Design of near-perfect reconstruction two-parallelogram filter-banks

@article{Patwardhan2006DesignON,
  title={Design of near-perfect reconstruction two-parallelogram filter-banks},
  author={Pushkar G. Patwardhan and Vikram M. Gadre},
  journal={IEEE Signal Processing Letters},
  year={2006},
  volume={13},
  pages={489-492}
}
The design of nonseparable 2-D filter banks presents several difficulties, which do not arise in the 1-D counterparts. One particular aspect to be taken into consideration is the shape of the passbands of the filters. In the work of Lin and Vaidyanathan, a formulation of perfect-reconstruction (PR) cosine-modulated filter-banks (CMFBs) is proposed, with filters having a "two-parallelogram" (Two-P) support. The design problem is considerably simplified to the design of a single prototype-filter… CONTINUE READING

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Two-Channel Parallelogram QMF Banks Using 2-D NSHP Digital All-Pass Filters

  • IEEE Transactions on Circuits and Systems I: Regular Papers
  • 2010
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