نتایج جستجو برای: wavelet packet transform wpt

تعداد نتایج: 177471  

2015
Khaled Daqrouq Rami Alhmouz Ahmed Balamesh Adnan Memic

PDZ domains have been identified as part of an array of signaling proteins that are often unrelated, except for the well-conserved structural PDZ domain they contain. These domains have been linked to many disease processes including common Avian influenza, as well as very rare conditions such as Fraser and Usher syndromes. Historically, based on the interactions and the nature of bonds they fo...

2008
Ilker Bayram Ivan W. Selesnick

The two-band discrete wavelet transform (DWT) provides an octave-band analysis in the frequency domain, but this might not be “optimal” for a given signal. The discrete wavelet packet transform (DWPT) provides a dictionary of bases over which one can search for an optimal representation (without constraining the analysis to an octave-band one) for the signal at hand. However, it is well known t...

1997
J. F. Luo

In this paper, we propose an audio coder for high quality low bit-rate applications based on the wavelet-packet transform. The primary goal of the proposed coder will be to combine high quality reconstructed audio with shorter delay than existing methods while keeping the bit rate low. Present audio coders, such as MPEG, are capable of transparent or near-transparent monophonic CD quality at 12...

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