Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Surveying Remote Sensing

Which of the following are common techniques in digital image processing?

1. Histogram Equalization

2. Masking

3. Band Rationing

4. Principal Component Analysis (PCA)

1
1, 2, and 4
2
 1, 3, and 4
3
2, 3, and 4
4
1, 2, 3, and 4
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