Geography · Remote Sensing
Which of the following characteristics are TRUE regarding Supervised Digital Image Classification in remote sensing? 1. Requires labeled training data for each land-use class2. Uses clustering algorithms to group pixels without prior knowledge3. Prior knowledge of class identities and location is required4. Classes are derived automatically purely from spectral data patterns
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- 11 and 2 only
- 22 and 3 only
- 32 and 4 only
- 41 and 3 only✓
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1 and 3 only
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