Ejemplo n.º 1
0
def RMclean1(fq,
             spec,
             gain=0.1,
             tol=1e-3,
             stop_if_div=False,
             maxiter=10000,
             verbose=True,
             pos_def=False,
             window='hamming'):

    RMs, W = RMTmat(fq, window)
    rm_spec = RMT(spec, W)
    ker_spec = RMT(np.ones_like(spec), W)

    mod, info = deconv.clean(rm_spec,
                             ker_spec,
                             gain=gain,
                             maxiter=maxiter,
                             tol=tol,
                             stop_if_div=stop_if_div,
                             verbose=verbose)
    W = iRMTmat(fq, window)
    mod_spec = iRMT(mod, W)
    res_spec = iRMT(info['res'], W)

    return mod_spec, res_spec
Ejemplo n.º 2
0
    def test_tolerances(self):
        A0 = deconv.clean(img0, ker, stop_if_div=False, tol=0.01)[0]
        A1 = deconv.clean(img1, ker, stop_if_div=False, tol=1e-6)[0]
        A2 = deconv.clean(img2, ker, stop_if_div=False, tol=1e-9)[0]

        B0 = clean(img0, ker, stop_if_div=False, tol=0.01)[0]
        B1 = clean(img1, ker, stop_if_div=False, tol=1e-6)[0]
        B2 = clean([img2] * 3, [ker] * 3, stop_if_div=False, tol=1e-9)[0][1]
        for i in xrange(1024):
            self.assertEqual(A0[i], B0[i])

        for i in xrange(1024):
            self.assertEqual(A1[i], B1[i])

        for i in xrange(1024):
            self.assertEqual(A2[i], B2[i])
Ejemplo n.º 3
0
    def test_many(self):
        A0 = deconv.clean(img0, ker0, stop_if_div=False, tol=0)[0]
        A1 = deconv.clean(img1, ker1, stop_if_div=False, tol=0)[0]
        A2 = deconv.clean(img2, ker0, stop_if_div=False, tol=0)[0]
        A3 = deconv.clean(img3, ker1, stop_if_div=False, tol=0)[0]
        A4 = deconv.clean(img4, ker0, stop_if_div=False, tol=0)[0]
        A5 = deconv.clean(img5, ker1, stop_if_div=False, tol=0)[0]
        A6 = deconv.clean(img6, ker0, stop_if_div=False, tol=0)[0]
        A7 = deconv.clean(img7, ker1, stop_if_div=False, tol=0)[0]
        A8 = deconv.clean(img8, ker0, stop_if_div=False, tol=0)[0]

        B = clean(imgs, kers, stop_if_div=False, tol=0)[0]

        for i in xrange(1024):
            self.assertAlmostEqual(A5[i], B[5][i])
Ejemplo n.º 4
0
    def test_RandomInput(self):
        dim = 25
        img = np.array(np.random.rand(dim), dtype=np.float32)
        ker = np.array(np.random.rand(dim), dtype=np.float32)

        A = deconv.clean(img, ker)[0]
        B = clean(img, ker)[0]

        for i in xrange(dim):
            self.assertEqual(A[i], B[i])
Ejemplo n.º 5
0
    def test_mdls(self):
        A0 = deconv.clean(img0,
                          ker,
                          np.array(area0, dtype=np.complex64),
                          stop_if_div=False,
                          tol=0.1,
                          verbose=False)[0]
        A1 = deconv.clean(img1,
                          ker,
                          stop_if_div=False,
                          tol=1e-6,
                          mdl=np.array(area1, dtype=np.complex64),
                          verbose=False)[0]
        A2 = deconv.clean(img2,
                          ker,
                          stop_if_div=False,
                          tol=1e-9,
                          mdl=np.array(area2, dtype=np.complex64),
                          verbose=False)[0]

        B0 = clean(img0,
                   ker,
                   stop_if_div=False,
                   tol=0.1,
                   mdl=np.array(area0, dtype=np.complex64))[0]
        B1 = clean(img1,
                   ker,
                   stop_if_div=False,
                   tol=1e-6,
                   mdl=np.array(area1, dtype=np.complex64))[0]
        B2 = clean([img2] * 3, [ker] * 3,
                   stop_if_div=False,
                   tol=1e-9,
                   mdl=[np.array(area2, dtype=np.complex64)] * 3)[0][1]
        for i in xrange(1024):
            self.assertEqual(A0[i], B0[i])

        for i in xrange(1024):
            self.assertEqual(A1[i], B1[i])

        for i in xrange(1024):
            self.assertEqual(A2[i], B2[i])
Ejemplo n.º 6
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    def test_Default(self):
        img = np.array([0, 0, 0, 4, 6, 4, 0, 0, -2, -3, -2, 0],
                       dtype=np.float32)
        ker = np.array([3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2], dtype=np.float32)

        #print deconv.clean(img, ker, verbose=True)[0]
        #print clean(img, ker)[0]

        for i in xrange(12):
            self.assertEqual(
                deconv.clean(img, ker)[0][i],
                clean(img, ker)[0][i])
Ejemplo n.º 7
0
    def test_stop_if_div(self):
        A0 = deconv.clean(img0, ker, stop_if_div=True, tol=0.1)[0]
        A1 = deconv.clean(img1, ker, stop_if_div=True, tol=1e-6)[0]
        A2 = deconv.clean(img2, ker, stop_if_div=True, tol=1e-9)[0]
        A3 = deconv.clean(img3, ker128, stop_if_div=True, tol=1e-6)[0]

        B0 = clean(img0, ker, stop_if_div=True, tol=0.1)[0]
        B1 = clean(img1, ker, stop_if_div=True, tol=1e-6)[0]
        B2 = clean([img2] * 3, [ker] * 3, stop_if_div=True, tol=1e-9)[0][1]
        B3 = clean(img3, ker128, stop_if_div=True, tol=1e-6)[0]

        for i in xrange(1024):
            self.assertEqual(A0[i], B0[i])

        for i in xrange(1024):
            self.assertEqual(A1[i], B1[i])

        for i in xrange(1024):
            self.assertEqual(A2[i], B2[i])

        for i in xrange(1024):
            self.assertEqual(A3[i], B3[i])
Ejemplo n.º 8
0
    def test_spike(self):
        ker = np.zeros(1024, dtype=np.float32)
        ker[0] = 1
        img = ker.copy()
        A, info = deconv.clean(img,
                               ker,
                               stop_if_div=True,
                               tol=0,
                               maxiter=int(1e4))

        B = clean(img, ker, stop_if_div=True, tol=0, maxiter=int(1e4))[0]

        for i in xrange(1024):
            self.assertEqual(A[i], B[i])
Ejemplo n.º 9
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    def test_foregrounds(self):

        fqs = np.linspace(.1, .2, 1024, endpoint=False)
        lsts = np.linspace(0, 2 * np.pi, 10000, endpoint=False)
        bl_len_ns = 30.
        vis_fg_pntsrc = foregrounds.pntsrc_foreground(lsts,
                                                      fqs,
                                                      bl_len_ns,
                                                      nsrcs=200)
        img0 = np.array(vis_fg_pntsrc[100], dtype=np.float32)
        img1 = np.array(vis_fg_pntsrc[500], dtype=np.float32)
        img2 = np.array(vis_fg_pntsrc[700], dtype=np.float32)
        ker = np.ones(1024)

        A = set()
        while len(A) < 160:
            A.add(random.randint(0, 1024))
        for i in xrange(len(ker)):
            if i in A:
                ker[i] = 0

        ker = np.array(np.fft.fft(ker), dtype=np.float32)

        A0, info = deconv.clean(img0,
                                ker,
                                stop_if_div=True,
                                tol=0,
                                verbose=True)
        # A1 = deconv.clean(img1, ker, stop_if_div=True, tol=0)[0]
        # A2 = deconv.clean(img2, ker, stop_if_div=True, tol=0)[0]

        B0 = clean(img0, ker, stop_if_div=True, tol=0)[0]
        # B1 = clean(img1, ker, stop_if_div=True, tol=0)[0]
        # B2 = clean([img2]*3, [ker]*3, stop_if_div=False, tol=0)[0][1]

        for i in xrange(1024):
            self.assertEqual(A0[i], B0[i])
Ejemplo n.º 10
0
ker = np.fft.fft(ker)

ker = np.array(ker, dtype=data_type)

numImgs = 10
# numImgs = 4096
print numImgs, data_type, "Images"

print "AIPY CLEAN"

s = cuda.Event()
e = cuda.Event()
s.record()
for i in xrange(numImgs):
    deconv.clean(img1, ker, stop_if_div=False, tol=0)
e.record()
e.synchronize()
print s.time_till(e) / 1000, "s"

s = cuda.Event()
e = cuda.Event()
s.record()
deconv.clean(img2, ker, stop_if_div=False, tol=0)
e.record()
e.synchronize()
print s.time_till(e) / 1000, "s"

# s = cuda.Event()
# e = cuda.Event()
# s.record()