class_docstr: Nonlinear transform coding model.
code: def ndim_latent(self):
      return self._analysis.output_shape[-1]
  
imports: import matplotlib.pyplot
  import numpy
  import tensorflow
  import tensorflow_compression
  import tensorflow_probability
  from toy_sources import compression_model
label_desc: Use image node_id 3 for calling the NTCModel obj's underlying member method code with example usage: obj.ndim_latent() and returns: self