Chapter 5 Outline
Overview
Transmission of Visual Signals
- Overview of transmission steps
- Availability and quality of ambient light
- Contrast with background
- Transmission from sender to receiver
- Signal detectability
Coupling from the Medium to the Receptor
- The evolution of light-collecting strategies
- Transparent lenses
- Focusing the light
- Controlling the amount of entering light
Reception of Visual Signals
- The visual pigment
- Photoreceptor cells
- The retina
- Resolution and sensitivity
- Field of view
Visual Processing
- Color vision
- Feature detectors
- Depth perception