Prompt Supervised classification REQUIRES…

Choices (one per line; prefix correct one with * ) * A priori knowledge of land-use types and sample locations. No training data — the computer infers classes. Only an image and a decision rule. A DEM and atmospheric profile.

Plain English answer (default view) — what you'd actually write on the test

🔬 Technical version / model bullets (revealed on click) — one bullet per line Unsupervised (ISODATA) is the one that needs no a priori knowledge.

💡 Mnemonic / memory aid (shown on hover) Supervised = teacher needed (training samples). If the question says 'needs NO training data' that's UNSUPERVISED (ISODATA).