public void CreateByChannels()
{
Assert.Equal(MatType.CV_8UC1, MatType.CV_8UC(1));
Assert.Equal(MatType.CV_8UC2, MatType.CV_8UC(2));
Assert.Equal(MatType.CV_8UC3, MatType.CV_8UC(3));
Assert.Equal(MatType.CV_8UC4, MatType.CV_8UC(4));
Assert.Equal(MatType.CV_8SC1, MatType.CV_8SC(1));
Assert.Equal(MatType.CV_8SC2, MatType.CV_8SC(2));
Assert.Equal(MatType.CV_8SC3, MatType.CV_8SC(3));
Assert.Equal(MatType.CV_8SC4, MatType.CV_8SC(4));
Assert.Equal(MatType.CV_16UC1, MatType.CV_16UC(1));
Assert.Equal(MatType.CV_16UC2, MatType.CV_16UC(2));
Assert.Equal(MatType.CV_16UC3, MatType.CV_16UC(3));
Assert.Equal(MatType.CV_16UC4, MatType.CV_16UC(4));
Assert.Equal(MatType.CV_16SC1, MatType.CV_16SC(1));
Assert.Equal(MatType.CV_16SC2, MatType.CV_16SC(2));
Assert.Equal(MatType.CV_16SC3, MatType.CV_16SC(3));
Assert.Equal(MatType.CV_16SC4, MatType.CV_16SC(4));
Assert.Equal(MatType.CV_32SC1, MatType.CV_32SC(1));
Assert.Equal(MatType.CV_32SC2, MatType.CV_32SC(2));
Assert.Equal(MatType.CV_32SC3, MatType.CV_32SC(3));
Assert.Equal(MatType.CV_32SC4, MatType.CV_32SC(4));
Assert.Equal(MatType.CV_32FC1, MatType.CV_32FC(1));
Assert.Equal(MatType.CV_32FC2, MatType.CV_32FC(2));
Assert.Equal(MatType.CV_32FC3, MatType.CV_32FC(3));
Assert.Equal(MatType.CV_32FC4, MatType.CV_32FC(4));
Assert.Equal(MatType.CV_64FC1, MatType.CV_64FC(1));
Assert.Equal(MatType.CV_64FC2, MatType.CV_64FC(2));
Assert.Equal(MatType.CV_64FC3, MatType.CV_64FC(3));
Assert.Equal(MatType.CV_64FC4, MatType.CV_64FC(4));
}
private static Mat AudioFrameToMat(AudioFrame frame)
{
int planar = ffmpeg.av_sample_fmt_is_planar((AVSampleFormat)frame.AVFrame.format);
int planes = planar != 0 ? frame.AVFrame.channels : 1;
int block_align = ffmpeg.av_get_bytes_per_sample((AVSampleFormat)frame.AVFrame.format) * (planar != 0 ? 1 : frame.AVFrame.channels);
int stride = frame.AVFrame.nb_samples * block_align;
int channels = planar != 0 ? 1 : frame.AVFrame.channels;
MatType dstType;
switch ((AVSampleFormat)frame.AVFrame.format)
{
case AVSampleFormat.AV_SAMPLE_FMT_U8:
case AVSampleFormat.AV_SAMPLE_FMT_U8P:
dstType = MatType.CV_8UC(channels);
break;
case AVSampleFormat.AV_SAMPLE_FMT_S16:
case AVSampleFormat.AV_SAMPLE_FMT_S16P:
dstType = MatType.CV_16SC(channels);
break;
case AVSampleFormat.AV_SAMPLE_FMT_S32:
case AVSampleFormat.AV_SAMPLE_FMT_S32P:
dstType = MatType.CV_32SC(channels);
break;
case AVSampleFormat.AV_SAMPLE_FMT_FLT:
case AVSampleFormat.AV_SAMPLE_FMT_FLTP:
dstType = MatType.CV_32FC(channels);
break;
case AVSampleFormat.AV_SAMPLE_FMT_DBL:
case AVSampleFormat.AV_SAMPLE_FMT_DBLP:
// opencv not have 64S, use 64F
case AVSampleFormat.AV_SAMPLE_FMT_S64:
case AVSampleFormat.AV_SAMPLE_FMT_S64P:
dstType = MatType.CV_64FC(channels);
break;
default:
throw new FFmpegException(FFmpegException.NotSupportFormat);
}
Mat mat = new Mat(planes, frame.AVFrame.nb_samples, dstType);
for (int i = 0; i < planes; i++)
{
FFmpegHelper.CopyMemory(mat.Data + i * stride, frame.Data[i], (uint)stride);
}
return(mat);
}
/// <summary>
/// 元画像から指定された範囲とテンプレート画像とをテンプレートマッチングします。
/// </summary>
/// <param name="src">元画像</param>
/// <param name="template">テンプレート画像</param>
/// <param name="partialArea">テンプレートマッチングしたい範囲</param>
/// <returns>類似度</returns>
private static double MatchTemplate(Mat src, Mat template, Rect partialArea)
{
using (var part = src.Clone(new OpenCvSharp.Rect(partialArea.X - 5, partialArea.Y - 5, partialArea.W + 5, partialArea.H + 5)))
{
var dstSize = new Size(part.Width - template.Width + 1, part.Height - template.Height + 1);
using (var dst = new Mat(dstSize, MatType.CV_32FC(1)))
{
Cv2.MatchTemplate(part, template, dst, TemplateMatchModes.CCoeffNormed);
double minVal, maxVal;
Cv2.MinMaxLoc(dst, out minVal, out maxVal);
return(maxVal);
}
}
}
public void MakeType()
{
Assert.Equal(MatType.CV_8UC(1), MatType.MakeType(MatType.CV_8U, 1));
Assert.Equal(MatType.CV_8UC(2), MatType.MakeType(MatType.CV_8U, 2));
Assert.Equal(MatType.CV_8UC(3), MatType.MakeType(MatType.CV_8U, 3));
Assert.Equal(MatType.CV_8UC(4), MatType.MakeType(MatType.CV_8U, 4));
Assert.Equal(MatType.CV_8UC(5), MatType.MakeType(MatType.CV_8U, 5));
Assert.Equal(MatType.CV_8UC(6), MatType.MakeType(MatType.CV_8U, 6));
Assert.Equal(MatType.CV_8SC(1), MatType.MakeType(MatType.CV_8S, 1));
Assert.Equal(MatType.CV_8SC(2), MatType.MakeType(MatType.CV_8S, 2));
Assert.Equal(MatType.CV_8SC(3), MatType.MakeType(MatType.CV_8S, 3));
Assert.Equal(MatType.CV_8SC(4), MatType.MakeType(MatType.CV_8S, 4));
Assert.Equal(MatType.CV_8SC(5), MatType.MakeType(MatType.CV_8S, 5));
Assert.Equal(MatType.CV_8SC(6), MatType.MakeType(MatType.CV_8S, 6));
Assert.Equal(MatType.CV_16UC(1), MatType.MakeType(MatType.CV_16U, 1));
Assert.Equal(MatType.CV_16UC(2), MatType.MakeType(MatType.CV_16U, 2));
Assert.Equal(MatType.CV_16UC(3), MatType.MakeType(MatType.CV_16U, 3));
Assert.Equal(MatType.CV_16UC(4), MatType.MakeType(MatType.CV_16U, 4));
Assert.Equal(MatType.CV_16UC(5), MatType.MakeType(MatType.CV_16U, 5));
Assert.Equal(MatType.CV_16UC(6), MatType.MakeType(MatType.CV_16U, 6));
Assert.Equal(MatType.CV_16SC(1), MatType.MakeType(MatType.CV_16S, 1));
Assert.Equal(MatType.CV_16SC(2), MatType.MakeType(MatType.CV_16S, 2));
Assert.Equal(MatType.CV_16SC(3), MatType.MakeType(MatType.CV_16S, 3));
Assert.Equal(MatType.CV_16SC(4), MatType.MakeType(MatType.CV_16S, 4));
Assert.Equal(MatType.CV_16SC(5), MatType.MakeType(MatType.CV_16S, 5));
Assert.Equal(MatType.CV_16SC(6), MatType.MakeType(MatType.CV_16S, 6));
Assert.Equal(MatType.CV_32SC(1), MatType.MakeType(MatType.CV_32S, 1));
Assert.Equal(MatType.CV_32SC(2), MatType.MakeType(MatType.CV_32S, 2));
Assert.Equal(MatType.CV_32SC(3), MatType.MakeType(MatType.CV_32S, 3));
Assert.Equal(MatType.CV_32SC(4), MatType.MakeType(MatType.CV_32S, 4));
Assert.Equal(MatType.CV_32SC(5), MatType.MakeType(MatType.CV_32S, 5));
Assert.Equal(MatType.CV_32SC(6), MatType.MakeType(MatType.CV_32S, 6));
Assert.Equal(MatType.CV_32FC(1), MatType.MakeType(MatType.CV_32F, 1));
Assert.Equal(MatType.CV_32FC(2), MatType.MakeType(MatType.CV_32F, 2));
Assert.Equal(MatType.CV_32FC(3), MatType.MakeType(MatType.CV_32F, 3));
Assert.Equal(MatType.CV_32FC(4), MatType.MakeType(MatType.CV_32F, 4));
Assert.Equal(MatType.CV_32FC(5), MatType.MakeType(MatType.CV_32F, 5));
Assert.Equal(MatType.CV_32FC(6), MatType.MakeType(MatType.CV_32F, 6));
Assert.Equal(MatType.CV_64FC(1), MatType.MakeType(MatType.CV_64F, 1));
Assert.Equal(MatType.CV_64FC(2), MatType.MakeType(MatType.CV_64F, 2));
Assert.Equal(MatType.CV_64FC(3), MatType.MakeType(MatType.CV_64F, 3));
Assert.Equal(MatType.CV_64FC(4), MatType.MakeType(MatType.CV_64F, 4));
Assert.Equal(MatType.CV_64FC(5), MatType.MakeType(MatType.CV_64F, 5));
Assert.Equal(MatType.CV_64FC(6), MatType.MakeType(MatType.CV_64F, 6));
}
/// <summary>
/// Convert NdArray to Mat
/// </summary>
/// <param name="array">NumSharp NDArray object</param>
/// <returns>mmat object</returns>
public static Mat ToMat(this NDArray array)
{
Shape shape = array.Shape;
int dim = shape.NDim;
int row = 0;
int col = 0;
int channel = 0;
switch (dim)
{
case 2:
row = shape[0];
col = shape[1];
channel = 1;
break;
case 3:
row = shape[0];
col = shape[1];
channel = shape[2];
break;
default:
throw new Exception("Not Support Dim!");;
}
if (channel > 4)
{
throw new Exception("Not Support Channel Count!");;
}
MatType matType;
Mat mat;
switch (array.typecode)
{
case NPTypeCode.Byte:
matType = MatType.CV_8UC(channel);
byte[] data = array.ToByteArray();
mat = new Mat(row, col, matType, data);
break;
case NPTypeCode.Int16:
matType = MatType.CV_16SC(channel);
short[] shortData = array.ToArray <short>();
mat = new Mat(row, col, matType, shortData);
break;
case NPTypeCode.UInt16:
matType = MatType.CV_16UC(channel);
ushort[] ushortData = array.ToArray <ushort>();
mat = new Mat(row, col, matType, ushortData);
break;
case NPTypeCode.Int32:
matType = MatType.CV_32SC(channel);
int[] intData = array.ToArray <int>();
mat = new Mat(row, col, matType, intData);
break;
case NPTypeCode.Single:
matType = MatType.CV_32FC(channel);
float[] floatData = array.ToArray <float>();
mat = new Mat(row, col, matType, floatData);
break;
case NPTypeCode.Double:
matType = MatType.CV_64FC(channel);
double[] doubleData = array.ToArray <double>();
mat = new Mat(row, col, matType, doubleData);
break;
case NPTypeCode.Decimal:
case NPTypeCode.String:
case NPTypeCode.Complex:
case NPTypeCode.Empty:
case NPTypeCode.Boolean:
case NPTypeCode.Char:
case NPTypeCode.UInt32:
case NPTypeCode.Int64:
case NPTypeCode.UInt64:
default:
throw new ArgumentOutOfRangeException();
}
return(mat);
}