void CropTransformer::InitFromConfig(const ConfigParameters &config)
{
floatargvector cropRatio = config(L"cropRatio", "1.0");
m_cropRatioMin = cropRatio[0];
m_cropRatioMax = cropRatio[1];
if (!(0 < m_cropRatioMin && m_cropRatioMin <= 1.0) ||
!(0 < m_cropRatioMax && m_cropRatioMax <= 1.0) ||
m_cropRatioMin > m_cropRatioMax)
{
RuntimeError("Invalid cropRatio value, must be > 0 and <= 1. cropMin must "
"<= cropMax");
}
m_jitterType = ParseJitterType(config(L"jitterType", ""));
if (!config.ExistsCurrent(L"hflip"))
{
m_hFlip = m_imageConfig->GetCropType() == CropType::Random;
}
else
{
m_hFlip = config(L"hflip");
}
m_aspectRatioRadius = config(L"aspectRatioRadius", ConfigParameters::Array(doubleargvector(vector<double>{0.0})));
}
IntensityTransformer::IntensityTransformer(const ConfigParameters &config) : ImageTransformerBase(config)
{
m_stdDev = config(L"intensityStdDev", ConfigParameters::Array(doubleargvector(vector<double>{0.0})));
std::wstring intFile = config(L"intensityFile", L"");
if (intFile.empty())
{
m_eigVal.release();
m_eigVec.release();
}
else
{
cv::FileStorage fs;
fs.open(msra::strfun::utf8(intFile).c_str(), cv::FileStorage::READ);
if (!fs.isOpened())
RuntimeError("Could not open file: %ls", intFile.c_str());
fs["EigVal"] >> m_eigVal;
if (m_eigVal.rows != 1 || m_eigVal.cols != 3 || m_eigVal.channels() != 1)
RuntimeError("Invalid EigVal data in file: %ls", intFile.c_str());
fs["EigVec"] >> m_eigVec;
if (m_eigVec.rows != 3 || m_eigVec.cols != 3 || m_eigVec.channels() != 1)
RuntimeError("Invalid EigVec data in file: %ls", intFile.c_str());
fs.release();
}
}
ColorTransformer::ColorTransformer(const ConfigParameters &config) : ImageTransformerBase(config)
{
m_brightnessRadius = config(L"brightnessRadius", ConfigParameters::Array(doubleargvector(vector<double>{0.0})));
m_contrastRadius = config(L"contrastRadius", ConfigParameters::Array(doubleargvector(vector<double>{0.0})));
m_saturationRadius = config(L"saturationRadius", ConfigParameters::Array(doubleargvector(vector<double>{0.0})));
}
