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Questions and Answers
What is an advantage of bilinear interpolation over nearest neighbor method?
What is an advantage of bilinear interpolation over nearest neighbor method?
- It provides a more spatially accurate result (correct)
- It produces a stair-step effect in the image
- It reduces contrast by averaging neighbouring values
- It is faster in computation
What is a challenge in cloud screening over bright surfaces?
What is a challenge in cloud screening over bright surfaces?
- Separating clouds from thick aerosol loading
- Identifying snow and ice
- Distinguishing clouds from bright sand
- All of the above (correct)
What spectral band is used in Landsat 8 for cloud detection?
What spectral band is used in Landsat 8 for cloud detection?
- Cirrus band 9 (correct)
- Cirrus band 12
- Cirrus band 5
- Cirrus band 1
What is a disadvantage of bilinear interpolation?
What is a disadvantage of bilinear interpolation?
What affects information retrieval from an image?
What affects information retrieval from an image?
What is the result of bilinear interpolation on an image?
What is the result of bilinear interpolation on an image?
What is the characteristic of the noise that causes images to have a 'salt and pepper' or 'snowy' appearance?
What is the characteristic of the noise that causes images to have a 'salt and pepper' or 'snowy' appearance?
How can bad pixels be identified in an image?
How can bad pixels be identified in an image?
What is the purpose of radiometric correction in remote sensing?
What is the purpose of radiometric correction in remote sensing?
What is the typical size of a moving neighbourhood used in noise removal procedures?
What is the typical size of a moving neighbourhood used in noise removal procedures?
What is the term used to describe the removal of stripe noise from an image?
What is the term used to describe the removal of stripe noise from an image?
What is the method of replacing a noisy pixel value with the average of its neighbouring values?
What is the method of replacing a noisy pixel value with the average of its neighbouring values?
What is the primary goal of image enhancement in digital image processing?
What is the primary goal of image enhancement in digital image processing?
What is the process of digitally identifying and classifying pixels and each object in the image?
What is the process of digitally identifying and classifying pixels and each object in the image?
What is the primary purpose of image filtering in digital image processing?
What is the primary purpose of image filtering in digital image processing?
What is the primary goal of data merging or data fusion in digital image processing?
What is the primary goal of data merging or data fusion in digital image processing?
What is the characteristic of Tier 1 in Landsat Collections?
What is the characteristic of Tier 1 in Landsat Collections?
What is the primary use of Real-Time Tier in Landsat Collections?
What is the primary use of Real-Time Tier in Landsat Collections?
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