Pseudo-color & True-color Processing — MCQs | Digital Image Processing

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1. What is the main purpose of pseudo-color image processing?



2. Which of the following is NOT typically used in pseudo-coloring techniques?



3. Which technique divides an image’s gray levels into ranges and assigns each range a color?



4. In pseudo-color processing, what is assigned to specific ranges of intensity values?



5. True-color images are typically represented using how many color channels?



6. Which color model is most commonly used for true-color images?



7. How many bits per pixel are required to represent a 24-bit true-color image?



8. In a true-color image, the red, green, and blue components are each represented using how many bits in a 24-bit image?



9. Which type of processing assigns colors to different ranges of grayscale values to create a pseudo-color image?



10. Pseudo-color is commonly used in which of the following applications?



11. Which method is NOT used in pseudo-color processing?



12. In pseudo-color processing, color assignment helps in:



13. Which of the following is true about true-color images?



14. A true-color image with 8 bits per channel can display how many different colors?



15. Which device commonly captures true-color images?



16. In pseudo-color processing, what is usually the input image?



17. Which term refers to the process of mapping grayscale intensities to colors?



18. What is a key advantage of pseudo-color images in data visualization?



19. Which color space is typically NOT used for pseudo-color mapping?



20. In true-color representation, what determines the color of each pixel?



21. Which application often uses pseudo-color to highlight temperature variations?



22. Which statement best describes pseudo-color processing?



23. How are colors selected in pseudo-color processing?



24. Which method is used in true-color image display?



25. What is the typical pixel depth of a pseudo-color image created from 8 gray levels?



26. True-color processing is essential in which of the following fields?



27. Pseudo-coloring can be particularly helpful in identifying:



28. What is a limitation of pseudo-color processing?



29. Which of the following is a benefit of true-color image display?



30. Pseudo-color techniques can be applied to:



31. How are pseudo-colors generally visualized?



32. Which tool is used to adjust how colors map to intensity values in pseudo-coloring?



33. In medical imaging, pseudo-color is applied to:



34. Which feature is best enhanced by pseudo-color processing in geological images?



35. Which format best supports true-color images?



36. What is the function of a color lookup table in pseudo-coloring?



37. True-color image processing often uses which type of display?



38. Which of the following color models is typically used in pseudo-color processing?



39. What distinguishes a true-color image from a pseudo-color image?



40. In intensity slicing, grayscale ranges are:



41. A pseudo-color image based on 3 intensity levels would have how many colors?



42. Which method converts grayscale images to false color using predefined ranges?



43. Why is pseudo-color helpful for interpreting thermal images?



44. In true-color display, what causes color variation between two pixels?



45. Pseudo-color processing is useful when:



46. Which of the following would be most suitable for pseudo-coloring a medical X-ray?



47. The term “false color” is another name for:



48. True-color images preserve:



49. Which of the following processes is NOT involved in pseudo-coloring?



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