Пример #1
0
def test_qshift():
    h0a, h0b, g0a, g0b, h1a, h1b, g1a, g1b = qshift('qshift_d')
    y = coldfilt(lena, h1b, h1b)
    z = coldfilt_gold(lena, h1b, h1a)
    assert_almost_equal(y, z)
Пример #2
0
def test_good_input_size_non_orthogonal():
    A = coldfilt(lena[:,:511], (1,1), (1,1))
    B = coldfilt_gold(lena[:,:511], (1,1), (1,1))
    assert_almost_equal(A, B)
Пример #3
0
def test_output_size():
    Y = coldfilt(lena, (-1,1), (1,-1))
    assert Y.shape == (lena.shape[0]/2, lena.shape[1])

    Z = coldfilt_gold(lena, (-1,1), (1,-1))
    assert_almost_equal(Y, Z)
Пример #4
0
def test_real_wavelet():
    h0a, h0b, g0a, g0b, h1a, h1b, g1a, g1b = qshift('qshift_d')
    A = coldfilt(lena[:,:511], h1b, h1a)
    B = coldfilt_gold(lena[:,:511], h1b, h1a)
    assert_almost_equal(A, B)
Пример #5
0
def test_good_input_size():
    A = coldfilt(lena[:,:511], (-1,1), (1,-1))
    B = coldfilt_gold(lena[:,:511], (-1,1), (1,-1))
    assert_almost_equal(A, B)
Пример #6
0
def test_qshift():
    h0a, h0b, g0a, g0b, h1a, h1b, g1a, g1b = qshift('qshift_d')
    y = coldfilt(mandrill, h1b, h1b)
    z = coldfilt_gold(mandrill, h1b, h1a)
    assert_almost_equal(y, z)
Пример #7
0
def test_output_size():
    Y = coldfilt(mandrill, (-1,1), (1,-1))
    assert Y.shape == (mandrill.shape[0]/2, mandrill.shape[1])

    Z = coldfilt_gold(mandrill, (-1,1), (1,-1))
    assert_almost_equal(Y, Z)
Пример #8
0
def test_good_input_size_non_orthogonal():
    A = coldfilt(mandrill[:,:511], (1,1), (1,1))
    B = coldfilt_gold(mandrill[:,:511], (1,1), (1,1))
    assert_almost_equal(A, B)
Пример #9
0
def test_good_input_size():
    A = coldfilt(mandrill[:,:511], (-1,1), (1,-1))
    B = coldfilt_gold(mandrill[:,:511], (-1,1), (1,-1))
    assert_almost_equal(A, B)
Пример #10
0
def test_real_wavelet():
    h0a, h0b, g0a, g0b, h1a, h1b, g1a, g1b = qshift('qshift_d')
    A = coldfilt(mandrill[:,:511], h1b, h1a)
    B = coldfilt_gold(mandrill[:,:511], h1b, h1a)
    assert_almost_equal(A, B)