9 Handheld imaging systems and scanners; computer hardware and embedded software for operating imaging apparatus; hands-free mounted imaging systems and scanners; image processing and display systems for imaging apparatus; interactive systems for controlling imaging apparatus; light filters including polarization and wavelength filters; motion tracking systems; specialized cameras (visible, infrared, and ultraviolet light); specialized light sources (laser, visible, infrared and ultraviolet light); specialized parts and add-ons for imaging apparatus