Virtual Labs

Colour Image Processing

1. Given a colour image with a dark appearance, which color model should you use so that the processing preserves the colour but brightens the image?

a: RGB b: HSI c: CMY d: None of the above

2. A surface coated with cyan pigment is illuminated with white light. Choose the correct option.

a: No red light is reflected from the surface. b: Only red light is reflected from the surface. c: All red and blue lights are reflected from the surface. d: All red and blue lights are reflected from the surface.