Enhancement of Coupled Multichannel Images Using Sparsity Constraints

  title={Enhancement of Coupled Multichannel Images Using Sparsity Constraints},
  author={Naveen Ramakrishnan and Emre Ertin and Randolph L. Moses},
  journal={IEEE Transactions on Image Processing},
We consider the problem of joint enhancement of multichannel images with pixel based constraints on the multichannel data. Previous work by Çetin and Karl introduced nonquadratic regularization methods for SAR image enhancement using sparsity enforcing penalty terms. We formulate an optimization problem that jointly enhances complex-valued multichannel images while preserving the cross-channel information, which we include as constraints tying the multichannel images together. We pose this… CONTINUE READING
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