The question is in the title. I���m just journeying in this field and was wandering if it exists something on deep learning algorithms. 

an introduction: http://www.toptal.com/machine-learning/an-introduction-to-deep-learning-from-perceptrons-to-deep-networks

Python lib: http://www.pyimagesearch.com/2014/09/22/getting-started-deep-learning-python/        http://deeplearning.net/tutorial/   

Java lib (link in the tutorial) 

...

Cheers and best wishes all for 2015,

C��drick