Exemple #1
0
void RetinaImpl::setup(cv::FileStorage &fs, const bool applyDefaultSetupOnFailure)
{
    try
    {
        // read parameters file if it exists or apply default setup if asked for
        if (!fs.isOpened())
        {
            printf("Retina::setup: provided parameters file could not be open... skeeping configuration\n");
            return;
            // implicit else case : retinaParameterFile could be open (it exists at least)
        }
                // OPL and Parvo init first... update at the same time the parameters structure and the retina core
        cv::FileNode rootFn = fs.root(), currFn=rootFn["OPLandIPLparvo"];
        currFn["colorMode"]>>_retinaParameters.OPLandIplParvo.colorMode;
        currFn["normaliseOutput"]>>_retinaParameters.OPLandIplParvo.normaliseOutput;
        currFn["photoreceptorsLocalAdaptationSensitivity"]>>_retinaParameters.OPLandIplParvo.photoreceptorsLocalAdaptationSensitivity;
        currFn["photoreceptorsTemporalConstant"]>>_retinaParameters.OPLandIplParvo.photoreceptorsTemporalConstant;
        currFn["photoreceptorsSpatialConstant"]>>_retinaParameters.OPLandIplParvo.photoreceptorsSpatialConstant;
        currFn["horizontalCellsGain"]>>_retinaParameters.OPLandIplParvo.horizontalCellsGain;
        currFn["hcellsTemporalConstant"]>>_retinaParameters.OPLandIplParvo.hcellsTemporalConstant;
        currFn["hcellsSpatialConstant"]>>_retinaParameters.OPLandIplParvo.hcellsSpatialConstant;
        currFn["ganglionCellsSensitivity"]>>_retinaParameters.OPLandIplParvo.ganglionCellsSensitivity;
        setupOPLandIPLParvoChannel(_retinaParameters.OPLandIplParvo.colorMode, _retinaParameters.OPLandIplParvo.normaliseOutput, _retinaParameters.OPLandIplParvo.photoreceptorsLocalAdaptationSensitivity, _retinaParameters.OPLandIplParvo.photoreceptorsTemporalConstant, _retinaParameters.OPLandIplParvo.photoreceptorsSpatialConstant, _retinaParameters.OPLandIplParvo.horizontalCellsGain, _retinaParameters.OPLandIplParvo.hcellsTemporalConstant, _retinaParameters.OPLandIplParvo.hcellsSpatialConstant, _retinaParameters.OPLandIplParvo.ganglionCellsSensitivity);

        // init retina IPL magno setup... update at the same time the parameters structure and the retina core
        currFn=rootFn["IPLmagno"];
        currFn["normaliseOutput"]>>_retinaParameters.IplMagno.normaliseOutput;
        currFn["parasolCells_beta"]>>_retinaParameters.IplMagno.parasolCells_beta;
        currFn["parasolCells_tau"]>>_retinaParameters.IplMagno.parasolCells_tau;
        currFn["parasolCells_k"]>>_retinaParameters.IplMagno.parasolCells_k;
        currFn["amacrinCellsTemporalCutFrequency"]>>_retinaParameters.IplMagno.amacrinCellsTemporalCutFrequency;
        currFn["V0CompressionParameter"]>>_retinaParameters.IplMagno.V0CompressionParameter;
        currFn["localAdaptintegration_tau"]>>_retinaParameters.IplMagno.localAdaptintegration_tau;
        currFn["localAdaptintegration_k"]>>_retinaParameters.IplMagno.localAdaptintegration_k;

        setupIPLMagnoChannel(_retinaParameters.IplMagno.normaliseOutput, _retinaParameters.IplMagno.parasolCells_beta, _retinaParameters.IplMagno.parasolCells_tau, _retinaParameters.IplMagno.parasolCells_k, _retinaParameters.IplMagno.amacrinCellsTemporalCutFrequency,_retinaParameters.IplMagno.V0CompressionParameter, _retinaParameters.IplMagno.localAdaptintegration_tau, _retinaParameters.IplMagno.localAdaptintegration_k);

    }
    catch(Exception &e)
    {
        printf("RetinaImpl::setup: resetting retina with default parameters\n");
        if (applyDefaultSetupOnFailure)
        {
            setupOPLandIPLParvoChannel();
            setupIPLMagnoChannel();
        }
        printf("Retina::setup: wrong/unappropriate xml parameter file : error report :`n=>%s\n", e.what());
        printf("=> keeping current parameters\n");
    }

    // report current configuration
    printf("%s\n", printSetup().c_str());
}
Exemple #2
0
void RetinaImpl::setup(Retina::RetinaParameters newConfiguration)
{
    // simply copy structures
    memcpy(&_retinaParameters, &newConfiguration, sizeof(Retina::RetinaParameters));
    // apply setup
    setupOPLandIPLParvoChannel(_retinaParameters.OPLandIplParvo.colorMode, _retinaParameters.OPLandIplParvo.normaliseOutput, _retinaParameters.OPLandIplParvo.photoreceptorsLocalAdaptationSensitivity, _retinaParameters.OPLandIplParvo.photoreceptorsTemporalConstant, _retinaParameters.OPLandIplParvo.photoreceptorsSpatialConstant, _retinaParameters.OPLandIplParvo.horizontalCellsGain, _retinaParameters.OPLandIplParvo.hcellsTemporalConstant, _retinaParameters.OPLandIplParvo.hcellsSpatialConstant, _retinaParameters.OPLandIplParvo.ganglionCellsSensitivity);
    setupIPLMagnoChannel(_retinaParameters.IplMagno.normaliseOutput, _retinaParameters.IplMagno.parasolCells_beta, _retinaParameters.IplMagno.parasolCells_tau, _retinaParameters.IplMagno.parasolCells_k, _retinaParameters.IplMagno.amacrinCellsTemporalCutFrequency,_retinaParameters.IplMagno.V0CompressionParameter, _retinaParameters.IplMagno.localAdaptintegration_tau, _retinaParameters.IplMagno.localAdaptintegration_k);

}
// private method called by constructirs
void Retina::_init(const std::string parametersSaveFile, const cv::Size inputSize, const bool colorMode, RETINA_COLORSAMPLINGMETHOD colorSamplingMethod, const bool useRetinaLogSampling, const double reductionFactor, const double samplingStrenght)
{
	_parametersSaveFileName = parametersSaveFile;

	// basic error check
	if (inputSize.height*inputSize.width <= 0)
		throw cv::Exception(-1, "Bad retina size setup : size height and with must be superior to zero", "Retina::setup", "Retina.h", 0);

	unsigned int nbPixels=inputSize.height*inputSize.width;
	// resize buffers if size does not match
	_inputBuffer.resize(nbPixels*3); // buffer supports gray images but also 3 channels color buffers... (larger is better...)

	// allocate the retina model
    delete _retinaFilter;
	_retinaFilter = new RetinaFilter(inputSize.height, inputSize.width, colorMode, colorSamplingMethod, useRetinaLogSampling, reductionFactor, samplingStrenght);

	// prepare the parameter XML tree
	_parametersSaveFile.open(parametersSaveFile, cv::FileStorage::WRITE );

	_parametersSaveFile<<"InputSize"<<"{";
	_parametersSaveFile<<"height"<<inputSize.height;
	_parametersSaveFile<<"width"<<inputSize.width;
	_parametersSaveFile<<"}";

	// clear all retina buffers
	// apply default setup
	setupOPLandIPLParvoChannel();
	setupIPLMagnoChannel();

	// write current parameters to params file
	_parametersSaveFile.release();

	// init retina
	_retinaFilter->clearAllBuffers();

	// report current configuration
	std::cout<<printSetup()<<std::endl;
}
Exemple #4
0
void RetinaImpl::setup(String retinaParameterFile, const bool applyDefaultSetupOnFailure)
{
    try
    {
        // opening retinaParameterFile in read mode
        cv::FileStorage fs(retinaParameterFile, cv::FileStorage::READ);
        setup(fs, applyDefaultSetupOnFailure);
    }
    catch(Exception &e)
    {
        printf("Retina::setup: wrong/unappropriate xml parameter file : error report :`n=>%s\n", e.what());
        if (applyDefaultSetupOnFailure)
        {
            printf("Retina::setup: resetting retina with default parameters\n");
            setupOPLandIPLParvoChannel();
            setupIPLMagnoChannel();
        }
        else
        {
            printf("=> keeping current parameters\n");
        }
    }
}
void Retina::setup(std::string retinaParameterFile, const bool applyDefaultSetupOnFailure)
{
	// open specified parameters file
	std::cout<<"Retina::setup: setting up retina from parameter file : "<<retinaParameterFile<<std::endl;

	// very UGLY cases processing... to be updated...

	try
	{

		// rewriting a new parameter file...
		if (_parametersSaveFile.isOpened())
			_parametersSaveFile.release();
		_parametersSaveFile.open(_parametersSaveFileName, cv::FileStorage::WRITE);
		// opening retinaParameterFile in read mode
		cv::FileStorage fs(retinaParameterFile, cv::FileStorage::READ);
		// read parameters file if it exists or apply default setup if asked for
		if (!fs.isOpened())
		{
			std::cout<<"Retina::setup: provided parameters file could not be open... skeeping configuration"<<std::endl;
			return;
			// implicit else case : retinaParameterFile could be open (it exists at least)
		}

		// preparing parameter setup
		bool colorMode, normaliseOutput;
		double photoreceptorsLocalAdaptationSensitivity, photoreceptorsTemporalConstant, photoreceptorsSpatialConstant, horizontalCellsGain, hcellsTemporalConstant, hcellsSpatialConstant, ganglionCellsSensitivity;
		// OPL and Parvo init first
		cv::FileNode rootFn = fs.root(), currFn=rootFn["OPLandIPLparvo"];
		currFn["colorMode"]>>colorMode;
		currFn["normaliseOutput"]>>normaliseOutput;
		currFn["photoreceptorsLocalAdaptationSensitivity"]>>photoreceptorsLocalAdaptationSensitivity;
		currFn["photoreceptorsTemporalConstant"]>>photoreceptorsTemporalConstant;
		currFn["photoreceptorsSpatialConstant"]>>photoreceptorsSpatialConstant;
		currFn["horizontalCellsGain"]>>horizontalCellsGain;
		currFn["hcellsTemporalConstant"]>>hcellsTemporalConstant;
		currFn["hcellsSpatialConstant"]>>hcellsSpatialConstant;
		currFn["ganglionCellsSensitivity"]>>ganglionCellsSensitivity;
		setupOPLandIPLParvoChannel(colorMode, normaliseOutput, photoreceptorsLocalAdaptationSensitivity, photoreceptorsTemporalConstant, photoreceptorsSpatialConstant, horizontalCellsGain, hcellsTemporalConstant, hcellsSpatialConstant, ganglionCellsSensitivity);

		// init retina IPL magno setup
		currFn=rootFn["IPLmagno"];
		currFn["normaliseOutput"]>>normaliseOutput;
		double parasolCells_beta, parasolCells_tau, parasolCells_k, amacrinCellsTemporalCutFrequency, V0CompressionParameter, localAdaptintegration_tau, localAdaptintegration_k;
		currFn["parasolCells_beta"]>>parasolCells_beta;
		currFn["parasolCells_tau"]>>parasolCells_tau;
		currFn["parasolCells_k"]>>parasolCells_k;
		currFn["amacrinCellsTemporalCutFrequency"]>>amacrinCellsTemporalCutFrequency;
		currFn["V0CompressionParameter"]>>V0CompressionParameter;
		currFn["localAdaptintegration_tau"]>>localAdaptintegration_tau;
		currFn["localAdaptintegration_k"]>>localAdaptintegration_k;

		setupIPLMagnoChannel(normaliseOutput, parasolCells_beta, parasolCells_tau, parasolCells_k, amacrinCellsTemporalCutFrequency,
				V0CompressionParameter, localAdaptintegration_tau, localAdaptintegration_k);

	}catch(Exception &e)
	{
		std::cout<<"Retina::setup: resetting retina with default parameters"<<std::endl;
		if (applyDefaultSetupOnFailure)
		{
			setupOPLandIPLParvoChannel();
			setupIPLMagnoChannel();
		}
		std::cout<<"Retina::setup: wrong/unappropriate xml parameter file : error report :`n=>"<<e.what()<<std::endl;
		std::cout<<"=> keeping current parameters"<<std::endl;
	}
	_parametersSaveFile.release(); // close file after setup
	// report current configuration
	std::cout<<printSetup()<<std::endl;
}