Geography · Remote Sensing and GIS
Which of the following characteristics are TRUE with respect to Supervised Digital Image Classification? 1. Requires labelled training data for each class2. Uses unsupervised clustering algorithms to group pixels3. Prior knowledge of class identity is required4. Classes are obtained purely from spectral data patterns without training
- 11 and 2 only
- 22 and 3 only
- 32 and 4 only
- 41 and 3 only✓
Correct answer
1 and 3 only
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