def _conv2d_impl(self, input_layer, num_channels_in, filters, kernel_size,
strides, padding, kernel_initializer):
if self.use_tf_layers:
return conv_layers.conv2d(input_layer, filters, kernel_size, strides,
padding, self.channel_pos,
kernel_initializer=kernel_initializer,
use_bias=False)
else:
weights_shape = [kernel_size[0], kernel_size[1], num_channels_in, filters]
# We use the name 'conv2d/kernel' so the variable has the same name as its
# tf.layers equivalent. This way, if a checkpoint is written when
# self.use_tf_layers == True, it can be loaded when
# self.use_tf_layers == False, and vice versa.
weights = self.get_variable('conv2d/kernel', weights_shape,
self.variable_dtype, self.dtype,
initializer=kernel_initializer)
if self.data_format == 'NHWC':
strides = [1] + strides + [1]
else:
strides = [1, 1] + strides
return tf.nn.conv2d(input_layer, weights, strides, padding,
data_format=self.data_format)
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