• ## Hengyuan cloud_ Notes on [image smoothing]

Time：2022-5-6

Source of the article | Hengyuan cloud community (a shared computing platform focusing on AI industry:Hengyuan zhixiangyun) Original address|Image smoothing Original author | inster Learning objectives Understand the types of noise in the imageUnderstand the content of average filtering, Gaussian filtering, median filtering, etcBe able to process images using filters 1 image noise Because the […]

• ## [animation notes] rolling Division — find the maximum common divisor and the minimum common multiple

Time：2022-5-6

Recently, I touched up the C language and tried to write a calculation tool in combination with the recently learned operations research. On the way, I met a demand: score reduction. How to get the score in one step? The answer is to find the denominator and numeratorgreatest common divisor。 So how to calculate the […]

• ## Python support vector regression SVR fitting, prediction of regression data and visual accuracy check examples

Time：2022-5-5

Original link:http://tecdat.cn/?p=24875  Support vector regression (SVR) is a kind of regression algorithm, which uses the similar technology of support vector machine (SVM) for regression analysis. As we know, regression data contain continuous real numbers. In order to fit this type of data, SVR model uses a method called ε Epsilon tube, ε Represents the width […]

• ## C + + basic-5-operator overloading (plus sign, shift left, increment, assignment, relationship, function call)

Time：2022-5-5

5. Operator overloading   5.1. Overloading of plus operator 1 #include 2 using namespace std; 3 4 // overload of plus operator 5 6 class Person { 7 public: 8 //1. Member function overload “+” 9 Person operator+(Person& p) { 10 Person temp; 11 temp.m_A = this->m_A + p.m_A; 12 temp.m_B = this->m_B + p.m_B; […]

• ## [model reasoning] quantization implementation share 3: explain the implementation of aciq symmetric quantization algorithm in detail

Time：2022-5-4

Welcome to follow my official account [Jizhi horizon] and reply to 001 to obtain Google programming specification   O_o   >_<   o_O   O_o   ~_~   o_O Hello, I’m Jizhi horizon. This paper analyzes the implementation of aciq symmetric quantization algorithm, taking Tengine’s implementation as an example. This is the third part of […]

• ## C + + foundation-6-inheritance

Time：2022-5-4

6. Succession 1 #include 2 using namespace std; 3 4 5 class Base { 6 public: 7 Base() { 8 m_A = 10; 9 } 10 int m_A; 11 12 }; 13 14 class Son: public Base { 15 public: 16 Son() { 17 m_A = 20; 18 } 19 int m_A; 20 }; 21 […]

• ## R language network community detection (community discovery) analyzes women’s participation in social activities and community node coloring visualization

Time：2022-5-3

Original link:http://tecdat.cn/?p=24886  When we carry out community detection on the Internet, sometimes we not only have the connection between entities. These entities represent real things that we may also want to represent in network visualization. plot(g) I used the data set to represent the observed participation of 18 women in 14 social events. Regardless of […]

• ## From the design of LSDB rocktree algorithm

Time：2022-5-2

Original is not easy, please indicate the source of reprint preface At present, the author is building an internal message platform based on pulsar, and naturally has done some research on its underlying storage. Pulsar uses bookkeeper as the storage layer, and the underlying layer of bookkeeper uses rocksdb to save the location index corresponding […]

• ## dichotomy

Time：2022-5-2

Dichotomy Dichotomy as the name suggestsIn fact, I keep dividing things into two partsDichotomy has existed since ancient times The hammer of one foot is half taken by the day, and it will never be exhausted for all ages Dichotomy also has applications in mathematics, such as the existence theorem of zeros \(let y = […]

• ## Practice of qcon ocpx multi-objective and multi scene joint modeling in oppo

Time：2022-5-1

1 background Since Facebook launched ocpx in 2012, the development of ocpx products and capabilities in the industry has been very mature. The commercial algorithm of oppo digital intelligence engineering system algorithm platform Department has also accumulated some practical experience in ocpx capacity construction. 2. What is ocpx From the definition of a delivery platform, […]

• ## Best cattle fence and search section

Time：2022-5-1

Because the two questions are similar, they are combined into one question solution ———– inscription Best cattle fence Idea: Dichotomous answerThe answer is the average How to check whether the answer meets the meaning of the question,Judge whether an interval satisfying the meaning of the question is > = this average valueGenerally, you can subtract […]

• ## Force deduction leetcode algorithm foundation 21 day question brushing record ①

Time：2022-4-30

Force buckle [leetcode]Basic algorithm 21 days brush questionsRecord one Vegetable chicken algorithm swipe questions and punch in!! ⭐ Binary search 34. Find the first and last position of an element in a sorted array Given an integer array nums arranged in ascending order and a target value target. Find the start and end positions of […]