RGB colours Flashcards
1
Q
Who was behind the study that discovered different cone cells?
A
- Bowmaker, Dartnall and Mallon in 1983.
2
Q
What is the function of the cornea?
A
- Focuses light to produce a clear image.
3
Q
What is the function of the iris?
A
- Controls the amount of light entering the eye.
4
Q
What is the function of the pupil?
A
- The entrance for light into the eye.
5
Q
What is the function of the retina?
A
- Light sensitive cells.
- Determine light or dark.
- Assembles image.
- Converts colour information into neural.
6
Q
What is the function of the lens?
A
- Adjusts to see near or far objects - changes the way it focuses light.
7
Q
How can we ensure colour matching from display to printer?
A
- Colour libraries such as Pantone.
8
Q
What are the issues with the RGB colour system?
A
- Not visually uniform.
- Not easily transferrable.
- Can’t describe our perception using RGB.
- Image manipulation is difficult better to use HSB, HSV or HSL.
- Limited colour range - wider gamut required.
9
Q
How would we increase the gamut of an RGB colour space and what effect would this have?
A
- Increase the bit depth.
- Would space RGB colours out.
10
Q
Why does RGB have multiple colour spaces?
A
- Different RGB primaries.
- Different Gamuts.
- Different Devices.
