AI Knowledge Base

AI algorithm
Algorithms are very important in the field of artificial intelligence (AI). We need to abstract the actual problems into mathematical problems, and then let the machine solve the mathematical problems. The choice of algorithm directly leads to the ability to solve the problem and how much to solve the problem.

Basic science
In the era of artificial intelligence (AI), everyone needs to understand some basic knowledge of artificial intelligence. This basic knowledge can help us understand this new era and keep up with this new era.
15 Articles
 Artificial Intelligence  Artificial intelligence  AI
 Training set, validation set, and test set (attachment: segmentation method + crossvalidation)
 Classification model evaluation indicatorsaccuracy rate, accuracy rate, recall rate, F1, ROC curve, AUC curve
 Supervised learning  Supervised learning
 Unsupervised learning  Unsupervised learning  UL

Mathematical basis
Mathematics is a very important basic skill in the field of artificial intelligence (AI). The process of machine learning is equivalent to the process of solving mathematical problems. Mathematical knowledge such as linear algebra and probability theory is very important!

机器 学习
Machine learning abstracts the problems in the real world into mathematical models and solves reallife problems by solving mathematical models. It is a very mainstream field in the field of artificial intelligence, and deep learning is also a category of machine learning.

Deep learning
Deep learning is currently the hottest area, and this topic will introduce the concepts of deep learning, applications and some typical algorithms.

Feature engineering
Feature engineering transforms data into features that can better represent potential problems, thereby improving the performance of machine learning.

Natural language processing
Natural Language Processing (NLP) is the "translation" between machine language and human language to achieve the purpose of humancomputer communication.
Natural language processing includes speech recognition, semantic understanding, and translation of machine language into human natural language.

Computer vision
Computer vision is a study of how to makemachineThe science of "seeing", to a further extent, refers to the use of cameras and computers instead of human eyes to identify, track and measure targets.Machine visionAnd further graphic processing, so that the computer processing becomes an image that is more suitable for human eye observation or transmitted to the instrument for detection.

Voice interaction
Voice interaction is a new generation of interactive mode based on voice input, and feedback can be obtained by speaking. Typical application scenario  voice assistant. Since the introduction of SIRI by iPhone 4S, intelligent voice interactive applications have developed rapidly. Typical Chinese intelligent voice interaction applications such as wormhole voice assistant and Xunfei language point have been recognized by more and more users.