retina model parameters structure
For better clarity, check explenations on the comments of methods : setupOPLandIPLParvoChannel and setupIPLMagnoChannel
Here is the default configuration file of the retina module. It gives results such as the first retina output shown on the top of this page.
4 <colorMode>1</colorMode>
5 <normaliseOutput>1</normaliseOutput>
6 <photoreceptorsLocalAdaptationSensitivity>7.5e-01</photoreceptorsLocalAdaptationSensitivity>
7 <photoreceptorsTemporalConstant>9.0e-01</photoreceptorsTemporalConstant>
8 <photoreceptorsSpatialConstant>5.3e-01</photoreceptorsSpatialConstant>
9 <horizontalCellsGain>0.01</horizontalCellsGain>
10 <hcellsTemporalConstant>0.5</hcellsTemporalConstant>
11 <hcellsSpatialConstant>7.</hcellsSpatialConstant>
12 <ganglionCellsSensitivity>7.5e-01</ganglionCellsSensitivity></OPLandIPLparvo>
14 <normaliseOutput>1</normaliseOutput>
15 <parasolCells_beta>0.</parasolCells_beta>
16 <parasolCells_tau>0.</parasolCells_tau>
17 <parasolCells_k>7.</parasolCells_k>
18 <amacrinCellsTemporalCutFrequency>2.0e+00</amacrinCellsTemporalCutFrequency>
19 <V0CompressionParameter>9.5e-01</V0CompressionParameter>
20 <localAdaptintegration_tau>0.</localAdaptintegration_tau>
21 <localAdaptintegration_k>7.</localAdaptintegration_k></IPLmagno>
Here is the 'realistic" setup used to obtain the second retina output shown on the top of this page.
4 <colorMode>1</colorMode>
5 <normaliseOutput>1</normaliseOutput>
6 <photoreceptorsLocalAdaptationSensitivity>8.9e-01</photoreceptorsLocalAdaptationSensitivity>
7 <photoreceptorsTemporalConstant>9.0e-01</photoreceptorsTemporalConstant>
8 <photoreceptorsSpatialConstant>5.3e-01</photoreceptorsSpatialConstant>
9 <horizontalCellsGain>0.3</horizontalCellsGain>
10 <hcellsTemporalConstant>0.5</hcellsTemporalConstant>
11 <hcellsSpatialConstant>7.</hcellsSpatialConstant>
12 <ganglionCellsSensitivity>8.9e-01</ganglionCellsSensitivity></OPLandIPLparvo>
14 <normaliseOutput>1</normaliseOutput>
15 <parasolCells_beta>0.</parasolCells_beta>
16 <parasolCells_tau>0.</parasolCells_tau>
17 <parasolCells_k>7.</parasolCells_k>
18 <amacrinCellsTemporalCutFrequency>2.0e+00</amacrinCellsTemporalCutFrequency>
19 <V0CompressionParameter>9.5e-01</V0CompressionParameter>
20 <localAdaptintegration_tau>0.</localAdaptintegration_tau>
21 <localAdaptintegration_k>7.</localAdaptintegration_k></IPLmagno>