/// <summary>
/// Get the filter response images from exEl
/// </summary>
/// <param name="exEl"></param>
/// <returns></returns>
private Image GetData(ExchangeElement exEl, LBPFilter lbpFilter)
{
int nHeight = exEl.Height;
int nWidth = exEl.Width;
int i;
char[] charArr = new char[exEl.ByteData.GetLength(0)];
for (i = 0; i < exEl.ByteData.GetLength(0); i++)
{
charArr[i] = Convert.ToChar(exEl.ByteData[i]);
}
Image dpuImgData = new Image(charArr, nWidth, nHeight);
Image rstImgData = null;
if ((_imgWidth != nWidth) || (_imgHeight != nHeight))
{
rstImgData = new Dpu.ImageProcessing.Image(_imgWidth, _imgHeight);
Image.BilinearResample(dpuImgData, rstImgData);
}
else
{
rstImgData = dpuImgData;
}
dpuImgData = new Image(_imgWidth, _imgHeight);
lbpFilter.FilterImage(rstImgData, dpuImgData);
return(dpuImgData);
}
/// <summary>
/// Read the image data from ExchangeElement, subject to the transform, i.e., reSize, downsampling, etc.
/// specified by the parameters.
/// </summary>
/// <param name="exEl">element in DataExchange</param>
/// <returns></returns>
private INumArray <double> GetData(ExchangeElement exEl)
{
INumArray <double> data;
int nHeight = exEl.Height;
int nWidth = exEl.Width;
int i, j;
int ipx = 0;
if (m_bResize)
{
//if m_bResize=true, resize the data to certain size
char[] charArr = new char[exEl.ByteData.GetLength(0)];
for (i = 0; i < exEl.ByteData.GetLength(0); i++)
{
charArr[i] = Convert.ToChar(exEl.ByteData[i]);
}
Dpu.ImageProcessing.Image dpuImgData = new Dpu.ImageProcessing.Image(charArr, nWidth, nHeight);
Dpu.ImageProcessing.Image rstImgData = new Dpu.ImageProcessing.Image(m_iReSizeWidth, m_iReSizeHeight);
Dpu.ImageProcessing.Image.BilinearResample(dpuImgData, rstImgData);
data = ArrFactory.DoubleArray(m_iReSizeHeight, m_iReSizeWidth);
float[] pixelData = rstImgData.Pixels;
ipx = 0;
for (i = 0; i < m_iReSizeHeight; i++)
{
for (j = 0; j < m_iReSizeWidth; j++)
{
data[i, j] = Convert.ToDouble(pixelData[ipx]);
ipx += 1;
}
}
}
else
{
if (m_bDownSample)
{
data = ArrFactory.DoubleArray(nHeight / 2, nWidth / 2);
ipx = 0;
Byte[] imData = exEl.ByteData;
for (i = 0; i < nHeight; i++)
{
for (j = 0; j < nWidth; j++)
{
data[i, j] = Convert.ToDouble(imData[ipx]);
ipx += 2;
}
}
}
else
{
data = ArrFactory.DoubleArray(exEl.DoubleDataMatrix);
}
}
if (m_bGlocalTrans)
{
data = DataTransform.GlocalTransform(data, _localWidth, _localHeight);
}
return(data);
}