1. object tracking The above uses opencv to track facial key points and colors The result of tracking is the region of the target in the image, ROI region of interest. Posted in ROS topic /roi If the camera is mounted on a mobile site We can use the x_offset horizontal coordinate offset of the […]
Tag: bin
How to use Synology NAS’s Audio Station combined with intranet penetration to achieve remote access to the local music library
Article directory The problem this tutorial solves is: After following this tutorial method, the effect achieved is: The environment used for this tutorial: 1 Install audiostation package on Synology system 2 Download the mobile app 3 Intranet penetration, mapping to public network Many old people want to listen to their favorite songs or cross talk […]
[Algorithm Challenge] Serialization and Deserialization of Binary Trees (including parsing and source code)
297. Serialization and deserialization of binary trees https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree/ Same topic: Sword Points Offer 37. Serialized Binary Tree 297. Serialization and deserialization of binary trees Question description Method 1: Level traversal Ideas Complexity analysis code Method 2: Preorder traversal Ideas Complexity analysis code Title description Serialization is the operation of converting a data structure or object […]
C++ binary algorithm: random numbers in blacklist
Involving knowledge points binary search Title Given an integer n and a non-duplicate blacklist integer array blacklist . Design an algorithm to select an integer that is not included in the blacklist from any integer in the range [0, n – 1]. Any integer in the above range that is not in the blacklist should […]
Label Studio combines YOLO model to realize automatic labeling of data sets
Recently I have been trying to do model training work related to image target detection, but if you want to achieve the training of a model, the data set is crucial, and the production of the target detection data set is more complicated than image classification, so a simple and easy-to-use data set is needed. […]
An in-depth explanation of data binding validation in WPF
In-depth explanation of data binding verification in WPF WPF provides a verification function when the user inputs. Usually verification is implemented in the following two ways: Throws an error in the data object. Usually an exception is thrown during property setting, or the INotifyDataErrorInfo or IDataErrorInfo interface is implemented in the data class. Define validation […]
Harbin Institute of Technology Information Content Security Experiment 3–String Matching
1. Experimental purpose Be familiar with the AC or WM multi-pattern matching algorithm, implement the AC or WM string matching algorithm in a familiar high-level language, and evaluate the space and time complexity 2. Experimental requirements PS. I only did what I had to do and chose the AC [Must Do] 1: Implement the multi-pattern […]
The principle of two-way binding in vue, compared with angular
Table of Contents Preface Vue two-way binding usage code Vue’s two-way binding principle Angular two-way binding usage code Angular’s two-way binding principle understand Efficiency: Although the two-way binding principles of Vue and Angular are different, they are both committed to providing efficient data update mechanisms. However, since Vue uses data hijacking, its efficiency is usually […]
Revealing the MVVM architecture under the Vue framework: the technical details behind two-way data binding
Jiangcheng Cheerful Pea: Personal homepage Personal column :《VUE》《javaScript》 Personal website : “Jiangcheng Cheerful Pea” The ideal of life is for an ideal life! Table of Contents ? Column introduction 1. What is two-way binding? 2. What is the principle of two-way binding? Understanding ViewModel 3. Implement two-way binding accomplish CompileCompile dependency collection ?Write at the […]
[c++] Simulation implementation of searching binary tree
Simulation implementation of searching binary tree K model complete code #pragma once namespace hqj1 { template<class K> struct SBTreeNode { public: //Here directly use anonymous objects as default parameters SBTreeNode(const K & amp; key = K()) :_key(key) , _cleft(nullptr) , _cright(nullptr) {} public: K_key; SBTreeNode* _cleft; SBTreeNode* _cright; }; template<class K> class SBTree { typedef […]