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In the past few years, I have the luxury of working and mentoring with a considerable number of beginners. Although I have clearly witnessed a considerable part of my programming failure, things are not as black and white as they seem. Among beginners, I always see some patterns and behaviors. While some of these behaviors are misleading and ha ...

Word2vec of recommendation system Objective: in the tasks related to natural language processing, we should hand over the natural language to the algorithm in machine learning. Usually, we need to mathematicize the language, because the machine is not a human, and the machine only recognizes mathematical symbols. Vectors are things that people ...

License plate recognition is widely used in expressways, such as our common electronic toll collection (ETC) system and the detection of traffic violation vehicles. In addition, access control in residential areas or underground garages will also be used. Basically, it will be used in all places where vehicle identity detection is required. br ...

Case 1 (happiness prediction) Background introduction Happiness involves philosophy, psychology, sociology, economics and other disciplines. At the same time, it is closely related to everyone's life. Everyone has his own measurement standard for happiness. If we can find the commonalities that affect happiness and find the policy factors tha ...

Original text: Li Xiaolai @ study and study againIt only takes one day to translate a book! ——This is what I did today.At the beginning of this month, I explored the Google Cloud Translation API for a while. In the process, I found DeepL and directly turned around. I bought the Pro service for less than $24 a month and less than $3 ...

Novice beginners hope to take notes to record what they have learned. They also hope to help those who are also beginners. They also hope that the big guys can help correct mistakes ~ infringement legislation and deletion. catalogue 1, Principle analysis 2, Code analysis 1. Main part - load_mosaic 2,load_image function 3,random_perspectiv ...

preface The configuration process of yolov5 is generally OK, but most blogs on the Internet do not carefully introduce the specific steps. This paper will record the whole process of yolov5 environment configuration under Windows 10 system from the most detailed level, as well as some details of yolov5 use, and how to make and train their own ...

In the neural network optimization algorithm, the most commonly used method is the back propagation algorithm, and its work flow is as follows: As shown in the figure, the back propagation algorithm implements an iterative process. At the beginning of each iteration, a part of training data is selected, which is called a batch. Then, the ...

This paper first writes the demo of the multi classification problem supported by xgboost, prints the tree structure, and then understands the principle of xgboost to realize the multi classification problem. This order is easier to understand. xgboost multi classification problem demo This demo can be seen from the source code of xgboost. In ...

catalogue   Use type script Type scripts enforce type safety Type descriptions make it possible to refactor larger applications Type scripts make team architecture communication easier Use modern features Synchronization and waiting Jean and conster Arrow = = function Propagation operator Template font (template string) Object const ...