Exemple #1
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def rec2d(a, d, wavelet, boundary, rec, level):
    d1, d2, d3 = d

    if a.shape != d1.shape:
        a = nputils.index(a, np.s_[:-1])
    temp_a = rec(a, d1, wavelet, boundary, level, axis=1)
    temp_d = rec(d2, d3, wavelet, boundary, level, axis=1)
    img = rec(temp_a, temp_d, wavelet, boundary, level, axis=0)
    return img
Exemple #2
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def waverec2d(coefs, wavelet, boundary="symm", rec=dwt_inv, shape=None, thread=None):
    a = coefs[-1]
    for j in range(len(coefs) - 2, -1, -1):
        if thread and not thread.is_alive():
            return None
        a = rec2d(a, coefs[j], wavelet, boundary, rec, j)
    if shape and shape != a.shape:
        a = nputils.index(a, np.s_[:-1])
    return a
Exemple #3
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def rec2d(a, d, wavelet, boundary, rec, level):
    d1, d2, d3 = d

    if a.shape != d1.shape:
        a = nputils.index(a, np.s_[:-1])
    temp_a = rec(a, d1, wavelet, boundary, level, axis=1)
    temp_d = rec(d2, d3, wavelet, boundary, level, axis=1)
    img = rec(temp_a, temp_d, wavelet, boundary, level, axis=0)
    return img
Exemple #4
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def waverec(coefs, wavelet, boundary="symm", rec=dwt_inv,
            axis=None, shape=None, thread=None):
    a = coefs[-1]
    for j in range(len(coefs) - 2, -1, -1):
        if thread and not thread.is_alive():
            return None
        a = rec(a, coefs[j], wavelet, boundary, j, axis=axis)
    if shape and shape != a.shape:
        # See idwt() for an explaination
        a = nputils.index(a, np.s_[:-1], axis)
    return a
Exemple #5
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def waverec2d(coefs,
              wavelet,
              boundary="symm",
              rec=dwt_inv,
              shape=None,
              thread=None):
    a = coefs[-1]
    for j in range(len(coefs) - 2, -1, -1):
        if thread and not thread.is_alive():
            return None
        a = rec2d(a, coefs[j], wavelet, boundary, rec, j)
    if shape and shape != a.shape:
        a = nputils.index(a, np.s_[:-1])
    return a
Exemple #6
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def waverec(coefs,
            wavelet,
            boundary="symm",
            rec=dwt_inv,
            axis=None,
            shape=None,
            thread=None):
    a = coefs[-1]
    for j in range(len(coefs) - 2, -1, -1):
        if thread and not thread.is_alive():
            return None
        a = rec(a, coefs[j], wavelet, boundary, j, axis=axis)
    if shape and shape != a.shape:
        # See idwt() for an explaination
        a = nputils.index(a, np.s_[:-1], axis)
    return a