Deep learning (also known as deep structured learning or hierarchical learning) is part of a broader family of machine learning methods based on the layers used in artificial neural networks. Learning can be supervised, semi-supervised or unsupervised
Reference:
https://en.wikipedia.org/wiki/Deep_learning
There are many applications of deep learning, e.g., Object Recognition, Computer Vision, Classification, etc.
Following Webinars are suggested for further information:
Object Recognition: Deep Learning and Machine Learning for Computer Vision