Remote Sensing Image Processing — MCQs | Digital Image Processing

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1. What is the primary source of data in remote sensing systems?



2. Which type of remote sensing uses emitted radiation from the object itself?



3. What does a multispectral image capture?



4. Which sensor is used in Synthetic Aperture Radar (SAR)?



5. What is the purpose of atmospheric correction in remote sensing images?



6. Which classification technique uses labeled training data in remote sensing?



7. Which remote sensing technique is best for analyzing vegetation health?



8. What does NDVI stand for?



9. Which satellite is part of the Landsat series?



10. What is the typical spatial resolution of high-resolution commercial satellites?



11. Which sensor system works during both day and night?



12. What is hyperspectral imaging used for in remote sensing?



13. Which technique is commonly used for land cover classification?



14. Which of the following is an active remote sensing technique?



15. What is geometric correction in remote sensing?



16. Which image processing method reduces speckle noise in SAR images?



17. In remote sensing, what does radiometric resolution refer to?



18. What is the function of MODIS sensor?



19. Which satellite system offers high temporal resolution?



20. Which band is typically used for water body extraction in remote sensing?



21. Which of the following is a free remote sensing data provider?



22. What is the main advantage of using remote sensing for environmental monitoring?



23. Which of the following is not a type of image resolution in remote sensing?



24. What does a high spatial resolution image provide?



25. Which algorithm is used for unsupervised image classification?



26. Which atmospheric phenomenon can distort remote sensing images?



27. What is orthorectification in remote sensing?



28. Which of the following satellites is used for meteorological purposes?



29. What is the primary function of LIDAR in remote sensing?



30. Which remote sensing technique is best for underground mapping?



31. Which electromagnetic spectrum region is used in thermal remote sensing?



32. What does the term ‘panchromatic image’ refer to?



33. Which of the following processes converts digital numbers to reflectance values?



34. What is the revisit period of a satellite?



35. Which organization operates the Sentinel satellite series?



36. Which satellite sensor provides high spectral resolution data?



37. Which remote sensing data type uses brightness temperature?



38. Which of the following is a limitation of passive sensors?



39. Which software is commonly used for remote sensing image processing?



40. What is the role of the histogram in remote sensing image processing?



41. Which band combination is best for detecting healthy vegetation?



42. Which of the following is an example of data fusion in remote sensing?



43. Which parameter is crucial for terrain mapping using stereo images?



44. What is the main source of error in remote sensing image classification?



45. Which type of sensor captures images in a pushbroom manner?



46. Which factor does NOT affect spectral signature?



47. Which tool helps analyze temporal changes in land use using remote sensing?



48. What is the main advantage of using UAVs in remote sensing?



49. What is the primary advantage of hyperspectral imaging over multispectral imaging in remote sensing?



50. Which remote sensing technique is most suitable for measuring surface elevation?



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