Boots – shoes – and leggings
Patent
1994-12-15
1996-06-11
Trammell, James P.
Boots, shoes, and leggings
36472414, 364725, G06G 700
Patent
active
055262996
ABSTRACT:
The disclosure involves the use of a library of modulated wavelet-packets which are effective in providing both precise frequency localization and space localization. An aspect of the disclosure involves feature extraction by determination of the correlations of a library of waveforms with the signal being processed, while maintaining, orthogonality of the set of waveforms selected (i.e. a selected advantageous basis). In a disclosed embodiment, a method is provided for encoding and decoding an input signal, comprising the following steps: applying combinations of dilations and translations of a wavelet to the input signal to obtain processed values; computing the information costs of the processed values; selecting, as encoded signals, an orthogonal group of processed values, the selection being dependent on the computed information costs; and decoding the encoded signals to obtain an output signal. The wavelet preferably has a plurality of vanishing moments. In the disclosed embodiment, the step of applying combinations of dilations and translations of the wavelet to the input signal to obtain processed values comprises correlating said combinations of dilations and translations of the wavelet with the input signal. The combinations of dilations and translations of the wavelet are designated as wavelet-packets.
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Coifman Ronald
Meyer Yves
Wickerhauser Mladen V.
Meyer Yves
Novack Martin
Trammell James P.
Yale University
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