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Upsampling layer for 3D inputs.
tf.keras.layers.UpSampling3D( size=(2, 2, 2), data_format=None, **kwargs )
Repeats the 1st, 2nd and 3rd dimensions of the data by size[0]
, size[1]
and size[2]
respectively.
input_shape = (2, 1, 2, 1, 3) x = tf.constant(1, shape=input_shape) y = tf.keras.layers.UpSampling3D(size=2)(x) print(y.shape) (2, 2, 4, 2, 3)
Arguments | |
---|---|
size | Int, or tuple of 3 integers. The upsampling factors for dim1, dim2 and dim3. |
data_format | A string, one of channels_last (default) or channels_first . The ordering of the dimensions in the inputs. channels_last corresponds to inputs with shape (batch_size, spatial_dim1, spatial_dim2, spatial_dim3, channels) while channels_first corresponds to inputs with shape (batch_size, channels, spatial_dim1, spatial_dim2, spatial_dim3) . It defaults to the image_data_format value found in your Keras config file at ~/.keras/keras.json . If you never set it, then it will be "channels_last". |
5D tensor with shape:
data_format
is "channels_last"
: (batch_size, dim1, dim2, dim3, channels)
data_format
is "channels_first"
: (batch_size, channels, dim1, dim2, dim3)
5D tensor with shape:
data_format
is "channels_last"
: (batch_size, upsampled_dim1, upsampled_dim2, upsampled_dim3, channels)
data_format
is "channels_first"
: (batch_size, channels, upsampled_dim1, upsampled_dim2, upsampled_dim3)
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Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r2.4/api_docs/python/tf/keras/layers/UpSampling3D