Human Visual System (HVS) — MCQs | Digital Image Processing

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1. : What is the primary function of the Human Visual System (HVS)?



2. : Which part of the eye focuses light onto the retina?



3. : Which cells in the retina are responsible for color vision?



4. : What type of cells detect light intensity and motion?



5. : The region of the retina with the highest concentration of cones is called the:



6. : Which phenomenon explains why we see sharp details at the center of our vision?



7. : Rod cells are highly sensitive to:



8. : Which is NOT a type of cone cell in the human eye?



9. : Human eyes are most sensitive to which color?



10. : The blind spot in the eye is located at the:



11. : What causes the blind spot in the human eye?



12. : What is the approximate number of rods in the human retina?



13. : How many cone cells are in the human retina approximately?



14. : Which part of the eye regulates the amount of light entering?



15. : Which term describes the ability to distinguish fine details?



16. : The delay in human perception of motion is known as:



17. : Visual information from the retina is transmitted to the brain via the:



18. : Which brain region processes visual signals?



19. : The HVS is more sensitive to changes in:



20. : Which phenomenon describes reduced sensitivity to a constant stimulus?



21. : Color blindness is typically caused by:



22. : What color model closely relates to human perception?



23. : What determines perceived brightness in an image?



24. : The minimum change in intensity that the HVS can detect is called:



25. : HVS is less sensitive to:



26. : What is visual masking?



27. : The color sensitivity of the HVS peaks at:



28. : The human eye responds to wavelengths in the range:



29. : Visual contrast is perceived better in which light condition?



30. : Which component simulates the HVS in digital systems?



31. : Visual masking helps in which digital process?



32. : What is the main cause of eye fatigue in digital display usage?



33. : Temporal resolution of HVS refers to its sensitivity to:



34. : Which frequency range does HVS best perceive?



35. : HVS is modeled using which function in image compression?



36. : In which situation does the HVS fail to distinguish small details?



37. : Which illusion demonstrates the edge enhancement by HVS?



38. : What is chromatic adaptation?



39. : What is the response of the HVS to constant exposure to a single color?



40. : Which component is used in image processing to mimic HVS brightness perception?



41. : Scotopic vision occurs in:



42. : Photopic vision refers to:



43. : HVS exhibits better resolution in:



44. : Which transformation is used for perceptual brightness modeling?



45. : Which image format uses HVS to compress better?



46. : In human vision, lateral inhibition improves:



47. : Which property of HVS is exploited in image quantization?



48. : What is the dynamic range of the HVS in bright light?



49. : Which method enhances images by mimicking HVS contrast sensitivity?



50. : Why does the HVS-based approach benefit image compression?



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