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>7.5
e-01</
photoreceptorsLocalAdaptationSensitivity>
7 <
photoreceptorsTemporalConstant>9.0
e-01</
photoreceptorsTemporalConstant>
8 <
photoreceptorsSpatialConstant>5.3
e-01</
photoreceptorsSpatialConstant>
9 <
horizontalCellsGain>0.01</
horizontalCellsGain>
10 <
hcellsTemporalConstant>0.5</
hcellsTemporalConstant>
11 <
hcellsSpatialConstant>7.</
hcellsSpatialConstant>
12 <
ganglionCellsSensitivity>7.5
e-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>2.0
e+00</
amacrinCellsTemporalCutFrequency>
19 <
V0CompressionParameter>9.5
e-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>8.9
e-01</
photoreceptorsLocalAdaptationSensitivity>
7 <
photoreceptorsTemporalConstant>9.0
e-01</
photoreceptorsTemporalConstant>
8 <
photoreceptorsSpatialConstant>5.3
e-01</
photoreceptorsSpatialConstant>
9 <
horizontalCellsGain>0.3</
horizontalCellsGain>
10 <
hcellsTemporalConstant>0.5</
hcellsTemporalConstant>
11 <
hcellsSpatialConstant>7.</
hcellsSpatialConstant>
12 <
ganglionCellsSensitivity>8.9
e-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>2.0
e+00</
amacrinCellsTemporalCutFrequency>
19 <
V0CompressionParameter>9.5
e-01</
V0CompressionParameter>
20 <
localAdaptintegration_tau>0.</
localAdaptintegration_tau>
21 <
localAdaptintegration_k>7.</
localAdaptintegration_k></
IPLmagno>