Python atrou Examples

Example #1

def uwt_inv(a, d, wavelet, boundary, level, initial_signal=None, axis=None):
    hkr = nputils.atrou(get_wavelet_obj(wavelet).get_rec_hk(), pow(2, level))
    gkr = nputils.atrou(get_wavelet_obj(wavelet).get_rec_gk(), pow(2, level))

    c1 = nputils.convolve(a, hkr, boundary, axis=axis, mode="valid")
    c2 = nputils.convolve(d, gkr, boundary, axis=axis, mode="valid")

    return 1 / 2. * (c1 + c2)

Example #2

def uwt(signal, wavelet, boundary, level, initial_signal=None, axis=None):
    hkd = nputils.atrou(get_wavelet_obj(wavelet).get_dec_hk(), pow(2, level))
    gkd = nputils.atrou(get_wavelet_obj(wavelet).get_dec_gk(), pow(2, level))

    a = nputils.convolve(signal, hkd, boundary, axis=axis)
    d = nputils.convolve(signal, gkd, boundary, axis=axis)

    return (a, d)

Example #3

File: wtutils.py Project: flomertens/libwise

def uwt_inv(a, d, wavelet, boundary, level, initial_signal=None, axis=None):
    hkr = nputils.atrou(get_wavelet_obj(wavelet).get_rec_hk(), pow(2, level))
    gkr = nputils.atrou(get_wavelet_obj(wavelet).get_rec_gk(), pow(2, level))

    c1 = nputils.convolve(a, hkr, boundary, axis=axis, mode="valid")
    c2 = nputils.convolve(d, gkr, boundary, axis=axis, mode="valid")

    return 1 / 2. * (c1 + c2)

Example #4

File: wtutils.py Project: flomertens/libwise

def uwt(signal, wavelet, boundary, level, initial_signal=None, axis=None):
    hkd = nputils.atrou(get_wavelet_obj(wavelet).get_dec_hk(), pow(2, level))
    gkd = nputils.atrou(get_wavelet_obj(wavelet).get_dec_gk(), pow(2, level))

    a = nputils.convolve(signal, hkd, boundary, axis=axis)
    d = nputils.convolve(signal, gkd, boundary, axis=axis)

    return (a, d)

Example #5

def uiwt(signal, wavelet, boundary, level, initial_signal=None, axis=None):
    hkd = nputils.atrou(get_wavelet_obj(wavelet).get_dec_hk(), pow(2, level))

    a = nputils.convolve(signal, hkd, boundary, axis=axis, mode='same')

    d = signal - a

    return (a, d)

Example #6

File: wtutils.py Project: flomertens/libwise

def uiwt(signal, wavelet, boundary, level, initial_signal=None, axis=None):
    hkd = nputils.atrou(get_wavelet_obj(wavelet).get_dec_hk(), pow(2, level))

    a = nputils.convolve(signal, hkd, boundary, axis=axis, mode='same')

    d = signal - a

    return (a, d)