CvHOGDescriptorCompute(_ptr, image, desc, winStride, padding, IntPtr.Zero);
}
else
{
using (MemStorage stor = new MemStorage())
{
Seq <Point> locationSeq = new Seq <Point>(stor);
CvHOGDescriptorCompute(_ptr, image, desc, winStride, padding, locationSeq);
}
}
return(desc.ToArray());
}
}
/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="winStride"></param>
/// <param name="padding"></param>
/// <param name="locations">Locations for the computation. Can be null if not needed</param>
/// <returns>The descriptor vector</returns>
public float[] Compute(Image<Bgr, Byte> image, Size winStride, Size padding, Point[] locations)
{
using (VectorOfFloat desc = new VectorOfFloat())
{
if (locations == null)
CvHOGDescriptorCompute(_ptr, image, desc, winStride, padding, IntPtr.Zero);
else
{
using (MemStorage stor = new MemStorage())
{
Seq<Point> locationSeq = new Seq<Point>(stor);
CvHOGDescriptorCompute(_ptr, image, desc, winStride, padding, locationSeq);
}
}
return desc.ToArray();
}
}
