flutter_ocr_sdk and flutter_barcode_sdk are two Flutter plugins built on top of the Dynamsoft Capture Vision SDK. They provide easy-to-use, cross-platform APIs for adding MRZ recognition and barcode scanning capabilities to Flutter apps. In this article, you’ll learn how to create a Flutter app that integrates both plugins to scan machine-readable...

GS1 is a global organization that develops and maintains supply chain standards, including barcode formats. Its system is widely adopted across industries to identify products, logistics units, locations, and more. A key part of this system is the GS1 Application Identifier (AI) — a standardized prefix that specifies the type...

FastAPI is a modern, async-ready Python web framework for building APIs. It wraps low-level ASGI (Asynchronous Server Gateway Interface) interfaces and is built on top of Starlette and Pydantic. The combination of FastAPI and Uvicorn is ideal for creating high-performance web applications. In this article, you’ll learn how to build...

Dynamsoft Barcode Scanner API is open source and free to customize. It currently provides two modes: Single and Multiple. In Single mode, the barcode scanner freezes the camera preview and waits for the user to select a barcode if multiple barcodes are detected. In Multiple mode, the scanner instantly returns...

.NET MAUI is designed for cross-platform development, but achieving seamless compatibility across all platforms isn’t always straightforward. While developers might assume cross-platform apps are easy to build with .NET MAUI, many existing libraries were initially tailored for Xamarin and remain limited to Android and iOS. Creating a unified .NET MAUI...

In this article, we will explore Dynamsoft’s Ready-to-Use Barcode Scanner API for iOS. We will cover how to integrate the barcode scanner framework, distributed via the Swift Package Manager, into an iOS SwiftUI project, as well as how to customize its functionalities by modifying the source code. This article is...

Dynamsoft provides two NuGet packages for .NET MAUI development: Dynamsoft.BarcodeReaderBundle.Maui and Dynamsoft.DotNet.BarcodeReader.Bundle. The former targets Android and iOS, while the latter is built for Windows. In this article, we will demonstrate how to use Windows Media API to capture video frames from a USB camera and integrate Dynamsoft Barcode Reader...

Dynamsoft has released a Ready-to-Use Barcode Scanner API for Android developers, enabling them to quickly integrate barcode scanning functionality into their apps. This component is open-source and free to customize. In this tutorial, we will walk you through the barcode scanner API and demonstrate how to integrate it into Android...

When discussing cross-platform development with Flutter, many developers immediately think of mobile app development. As a result, most Flutter plugins only support Android and iOS. However, Flutter is capable of much more than just mobile development—it also supports desktop and web platforms. Imagine building a cross-platform barcode scanner app from...

While Flutter supports six plaforms — Windows, Linux, macOS, Android, iOS and web — the official Flutter camera plugin is limited to just three: Android, iOS, and web. The development pace for the official plugin has been sluggish, with no clear roadmap for desktop support. As a result, creating a...

Dynamsoft currently provides only a C++ Barcode SDK for macOS. Previously, we built a macOS barcode scanner by combining Swift, Objective-C and C++. Since modern macOS app development primarily relies on Swift, creating a macOS framework that wraps the C++ Barcode SDK with Objective-C++ can streamline the process of calling...

In the previous article, we demonstrated how to build a Python camera SDK based on the litecam C++ SDK. In this article, we will integrate the C++ camera library into a Node.js addon, enabling developers to capture webcam frames and perform further image processing using server-side JavaScript. This article is...

Now that the lightweight C++ camera SDK is complete for Windows, Linux and macOS, we can integrate it into other high-level programming languages. In this article, we will explore how to build a Python camera SDK based on the C++ camera library and use it for multi-barcode scanning with the...

This is the final article in a series on building a lightweight C++ camera library across multiple platforms. We’ve already covered Windows and Linux, and now it’s time to dive into macOS. In this article, we’ll tap into AVFoundation to handle camera capture under the hood and leverage Cocoa for...

In the previous article, we developed a LiteCam library for camera access on Linux. To extend its functionality to Windows, we will leverage the Media Foundation API. This article explores how to use Media Foundation to access the camera on Windows, integrate it with the LiteCam library, and reuse the...

When searching for a camera SDK to develop desktop camera applications on Linux, OpenCV often comes to mind due to its simple APIs for camera access. However, the size of the OpenCV library is big, making it redundant for smaller projects, especially those that only require basic camera functionality. To...

In today’s digital world, barcodes have become an integral part of many industries, including healthcare, logistics, retail, and more. A significant use case is in medical forms, where 1D and 2D barcodes, such as DataMatrix, are embedded within PDF documents. These barcodes contain crucial information such as patient identification, medical...

An identity document or ID card is any document that may be used to prove a person’s identity. There are various forms of identity documents: driver’s license, passport and formal identity card. Barcodes and MRZ (machine-readable zones) are often printed on an ID card so that its info can be...

In the previous tutorial, we explored how to build a SwiftUI barcode scanner app for macOS using the Dynamsoft Capture Vision C++ SDK. Since SwiftUI is a cross-platform framework supporting both macOS and iOS, and the Dynamsoft Capture Vision SDK provides a Swift Package Manager (SPM) for iOS, it is...

Developing a barcode scanner app for macOS comes with unique challenges, particularly due to the limited availability of barcode SDKs specifically designed for the platform. Fortunately, the Dynamsoft Capture Vision SDK provides a powerful and reliable solution, enabling developers to easily build barcode, MRZ, and document scanners using Python (powered...

While many barcode SDKs can decode barcodes from images, only a few excel at extracting 1D and 2D barcodes from multi-page PDF files. This is where the Dynamsoft Barcode Reader SDK stands out, offering robust capabilities to accurately scan and decode barcodes across multiple pages within PDFs. In this tutorial,...

Barcode Scanning has become an essential tool across various industries, from retail and logistics to healthcare. On desktop platforms, it enables the quick capture and processing of information without manual data entry, saving time and reducing errors. In this tutorial, we will continue exploring the capabilities of the Dynamsoft Capture...

Blazor is a powerful framework by Microsoft that enables developers to build interactive web applications using C# instead of JavaScript, bringing the full power of .NET to the browser. While Blazor allows you to write most of your web app in C#, calling existing JavaScript APIs remains an inevitable part...

According to the American Association of Motor Vehicle Administrators (AAMVA) specification, US driver’s licenses store personal information using the PDF417 barcode symbology. Google’s Mobile Vision APIs can recognize PDF417 barcodes and extract driver’s license data, while the combination of Dynamsoft Barcode Reader and Dynamsoft Code Parser achieves the same goal....

Among the Python barcode SDKs available, only a few support ARM32 and ARM64 architectures. The Dynamsoft Barcode Reader stands out as the premier commercial SDK offering robust 1D and 2D barcode recognition for ARM32 and ARM64 devices. This article guides you through creating ARM32 and ARM64 emulated environments on Windows,...

In the world of Python barcode scanning, developers have several options to choose from, including ZXing, ZBar, and the Dynamsoft Barcode Reader. Each of these libraries offers unique strengths, catering to different needs and environments. ZXing and ZBar are popular open-source options, known for their community-driven development and flexibility. On...

Barcodes are commonly used to identify retail products. We can also use them to mark documents. For example, we may need to scan a batch of forms. Each form contains several pages and there is a barcode on the first page denoting a unique form number. We can use the...

From 9.x to 10.x, the Dynamsoft JavaScript barcode SDK has undergone a complete redesign. The new version not only provides essential barcode scanning functionalities but also integrates seamlessly with other Dynamsoft products, such as Dynamsoft Label Recognizer, Dynamsoft Camera Enhancer, Dynamsoft Document Normalizer, and Dynamsoft Code Parser. All Dynamsoft products...

Recently, Dynamsoft released a new .NET MAUI Barcode SDK for building barcode scanning applications on Android and iOS. In this tutorial, we will use Visual Studio Code to create a .NET MAUI Barcode Scanner from scratch. Our application will decode barcodes and QR codes from both image files and camera...

OpenCV is a powerful library capable of handling a wide range of computer vision tasks. However, its comprehensive functionality can result in a large library size, which may be excessive for applications that only require cross-platform camera streaming. In this article, we will demonstrate how to slim down OpenCV to...

WebP images enhance web performance, but decoding barcodes embedded in them can be a challenge since Dynamsoft Barcode Reader doesn’t support WebP directly. If you have a QR code in WebP format, how can you recognize it with Dynamsoft Barcode Reader? This article shows how to use libwebp with Dynamsoft...

Rust’s popularity is increasing rapidly. This article aims to integrate Rust with the Dynamsoft C++ Barcode Reader SDK. We will walk through the process of building a command-line barcode reader for Windows and Linux. This article is Part 14 in a 16-Part Series. Part 1 - Building a C/C++ Barcode...

In this article, we continue our series on parcel scanning technologies by delving into the world of C++. Building on our previous JavaScript tutorial, we will explore how to implement barcode scanning and OCR text extraction using C++. This guide will cover setting up the development environment, integrating necessary libraries,...

In today’s fast-paced world, efficiently managing and tracking parcels is crucial for businesses. The use of 1D and 2D barcodes has revolutionized the way parcels are labeled, scanned, and processed. Additionally, Optical Character Recognition (OCR) technology has enabled the digitization of text on parcels, facilitating automated data extraction and processing....

In the previous article, we implemented a Flutter barcode and QR code scanner for Android using Kotlin and CameraX. Since the Dart code is platform-independent, no changes are necessary. In this article, we will take steps to implement the native camera and barcode scanning logic for iOS using Swift, AVFoundation,...

Barcode scanning is an essential tool for modern inventory management. It improves accuracy, efficiency, real-time tracking, and cost savings, making it an important part of any effective inventory management system. In this article, we will demonstrate how to build a scanner for multiple barcodes, QR codes, and DataMatrix codes with...

When considering the creation of a Flutter barcode scanner application, your first thought might be to search for an existing Flutter plugin. One option is to combine the camera plugin with a barcode scanning plugin, or to utilize a barcode scanning plugin that includes a camera preview feature. However, the...

Many open-source JavaScript libraries for reading barcodes and QR codes exist, yet few are suited for enterprise use due to a lack of long-term updates and maintenance roadmaps. Additionally, the performance of pure JavaScript often falls short. For those prioritizing performance, WebAssembly serves as a superior alternative to pure JavaScript...

An identity document or ID card is any document that may be used to prove a person’s identity. There are various forms of identity documents: driver’s license, passport and formal identity card. Barcodes and MRZ (machine-readable zones) are often printed on an ID card so that its info can be...

If you want to use the PHP Laravel framework to build a web-based barcode and QR code reader, you can implement the barcode detection logic on either the client side or the server side. Dynamsoft offers a variety of SDKs for different platforms, including desktop, mobile, and web. In this...

When using PHP, you may sometimes need to integrate a few C++ libraries. This article guides you through the process of building a PHP Barcode and QR Code reading extension using the Dynamsoft C++ Barcode SDK on both Windows and Linux. This article is Part 1 in a 2-Part Series....

An identity document or ID card is any document that may be used to prove a person’s identity. There are various forms of identity documents: driver’s license, passport and formal identity card. Barcodes and MRZ (machine-readable zones) are often printed on an ID card so that its info can be...

In a previous article, we developed a barcode and QR code scanner for Windows and Android using Qt6. In this follow-up, we’ll extend the project to include support for iOS devices. To achieve this, we’ll integrate the Dynamsoft iOS Barcode Reader SDK. To facilitate seamless communication between the SDK and...

Qt is renowned for its cross-platform capabilities, enabling developers to craft applications for Windows, macOS, Linux, iOS, and Android. In this article, we will construct a QR code scanner for Windows and Android utilizing Qt6. The sample code will be presented in C++ and QML, employing the Dynamsoft Barcode Reader...

Go’s native support for concurrency is one of its standout features, making it an excellent choice for building web servers capable of handling multiple requests simultaneously and efficiently. In this article, we’ll guide you through the creation of a web application designed to decode multiple barcode images uploaded by users....

In the previous article, we talked about what is QR code, its modes for encoding the data, and how to generate QR codes in Python. In this article, we are going to build an online QR code generator to make it convenient to generate QR codes in the browser. We...

A QR code (quick-response code) is a type of two-dimensional matrix barcode. It uses four standardized modes of encoding: numeric, alphanumeric, byte or binary, and kanji. Its highest storage capacity can be 2,953 bytes. Here is a table about different modes: Input mode Mode indicator Max. characters Possible characters, default...

In previous articles, we developed a Go barcode reader module integrating the Dynamsoft Barcode Reader C/C++ SDK for Windows and Linux. In this article, we will extend the module to support macOS. This article is Part 3 in a 4-Part Series. Part 1 - Building a Go Module with C...

Starting with version 10, the Dynamsoft Barcode Reader SDK has been entirely rewritten in C++, providing exclusively C++ APIs. This marks a significant departure from version 9.x, which offered both C and C++ APIs, rendering our Go module designed for version 9.x incompatible with version 10. The incompatibility arises because...

In the world of software development, integrating powerful third-party libraries into new or existing projects can significantly enhance functionality and efficiency. For Go developers needing robust barcode scanning capabilities, incorporating the Dynamsoft Barcode SDK into a Go module offers a seamless way to leverage advanced barcode reading technology. This article...

In the fast-paced realm of web development, seamlessly integrating varied functionalities into web applications has become increasingly essential. Technologies such as barcode detection, Machine Readable Zones (MRZ) recognition, and document rectification are pivotal tools adopted in various domains, including retail, travel, and document management. In this article, we’ll explore how...

A Domain-Specific Language (DSL) is a computer language that’s targeted to a particular kind of problem. Examples of DSLs are CSS, SQL, make, etc. An important and useful distinction Martin Fowler makes is between internal and external DSLs. Internal DSLs are particular ways of using a host language to give...

Gemini is Google’s latest AI model, which can be used for free with a limit of 60 queries per minute, and is capable of recognizing text from images. Generally, 1D barcodes are accompanied by human-readable text, which can be used to verify the accuracy of barcode recognition results. In this...

In our previous article, we explained how to develop API endpoints for reading barcodes, recognizing MRZ, and rectifying document images in Node.js. In this article, we will integrate these REST API endpoints with the low-code platform Power Apps. This article is Part 2 in a 2-Part Series. Part 1 -...

Two months ago, we published a repository demonstrating how to build a RESTful service with .NET and Dynamsoft Vision SDKs. In this tutorial, the server-side programming language is changed to Node.js. We will go through the steps of creating REST endpoints for scanning documents, decoding barcodes, detecting MRZ, and rectifying...

OpenCV is an open-source computer vision and machine learning software library and has a basic barcode reading ability. It has a QR Code detector added in 2018 and a barcode detector added in 2021 which supports detecting and decoding of EAN-13, EAN-8, and UPC-A barcodes. It has a JavaScript version...

An AR-integrated pharmaceutical lookup application is a specialized software tool that combines Augmented Reality (AR) technology with a pharmaceutical information database. This integration provides an interactive and enhanced method for accessing drug-related data. Users can scan pharmacy barcodes using their mobile devices to retrieve information about the medication, such as...

Dynamsoft’s official C++ Barcode SDK provides only command line samples in C++, which are not user-friendly for selecting image files and displaying results. The Win32 API (Windows API) is a core set of application programming interfaces primarily used for developing Windows GUI applications in C and C++. This article will...

RESTful service can be accessed from anywhere with an internet connection, irrespective of platform or device. Deploying a commercial SDK as a RESTful service can simplify integration, improve accessibility, and provide better control over the deployment environment and usage. In this article, we’ll delve into how you can effortlessly integrate...

WebRTC (Web Real-Time Communication) is a technology that enables Web applications and sites to capture and optionally stream audio and/or video media, as well as to exchange arbitrary data between browsers. We can use it to open local cameras and stream remote cameras in the browser. In this article, we...

The term “augmented reality (AR)” generally refers to the integration of digital information with the user’s environment in real time. AR can make user interfaces more immersive and intuitive, overlaying real-time information onto the real world to make tasks more efficient and less error-prone. For example, in warehouse management, AR...

The Raspberry Pi 4, with its enhanced performance and connectivity features, offers a myriad of possibilities for DIY enthusiasts and developers. One such application is turning this compact computer into a fully functional barcode scanner. In this article, we’ll guide you through the process of setting up a barcode scanner...

Raspberry Pi is a versatile tool, especially in industrial settings. Imagine transforming it into a barcode scanner using just a camera. This guide is tailored for developers eager to craft Node.js barcode reader apps for IoT gadgets. Dive in to explore the power of Dynamsoft’s barcode SDK for ARM, and...

Recently, Dynamsoft rolled out C++ Barcode SDK v10.0. This version has been entirely re-written in C++, providing an entirely new suite of APIs for barcode reading. However, if you’re using MinGW(Minimalist GNU for Windows) to code with this SDK, such as integrating it into a Qt project, you may encounter...

Dynamsoft’s Capture Vision SDKs consist of the Dynamsoft Document Normalizer, Dynamsoft Barcode Reader, and Dynamsoft Label Recognizer. All of these SDKs are cross-platform, supporting Windows, Linux, Android, iOS and web. Each vision SDK can be used independently or in combination with others. In this article, we’ll show you how to...

Barcode scanner apps can be used across a variety of industries, including retail, manufacturing, logistics, and healthcare. They are used to track inventory, manage assets, and improve the efficiency of business operations. In this article, we will walk through the steps of building a multiple barcode and QR code scanner...

As .NET MAUI continues to gain traction, numerous .NET developers are exploring ways to transition their existing desktop and mobile applications to this new framework. Previously, I developed a .NET MAUI application capable of scanning barcodes and QR codes from camera frames across Windows, Android, and iOS platforms. For reuse,...

Microsoft Power Automate is a powerful service designed to automate workflows between various apps and services. Its Desktop version provides the added capability of automating desktop-centric operations, with or without user interface interactions. In this article, we will explore how to integrate Dynamsoft Barcode Reader, Dynamsoft Document Normalizer, and Dynamsoft...

Python is a programming language commonly used for scripting, data science, web development, etc. In this article, we are going to talk about how to set up a simple barcode reading server in Python with the Flask web framework. This article is Part 1 in a 3-Part Series. Part 1...

Last week, we demonstrated how to create a Windows .NET MAUI app that can access the USB camera using Blazor web view. Although this solution provides a way to access the camera, for a Windows desktop application that requires optimal performance, it is recommended to prioritize native camera APIs over...

.NET Multi-platform App UI (MAUI) is a cross-platform UI framework for building native and modern applications in C#. It allows developers to create a single codebase for multiple platforms. Blazor is a web UI framework for building interactive client-side web applications with .NET. It allows developers to write C# code...

In my previous article, I demonstrated how to package C++ libraries into a NuGet package. This week, I’ll be expanding the package to include Android and iOS binding libraries, enabling multi-platform development across Windows, Linux, macOS, Android and iOS. The advantage of an all-in-one NuGet package is that you can...

Patch Code is a barcode developed by Kodak for use in automated scanning. It is mainly used to classify or organize documents. Several documents may need to be scanned and we have to save them into different PDF files. Instead of running several separate jobs (loading the scanner with each...

A NuGet package is a single ZIP file that can be easily distributed and installed in Visual Studio projects. It typically includes compiled code (such as DLLs), as well as other resources, metadata, and configuration files. While NuGet packages are commonly used for .NET projects, they can also be used...

The official Flutter camera plugin is a useful tool for building camera scanning applications on Android, iOS, and web platforms. However, those who want to use it for Windows may be disappointed. Fortunately, there is a camera_windows plugin currently under development, located in the same repository as the Android, iOS,...

Barcode scanning technology is crucial for many enterprises, such as those in the supermarket, logistics, and warehousing industries. The data obtained from scanning barcodes is used to track inventory, manage orders, and process payments. Handheld barcode scanners are widely used as peripheral devices in these industries. However, traditional handheld laser...

Flutter enables developers to create applications for desktop, mobile, and web from a single codebase. However, not all plugins are universally compatible with every platform. In this article, you will learn how to choose appropriate plugins to build a web-based barcode, QR code, and PDF417 scanner in Flutter. Although the...

Node-RED is a powerful flow-based programming tool built on Node.js that allows users to create applications by visually wiring together different nodes in a browser-based editor. In this article, you’ll learn how to create a custom barcode and QR code detection node using the Dynamsoft Barcode Reader, enhancing your Node-RED...

If you are looking for the specification of South African driving license, you may be disappointed. There is no official reference except for the Stack Overflow Q&A, an incomplete document - ZA Drivers License format and an C# open source project. The Stack Overflow Q&A provides the RSA public key...

Raspberry Pi is an affordable single-board computer often chosen by developers for cost-effective IoT solutions, such as barcode and QR code scanning. It’s important to note that the CPU clock speed influences the decoding speed and accuracy. Dynamsoft Barcode Reader SDK, compatible with Raspberry Pi, excels in decoding multiple and...

Previously, we created a Xamarin.Forms Barcode QR code scanner for Android and iOS. Xamarin.Forms is not the end for developing cross-platform mobile apps in C#, because .NET MAUI is on the way. Microsoft mentions that .NET MAUI is the evolution of Xamarin.Forms, and it supports both mobile and desktop development....

If you try to port Xamarin mobile projects to .NET MAUI, you will find there is no problem with packages built for Xamarin Android, but packages built for Xamarin iOS are incompatible. To tackle this issue, you need to change target framework to .NET 6 and rebuild related packages. Dynamsoft...

Xamarin.Forms lets .NET developers create cross-platform mobile apps for Android and iOS in C#. This article demonstrates how to scan barcode and QR code from image file and live video stream using Xamarin.Forms Custom Renderers and Dynamsoft Barcode Reader SDK. In the end of this article, we will also demonstrate...

Progressive web apps (PWA), simply to say, are web apps that running like native apps on the desktop and mobile platforms. The advantages of PWA include installable, discoverable, linkable and so on. In this article, I’m trying to give a snapshot of a simple PWA barcode reader project built with...

If you’re looking to build and test barcode and QR code scanner applications for embedded and IoT devices such as Raspberry Pi, Arduino, Jetson Nano, and others, having a physical device is not essential for development. This article demonstrates how to use the Dynamsoft Barcode SDK to create barcode and...

Implementing a Python extension in C or C++ is easy, but building the native module into a Python wheel package for different operating systems and different Python versions is a nightmare. A CPython wheel package is Python-version-dependent, therefore, to make a CPython module work universally for Python 3.x, you have...

Dynamsoft Barcode Reader, as an enterprise-class barcode and QR code SDK, supports many platforms (Windows, Linux, macOS, Android, iOS, Raspberry Pi OS, and Web) and programming languages (Python, Java, Swift, C#, Cpp, and JavaScript). There are many sample projects distributed in Dynamsoft GitHub repositories and official website. To help developers...

The Web Platform Incubator Community Group has published a Shape Detection API specification. The API aims at detecting features like faces and QR codes from images. It is still in draft status and has limited browser support. In this article, we are going to use the Barcode Detection API included...

A few weeks ago, I released a .NET 6 BarcodeQRCodeSDK package implemented with Dynamsoft C/C++ Barcode SDK. This article demonstrates how to build a Windows desktop barcode and QR code scanner using .NET WinForms, OpenCvSharp, and BarcodeQRCodeSDK. This article is Part 4 in a 4-Part Series. Part 1 - How...

.NET MAUI is a cross-platform framework that allows developers to create desktop and mobile applications from a single codebase with C#. It is currently in preview and the production release is slated for Q2 2022. This article goes through the steps to build a .NET MAUI barcode and QR code...

Dynamsoft is the only provider of an enterprise-class Python Barcode and QR Code SDK for Windows, Linux, macOS, and Raspberry Pi OS. The SDK allows developers to quickly build robust command-line, web, and desktop applications that can scan barcodes and QR codes from a wide range of sources. In this...

If you need a JavaScript barcode and QR code scanner SDK, the Dynamsoft JavaScript Barcode SDK is no doubt the best. It allows developers to quickly build web barcode and QR code scanner applications with just a few lines of code. This article provides an in-depth look at the Dynamsoft...

While scanning barcodes and QR codes from a camera stream, it is necessary to first convert color images encoded in RGB or YUV to grayscale images, and then convert these grayscale images to binary images before decoding. Operating on image pixels consumes considerable CPU time. To speed up image processing,...

On mobile platforms, HTML5 is not only supported by web browsers, such as Chrome, Edge, Safari, Firefox, and Opera, but also web view UI component that used for building native apps. Therefore, even though you are only familiar with web development, you can easily create excellent mobile apps for Android...

Microsoft is pushing .NET technologies to the next level. It is no doubt that .NET framework will be retired in the near future. This article aims to help C# developers to create Windows desktop barcode and QR code reader application using Dynamsoft Barcode Reader SDK. We will firstly create a...

Microsoft .NET 6 SDK empowers C# developers to build cross-platform DotNet applications for Windows, Linux, and macOS from one codebase. This article describes the steps to build a .NET 6 barcode and QR code decoding library based on Dynamsoft C/C++ Barcode SDK, as well as how to pack the library...

In a previous article, we explored how to create a command-line barcode and QR code scanning application using Java and the Dynamsoft Barcode Reader. This article will delve into building more sophisticated applications, such as a desktop GUI application and a web application. Additionally, we will integrate the ZXing SDK...

There are many open-source and commercial barcode SDKs, but only a few can recognize multiple barcodes and QR codes simultaneously. When you search for “barcode SDK” or “Java barcode SDK” on Google, the Dynamsoft Barcode Reader SDK consistently appears in the top 5 search results. This article guides you through...

Dynamsoft Barcode Reader SDK supports development of barcode and QR code scanning applications for desktop, mobile and web platforms. The version 9.0 of the SDK is coming to all platforms in the following weeks. The C++ SDK is available for download today. As an enterprise-class C++ barcode and QR code...

Barcodes and QR codes are essential tools across various industries, including healthcare, finance, and education. In this article, we’ll explore how to leverage Dynamsoft’s powerful barcode recognition technologies to create an online barcode and QR code scanning application using Python Django. This article is Part 6 in a 11-Part Series....

Creating a virtual camera is useful to test camera-dependent applications. We can use static images or videos as the image source for the virtual camera to test things like barcode reading, text recognition, and document scanning. Adopting pyvirtualcam Creating a virtual camera involves complex driver development. Fortunately, there have already...

Jupyter notebook is a web-based interactive computing environment that enables you to create and share documents that contain live code, equations, visualizations and narrative text. If you have installed Anaconda, Jupyter notebook is installed by default. This article demonstrates how to write Python code to scan barcodes in Jupyter notebook....

A few months ago, I published a cross-platform desktop barcode reading application built with Qt, Python, and Dynamsoft Barcode Reader. The supported input sources include real-time camera streams, image files, and screenshots. In this article, I will demonstrate how to set a document scanner as the input source. The SDK...

The market offers numerous QR code tools and SDKs, but not all are created equal. For Android development, Google ML Kit is a popular and free option, providing reliable support for general QR code detection. However, it falls short when it comes to high-density QR code detection. On the other...

In everyday life, we often use our smartphones to scan QR codes. However, when working on a computer, using a smartphone isn’t always the most convenient option for scanning QR codes that appear on your screen. Photos taken from monitors can have Moiré patterns, which can interfere with QR code...

A few days ago, I published a blog post how to implement a desktop barcode reader application using Qt and C++. That application was limited to scanning barcodes from still images. In this article, I’ll take it a step further by adding webcam support, enabling real-time barcode scanning for a...

Updated in 2021: The Dynamsoft Barcode Reader now has a client-side JavaScript SDK which makes it possible to read barcodes from within the browser. Learn about the JavaScript SDK The Dynamsoft Barcode Reader now has mobile native SDKs supporting Android and iOS. The Dynamsoft Barcode Reader now has an official...

Dynamsoft Barcode Reader provides a robust C++ SDK for barcode detection across Windows, Linux, and macOS. In this tutorial, we will walk you through building a desktop barcode reader application with a graphical user interface (GUI) using Qt and C++. By combining the cross-platform capabilities of the Qt C++ SDK...

Dynamsoft Camera Enhancer (DCE) provides high-level APIs for developers to quickly create a camera application, such as a barcode scanner and a text scanner. The API surface works across most Android and iOS devices. While it leverages the capabilities of Android’s Camera2 and iOS’s AVCaptureSession, it is much easier to...

The Flutter barcode SDK series is coming to the end. This week, we switch the coding environment to macOS to finish the rest of the plugin platforms - iOS and macOS - using Swift. This article is Part 5 in a 5-Part Series. Part 1 - How to Implement Flutter Barcode Scanner for Android...

For the past several weeks, the Flutter plugin of Dynamsoft Barcode Reader has covered Windows, Android and Web. This week, we go through the plugin implementation for Linux. Similar to Windows, we combine Dart and C++ code for Linux. The unexpected thing is the C++ data types of Flutter defined...

This week, I made a new attempt, integrating Dynamsoft JavaScript Barcode SDK into the ongoing Flutter barcode plugin project. It is exciting to be capable of building web barcode reader apps with the same decodeFile() method used for mobile and desktop development. This article is Part 3 in a 5-Part...

Last week, I wrote a step-by-step tutorial sharing how to build a Flutter barcode SDK plugin with Dynamsoft Barcode Reader. The platform-specific code of Android is done. This week, I am going to focus on Windows desktop. Since the Flutter desktop plugin development is still on the early stage, there...

About two years ago, I wrote an article sharing how to build a Flutter barcode plugin with Dynamsoft Barcode Reader step by step. At that time, Flutter was still under development and only supported Android and iOS. Nowadays, Google has released Flutter 2, which allows developers to build apps for...

Dynamsoft offers Java Barcode SDKs for both mobile and desktop development. The mobile edition is available as an Android AAR package, while the desktop edition is provided as a JAR package. This article is designed to assist developers in building desktop or server-side barcode scanner applications using Java or Kotlin....

Three years ago, I created a CMake project, aiming to build a C/C++ project with Dynamsoft Barcode Reader on Windows, Linux, and macOS. Today, as the world’s top barcode SDK, Dynamsoft Barcode Reader has extended to more operating systems and CPU architectures: ARM32 Linux: Raspberry Pi ARM64 Linux: Jetson Nano...

Qt Designer is a powerful tool for creating cross-platform graphical user interfaces (GUIs) using Qt widgets. In this guide, we’ll use Qt Designer to develop an advanced GUI for a Python-based barcode and QR code reader, leveraging the Dynamsoft Python Barcode SDK. This application will be compatible with Windows, Linux,...

Someone may be curious about whether Intel-based Python apps can work well on Apple M1 Mac. I recently did a test with Dynamsoft Python Barcode SDK, which is built with native x86_64 libraries and CPython. It turned out that there was no issue using pip to install the wheel package...

While scanning single or multiple barcodes with a barcode SDK, most of the developers only concern about the trade-off between decoding speed and recognition accuracy, for they cannot get other data. Since from version 8.0, Dynamsoft exposes more parameters and intermediate results (E.g., grayscale image, binary image, barcode localization results,...

Apple announced new Mac models with Apple M1 chip recently. Although Dynamsoft has not released an Apple Silicon version of Dynamsoft Barcode Reader SDK yet, I am curious how will x86_64 barcode SDK perform under Rosetta 2. In this article, I will build a simple command-line QR Code reader app...

Electron, one of the most popular cross-platform desktop application frameworks, has been used in numerous famous apps. With web technology, developers could rapidly build a product for Windows, macOS, and Linux. In this article, we would use Electron to build a barcode decoding and scanning app with Dynamsoft Barcode Reader....

The barcode localization algorithm is an essential step for barcode recognition within an image. However, for static images, the bigger size images have, the much more time the algorithm takes. Plus, the success rate of the algorithm may be interfered by the background color and the foreground color. It is...

Since from version 7.6.x, Dynamsoft Barcode Reader started to support ARM64 (Previously, ARM32 only). It is good news for developers who aim to build barcode reader app on embedded computing boards like Raspberry Pi and Nvidia Jetson Nano. In this article, I will guide you through the process of building...

While using Salesforce, you can easily extend your management system’s functionalities by installing apps from Salesforce AppExchange, the Salesforce marketplace. But what if you want to build a Salesforce app yourself? In this article, I’ll guide you through creating a barcode reader app for Salesforce from scratch. Prerequisites Include the...

Many enterprises like to use Dynamsoft Barcode Reader SDK due to its flexible parameter configuration and powerful decoding capability for multiple barcodes. In this article, let’s take a glimpse of the barcode SDK template and the possible way to optimize the decoding performance from a developer’s angle. This article is...

A few weeks ago, I wrote an article sharing how to read driver’s license information from PDF417 on Android. Compared to building an Android native camera app, building a web camera app is much easier. In this article, let’s take a glimpse at a JavaScript sample, which is implemented with...

Start and stop characters are defined as part of linear barcode (1D barcode) standard. However, you may suffer from some nonstandard 1D barcode symbologies in which the start and stop characters are somehow changed. In this article, I will take Code39 as an example, demonstrating how to decode nonstandard 1D...

When you want to release a proprietary tool or SDK, which is not open source, to Linux platforms, it is a nightmare. You have to make multiple packages and do more tests to guarantee compatibility for different Linux distributions. Is it possible to only create one pre-built package? We can...

A DotCode is a 2D barcode symbology composed of disconnected dots, commonly used in the tobacco industry. Recently, Dynamsoft introduced a barcode reader SDK with DotCode support. In this post, I will demonstrate how to build a Java DotCode reader, featuring both a command-line application and a GUI application. This...

In Dynamsoft Barcode Reader SDK, there is a fancy webcam barcode sample called BarcodeReaderDemo that supports reading barcodes from disk files, TWAIN-compatible hardware scanners, and USB webcams. However, one thing you have to know is the functionality of acquiring images from peripheral devices relies on Dynamic .NET TWAIN, which is...

Dynamsoft recently added a new panorama module to barcode SDK, aiming to provide a brand-new solution for warehouse and inventory management. In this article, I will try my best to guide you through the usage of Dynamsoft Panorama version 1.0, though the first version is not stable and optimized yet....

When scanning barcodes, the recognition rate is affected by image quality. If a barcode image is severely damaged, the barcode algorithm may fail to work. Fortunately, most of the linear barcodes (1D barcodes) are printed with corresponding texts. OCR (optical character recognition) could be a complement to the barcode algorithm...

Dynamsoft Barcode Reader 7.0 brings a set of thread-based APIs for continuous frame management and corresponding barcode decoding. It extremely simplifies the programming complexity, especially for Python. It is known that Python’s GIL (Global Interpreter Lock) affects the performance in a multi-threaded scenario. Running computation intensive tasks in Python thread...

Previously, I shared an article on how to use the Camera2 APIs and Dynamsoft Barcode Reader to build an Android barcode scanner app capable of detecting fast-moving barcodes. In that project, the barcode decoding was implemented in Java, which left some room for performance improvements. By accessing the native buffer...

Webpack is a JavaScript module bundler. It is widely used in web frameworks, such as React and Angular. This tutorial shows how to implement a simple web barcode reading app with webpack and Dynamsoft JavaScript Barcode library. What You Should Know Setting Up a Basic Project with Webpack Create a...

Imagine you’re using barcode technology to scan parcels on a fast-moving logistics conveyor belt. A common challenge is recognizing barcodes from blurred images caused by motion. While advanced algorithms can mitigate this issue, enhancing image quality is a more effective first step. One straightforward solution is to adjust the camera’s...

Someone asked me how to create a real-time web barcode scanning app with a webcam. Is it hard to implement it? I’ve written an article sharing how to integrate Dynamsoft JavaScript Barcode Reader SDK into a React project. The remaining work is to make a webcam component. Since there is...

In my previous article, I shared how to use PyQt and Dynamsoft Barcode Reader to create a simple Windows-styled GUI app to read barcodes from image files. Now I am going to add a little bit more code to scan barcodes from the webcam video stream. Showing Webcam Video Stream using PyQt...

A few days ago, I accepted a new challenge of creating a simple command line barcode reader using Rust and Dynamsoft Barcode Reader SDK. Rust is a system programming language similar to C++. The learning process did not go through smoothly as I expected. It is not as easy as...

This article is not about creating Java native methods to invoke C/C++ APIs. Instead, it aims to help developers build a JAR package containing a JNI shared library, made with Dynamsoft Barcode Reader, for Windows, Linux, and macOS from scratch. In this article, I will demonstrate how to create JNI...

WebAssembly (Wasm) is a revolutionary technology for Web development. It aims to execute at native speed in web browsers. With WebAssembly, it is convenient to port C/C++ code for web client and server applications. Dynamsoft Barcode Reader 6.2 is the most potent barcode SDK ever, and its WebAssembly edition is on the...

If you have tried out Dynamsoft Barcode Reader 6.0, you may have noticed the new template feature. The new SDK version supports importing parameters from JSON-format template files. How to create the template files? One way is to visit the barcode online demo, select some arguments and then download the...

Last week I made a warm up for Kotlin, getting started to learn tutorials and reference. Now it is time to take the next step. Since Kotlin is hundred percent compatible with Java, we can use both programming languages without barriers in one project. In this article, I want to...

If you always stay tuned to Dynamsoft Barcode SDK, you should have noticed that starting with version 5.1, the SDK includes a JavaScript library which is similar to Dynamic Web TWAIN. The article aims to help developers get familiar with the relevant JavaScript Barcode APIs and build web barcode reader...

Learn how to effortlessly set up a C/C++ barcode and QR code reader for Raspberry Pi using the Dynamsoft Barcode Reader SDK. This guide is optimized for Raspberry Pi 4 but is compatible with both ARM32 and ARM64 Raspberry Pi OS. This article is Part 1 in a 16-Part Series....

Dynamsoft has deployed a REST web service for barcode detection. This post shares how to call the service by sending HTTP POST request using Golang. Barcode Detection in Golang Environment IDE: JetBrain Gogland. Go 1.7.4. Windows 10. Workspace structure: <GOPATH> - src - bin - pkg Settings: GOROOT=E:\Go GOPATH=g:\gowork Basic...

Previously, I wrote an article Raspberry Pi Barcode Scanner with Webcam and Python illustrating how to build a simple barcode scanner using Dynamsoft Barcode Reader SDK and OpenCV from scratch. The method decodeFile() was used for detecting barcodes from an image file. To use the API, you have to write...

When building a .NET application to read barcodes on Windows via camera, you need two types of SDKs - one for webcam, and the other for barcodes. In this post, I want to share how to use .Net webcam and barcode SDKs to create a simple WinForm barcode reader application...

Dynamsoft Barcode Reader C++ SDK is available for Windows, Linux, and Mac (iOS and Android editions are coming soon). I have shared an article that illustrates how to build webcam barcode reader in Python. In this tutorial, I’ll use a different C++ API to implement barcode scanner applications for Windows...

Previously, I shared an article How to Make Node Barcode Reader Addon on Linux, which illustrates how to create a node barcode addon by wrapping Dynamsoft Barcode Reader SDK on Linux. Since Node.js was born for developing network programs, let’s take a glimpse of how to create a Web barcode...

As cloud computing market continues to skyrocket, more and more IT companies tend to release cloud APIs for developers. Most cloud APIs are exposed via REST (Representational state transfer) Web service. In this post, I will illustrate how to create a barcode reader with Node REST Framework Restify and Dynamsoft...

ZXing is an open-source, 1D/2D barcode image processing library implemented in Java. The supported barcode formats include UPC-A, UPC-E, EAN-8, Code 93, Code 128, QR Code, Data Matrix, Aztec, PDF 417, etc. Besides the Java version, developers can leverage other ported projects such as QZXing, zxing-cpp, zxing_cpp.rb, python-zxing and ZXing...

If you have upgraded to the latest HTML5 version of DWT(Dynamic Web TWAIN), probably you have noticed that it only supports 1D barcode reading. Although the 2D barcode SDK has not been officially released yet, it is coming soon. Today, I’d like to demo how to build a Web application...

This article aims to share how to use the QR code plugin to implement a free online app with Google App Engine. How to Implement QR Code Generator Download jQuery QRCode plugin. Download JavaScript UTF-8. Create a project named qrcode, and create a file called qrcode.html. Include plugins: <script src="js/jquery.min.js"></script>...

Barcode scanning, especially QR code scans, are now widely used in various applications. This includes advertisements, newspapers, social networks, signage, and so on. The growth of QR codes is in large part due to the smartphone market’s booming growth. As a result, scanning technology tends to be more and more useful...