Digital Image Processing Questions and Answers – Elements of Visual Perception

This set of Digital Image Processing Multiple Choice Questions & Answers (MCQs) focuses on “Elements of Visual Perception”.

1. Which of the following is a receptor in the retina of human eye?
a) Rods
b) Cones
c) Rods and Cones
d) Neither Rods nor Cones
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2. How is image formation in the eye different from that in a photographic camera
a) No difference
b) Variable focal length
c) Varying distance between lens and imaging plane
d) Fixed focal length
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3. Range of light intensity levels to which the human eye can adapt (in Log of Intensity-mL)
a) 10^-6 to 10^-4
b) 10⁴ to 10⁶
c) 10^-6 to 10⁴
d) 10^-5 to 10⁵
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4. What is subjective brightness?
a) Related to intensity
b) Related to brightness
c) Related to image perception
d) Related to image formation
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5. What is brightness adaptation?
a) Changing the eye’s overall sensitivity
b) Changing the eye’s imaging ability
c) Adjusting the focal length
d) Transition from scotopic to photopic vision
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6. The inner most membrane of the human eye is
a) Blind Spot
b) Sclera
c) Choroid
d) Retina
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7. What is the function of Iris?
a) Source of nutrition
b) Detect color
c) Varies focal length
d) Control amount of light
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8. ________ serve to a general, overall picture of the field of view.
a) Cones
b) Rods
c) Retina
d) All of the Mentioned
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9. Ratio of number of rods to the number of cones is _______
a) 1:20
b) 1:2
c) 1:1
d) 1:5
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10. The absence of receptors is in the retinal area called _____________
a) Lens
b) Ciliary body
c) Blind spot
d) Fovea
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Sanfoundry Global Education & Learning Series – Digital Image Processing.

To practice all areas of Digital Image Processing, here is complete set of 1000+ Multiple Choice Questions and Answers.