public static ChipDetails[] GetFaceChipDetails(IEnumerable <FullObjectDetection> dets, uint size = 200, double padding = 0.2d)
{
if (dets == null)
{
throw new ArgumentNullException(nameof(dets));
}
if (size <= 0)
{
throw new ArgumentException();
}
if (padding < 0)
{
throw new ArgumentException();
}
if (dets.Any(detection => detection == null || detection.IsDisposed || detection.Parts != 68))
{
throw new ArgumentException($"{nameof(dets)} includes invalid item.");
}
using (var vector = new VectorOfFullObjectDetection(dets))
using (var vectorOfChips = new VectorOfChipDetails())
{
Native.get_face_chip_details(vector.NativePtr, size, padding, vectorOfChips.NativePtr);
return(vectorOfChips.ToArray());
}
}
public static Array <Array2D <T> > ExtractImageChips <T>(Array2DBase image, IEnumerable <ChipDetails> chipLocations)
where T : struct
{
if (image == null)
{
throw new ArgumentNullException(nameof(image));
}
if (chipLocations == null)
{
throw new ArgumentNullException(nameof(chipLocations));
}
if (chipLocations.Any(chip => chip == null || chip.IsDisposed || !chip.IsValid()))
{
throw new ArgumentException($"{nameof(chipLocations)} includes invalid item.");
}
image.ThrowIfDisposed();
using (var vectorOfChips = new VectorOfChipDetails(chipLocations))
{
var array = new Array <Array2D <T> >();
var array2DType = image.ImageType.ToNativeArray2DType();
var ret = Native.extract_image_chips(array2DType,
image.NativePtr,
vectorOfChips.NativePtr,
array.ImageType.ToNativeArray2DType(),
array.NativePtr);
switch (ret)
{
case Native.ErrorType.InputArrayTypeNotSupport:
throw new ArgumentException($"{image.ImageType} is not supported.");
case Native.ErrorType.OutputArrayTypeNotSupport:
throw new ArgumentException($"{array.ImageType} is not supported.");
}
return(array);
}
}
