Hi Vishal,
what do you mean by as “as they come”?:
classifying another set of images(other datasets), or
classifying incrementally single image one after another.
For the 1st, there is a method set_data that receive a data object like the one you wrote on you 1st post. So you must just set the test_name the folder containing images to classify.
For the 2nd, you can refer to this post:
Hopefully it helps.
Let us know if you get some troubles.