Research Article

Evaluation of Image Enhancement Techniques for Vision-Based Navigation under Low Illumination

Table 1

Parameter values used for the parvo channel in the retina model.

ParameterValue

Photoreceptors Local Adaptation Sensitivity0.29
Photoreceptors Temporal Constant0.89
Photoreceptors Spatial Constant0.53
Horizontal Cells Gain0.3
Hcells Temporal Constant0.5
Hcells Spatial Constant4.0
Ganglion Cells Sensitivity0.29