Article Introduction：In php, GD library is used for verification code, and phpgd library is used for verification code. Use GD library to do verification code in php, phpgd library verification code php require_once 'string.func.php';//Use GD library to do verification code/** *Add verification text* @param int $type * @param int $length */function

2016-07-12 comment 0  813

Article Introduction：Method of image edge detection and stroke using PHP and OpenCV libraries Introduction: In the field of computer vision and image processing, image edge detection is an important technology for identifying edges and contours in images, while image stroke is Add edge lines to your image to make it more eye-catching and prominent. This article will introduce how to use PHP and OpenCV libraries to implement image edge detection and strokes, and provide corresponding code examples. 1. Preparation work: Use PHP and OpenCV libraries for image edge detection and stroke.

2023-07-17 comment 0  1334

Article Introduction：Example of php verification code (GD library generates verification code)

2016-07-25 comment 0  1130

Article Introduction：:This article mainly introduces the PHP class library for detecting mobile devices (mobile phones). Students who are interested in PHP tutorials can refer to it.

2016-08-08 comment 0  1050

Article Introduction：How to implement corner detection using PHP and OpenCV library? OpenCV is an open source computer vision library that provides a wealth of image processing and computer vision algorithms. In PHP, we can use OpenCV to implement corner detection through PHP's extension library. This article will introduce how to use the OpenCV library for corner detection in PHP and illustrate it with code examples. 1. Install and configure the OpenCV extension library. Download the OpenCV library. First, we need to download the latest version of the OpenCV library.

2023-07-18 comment 0  1461

Article Introduction：We'll cover some ways to detect mobile devices in PHP. Detect mobile devices using mobiledetect class in php We can use lightweight PHP class called MobileDetect to detect mobile devices in PHP. It can also detect tablet devices. This library uses certain Http headers and user agent strings to detect mobile devices. We can download the library using Composer using the following command. composerrequiremobiledetect/mobiledetectlib This library provides various methods, such as isMobile(), isTablet(), isiOS(), to detect various mobile environments. we can create

2024-02-28 comment 0  471

Article Introduction：Method of image edge detection and repair using PHP and OpenCV libraries Introduction: With the development of digital image processing technology, image edge detection and repair play an important role in the fields of computer vision and image processing. This article will introduce how to use PHP and OpenCV libraries for image edge detection and repair, and provide corresponding code examples. 1. Image edge detection Image edge detection refers to the process of extracting edges from images through algorithms. Edges can be regarded as areas with large changes in image brightness and are often used in object detection, image

2023-07-17 comment 0  1826

Article Introduction：Example of generating verification code by php GD library

2016-07-25 comment 0  843

Article Introduction：PHP and OpenCV libraries: How to do text detection and recognition? Introduction: Today, text detection and recognition play an important role in the fields of computer vision and artificial intelligence. As a popular programming language, PHP can be combined with the OpenCV library to provide us with powerful text detection and recognition functions. This article will introduce how to use PHP and OpenCV libraries for text detection and recognition, and provide relevant code examples. 1. Preparation to install PHP: First, make sure PHP is installed on your computer

2023-07-18 comment 0  1806

Article Introduction：PHP and OpenCV libraries: How to do image boundary detection? Introduction: OpenCV is a powerful open source library for the field of computer vision. It provides rich image processing and analysis functions. This article will introduce how to perform image boundary detection through PHP and OpenCV libraries, with corresponding code examples for readers to better understand. 1. Installation and configuration of OpenCV Download the OpenCV library: Download it from the official OpenCV website (https://opencv.org/) for PH

2023-07-17 comment 0  1457

Article Introduction：How to implement text area detection using PHP and OpenCV library? OpenCV is an open source computer vision library that can be used for image processing and machine vision applications. In this article, we will introduce how to use PHP and OpenCV libraries to implement text area detection. To use PHP for image processing, we need to install the OpenCV extension for PHP. It can be installed by running the following command: sudoapt-getinstallphp7.4-devgitc

2023-07-17 comment 0  1195

Article Introduction：PHP Email Address Validation Libraries UncoveredEmail address validation plays a crucial role in data validation, but creating a...

2024-11-18 comment 0  511

Article Introduction：使用PHP库查找Mongo文档中的ID

2016-06-23 comment 0  1114

Article Introduction：PHP and OpenCV libraries: How to detect edges in images? Introduction: Image processing is an important field of computer science that covers many different applications, including image enhancement, object recognition, and edge detection. In this article, we will focus on how to detect edges in images using PHP and the OpenCV library. Introduction: Edge detection is a common task in image processing, which is mainly used to identify the contours and edges of objects in images. An edge is a place in an image where there is a noticeable change in color or brightness, such as between an object and the background.

2023-07-19 comment 0  958

Article Introduction：How to implement facial feature point detection using PHP and OpenCV libraries? Facial feature point detection is a very important task in the field of computer vision. It can be used in many applications, such as face recognition, expression recognition, etc. In this article, we will introduce how to use PHP language and OpenCV library to implement facial feature point detection, and attach code examples. First, we need to prepare the following environment: Install the PHP environment. It is recommended to use PHP7 version or above. Download, compile and install the OpenCV library through the official website (https

2023-07-17 comment 0  1521

Article Introduction：How to call the camera for object detection through PHP Cameras have become very common in modern life. We can use cameras to perform various operations, one of which is object detection. This article will introduce how to use PHP language to call the camera and perform object detection. Before we begin, we need to make sure that PHP is installed and the camera is available. Following are the steps to use PHP for object detection: Install relevant libraries To use PHP for object detection, we first need to install some necessary libraries. Here we will make

2023-07-30 comment 0  1301

Article Introduction：How PHP detects the user's language, PHP detects the user. PHP method of detecting user language, php detecting user This article describes the method of PHP detecting user language. Share it with everyone for your reference. The details are as follows: function getPreferredLanguag

2016-07-13 comment 0  868

Article Introduction：Implementing edge detection of images using PHP and Imagick Introduction: Edge detection is an important technology in the field of digital image processing. By detecting edges in an image, we can extract features such as contours and shapes in the image. This article will introduce how to use PHP and Imagick library to implement edge detection of images. First we will briefly introduce the Imagick library, then explain the implementation process of edge detection in detail, and finally provide a complete code example. Introduction to Imagick: Imagick is a functional

2023-07-28 comment 0  1503

Article Introduction：PHP password strength detection code

2016-07-25 comment 0  2221

Article Introduction：Code example for php user login detection

2016-07-25 comment 0  1150