public static Matrix <double> TestObjectDetectionFunction <T>(LossMmod detector,
IEnumerable <Matrix <T> > images,
IEnumerable <IEnumerable <MModRect> > truthDets,
TestBoxOverlap overlapTester = null,
double adjustThreshold = 0,
TestBoxOverlap overlapIgnoreTester = null)
where T : struct
{
if (detector == null)
{
throw new ArgumentNullException(nameof(detector));
}
if (images == null)
{
throw new ArgumentNullException(nameof(images));
}
if (truthDets == null)
{
throw new ArgumentNullException(nameof(truthDets));
}
detector.ThrowIfDisposed();
images.ThrowIfDisposed();
truthDets.ThrowIfDisposed();
var disposeOverlapTester = overlapTester == null;
var disposeOverlapIgnoreTester = overlapIgnoreTester == null;
try
{
if (disposeOverlapTester)
{
overlapTester = new TestBoxOverlap();
}
if (disposeOverlapIgnoreTester)
{
overlapIgnoreTester = new TestBoxOverlap();
}
using (var matrixVector = new StdVector <Matrix <T> >(images))
using (var disposer = new EnumerableDisposer <StdVector <MModRect> >(truthDets.Select(r => new StdVector <MModRect>(r))))
using (var detsVector = new StdVector <StdVector <MModRect> >(disposer.Collection))
using (new EnumerableDisposer <StdVector <MModRect> >(detsVector))
{
var type = detector.NetworkType;
Matrix <T> .TryParse <T>(out var elementTypes);
var matrix = images.FirstOrDefault();
var ret = NativeMethods.test_object_detection_function_net(type,
detector.NativePtr,
elementTypes.ToNativeMatrixElementType(),
matrixVector.NativePtr,
matrix.TemplateRows,
matrix.TemplateColumns,
detsVector.NativePtr,
overlapTester.NativePtr,
adjustThreshold,
overlapIgnoreTester.NativePtr,
out var result);
switch (ret)
{
case NativeMethods.ErrorType.MatrixElementTypeNotSupport:
throw new ArgumentException($"{elementTypes} is not supported.");
case NativeMethods.ErrorType.DnnNotSupportNetworkType:
throw new NotSupportNetworkTypeException(type);
}
return(new Matrix <double>(result, 1, 3));
}
}
finally
{
if (disposeOverlapTester)
{
overlapTester?.Dispose();
}
if (disposeOverlapIgnoreTester)
{
overlapIgnoreTester?.Dispose();
}
}
}
