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         author = {Krstulovi{\'{c}}, Sacha and Bimbot, Fr{\'{e}}d{\'{e}}ric},
       projects = {Idiap},
          title = {Signal modeling with {Non Uniform Topology} lattice filters},
      booktitle = {Proc. ICASSP 2001},
         volume = {ii},
           year = {2001},
       abstract = {This article presents a new class of constrained and specialized Auto-Regressive (AR) processes. They are derived from lattice filters where some reflection coefficients are forced to zero at a priori locations. Optimizing the filter topology allows to build parametric spectral models that have a greater number of poles than the number of parameters needed to describe their location. These NUT (Non-Uniform Topology) models are assessed by evaluating the reduction of modeling error with respect to conventional AR models.},
            pdf = {https://publications.idiap.ch/attachments/papers/2001/sacha-ic01sk.pdf},
     postscript = {ftp://ftp.idiap.ch/pub/papers/2001/sacha-ic01sk.ps.gz},