Yes there are different methods I suggest that you read the following paper which describes all steps of LIDAR processing and classification based on fusion of LIDAR with optic image. It is about urban features classification. It also includes the name of software used in the LIDAR data processing.
Article Toward Robust Segmentation Results Based on Fusion Methods f...
https://forums.ni.com/t5/Example-Program-Drafts/Artificial-Neural-Network-Multilayer-Perceptron-with-Back/ta-p/3491335?profile.language=esIn the NI forums some examples can be found of the application you're asking for.
these two papers who invented backpropagation.Geoffrey hinton - https://www.cs.toronto.edu/~hinton/absps/plautfilters.pdfYann lecunn - http://yann.lecun.com/exdb/publis/pdf/lecun-88.pdf