List of top Remote Sensing Questions on Classification accuracy assessment (error matrix) asked in GATE GE

An image analyst classifies an image into three classes, namely, water, vegetation and urban, using a simple classification technique. Using the reference data (ground truth) and classified data, the analyst prepares an error matrix, as shown in the table, and calculates accuracy values (Rounded off to the nearest integer value). Which of the following options is/are CORRECT?

		Reference data
	Land-cover classes	Water	Vegetation	Urban
Classification data	Water	48	12	10
	Vegetation	8	16	16
	Urban	14	12	84