Fundamentally speaking, deep learning, like all machine learning methods, is a process of modeling specific problems in the real world with mathematical models to solve similar problems in this field.

Deep learning belongs to machine learning, but it refers to an algorithm based on neural network. At present, the biggest application of deep learning is cv, and the biggest application scenario of cv is security. It is not difficult to understand that the AI ? ? Four Little Dragons all regard security as an important business. Huawei, Ali and Tencent also shouted the slogan of pan-security.

If you go to work in an Internet company, you will mainly do three algorithms, recommend advertising search, nlp, or cv.