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Multivariate Analysis of Three-Band Image Statistics for Satellite Imagery

Explore histogram, mean, variance, and covariance of three bands, along with correlation matrix, in multispectral satellite images. Statistical analysis on a digital number range of 0 to 7 for a 10x10 grid with 3 bands and 100 samples.

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Multivariate Analysis of Three-Band Image Statistics for Satellite Imagery

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  1. Multivariate Statistics

  2. You have three-band images. Your tasks are to: 1) make histogram of each band, 2) find mean, variance and standard deviation of each band, 3) calculate covariance matrix of three bands, and 4) calculate correlation matrix of three bands.

  3. Multispectral Satellite Image DN range = [0, 7], nrow=10, ncol=10, nband=3, N=100

  4. Histogram – Band 1

  5. Histogram – Band 2

  6. Histogram – Band 3

  7. Mean, Variance, STD Mean

  8. Covariance Matrix

  9. Correlation Matrix

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