Further results on relationship between spectral unmixing and subspace projection

  title={Further results on relationship between spectral unmixing and subspace projection},
  author={Chein-I Chang},
  journal={IEEE Trans. Geoscience and Remote Sensing},
A recent short communication [1] showed that an orthogonal subspace projection (OSP) classifier developed for hyperspectral image classification in [2] was equivalent to a maximum likelihood estimator (MLE) resulting from a standard method of linear unmixing. It further concluded that the MLE subsumed the OSP classifier in spite of a constant difference in their magnitudes. Coincidentally, the equivalence of the OSP approach to linear unmixing was also derived in [3] and [4] by using the least… CONTINUE READING
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