def __init__(self, H, W):
super(STN, self).__init__()
batch_size = 1
x = np.linspace(-1.0, 1.0, H)
y = np.linspace(-1.0, 1.0, W)
x_t, y_t = np.meshgrid(x, y)
x_t = Tensor(x_t, mindspore.float32)
y_t = Tensor(y_t, mindspore.float32)
expand_dims = P.ExpandDims()
x_t = expand_dims(x_t, 0)
y_t = expand_dims(y_t, 0)
flatten = P.Flatten()
x_t_flat = flatten(x_t)
y_t_flat = flatten(y_t)
oneslike = P.OnesLike()
ones = oneslike(x_t_flat)
concat = P.Concat()
sampling_grid = concat((x_t_flat, y_t_flat, ones))
self.sampling_grid = expand_dims(sampling_grid, 0)
batch_size = 128
batch_idx = np.arange(batch_size)
batch_idx = batch_idx.reshape((batch_size, 1, 1))
self.batch_idx = Tensor(batch_idx, mindspore.float32)
self.zero = Tensor(np.zeros([]), mindspore.float32)
def __init__(self,
scale=1.0,
shift=0.0,
name='ScalarAffine'):
"""
Constructor of ScalarAffine Bijector.
"""
param = dict(locals())
validator.check_value_type(
'scale', scale, [int, float], type(self).__name__)
validator.check_value_type(
'shift', shift, [int, float], type(self).__name__)
super(ScalarAffine, self).__init__(
is_constant_jacobian=True,
is_injective=True,
name=name,
dtype=None,
param=param)
self._scale = cast_to_tensor(scale)
self._shift = cast_to_tensor(shift)
self.abs = P.Abs()
self.oneslike = P.OnesLike()
self.dtypeop = P.DType()
self.cast = P.Cast()
self.log = log_generic
def __init__(self, num_sampled, num_classes, num_true=1,
sampled_values=None, remove_accidental_hits=True, seed=0,
reduction='none'):
super(SampledSoftmaxLoss, self).__init__()
self.num_sampled = num_sampled
self.num_classes = num_classes
self.num_true = num_true
self.sampled_values = sampled_values
self.remove_accidental_hits = remove_accidental_hits
self.seed = seed
self.sampler = P.UniformSampler(
num_true,
num_sampled,
True,
num_classes,
seed,
remove_accidental_hits)
self.cast = P.Cast()
self.reshape = P.Reshape()
self.shape = P.Shape()
self.exp = P.Exp()
self.log = P.Log()
self.slice_op = P.Slice()
self.matmul = P.MatMul(False, True)
self.gather_v2 = P.GatherV2()
self.reduce_max_true = P.ReduceMax(True)
self.reduce_sum = P.ReduceSum()
self.reduce_sum_true = P.ReduceSum(True)
self.concat_dim0 = P.Concat(0)
self.concat_dim1 = P.Concat(1)
self.ones_like = P.OnesLike()
self.zeros_like = P.ZerosLike()
self.mul = P.Mul()
self.expand_dims = P.ExpandDims()
def __init__(self, weight=None, reduction='none'):
super(BCELoss, self).__init__()
self.binary_cross_entropy = P.BinaryCrossEntropy(reduction=reduction)
self.weight_one = weight is None
if not self.weight_one:
self.weight = weight
else:
self.ones = P.OnesLike()
def __init__(self,
num_sampled,
num_classes,
num_true=1,
sampled_values=None,
remove_accidental_hits=True,
seed=0,
reduction='none'):
super(SampledSoftmaxLoss, self).__init__(reduction)
if num_true < 1:
raise ValueError(f"num_true {num_true} is less than 1.")
if seed < 0:
raise ValueError(f"seed {seed} is less than 0.")
if num_sampled > num_classes:
raise ValueError(
f"num_sampled {num_sampled} is great than num_classes {num_classes}."
)
if num_true > num_classes:
raise ValueError(
f"num_true {num_true} is great than num_classes {num_classes}."
)
if sampled_values is not None:
if not isinstance(sampled_values, (list, tuple)):
raise TypeError(
f"sampled_values {sampled_values} is not a list.")
if len(sampled_values) != 3:
raise ValueError(
f"sampled_values size {len(sampled_values)} is not 3.")
self.num_sampled = num_sampled
self.num_classes = num_classes
self.num_true = num_true
self.sampled_values = sampled_values
self.remove_accidental_hits = remove_accidental_hits
self.seed = seed
self.sampler = P.LogUniformCandidateSampler(num_true, num_sampled,
True, num_classes, seed)
self.cast = P.Cast()
self.reshape = P.Reshape()
self.shape = P.Shape()
self.exp = P.Exp()
self.log = P.Log()
self.slice_op = P.Slice()
self.matmul = P.MatMul(False, True)
self.gather_v2 = P.Gather()
self.reduce_max_true = P.ReduceMax(True)
self.reduce_sum = P.ReduceSum()
self.reduce_sum_true = P.ReduceSum(True)
self.concat_dim0 = P.Concat(0)
self.concat_dim1 = P.Concat(1)
self.ones_like = P.OnesLike()
self.zeros_like = P.ZerosLike()
self.mul = P.Mul()
self.expand_dims = P.ExpandDims()
self.dtype = P.DType()
self.compute_accidental_hits = P.ComputeAccidentalHits(num_true)
self.scatter_nd = P.ScatterNd()
def __init__(self, reduction='mean', weight=None, pos_weight=None):
super(BCEWithLogitsLoss, self).__init__()
self.bce_with_logits_loss = P.BCEWithLogitsLoss(reduction=reduction)
if isinstance(weight, Parameter):
raise TypeError(f"For {self.cls_name}, weight can not be Parameter.")
if isinstance(pos_weight, Parameter):
raise TypeError(f"For {self.cls_name}, pos_weight can not be Parameter.")
self.weight = weight
self.pos_weight = pos_weight
self.ones = P.OnesLike()
def __init__(self):
super(CEWithIgnoreIndex3D, self).__init__()
self.exp = P.Exp()
self.sum = P.ReduceSum()
self.reshape = P.Reshape()
self.log = P.Log()
self.cast = P.Cast()
self.eps_const = Tensor(eps, dtype=mstype.float32)
self.ones = P.OnesLike()
self.onehot = P.OneHot()
self.on_value = Tensor(1.0, mstype.float32)
self.off_value = Tensor(0.0, mstype.float32)
self.relu = P.ReLU()
self.resum = P.ReduceSum(keep_dims=False)
def __init__(self, scale=1.0, shift=0.0, name='ScalarAffine'):
"""
Constructor of scalar affine bijector.
"""
param = dict(locals())
validator.check_value_type('scale', scale, [float], name)
validator.check_value_type('shift', shift, [float], name)
self._scale = cast_to_tensor(scale)
self._shift = cast_to_tensor(shift)
super(ScalarAffine, self).__init__(is_constant_jacobian=True,
is_injective=True,
name=name,
dtype=None,
param=param)
self.log = P.Log()
self.oneslike = P.OnesLike()
def __init__(
self,
d_min=1e-3,
d_max=1.0,
num_rbf=32,
sigma=None,
trainable=False,
min_cutoff=False,
max_cutoff=False,
):
super().__init__()
if d_max <= d_min:
raise ValueError(
'The argument "d_max" must be larger' +
'than the argument "d_min" in LogGaussianDistribution!')
if d_min <= 0:
raise ValueError('The argument "d_min" must be ' +
' larger than 0 in LogGaussianDistribution!')
self.d_max = d_max
self.d_min = d_min / d_max
self.min_cutoff = min_cutoff
self.max_cutoff = max_cutoff
self.log = P.Log()
self.exp = P.Exp()
self.max = P.Maximum()
self.min = P.Minimum()
self.zeroslike = P.ZerosLike()
self.oneslike = P.OnesLike()
# linspace = nn.LinSpace(log_dmin,0,n_gaussians)
log_dmin = math.log(self.d_min)
# self.centers = linspace()
# self.ones = self.oneslike(self.centers)
centers = np.linspace(log_dmin, 0, num_rbf)
self.centers = Tensor(centers, ms.float32)
ones = np.ones_like(centers)
self.ones = Tensor(ones, ms.float32)
if sigma is None:
sigma = -log_dmin / (num_rbf - 1)
self.rescale = -0.5 / (sigma * sigma)
def __init__(self,
config,
num_hidden_layers,
attn_embed_dim,
num_attn_heads=12,
seq_length=64,
intermediate_size=3072,
attn_dropout_prob=0.1,
initializer_range=0.02,
hidden_dropout_prob=0.1,
hidden_act="relu",
compute_type=mstype.float32,
embedding_lookup=None,
positional_embedding=None,
projection=None):
super(TransformerDecoderStep, self).__init__(auto_prefix=False)
self.embedding_lookup = embedding_lookup
self.positional_embedding = positional_embedding
self.projection = projection
self.seq_length = seq_length
self.decoder = TransformerDecoder(attn_embed_dim=attn_embed_dim,
num_attn_heads=num_attn_heads,
decoder_layers=num_hidden_layers,
intermediate_size=intermediate_size,
attn_dropout_prob=attn_dropout_prob,
initializer_range=initializer_range,
dropout_prob=hidden_dropout_prob,
hidden_act=hidden_act,
compute_type=compute_type)
self.ones_like = P.OnesLike()
self.shape = P.Shape()
self._create_attention_mask_from_input_mask = CreateAttentionMaskFromInputMask(
config)
self.expand = P.ExpandDims()
self.multiply = P.Mul()
ones = np.ones(shape=(seq_length, seq_length))
self.future_mask = Tensor(np.tril(ones), dtype=mstype.float32)
self.cast_compute_type = SaturateCast(dst_type=compute_type)
self.scale = Tensor([math.sqrt(float(attn_embed_dim))],
dtype=mstype.float32)
def __init__(self, scale=1.0, shift=0.0, name='ScalarAffine'):
"""
Constructor of ScalarAffine Bijector.
"""
param = dict(locals())
param['param_dict'] = {'scale': scale, 'shift': shift}
super(ScalarAffine, self).__init__(is_constant_jacobian=True,
is_injective=True,
name=name,
dtype=None,
param=param)
self._scale = self._add_parameter(scale, 'scale')
self._shift = self._add_parameter(shift, 'shift')
self.abs = P.Abs()
self.oneslike = P.OnesLike()
self.dtypeop = P.DType()
self.cast = P.Cast()
self.log = log_generic
def test_mode_init(self, config):
self.test_batch_size = config.test_batch_size
self.split = P.Split(axis=0, output_num=self.test_batch_size)
self.split_shape = P.Split(axis=0, output_num=4)
self.split_scores = P.Split(axis=1, output_num=self.num_classes)
self.split_cls = P.Split(axis=0, output_num=self.num_classes - 1)
self.tile = P.Tile()
self.gather = P.GatherNd()
self.rpn_max_num = config.rpn_max_num
self.zeros_for_nms = Tensor(
np.zeros((self.rpn_max_num, 3)).astype(self.dtype))
self.ones_mask = np.ones((self.rpn_max_num, 1)).astype(np.bool)
self.zeros_mask = np.zeros((self.rpn_max_num, 1)).astype(np.bool)
self.bbox_mask = Tensor(
np.concatenate((self.ones_mask, self.zeros_mask, self.ones_mask,
self.zeros_mask),
axis=1))
self.nms_pad_mask = Tensor(
np.concatenate((self.ones_mask, self.ones_mask, self.ones_mask,
self.ones_mask, self.zeros_mask),
axis=1))
self.test_score_thresh = Tensor(
np.ones((self.rpn_max_num, 1)).astype(self.dtype) *
config.test_score_thr)
self.test_score_zeros = Tensor(
np.ones((self.rpn_max_num, 1)).astype(self.dtype) * 0)
self.test_box_zeros = Tensor(
np.ones((self.rpn_max_num, 4)).astype(self.dtype) * -1)
self.test_iou_thr = Tensor(
np.ones((self.rpn_max_num, 1)).astype(self.dtype) *
config.test_iou_thr)
self.test_max_per_img = config.test_max_per_img
self.nms_test = P.NMSWithMask(config.test_iou_thr)
self.softmax = P.Softmax(axis=1)
self.logicand = P.LogicalAnd()
self.oneslike = P.OnesLike()
self.test_topk = P.TopK(sorted=True)
self.test_num_proposal = self.test_batch_size * self.rpn_max_num
def __init__(self,
config,
use_one_hot_embeddings,
compute_type=mstype.float32):
super(BeamDecoderStep, self).__init__(auto_prefix=True)
self.vocab_size = config.vocab_size
self.word_embed_dim = config.hidden_size
self.embedding_lookup = EmbeddingLookup(
is_training=False,
vocab_size=config.vocab_size,
embed_dim=self.word_embed_dim,
use_one_hot_embeddings=use_one_hot_embeddings)
self.projection = PredLogProbs(batch_size=config.batch_size *
config.beam_width,
seq_length=1,
width=config.vocab_size,
compute_type=config.compute_type)
self.seq_length = config.max_decode_length
self.decoder = GNMTDecoder(config,
is_training=False,
infer_beam_width=config.beam_width)
self.ones_like = P.OnesLike()
self.shape = P.Shape()
self.create_att_paddings_from_input_paddings = CreateAttentionPaddingsFromInputPaddings(
config, is_training=False)
self.expand = P.ExpandDims()
self.multiply = P.Mul()
ones = np.ones(shape=(config.max_decode_length,
config.max_decode_length))
self.future_mask = Tensor(np.tril(ones), dtype=mstype.float32)
self.cast_compute_type = SaturateCast(dst_type=compute_type)
self.transpose = P.Transpose()
self.transpose_orders = (1, 0, 2)
def construct(self, x, mean, variance, global_step):
if self.is_gpu:
if self.training:
batch_mean, batch_std, running_mean, running_std = self.bn_train(
x, mean, variance, global_step)
else:
batch_mean, batch_std, running_mean, running_std = self.bn_infer(
x, mean, variance, global_step)
else:
if self.training:
x_sum, x_square_sum = self.bn_reduce(x)
_, batch_mean, batch_std, running_mean, running_std, mean_updated, variance_updated = \
self.bn_update(x, x_sum, x_square_sum, mean, variance)
P.Assign()(mean, mean_updated)
P.Assign()(variance, variance_updated)
else:
batch_mean = P.ZerosLike()(variance)
batch_std = P.OnesLike()(variance)
running_mean = P.TensorAdd()(mean, 0.)
running_std = P.Sqrt()(P.TensorAdd()(variance, self.epsilon))
return batch_mean, batch_std, running_mean, running_std
def __init__(self):
super(ComputeDescriptor, self).__init__()
self.reshape = P.Reshape()
self.transpose = P.Transpose()
self.cast = P.Cast()
self.rsum = P.ReduceSum()
self.broadcastto = P.BroadcastTo((1, 192 * 138))
self.broadcastto1 = P.BroadcastTo((1, 192, 138, 3))
self.broadcastto2 = P.BroadcastTo((1, 192, 138, 3, 3))
self.broadcastto3 = P.BroadcastTo((1, 192, 138, 4))
self.broadcastto4 = P.BroadcastTo((1, 192, 138, 4, 3))
self.expdims = P.ExpandDims()
self.concat = P.Concat(axis=3)
self.gather = P.GatherV2()
self.mul = P.Mul()
self.slice = P.Slice()
self.square = P.Square()
self.inv = P.Inv()
self.sqrt = P.Sqrt()
self.ones = P.OnesLike()
self.eye = P.Eye()
def __init__(self,
temperature=0.07,
contrast_mode='all',
base_temperature=0.07):
super(SupConLoss, self).__init__()
self.temperature = temperature
self.contrast_mode = contrast_mode
self.base_temperature = base_temperature
self.normalize = P.L2Normalize(axis=2)
self.eye = P.Eye()
self.unbind = P.Unstack(axis=1)
self.cat = P.Concat(axis=0)
self.matmul = P.MatMul()
self.div = P.Div()
self.transpose = P.Transpose()
self.maxes = P.ArgMaxWithValue(axis=1, keep_dims=True)
self.tile = P.Tile()
self.scatter = P.ScatterNd()
self.oneslike = P.OnesLike()
self.exp = P.Exp()
self.sum = P.ReduceSum(keep_dims=True)
self.log = P.Log()
self.reshape = P.Reshape()
self.mean = P.ReduceMean()
def __init__(
self,
dim_atom_embed,
num_rbf,
n_heads=8,
activation=Swish(),
max_cycles=10,
time_embedding=0,
use_pondering=True,
fixed_cycles=False,
use_filter=True,
inside_filter=None,
act_threshold=0.9,
fixed_neigh=False,
):
super().__init__(gather_dim=dim_atom_embed, fixed_neigh=fixed_neigh)
if dim_atom_embed % n_heads != 0:
raise ValueError('The term "dim_atom_embed" cannot be divisible ' +
'by the term "n_heads" in AirNetIneteraction! ')
self.n_heads = n_heads
self.max_cycles = max_cycles
self.dim_atom_embed = dim_atom_embed
self.num_rbf = num_rbf
self.time_embedding = time_embedding
if fixed_cycles:
self.flexable_cycels = False
else:
self.flexable_cycels = True
self.use_filter = use_filter
if self.use_filter:
# self.filter = Filter(num_rbf,dim_atom_embed,activation)
self.filter = Dense(num_rbf,
dim_atom_embed,
has_bias=True,
activation=None)
self.positional_embedding = PositionalEmbedding(dim_atom_embed)
self.multi_head_attention = MultiheadAttention(dim_atom_embed, n_heads)
self.act_threshold = act_threshold
self.act_epsilon = 1.0 - act_threshold
self.use_pondering = use_pondering
self.pondering = None
self.act_weight = None
if self.max_cycles > 1:
if self.use_pondering:
self.pondering = Pondering(dim_atom_embed * 3, bias_const=3)
self.act_weight = ACTWeight(self.act_threshold)
else:
if self.flexable_cycels:
raise ValueError(
'The term "fixed_cycles" must be True ' +
'when the pondering network is None in AirNetIneteraction! '
)
self.fixed_weight = Tensor(1.0 / max_cycles, ms.float32)
self.max = P.Maximum()
self.min = P.Minimum()
self.concat = P.Concat(-1)
self.pack = P.Pack()
self.reducesum = P.ReduceSum()
self.squeeze = P.Squeeze(-1)
self.ones_like = P.OnesLike()
self.zeros_like = P.ZerosLike()
self.zeros = P.Zeros()
'skip': ['backward']}),
('DescConst', {
'block': Tensor(np.array([2], np.float32)),
'desc_inputs': [],
'desc_bprop': [[1]],
'skip': ['backward'],
'add_fake_input': True}),
('Fill', {
'block': P.Fill(),
'desc_const': [mstype.float32, (2, 3), 1.0],
'desc_inputs': [],
'desc_bprop': [[2, 3]],
'skip': ['backward'],
'add_fake_input': True}),
('OnesLike', {
'block': P.OnesLike(),
'desc_inputs': [Tensor(np.array([[0, 1], [2, 1]]).astype(np.int32))],
'desc_bprop': [Tensor(np.array([[1, 1], [1, 1]]).astype(np.int32))]
}),
('ZerosLike', {
'block': P.ZerosLike(),
'desc_inputs': [Tensor(np.array([[0, 1], [2, 1]]).astype(np.int32))],
'desc_bprop': [Tensor(np.array([[1, 1], [1, 1]]).astype(np.int32))]
}),
('Softmax', {
'block': P.Softmax(),
'desc_inputs': [[5, 5]],
'desc_bprop': [[5, 5]]}),
('DepthwiseConv2dNative_1', {
'block': P.DepthwiseConv2dNative(3, (3, 3), pad_mode="pad", pad=1, stride=2),
'desc_inputs': [[10, 32, 32, 32], [1, 32, 3, 3]],
def __init__(self, strategy1, strategy2):
super().__init__()
self.matmul = P.MatMul().set_strategy(strategy1)
self.oneslike = P.OnesLike().set_strategy(strategy2)
self.matmul2 = P.MatMul().set_strategy(strategy1)
def __init__(self, shape, threshold=0.9):
super().__init__()
self.threshold = threshold
self.zeros_like = P.ZerosLike()
self.ones_like = P.OnesLike()
reduce_sum = ops.ReduceSum(keep_dims=False)
square = ops.Square()
argmin = ops.Argmin()
centroid_matrix = reshape(tile(centroids, (num_pts, 1)),
(num_pts, k, num_feats))
point_matrix = reshape(tile(data_points, (1, k)), (num_pts, k, num_feats))
distances = reduce_sum(square(point_matrix - centroid_matrix), 2)
centroid_group = argmin(distances)
return centroid_group
# 计算三个堆的平均距离更新堆中新的中心点
unsorted_segment_sum = ops.UnsortedSegmentSum()
ones_like = ops.OnesLike()
def data_group_avg(group_ids, data):
# 分组求和
sum_total = unsorted_segment_sum(data, group_ids, 3)
#计算堆大小
num_total = unsorted_segment_sum(ones_like(data), group_ids, 3)
#求距离均值
avg_by_group = sum_total / num_total
return avg_by_group
assign = ops.Assign()
# 遍历循环训练，更新每组分类的中心点
for i in range(generations):
def __init__(self, config):
super(Deeptext_VGG16, self).__init__()
self.train_batch_size = config.batch_size
self.num_classes = config.num_classes
self.anchor_scales = config.anchor_scales
self.anchor_ratios = config.anchor_ratios
self.anchor_strides = config.anchor_strides
self.target_means = tuple(config.rcnn_target_means)
self.target_stds = tuple(config.rcnn_target_stds)
# Anchor generator
anchor_base_sizes = None
self.anchor_base_sizes = list(
self.anchor_strides
) if anchor_base_sizes is None else anchor_base_sizes
self.anchor_generators = []
for anchor_base in self.anchor_base_sizes:
self.anchor_generators.append(
AnchorGenerator(anchor_base, self.anchor_scales,
self.anchor_ratios))
self.num_anchors = len(self.anchor_ratios) * len(self.anchor_scales)
featmap_sizes = config.feature_shapes
assert len(featmap_sizes) == len(self.anchor_generators)
self.anchor_list = self.get_anchors(featmap_sizes)
# Rpn and rpn loss
self.gt_labels_stage1 = Tensor(
np.ones((self.train_batch_size, config.num_gts)).astype(np.uint8))
self.rpn_with_loss = RPN(config, self.train_batch_size,
config.rpn_in_channels,
config.rpn_feat_channels, config.num_anchors,
config.rpn_cls_out_channels)
# Proposal
self.proposal_generator = Proposal(config, self.train_batch_size,
config.activate_num_classes,
config.use_sigmoid_cls)
self.proposal_generator.set_train_local(config, True)
self.proposal_generator_test = Proposal(config, config.test_batch_size,
config.activate_num_classes,
config.use_sigmoid_cls)
self.proposal_generator_test.set_train_local(config, False)
# Assign and sampler stage two
self.bbox_assigner_sampler_for_rcnn = BboxAssignSampleForRcnn(
config, self.train_batch_size, config.num_bboxes_stage2, True)
self.decode = P.BoundingBoxDecode(max_shape=(576, 960), means=self.target_means, \
stds=self.target_stds)
# Rcnn
self.rcnn = Rcnn(
config, config.rcnn_in_channels * config.roi_layer['out_size'] *
config.roi_layer['out_size'], self.train_batch_size,
self.num_classes)
# Op declare
self.squeeze = P.Squeeze()
self.cast = P.Cast()
self.concat = P.Concat(axis=0)
self.concat_1 = P.Concat(axis=1)
self.concat_2 = P.Concat(axis=2)
self.reshape = P.Reshape()
self.select = P.Select()
self.greater = P.Greater()
self.transpose = P.Transpose()
# Test mode
self.test_batch_size = config.test_batch_size
self.split = P.Split(axis=0, output_num=self.test_batch_size)
self.split_shape = P.Split(axis=0, output_num=4)
self.split_scores = P.Split(axis=1, output_num=self.num_classes)
self.split_cls = P.Split(axis=0, output_num=self.num_classes - 1)
self.tile = P.Tile()
self.gather = P.GatherNd()
self.rpn_max_num = config.rpn_max_num
self.zeros_for_nms = Tensor(
np.zeros((self.rpn_max_num, 3)).astype(np.float32))
self.ones_mask = np.ones((self.rpn_max_num, 1)).astype(np.bool)
self.zeros_mask = np.zeros((self.rpn_max_num, 1)).astype(np.bool)
self.bbox_mask = Tensor(
np.concatenate((self.ones_mask, self.zeros_mask, self.ones_mask,
self.zeros_mask),
axis=1))
self.nms_pad_mask = Tensor(
np.concatenate((self.ones_mask, self.ones_mask, self.ones_mask,
self.ones_mask, self.zeros_mask),
axis=1))
self.test_score_thresh = Tensor(
np.ones((self.rpn_max_num, 1)).astype(np.float32) *
config.test_score_thr)
self.test_score_zeros = Tensor(
np.ones((self.rpn_max_num, 1)).astype(np.float32) * 0)
self.test_box_zeros = Tensor(
np.ones((self.rpn_max_num, 4)).astype(np.float32) * -1)
self.test_iou_thr = Tensor(
np.ones((self.rpn_max_num, 1)).astype(np.float32) *
config.test_iou_thr)
self.test_max_per_img = config.test_max_per_img
self.nms_test = P.NMSWithMask(config.test_iou_thr)
self.softmax = P.Softmax(axis=1)
self.logicand = P.LogicalAnd()
self.oneslike = P.OnesLike()
self.test_topk = P.TopK(sorted=True)
self.test_num_proposal = self.test_batch_size * self.rpn_max_num
# Improve speed
self.concat_start = (self.num_classes - 2)
self.concat_end = (self.num_classes - 1)
# Init tensor
self.use_ambigous_sample = config.use_ambigous_sample
roi_align_index = [
np.array(np.ones((config.num_expected_pos_stage2 +
config.num_expected_neg_stage2, 1)) * i,
dtype=np.float32) for i in range(self.train_batch_size)
]
if self.use_ambigous_sample:
roi_align_index = [
np.array(np.ones((config.num_expected_pos_stage2 +
config.num_expected_amb_stage2 +
config.num_expected_neg_stage2, 1)) * i,
dtype=np.float32)
for i in range(self.train_batch_size)
]
roi_align_index_test = [np.array(np.ones((config.rpn_max_num, 1)) * i, dtype=np.float32) \
for i in range(self.test_batch_size)]
self.roi_align_index_tensor = Tensor(np.concatenate(roi_align_index))
self.roi_align_index_test_tensor = Tensor(
np.concatenate(roi_align_index_test))
self.roi_align4 = P.ROIAlign(pooled_width=7,
pooled_height=7,
spatial_scale=0.125)
self.roi_align5 = P.ROIAlign(pooled_width=7,
pooled_height=7,
spatial_scale=0.0625)
self.concat1 = P.Concat(axis=1)
self.roi_align_fuse = _conv(in_channels=1024,
out_channels=512,
kernel_size=1,
padding=0,
stride=1)
self.vgg16_feature_extractor = VGG16FeatureExtraction()
def __init__(self):
super(NetOnesLike, self).__init__()
self.ones_like = P.OnesLike()
def __init__(self, config):
super(Mask_Rcnn_Resnet50, self).__init__()
self.train_batch_size = config.batch_size
self.num_classes = config.num_classes
self.anchor_scales = config.anchor_scales
self.anchor_ratios = config.anchor_ratios
self.anchor_strides = config.anchor_strides
self.target_means = tuple(config.rcnn_target_means)
self.target_stds = tuple(config.rcnn_target_stds)
# Anchor generator
anchor_base_sizes = None
self.anchor_base_sizes = list(
self.anchor_strides) if anchor_base_sizes is None else anchor_base_sizes
self.anchor_generators = []
for anchor_base in self.anchor_base_sizes:
self.anchor_generators.append(
AnchorGenerator(anchor_base, self.anchor_scales, self.anchor_ratios))
self.num_anchors = len(self.anchor_ratios) * len(self.anchor_scales)
featmap_sizes = config.feature_shapes
assert len(featmap_sizes) == len(self.anchor_generators)
self.anchor_list = self.get_anchors(featmap_sizes)
# Backbone resnet50
self.backbone = ResNetFea(ResidualBlockUsing,
config.resnet_block,
config.resnet_in_channels,
config.resnet_out_channels,
False)
# Fpn
self.fpn_ncek = FeatPyramidNeck(config.fpn_in_channels,
config.fpn_out_channels,
config.fpn_num_outs)
# Rpn and rpn loss
self.gt_labels_stage1 = Tensor(np.ones((self.train_batch_size, config.num_gts)).astype(np.uint8))
self.rpn_with_loss = RPN(config,
self.train_batch_size,
config.rpn_in_channels,
config.rpn_feat_channels,
config.num_anchors,
config.rpn_cls_out_channels)
# Proposal
self.proposal_generator = Proposal(config,
self.train_batch_size,
config.activate_num_classes,
config.use_sigmoid_cls)
self.proposal_generator.set_train_local(config, True)
self.proposal_generator_test = Proposal(config,
config.test_batch_size,
config.activate_num_classes,
config.use_sigmoid_cls)
self.proposal_generator_test.set_train_local(config, False)
# Assign and sampler stage two
self.bbox_assigner_sampler_for_rcnn = BboxAssignSampleForRcnn(config, self.train_batch_size,
config.num_bboxes_stage2, True)
self.decode = P.BoundingBoxDecode(max_shape=(768, 1280), means=self.target_means, \
stds=self.target_stds)
# Roi
self.roi_align = SingleRoIExtractor(config,
config.roi_layer,
config.roi_align_out_channels,
config.roi_align_featmap_strides,
self.train_batch_size,
config.roi_align_finest_scale,
mask=False)
self.roi_align.set_train_local(config, True)
self.roi_align_mask = SingleRoIExtractor(config,
config.roi_layer,
config.roi_align_out_channels,
config.roi_align_featmap_strides,
self.train_batch_size,
config.roi_align_finest_scale,
mask=True)
self.roi_align_mask.set_train_local(config, True)
self.roi_align_test = SingleRoIExtractor(config,
config.roi_layer,
config.roi_align_out_channels,
config.roi_align_featmap_strides,
1,
config.roi_align_finest_scale,
mask=False)
self.roi_align_test.set_train_local(config, False)
self.roi_align_mask_test = SingleRoIExtractor(config,
config.roi_layer,
config.roi_align_out_channels,
config.roi_align_featmap_strides,
1,
config.roi_align_finest_scale,
mask=True)
self.roi_align_mask_test.set_train_local(config, False)
# Rcnn
self.rcnn_cls = RcnnCls(config, self.train_batch_size, self.num_classes)
self.rcnn_mask = RcnnMask(config, self.train_batch_size, self.num_classes)
# Op declare
self.squeeze = P.Squeeze()
self.cast = P.Cast()
self.concat = P.Concat(axis=0)
self.concat_1 = P.Concat(axis=1)
self.concat_2 = P.Concat(axis=2)
self.reshape = P.Reshape()
self.select = P.Select()
self.greater = P.Greater()
self.transpose = P.Transpose()
# Test mode
self.test_batch_size = config.test_batch_size
self.split = P.Split(axis=0, output_num=self.test_batch_size)
self.split_shape = P.Split(axis=0, output_num=4)
self.split_scores = P.Split(axis=1, output_num=self.num_classes)
self.split_fb_mask = P.Split(axis=1, output_num=self.num_classes)
self.split_cls = P.Split(axis=0, output_num=self.num_classes-1)
self.tile = P.Tile()
self.gather = P.GatherNd()
self.rpn_max_num = config.rpn_max_num
self.zeros_for_nms = Tensor(np.zeros((self.rpn_max_num, 3)).astype(np.float16))
self.ones_mask = np.ones((self.rpn_max_num, 1)).astype(np.bool)
self.zeros_mask = np.zeros((self.rpn_max_num, 1)).astype(np.bool)
self.bbox_mask = Tensor(np.concatenate((self.ones_mask, self.zeros_mask,
self.ones_mask, self.zeros_mask), axis=1))
self.nms_pad_mask = Tensor(np.concatenate((self.ones_mask, self.ones_mask,
self.ones_mask, self.ones_mask, self.zeros_mask), axis=1))
self.test_score_thresh = Tensor(np.ones((self.rpn_max_num, 1)).astype(np.float16) * config.test_score_thr)
self.test_score_zeros = Tensor(np.ones((self.rpn_max_num, 1)).astype(np.float16) * 0)
self.test_box_zeros = Tensor(np.ones((self.rpn_max_num, 4)).astype(np.float16) * -1)
self.test_iou_thr = Tensor(np.ones((self.rpn_max_num, 1)).astype(np.float16) * config.test_iou_thr)
self.test_max_per_img = config.test_max_per_img
self.nms_test = P.NMSWithMask(config.test_iou_thr)
self.softmax = P.Softmax(axis=1)
self.logicand = P.LogicalAnd()
self.oneslike = P.OnesLike()
self.test_topk = P.TopK(sorted=True)
self.test_num_proposal = self.test_batch_size * self.rpn_max_num
# Improve speed
self.concat_start = min(self.num_classes - 2, 55)
self.concat_end = (self.num_classes - 1)
# Init tensor
roi_align_index = [np.array(np.ones((config.num_expected_pos_stage2 + config.num_expected_neg_stage2, 1)) * i,
dtype=np.float16) for i in range(self.train_batch_size)]
roi_align_index_test = [np.array(np.ones((config.rpn_max_num, 1)) * i, dtype=np.float16) \
for i in range(self.test_batch_size)]
self.roi_align_index_tensor = Tensor(np.concatenate(roi_align_index))
self.roi_align_index_test_tensor = Tensor(np.concatenate(roi_align_index_test))
roi_align_index_pos = [np.array(np.ones((config.num_expected_pos_stage2, 1)) * i,
dtype=np.float16) for i in range(self.train_batch_size)]
self.roi_align_index_tensor_pos = Tensor(np.concatenate(roi_align_index_pos))
self.rcnn_loss_cls_weight = Tensor(np.array(config.rcnn_loss_cls_weight).astype(np.float16))
self.rcnn_loss_reg_weight = Tensor(np.array(config.rcnn_loss_reg_weight).astype(np.float16))
self.rcnn_loss_mask_fb_weight = Tensor(np.array(config.rcnn_loss_mask_fb_weight).astype(np.float16))
self.argmax_with_value = P.ArgMaxWithValue(axis=1)
self.on_value = Tensor(1.0, mstype.float32)
self.off_value = Tensor(0.0, mstype.float32)
self.onehot = P.OneHot()
self.reducesum = P.ReduceSum()
self.sigmoid = P.Sigmoid()
self.expand_dims = P.ExpandDims()
self.test_mask_fb_zeros = Tensor(np.zeros((self.rpn_max_num, 28, 28)).astype(np.float16))
self.value = Tensor(1.0, mstype.float16)