Pads these dimensions with respectively padding[[1]], padding[[2]], and padding[[3]] zeros left and right. For 'channels_last' data_format, the 2nd, 3rd and 4th dimension will be padded. For 'channels_first' data_format, the 3rd, 4th and 5th dimension will be padded.

k_spatial_3d_padding(x, padding = list(list(1, 1), list(1, 1), list(1,
  1)), data_format = NULL)



Tensor or variable.


List of 3 lists, padding pattern.


string, "channels_last" or "channels_first".


A padded 5D tensor.

Keras Backend

This function is part of a set of Keras backend functions that enable lower level access to the core operations of the backend tensor engine (e.g. TensorFlow, CNTK, Theano, etc.).

You can see a list of all available backend functions here: