Textbook definition of Data augmentation I'm trying to find a textbook definition of Data augmentation. We all know what it is, but I'm having a hard time finding a reliable source which I can cite for my paper:

The Wikipedia article on Data augmentation misquotes an article by Shorten &amp; Khoshgoftaar which doesn't actually present a definition.
There are many definitions in blog posts, but these are not reliable sources.

It doesn't help that there is a Markov chain Monte-Carlo algorithm with the same name cluttering up search results.
Any clues?
How about the definition from &quot;The Art of Data Augmentation&quot; by David A van Dyk &amp; Xiao-Li Meng:
The term data augmentation refers to methods for constructing iterative optimization or sampling algorithms via the introduction of unobserved data or latent variables.
Citation:
David A van Dyk &amp; Xiao-Li Meng (2001) The Art of Data Augmentation, Journal of Computational and Graphical Statistics, 10:1, 1-50, DOI: 10.1198/10618600152418584