Digital Image Processing Quiz ch2

What is a digital image?

• A series of sounds

• A set of letters

• A multidimensional array of numbers

• A collection of shapes

What is the function of the iris diaphragm in the human eye?

• Controls the amount of light entering the eye

• Controls the color perception

• Controls the eye movement

• Controls the pupil size

What is the purpose of cones in the retina?

• Responsible for dim light vision

• Involved in color vision

• Sensitive to low light levels

• Not involved in color vision

What is the blind spot in the human eye?

• The part responsible for color vision

• The region of emergence of the optic nerve from the eye

• The area with the highest concentration of rods

• The area with the highest concentration of cones

What does RGB stand for in the context of digital images?

• Rough, Gold, Bronze

• Rapid, Gray, Brown

• Real, Green, Black

• Red, Green, Blue

What is the purpose of image sampling in digital image acquisition?

• Involve in color vision

• Control the pupil size

• Control the amount of light entering the eye

• Discretize an image in the spatial domain

How is the number of bits required to store a digitized image calculated?

• N - M - k

• N / M / k

• N + M + k

• N x M x k

What does the resolution of an image depend on?

• The color of the image

• The size of the image

• Sample number and gray level number

• The type of image sensor used

What is the purpose of neighborhood relation in digital images?

• To involve in color vision

• To tell adjacent pixels

• To control the pupil size

• To control the amount of light entering the eye

What does the 8-neighborhood relation consider in digital images?

• Only vertical and horizontal neighbors

• All neighbor pixels

• Only diagonal neighbor pixels

• The brightness of the image