The advantage of the YCrCb colour model over the RGB representation is that: O tallows more colours to be represented O It takes up less space O t allows animation O It splits intensity from colour information
The advantage of the YCrCb colour model over the RGB representation is that: O tallows more colours to be represented O It takes up less space O t allows animation O It splits intensity from colour information
Chapter7: Input/output Technology
Section: Chapter Questions
Problem 1VE
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correct answer for Q5
![Question 4
In colour vision what is the Purkinje shift (dark adaptation)?
O A move in colour sensitivity towards the blue end of the visible spectrum in low light conditions
O The ability to see colours well at night
O A physical shift of the retina to be closer to the lens in low light conditions
O The reason we see red light more intensely at night
Question 5
The advantage of the YCrCb colour model over the RGB representation is that:
O It allows more colours to be represented
O It takes up less space
O It allows animation
O It splits intensity from colour information
Question 6
JPEG makes use of the fact that human vision is very sensitive to small variations in brightness/colour and less sensitive to the strength of high-frequency brightness changes. This means that:
O We are good at seeing small colour changes between neighbouring pixels
O We can not see high-frequency changes in the image
O Low frequency changes appear as edges in the image
O High frequency changes appear blurred
o o o o](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F07564b0b-d8ba-4bcf-acc9-b43a23bb1f88%2F659b964d-8703-4c42-ab06-be0db00a3dd5%2Ffykht7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 4
In colour vision what is the Purkinje shift (dark adaptation)?
O A move in colour sensitivity towards the blue end of the visible spectrum in low light conditions
O The ability to see colours well at night
O A physical shift of the retina to be closer to the lens in low light conditions
O The reason we see red light more intensely at night
Question 5
The advantage of the YCrCb colour model over the RGB representation is that:
O It allows more colours to be represented
O It takes up less space
O It allows animation
O It splits intensity from colour information
Question 6
JPEG makes use of the fact that human vision is very sensitive to small variations in brightness/colour and less sensitive to the strength of high-frequency brightness changes. This means that:
O We are good at seeing small colour changes between neighbouring pixels
O We can not see high-frequency changes in the image
O Low frequency changes appear as edges in the image
O High frequency changes appear blurred
o o o o
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