Module to construct a dense 1-D representation from the pixels of images.
hub_image_embedding_column(key, module_spec)
A string or [feature_column](https://tensorflow.rstudio.com/tfestimators/articles/feature_columns.html) identifying the text feature.
A string handle or a _ModuleSpec identifying the module.
This feature column can be used on images, represented as float32 tensors of RGB pixel data in the range [0,1].