def bbox_iou(box1, box2, giou=False, diou=False, ciou=False, eps=1e-9):
    """calculate the iou of box1 and box2

    Args:
        box1 (list): [x, y, w, h], all have the shape [b, na, h, w, 1]
        box2 (list): [x, y, w, h], all have the shape [b, na, h, w, 1]
        giou (bool): whether use giou or not, default False
        diou (bool): whether use diou or not, default False
        ciou (bool): whether use ciou or not, default False
        eps (float): epsilon to avoid divide by zero

    Return:
        iou (Tensor): iou of box1 and box1, with the shape [b, na, h, w, 1]
    """
    px1, py1, px2, py2 = box1
    gx1, gy1, gx2, gy2 = box2
    x1 = paddle.maximum(px1, gx1)
    y1 = paddle.maximum(py1, gy1)
    x2 = paddle.minimum(px2, gx2)
    y2 = paddle.minimum(py2, gy2)

    overlap = (x2 - x1) * (y2 - y1)
    overlap = overlap.clip(0)

    area1 = (px2 - px1) * (py2 - py1)
    area1 = area1.clip(0)

    area2 = (gx2 - gx1) * (gy2 - gy1)
    area2 = area2.clip(0)

    union = area1 + area2 - overlap + eps
    iou = overlap / union

    if giou or ciou or diou:
        # convex w, h
        cw = paddle.maximum(px2, gx2) - paddle.minimum(px1, gx1)
        ch = paddle.maximum(py2, gy2) - paddle.minimum(py1, gy1)
        if giou:
            c_area = cw * ch + eps
            return iou - (c_area - union) / c_area
        else:
            # convex diagonal squared
            c2 = cw**2 + ch**2 + eps
            # center distance
            rho2 = ((px1 + px2 - gx1 - gx2)**2 +
                    (py1 + py2 - gy1 - gy2)**2) / 4
            if diou:
                return iou - rho2 / c2
            else:
                w1, h1 = px2 - px1, py2 - py1 + eps
                w2, h2 = gx2 - gx1, gy2 - gy1 + eps
                delta = paddle.atan(w1 / h1) - paddle.atan(w2 / h2)
                v = (4 / math.pi**2) * paddle.pow(delta, 2)
                alpha = v / (1 + eps - iou + v)
                alpha.stop_gradient = True
                return iou - (rho2 / c2 + v * alpha)
    else:
        return iou
Beispiel #2
0
    def __call__(self, pbox, gbox, iou_weight=1.):
        x1, y1, x2, y2 = paddle.split(pbox, num_or_sections=4, axis=-1)
        x1g, y1g, x2g, y2g = paddle.split(gbox, num_or_sections=4, axis=-1)
        cx = (x1 + x2) / 2
        cy = (y1 + y2) / 2
        w = x2 - x1
        h = y2 - y1

        cxg = (x1g + x2g) / 2
        cyg = (y1g + y2g) / 2
        wg = x2g - x1g
        hg = y2g - y1g

        x2 = paddle.maximum(x1, x2)
        y2 = paddle.maximum(y1, y2)

        # A and B
        xkis1 = paddle.maximum(x1, x1g)
        ykis1 = paddle.maximum(y1, y1g)
        xkis2 = paddle.minimum(x2, x2g)
        ykis2 = paddle.minimum(y2, y2g)

        # A or B
        xc1 = paddle.minimum(x1, x1g)
        yc1 = paddle.minimum(y1, y1g)
        xc2 = paddle.maximum(x2, x2g)
        yc2 = paddle.maximum(y2, y2g)

        intsctk = (xkis2 - xkis1) * (ykis2 - ykis1)
        intsctk = intsctk * paddle.greater_than(
            xkis2, xkis1) * paddle.greater_than(ykis2, ykis1)
        unionk = (x2 - x1) * (y2 - y1) + (x2g - x1g) * (
            y2g - y1g) - intsctk + self.eps
        iouk = intsctk / unionk

        # DIOU term
        dist_intersection = (cx - cxg) * (cx - cxg) + (cy - cyg) * (cy - cyg)
        dist_union = (xc2 - xc1) * (xc2 - xc1) + (yc2 - yc1) * (yc2 - yc1)
        diou_term = (dist_intersection + self.eps) / (dist_union + self.eps)

        # CIOU term
        ciou_term = 0
        if self.use_complete_iou_loss:
            ar_gt = wg / hg
            ar_pred = w / h
            arctan = paddle.atan(ar_gt) - paddle.atan(ar_pred)
            ar_loss = 4. / np.pi / np.pi * arctan * arctan
            alpha = ar_loss / (1 - iouk + ar_loss + self.eps)
            alpha.stop_gradient = True
            ciou_term = alpha * ar_loss

        diou = paddle.mean((1 - iouk + ciou_term + diou_term) * iou_weight)

        return diou * self.loss_weight
Beispiel #3
0
def bbox_iou(box1, box2, giou=False, diou=False, ciou=False, eps=1e-9):
    """calculate the iou of box1 and box2

    Args:
        box1 (Tensor): box1 with the shape (N, M, 4)
        box2 (Tensor): box1 with the shape (N, M, 4)
        giou (bool): whether use giou or not, default False
        diou (bool): whether use diou or not, default False
        ciou (bool): whether use ciou or not, default False
        eps (float): epsilon to avoid divide by zero

    Return:
        iou (Tensor): iou of box1 and box1, with the shape (N, M)
    """
    px1y1, px2y2 = box1[:, :, 0:2], box1[:, :, 2:4]
    gx1y1, gx2y2 = box2[:, :, 0:2], box2[:, :, 2:4]
    x1y1 = paddle.maximum(px1y1, gx1y1)
    x2y2 = paddle.minimum(px2y2, gx2y2)

    overlap = (x2y2 - x1y1).clip(0).prod(-1)
    area1 = (px2y2 - px1y1).clip(0).prod(-1)
    area2 = (gx2y2 - gx1y1).clip(0).prod(-1)
    union = area1 + area2 - overlap + eps
    iou = overlap / union
    if giou or ciou or diou:
        # convex w, h
        cwh = paddle.maximum(px2y2, gx2y2) - paddle.minimum(px1y1, gx1y1)
        if ciou or diou:
            # convex diagonal squared
            c2 = (cwh**2).sum(2) + eps
            # center distance
            rho2 = ((px1y1 + px2y2 - gx1y1 - gx2y2)**2).sum(2) / 4
            if diou:
                return iou - rho2 / c2
            elif ciou:
                wh1 = px2y2 - px1y1
                wh2 = gx2y2 - gx1y1
                w1, h1 = wh1[:, :, 0], wh1[:, :, 1] + eps
                w2, h2 = wh2[:, :, 0], wh2[:, :, 1] + eps
                v = (4 / math.pi**2) * paddle.pow(
                    paddle.atan(w1 / h1) - paddle.atan(w2 / h2), 2)
                alpha = v / (1 + eps - iou + v)
                alpha.stop_gradient = True
                return iou - (rho2 / c2 + v * alpha)
        else:
            c_area = cwh.prod(2) + eps
            return iou - (c_area - union) / c_area
    else:
        return iou
Beispiel #4
0
 def test_dygraph(self):
     with fluid.dygraph.guard():
         np_x = np.array([0.1])
         x = fluid.dygraph.to_variable(np_x)
         z = paddle.atan(x).numpy()
         z_expected = np.arctan(np_x)
         self.assertEqual(z, z_expected)
Beispiel #5
0
def atan2(y, x):
    result = 0
    if x > 0:
        result = paddle.atan(y / x)
    elif x < 0 and y >= 0:
        result = paddle.atan(y / x) + math.pi
    elif x < 0 and y < 0:
        result = paddle.atan(y / x) - math.pi
    elif x == 0 and y > 0:
        result = paddle.to_tensor(math.pi)
    elif x == 0 and y < 0:
        result = paddle.to_tensor(-math.pi)
    else:
        pass

    return result
Beispiel #6
0
 def forward(self, inputs):
     """
     forward
     """
     x = paddle.atan(inputs)
     return x
    def test_tensor_patch_method(self):
        paddle.disable_static()
        x_np = np.random.uniform(-1, 1, [2, 3]).astype(self.dtype)
        y_np = np.random.uniform(-1, 1, [2, 3]).astype(self.dtype)
        z_np = np.random.uniform(-1, 1, [6, 9]).astype(self.dtype)

        x = paddle.to_tensor(x_np)
        y = paddle.to_tensor(y_np)
        z = paddle.to_tensor(z_np)

        a = paddle.to_tensor([[1, 1], [2, 2], [3, 3]])
        b = paddle.to_tensor([[1, 1], [2, 2], [3, 3]])

        # 1. Unary operation for Tensor
        self.assertEqual(x.dim(), 2)
        self.assertEqual(x.ndimension(), 2)
        self.assertEqual(x.ndim, 2)
        self.assertEqual(x.size, 6)
        self.assertEqual(x.numel(), 6)
        self.assertTrue(np.array_equal(x.exp().numpy(), paddle.exp(x).numpy()))
        self.assertTrue(
            np.array_equal(x.tanh().numpy(),
                           paddle.tanh(x).numpy()))
        self.assertTrue(
            np.array_equal(x.atan().numpy(),
                           paddle.atan(x).numpy()))
        self.assertTrue(np.array_equal(x.abs().numpy(), paddle.abs(x).numpy()))
        m = x.abs()
        self.assertTrue(
            np.array_equal(m.sqrt().numpy(),
                           paddle.sqrt(m).numpy()))
        self.assertTrue(
            np.array_equal(m.rsqrt().numpy(),
                           paddle.rsqrt(m).numpy()))
        self.assertTrue(
            np.array_equal(x.ceil().numpy(),
                           paddle.ceil(x).numpy()))
        self.assertTrue(
            np.array_equal(x.floor().numpy(),
                           paddle.floor(x).numpy()))
        self.assertTrue(np.array_equal(x.cos().numpy(), paddle.cos(x).numpy()))
        self.assertTrue(
            np.array_equal(x.acos().numpy(),
                           paddle.acos(x).numpy()))
        self.assertTrue(
            np.array_equal(x.asin().numpy(),
                           paddle.asin(x).numpy()))
        self.assertTrue(np.array_equal(x.sin().numpy(), paddle.sin(x).numpy()))
        self.assertTrue(
            np.array_equal(x.sinh().numpy(),
                           paddle.sinh(x).numpy()))
        self.assertTrue(
            np.array_equal(x.cosh().numpy(),
                           paddle.cosh(x).numpy()))
        self.assertTrue(
            np.array_equal(x.round().numpy(),
                           paddle.round(x).numpy()))
        self.assertTrue(
            np.array_equal(x.reciprocal().numpy(),
                           paddle.reciprocal(x).numpy()))
        self.assertTrue(
            np.array_equal(x.square().numpy(),
                           paddle.square(x).numpy()))
        self.assertTrue(
            np.array_equal(x.rank().numpy(),
                           paddle.rank(x).numpy()))
        self.assertTrue(
            np.array_equal(x[0].t().numpy(),
                           paddle.t(x[0]).numpy()))
        self.assertTrue(
            np.array_equal(x.asinh().numpy(),
                           paddle.asinh(x).numpy()))
        ### acosh(x) = nan, need to change input
        t_np = np.random.uniform(1, 2, [2, 3]).astype(self.dtype)
        t = paddle.to_tensor(t_np)
        self.assertTrue(
            np.array_equal(t.acosh().numpy(),
                           paddle.acosh(t).numpy()))
        self.assertTrue(
            np.array_equal(x.atanh().numpy(),
                           paddle.atanh(x).numpy()))
        d = paddle.to_tensor([[1.2285208, 1.3491015, 1.4899898],
                              [1.30058, 1.0688717, 1.4928783],
                              [1.0958099, 1.3724753, 1.8926544]])
        d = d.matmul(d.t())
        # ROCM not support cholesky
        if not fluid.core.is_compiled_with_rocm():
            self.assertTrue(
                np.array_equal(d.cholesky().numpy(),
                               paddle.cholesky(d).numpy()))

        self.assertTrue(
            np.array_equal(x.is_empty().numpy(),
                           paddle.is_empty(x).numpy()))
        self.assertTrue(
            np.array_equal(x.isfinite().numpy(),
                           paddle.isfinite(x).numpy()))
        self.assertTrue(
            np.array_equal(
                x.cast('int32').numpy(),
                paddle.cast(x, 'int32').numpy()))
        self.assertTrue(
            np.array_equal(
                x.expand([3, 2, 3]).numpy(),
                paddle.expand(x, [3, 2, 3]).numpy()))
        self.assertTrue(
            np.array_equal(
                x.tile([2, 2]).numpy(),
                paddle.tile(x, [2, 2]).numpy()))
        self.assertTrue(
            np.array_equal(x.flatten().numpy(),
                           paddle.flatten(x).numpy()))
        index = paddle.to_tensor([0, 1])
        self.assertTrue(
            np.array_equal(
                x.gather(index).numpy(),
                paddle.gather(x, index).numpy()))
        index = paddle.to_tensor([[0, 1], [1, 2]])
        self.assertTrue(
            np.array_equal(
                x.gather_nd(index).numpy(),
                paddle.gather_nd(x, index).numpy()))
        self.assertTrue(
            np.array_equal(
                x.reverse([0, 1]).numpy(),
                paddle.reverse(x, [0, 1]).numpy()))
        self.assertTrue(
            np.array_equal(
                a.reshape([3, 2]).numpy(),
                paddle.reshape(a, [3, 2]).numpy()))
        self.assertTrue(
            np.array_equal(
                x.slice([0, 1], [0, 0], [1, 2]).numpy(),
                paddle.slice(x, [0, 1], [0, 0], [1, 2]).numpy()))
        self.assertTrue(
            np.array_equal(
                x.split(2)[0].numpy(),
                paddle.split(x, 2)[0].numpy()))
        m = paddle.to_tensor(
            np.random.uniform(-1, 1, [1, 6, 1, 1]).astype(self.dtype))
        self.assertTrue(
            np.array_equal(
                m.squeeze([]).numpy(),
                paddle.squeeze(m, []).numpy()))
        self.assertTrue(
            np.array_equal(
                m.squeeze([1, 2]).numpy(),
                paddle.squeeze(m, [1, 2]).numpy()))
        m = paddle.to_tensor([2, 3, 3, 1, 5, 3], 'float32')
        self.assertTrue(
            np.array_equal(m.unique()[0].numpy(),
                           paddle.unique(m)[0].numpy()))
        self.assertTrue(
            np.array_equal(
                m.unique(return_counts=True)[1],
                paddle.unique(m, return_counts=True)[1]))
        self.assertTrue(np.array_equal(x.flip([0]), paddle.flip(x, [0])))
        self.assertTrue(np.array_equal(x.unbind(0), paddle.unbind(x, 0)))
        self.assertTrue(np.array_equal(x.roll(1), paddle.roll(x, 1)))
        self.assertTrue(np.array_equal(x.cumsum(1), paddle.cumsum(x, 1)))
        m = paddle.to_tensor(1)
        self.assertTrue(np.array_equal(m.increment(), paddle.increment(m)))
        m = x.abs()
        self.assertTrue(np.array_equal(m.log(), paddle.log(m)))
        self.assertTrue(np.array_equal(x.pow(2), paddle.pow(x, 2)))
        self.assertTrue(np.array_equal(x.reciprocal(), paddle.reciprocal(x)))

        # 2. Binary operation
        self.assertTrue(
            np.array_equal(x.divide(y).numpy(),
                           paddle.divide(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.matmul(y, True, False).numpy(),
                paddle.matmul(x, y, True, False).numpy()))
        self.assertTrue(
            np.array_equal(
                x.norm(p='fro', axis=[0, 1]).numpy(),
                paddle.norm(x, p='fro', axis=[0, 1]).numpy()))
        self.assertTrue(
            np.array_equal(x.dist(y).numpy(),
                           paddle.dist(x, y).numpy()))
        self.assertTrue(
            np.array_equal(x.cross(y).numpy(),
                           paddle.cross(x, y).numpy()))
        m = x.expand([2, 2, 3])
        n = y.expand([2, 2, 3]).transpose([0, 2, 1])
        self.assertTrue(
            np.array_equal(m.bmm(n).numpy(),
                           paddle.bmm(m, n).numpy()))
        self.assertTrue(
            np.array_equal(
                x.histogram(5, -1, 1).numpy(),
                paddle.histogram(x, 5, -1, 1).numpy()))
        self.assertTrue(
            np.array_equal(x.equal(y).numpy(),
                           paddle.equal(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.greater_equal(y).numpy(),
                paddle.greater_equal(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.greater_than(y).numpy(),
                paddle.greater_than(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.less_equal(y).numpy(),
                paddle.less_equal(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.less_than(y).numpy(),
                paddle.less_than(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.not_equal(y).numpy(),
                paddle.not_equal(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.equal_all(y).numpy(),
                paddle.equal_all(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.allclose(y).numpy(),
                paddle.allclose(x, y).numpy()))
        m = x.expand([2, 2, 3])
        self.assertTrue(
            np.array_equal(
                x.expand_as(m).numpy(),
                paddle.expand_as(x, m).numpy()))
        index = paddle.to_tensor([2, 1, 0])
        self.assertTrue(
            np.array_equal(
                a.scatter(index, b).numpy(),
                paddle.scatter(a, index, b).numpy()))

        # 3. Bool tensor operation
        x = paddle.to_tensor([[True, False], [True, False]])
        y = paddle.to_tensor([[False, False], [False, True]])
        self.assertTrue(
            np.array_equal(
                x.logical_and(y).numpy(),
                paddle.logical_and(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_not(y).numpy(),
                paddle.logical_not(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_or(y).numpy(),
                paddle.logical_or(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_xor(y).numpy(),
                paddle.logical_xor(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_and(y).numpy(),
                paddle.logical_and(x, y).numpy()))
        a = paddle.to_tensor([[1, 2], [3, 4]])
        b = paddle.to_tensor([[4, 3], [2, 1]])
        self.assertTrue(
            np.array_equal(
                x.where(a, b).numpy(),
                paddle.where(x, a, b).numpy()))

        x_np = np.random.randn(3, 6, 9, 7)
        x = paddle.to_tensor(x_np)
        x_T = x.T
        self.assertTrue(x_T.shape, [7, 9, 6, 3])
        self.assertTrue(np.array_equal(x_T.numpy(), x_np.T))

        self.assertTrue(inspect.ismethod(a.dot))
        self.assertTrue(inspect.ismethod(a.logsumexp))
        self.assertTrue(inspect.ismethod(a.multiplex))
        self.assertTrue(inspect.ismethod(a.prod))
        self.assertTrue(inspect.ismethod(a.scale))
        self.assertTrue(inspect.ismethod(a.stanh))
        self.assertTrue(inspect.ismethod(a.add_n))
        self.assertTrue(inspect.ismethod(a.max))
        self.assertTrue(inspect.ismethod(a.maximum))
        self.assertTrue(inspect.ismethod(a.min))
        self.assertTrue(inspect.ismethod(a.minimum))
        self.assertTrue(inspect.ismethod(a.floor_divide))
        self.assertTrue(inspect.ismethod(a.remainder))
        self.assertTrue(inspect.ismethod(a.floor_mod))
        self.assertTrue(inspect.ismethod(a.multiply))
        self.assertTrue(inspect.ismethod(a.logsumexp))
        self.assertTrue(inspect.ismethod(a.inverse))
        self.assertTrue(inspect.ismethod(a.log1p))
        self.assertTrue(inspect.ismethod(a.erf))
        self.assertTrue(inspect.ismethod(a.addmm))
        self.assertTrue(inspect.ismethod(a.clip))
        self.assertTrue(inspect.ismethod(a.trace))
        self.assertTrue(inspect.ismethod(a.kron))
        self.assertTrue(inspect.ismethod(a.isinf))
        self.assertTrue(inspect.ismethod(a.isnan))
        self.assertTrue(inspect.ismethod(a.concat))
        self.assertTrue(inspect.ismethod(a.broadcast_to))
        self.assertTrue(inspect.ismethod(a.scatter_nd_add))
        self.assertTrue(inspect.ismethod(a.scatter_nd))
        self.assertTrue(inspect.ismethod(a.shard_index))
        self.assertTrue(inspect.ismethod(a.chunk))
        self.assertTrue(inspect.ismethod(a.stack))
        self.assertTrue(inspect.ismethod(a.strided_slice))
        self.assertTrue(inspect.ismethod(a.unsqueeze))
        self.assertTrue(inspect.ismethod(a.unstack))
        self.assertTrue(inspect.ismethod(a.argmax))
        self.assertTrue(inspect.ismethod(a.argmin))
        self.assertTrue(inspect.ismethod(a.argsort))
        self.assertTrue(inspect.ismethod(a.masked_select))
        self.assertTrue(inspect.ismethod(a.topk))
        self.assertTrue(inspect.ismethod(a.index_select))
        self.assertTrue(inspect.ismethod(a.nonzero))
        self.assertTrue(inspect.ismethod(a.sort))
        self.assertTrue(inspect.ismethod(a.index_sample))
        self.assertTrue(inspect.ismethod(a.mean))
        self.assertTrue(inspect.ismethod(a.std))
        self.assertTrue(inspect.ismethod(a.numel))
Beispiel #8
0
    def decode_orientation(self, vector_ori, locations, flip_mask=None):
        """
        retrieve object orientation
        Args:
            vector_ori: local orientation in [sin, cos] format
            locations: object location

        Returns: for training we only need roty
                 for testing we need both alpha and roty

        """

        locations = paddle.reshape(locations, (-1, 3))
        rays = paddle.atan(locations[:, 0] / (locations[:, 2] + 1e-7))
        alphas = paddle.atan(vector_ori[:, 0] / (vector_ori[:, 1] + 1e-7))

        # get cosine value positive and negtive index.
        cos_pos_idx = (vector_ori[:, 1] >= 0).nonzero()
        cos_neg_idx = (vector_ori[:, 1] < 0).nonzero()

        PI = 3.14159
        for i in range(cos_pos_idx.shape[0]):
            ind = int(cos_pos_idx[i, 0])
            alphas[ind] = alphas[ind] - PI / 2
        for i in range(cos_neg_idx.shape[0]):
            ind = int(cos_neg_idx[i, 0])
            alphas[ind] = alphas[ind] + PI / 2

        # alphas[cos_pos_idx] -= PI / 2
        # alphas[cos_neg_idx] += PI / 2

        # retrieve object rotation y angle.
        rotys = alphas + rays

        # in training time, it does not matter if angle lies in [-PI, PI]
        # it matters at inference time? todo: does it really matter if it exceeds.
        larger_idx = (rotys > PI).nonzero()
        small_idx = (rotys < -PI).nonzero()

        if len(larger_idx) != 0:
            for i in range(larger_idx.shape[0]):
                ind = int(larger_idx[i, 0])
                rotys[ind] -= 2 * PI
        if len(small_idx) != 0:
            for i in range(small_idx.shape[0]):
                ind = int(small_idx[i, 0])
                rotys[ind] += 2 * PI

        if flip_mask is not None:

            fm = flip_mask.astype("float32").flatten()
            rotys_flip = fm * rotys

            # rotys_flip_pos_idx = rotys_flip > 0
            # rotys_flip_neg_idx = rotys_flip < 0
            # rotys_flip[rotys_flip_pos_idx] -= PI
            # rotys_flip[rotys_flip_neg_idx] += PI

            rotys_flip_pos_idx = (rotys_flip > 0).nonzero()
            rotys_flip_neg_idx = (rotys_flip < 0).nonzero()

            for i in range(rotys_flip_pos_idx.shape[0]):
                ind = int(rotys_flip_pos_idx[i, 0])
                rotys_flip[ind] -= PI
            for i in range(rotys_flip_neg_idx.shape[0]):
                ind = int(rotys_flip_neg_idx[i, 0])
                rotys_flip[ind] += PI

            rotys_all = fm * rotys_flip + (1 - fm) * rotys

            return rotys_all

        else:
            return rotys, alphas
Beispiel #9
0
    def test_tensor_patch_method(self):
        paddle.disable_static()
        x_np = np.random.uniform(-1, 1, [2, 3]).astype(self.dtype)
        y_np = np.random.uniform(-1, 1, [2, 3]).astype(self.dtype)
        z_np = np.random.uniform(-1, 1, [6, 9]).astype(self.dtype)

        x = paddle.to_tensor(x_np)
        y = paddle.to_tensor(y_np)
        z = paddle.to_tensor(z_np)

        a = paddle.to_tensor([[1, 1], [2, 2], [3, 3]])
        b = paddle.to_tensor([[1, 1], [2, 2], [3, 3]])

        # 1. Unary operation for Tensor
        self.assertEqual(x.dim(), 2)
        self.assertEqual(x.ndimension(), 2)
        self.assertEqual(x.ndim, 2)
        self.assertEqual(x.size(), [2, 3])
        self.assertTrue(
            np.array_equal(x.sigmoid().numpy(),
                           fluid.layers.sigmoid(x).numpy()))
        self.assertTrue(
            np.array_equal(x.logsigmoid().numpy(),
                           fluid.layers.logsigmoid(x).numpy()))
        self.assertTrue(np.array_equal(x.exp().numpy(), paddle.exp(x).numpy()))
        self.assertTrue(
            np.array_equal(x.tanh().numpy(),
                           paddle.tanh(x).numpy()))
        self.assertTrue(
            np.array_equal(x.atan().numpy(),
                           paddle.atan(x).numpy()))
        self.assertTrue(
            np.array_equal(x.tanh_shrink().numpy(),
                           fluid.layers.tanh_shrink(x).numpy()))
        self.assertTrue(np.array_equal(x.abs().numpy(), paddle.abs(x).numpy()))
        m = x.abs()
        self.assertTrue(
            np.array_equal(m.sqrt().numpy(),
                           paddle.sqrt(m).numpy()))
        self.assertTrue(
            np.array_equal(m.rsqrt().numpy(),
                           paddle.rsqrt(m).numpy()))
        self.assertTrue(
            np.array_equal(x.ceil().numpy(),
                           paddle.ceil(x).numpy()))
        self.assertTrue(
            np.array_equal(x.floor().numpy(),
                           paddle.floor(x).numpy()))
        self.assertTrue(np.array_equal(x.cos().numpy(), paddle.cos(x).numpy()))
        self.assertTrue(
            np.array_equal(x.acos().numpy(),
                           paddle.acos(x).numpy()))
        self.assertTrue(
            np.array_equal(x.asin().numpy(),
                           paddle.asin(x).numpy()))
        self.assertTrue(np.array_equal(x.sin().numpy(), paddle.sin(x).numpy()))
        self.assertTrue(
            np.array_equal(x.sinh().numpy(),
                           paddle.sinh(x).numpy()))
        self.assertTrue(
            np.array_equal(x.cosh().numpy(),
                           paddle.cosh(x).numpy()))
        self.assertTrue(
            np.array_equal(x.round().numpy(),
                           paddle.round(x).numpy()))
        self.assertTrue(
            np.array_equal(x.reciprocal().numpy(),
                           paddle.reciprocal(x).numpy()))
        self.assertTrue(
            np.array_equal(x.square().numpy(),
                           paddle.square(x).numpy()))
        self.assertTrue(
            np.array_equal(x.softplus().numpy(),
                           fluid.layers.softplus(x).numpy()))
        self.assertTrue(
            np.array_equal(x.softsign().numpy(),
                           fluid.layers.softsign(x).numpy()))
        self.assertTrue(
            np.array_equal(x.rank().numpy(),
                           paddle.rank(x).numpy()))
        self.assertTrue(
            np.array_equal(x[0].t().numpy(),
                           paddle.t(x[0]).numpy()))
        m = paddle.to_tensor(np.random.uniform(1, 2, [3, 3]), 'float32')
        m = m.matmul(m.t())
        self.assertTrue(
            np.array_equal(m.cholesky().numpy(),
                           paddle.cholesky(m).numpy()))

        self.assertTrue(
            np.array_equal(x.is_empty().numpy(),
                           paddle.is_empty(x).numpy()))
        self.assertTrue(
            np.array_equal(x.isfinite().numpy(),
                           paddle.isfinite(x).numpy()))
        self.assertTrue(
            np.array_equal(
                x.cast('int32').numpy(),
                paddle.cast(x, 'int32').numpy()))
        self.assertTrue(
            np.array_equal(
                x.expand([3, 2, 3]).numpy(),
                paddle.expand(x, [3, 2, 3]).numpy()))
        self.assertTrue(
            np.array_equal(
                x.tile([2, 2]).numpy(),
                paddle.tile(x, [2, 2]).numpy()))
        self.assertTrue(
            np.array_equal(x.flatten().numpy(),
                           paddle.flatten(x).numpy()))
        index = paddle.to_tensor([0, 1])
        self.assertTrue(
            np.array_equal(
                x.gather(index).numpy(),
                paddle.gather(x, index).numpy()))
        index = paddle.to_tensor([[0, 1], [1, 2]])
        self.assertTrue(
            np.array_equal(
                x.gather_nd(index).numpy(),
                paddle.gather_nd(x, index).numpy()))
        self.assertTrue(
            np.array_equal(
                x.reverse([0, 1]).numpy(),
                paddle.reverse(x, [0, 1]).numpy()))
        self.assertTrue(
            np.array_equal(
                a.reshape([3, 2]).numpy(),
                paddle.reshape(a, [3, 2]).numpy()))
        self.assertTrue(
            np.array_equal(
                x.slice([0, 1], [0, 0], [1, 2]).numpy(),
                paddle.slice(x, [0, 1], [0, 0], [1, 2]).numpy()))
        self.assertTrue(
            np.array_equal(
                x.split(2)[0].numpy(),
                paddle.split(x, 2)[0].numpy()))
        m = paddle.to_tensor(
            np.random.uniform(-1, 1, [1, 6, 1, 1]).astype(self.dtype))
        self.assertTrue(
            np.array_equal(
                m.squeeze([]).numpy(),
                paddle.squeeze(m, []).numpy()))
        self.assertTrue(
            np.array_equal(
                m.squeeze([1, 2]).numpy(),
                paddle.squeeze(m, [1, 2]).numpy()))
        m = paddle.to_tensor([2, 3, 3, 1, 5, 3], 'float32')
        self.assertTrue(
            np.array_equal(m.unique()[0].numpy(),
                           paddle.unique(m)[0].numpy()))
        self.assertTrue(
            np.array_equal(m.unique_with_counts()[2],
                           paddle.unique_with_counts(m)[2]))
        self.assertTrue(np.array_equal(x.flip([0]), paddle.flip(x, [0])))
        self.assertTrue(np.array_equal(x.unbind(0), paddle.unbind(x, 0)))
        self.assertTrue(np.array_equal(x.roll(1), paddle.roll(x, 1)))
        self.assertTrue(np.array_equal(x.cumsum(1), paddle.cumsum(x, 1)))
        m = paddle.to_tensor(1)
        self.assertTrue(np.array_equal(m.increment(), paddle.increment(m)))
        m = x.abs()
        self.assertTrue(np.array_equal(m.log(), paddle.log(m)))
        self.assertTrue(np.array_equal(x.pow(2), paddle.pow(x, 2)))
        self.assertTrue(np.array_equal(x.reciprocal(), paddle.reciprocal(x)))

        # 2. Binary operation
        self.assertTrue(
            np.array_equal(
                x.matmul(y, True, False).numpy(),
                paddle.matmul(x, y, True, False).numpy()))
        self.assertTrue(
            np.array_equal(
                x.norm(p='fro', axis=[0, 1]).numpy(),
                paddle.norm(x, p='fro', axis=[0, 1]).numpy()))
        self.assertTrue(
            np.array_equal(x.dist(y).numpy(),
                           paddle.dist(x, y).numpy()))
        self.assertTrue(
            np.array_equal(x.cross(y).numpy(),
                           paddle.cross(x, y).numpy()))
        m = x.expand([2, 2, 3])
        n = y.expand([2, 2, 3]).transpose([0, 2, 1])
        self.assertTrue(
            np.array_equal(m.bmm(n).numpy(),
                           paddle.bmm(m, n).numpy()))
        self.assertTrue(
            np.array_equal(
                x.histogram(5, -1, 1).numpy(),
                paddle.histogram(x, 5, -1, 1).numpy()))
        self.assertTrue(
            np.array_equal(x.equal(y).numpy(),
                           paddle.equal(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.greater_equal(y).numpy(),
                paddle.greater_equal(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.greater_than(y).numpy(),
                paddle.greater_than(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.less_equal(y).numpy(),
                paddle.less_equal(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.less_than(y).numpy(),
                paddle.less_than(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.not_equal(y).numpy(),
                paddle.not_equal(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.equal_all(y).numpy(),
                paddle.equal_all(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.allclose(y).numpy(),
                paddle.allclose(x, y).numpy()))
        m = x.expand([2, 2, 3])
        self.assertTrue(
            np.array_equal(
                x.expand_as(m).numpy(),
                paddle.expand_as(x, m).numpy()))
        index = paddle.to_tensor([2, 1, 0])
        self.assertTrue(
            np.array_equal(
                a.scatter(index, b).numpy(),
                paddle.scatter(a, index, b).numpy()))

        # 3. Bool tensor operation
        x = paddle.to_tensor([[True, False], [True, False]])
        y = paddle.to_tensor([[False, False], [False, True]])
        self.assertTrue(
            np.array_equal(x.reduce_all().numpy(),
                           paddle.reduce_all(x).numpy()))
        self.assertTrue(
            np.array_equal(x.reduce_any().numpy(),
                           paddle.reduce_any(x).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_and(y).numpy(),
                paddle.logical_and(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_not(y).numpy(),
                paddle.logical_not(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_or(y).numpy(),
                paddle.logical_or(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_xor(y).numpy(),
                paddle.logical_xor(x, y).numpy()))
        self.assertTrue(
            np.array_equal(
                x.logical_and(y).numpy(),
                paddle.logical_and(x, y).numpy()))