Retinal approaching object detector model implementation and validation

Recently identified mammalian retina circuit model, responsible for identifying looming objects, is implemented on mixed-signal focal-plane sensor-processor array. The free parameters of the implementation are characterized; their effects to the model are analyzed. The implemented model is calibrated with real stimuli with known kinetic and geometrical properties. As the calibration shows, the identified retina circuit is responsible for last minute detection of approaching objects.