Color Image Enhancement — MCQs | Digital Image Processing

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1. Who typically benefits most from color image enhancement in medical imaging applications?



2. Which of the following is a goal of color image enhancement?



3. What does histogram equalization in color images aim to enhance?



4. Which component is typically processed separately in HSI-based color enhancement?



5. Which color model allows more intuitive manipulation of color enhancement for human vision?



6. Which of the following is a nonlinear technique for color enhancement?



7. In histogram equalization of color images, which approach helps prevent color distortion?



8. Which of the following is a common problem when enhancing color images using the RGB model directly?



9. What is the main advantage of working in the HSI space for color enhancement?



10. Which transform is often applied before enhancement to improve computational efficiency?



11. Which of the following is often used to enhance underexposed regions in color images?



12. Which operation is typically used for global contrast enhancement in color images?



13. Which domain is most commonly used in color image enhancement for feature highlighting?



14. What is a primary goal of contrast stretching in color image enhancement?



15. Which of the following is typically true in color image enhancement techniques?



16. Which component in YCbCr is most related to brightness?



17. Why is YCbCr color space useful in image enhancement?



18. Which technique enhances local contrast in specific regions of a color image?



19. What does saturation control in an image?



20. In color image enhancement, what can result from independently equalizing RGB channels?



21. Which technique is used to prevent noise amplification in enhanced color images?



22. What does gamma correction mainly affect in an image?



23. What type of filtering helps improve low contrast in color images?



24. Which method ensures better color preservation during enhancement?



25. Which of the following is a key step before enhancing satellite images in color?



26. Which type of enhancement is preferred for real-time color video?



27. Which component in the HSV model helps control how “pure” a color appears?



28. What is the effect of applying a logarithmic transform on a color image?



29. Which model is commonly used in television broadcasting and is suitable for enhancement?



30. What does chrominance represent in a color image?



31. Why is histogram equalization not always suitable for color images?



32. Which function maps pixel values non-linearly in image enhancement?



33. Which space is typically used for face enhancement and detection?



34. Which color enhancement technique is used for improving underwater images?



35. What is one disadvantage of enhancing images in the RGB model?



36. Which color enhancement technique adjusts color balance in shadows and highlights?



37. Which color enhancement is often used in artistic and cinematic applications?



38. What does CLAHE stand for in image enhancement?



39. Which enhancement technique prevents over-enhancement in uniform areas?



40. What happens if color enhancement is too aggressive?



41. Which of the following is used to enhance shadows without affecting highlights?



42. Why is tone mapping used in color image enhancement?



43. What is the main function of color correction in image enhancement?



44. Which of the following helps achieve color constancy in images?



45. What does dynamic range compression aim to achieve?



46. Which color model is generally not perceptually uniform?



47. Which space is best suited for perceptual uniformity in enhancement?



48. What is the main advantage of working with Lab color space in enhancement tasks?



49. Which tool is used to adjust brightness, contrast, and color balance in one interface?



50. Which enhancement strategy helps balance local and global contrast?



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