Is an image a random variable or a random process?

1. Is image a random variable?
2. What is random variable and random process?
3. What is an example of a random process?
4. What are examples of random variables?

Is image a random variable?

While there are some obvious exception to it ("static" pattern on a television screen, the "dark frame" noise pattern of a camera), images are rarely generated by random processes.

What is random variable and random process?

A random variable is a function X(e) that maps the set of ex- periment outcomes to the set of numbers. • A random process is a rule that maps every outcome e of an experiment to a function X(t, e).

What is an example of a random process?

Tossing the die is an example of a random process; • The number on top is the value of the random variable. 2. Toss two dice and take the sum of the numbers that land up. Tossing the dice is the random process; • The sum is the value of the random variable.

What are examples of random variables?

A typical example of a random variable is the outcome of a coin toss. Consider a probability distribution in which the outcomes of a random event are not equally likely to happen. If the random variable Y is the number of heads we get from tossing two coins, then Y could be 0, 1, or 2.