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,...

Python is renowned for its simplicity and ease of use, but when it comes to interacting with C-based shared libraries, Python’s high-level nature may present limitations. To overcome these limitations, developers often need to leverage C extensions or modules to access low-level functionalities. Dynamsoft’s Python Barcode SDK is an example...

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...

In today’s fast-paced digital world, the ability to quickly and accurately capture data is paramount. Barcode scanning has emerged as a reliable and efficient solution for automating data entry across various applications. This tutorial explores webcam barcode reading on Windows, demonstrating how to build a powerful barcode detection application using...

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 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...

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....

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 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...

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 previous article, we demonstrated how to incorporate iOS MRZ detection frameworks into the MrzScannerSDK NuGet package. Having mastered the integration of iOS frameworks for a standalone NuGet package, we now turn our attention to integrating iOS SDKs for barcode, MRZ, and document detection into the comprehensive .NET MAUI...

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...

Last week, we enhanced the .NET MAUI library Capture.Vision.Maui by adding document and MRZ (Machine-Readable Zone) detection capabilities for the Windows platform. We also enabled our .NET MAUI application to scan barcodes, documents, and MRZs in Windows. This week, we will further enhance the library by adding Android support. We...

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...

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...

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...

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,...

A last-mile delivery app is a software application used to manage, coordinate, and track the delivery of goods from a transportation hub to their final destination, which is usually a personal residence. This is often the most complex part of the entire delivery process because it involves navigating residential areas,...

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...

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...

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...

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...

Mobile document scanning apps bring convenience to users by allowing them to scan travel documents, ID cards, passports and other types of documents on the go. This article aims to help C# developers, who do not have the background in computer vision, to build a mobile document scanning app for...

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...

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....

In the previous article, we’ve created a React Native Vision Camera frame processor plugin for Dynamsoft Barcode Reader (DBR). Let’s continue to create the frame processor plugin for iOS. This article is Part 2 in a 3-Part Series. Part 1 - Build a React Native Vision Camera Frame Processor Plugin...

The previous popular react-native-camera project is now deprecated in favor of react-native-vision-camera. Vision Camera offers new APIs, better performance, improved stability and more features. It has a feature called Frame processors, which makes it easy to integrate extra image processing abilities. We are going to create a frame processor plugin...

I conducted an experiment to evaluate QR code detection performance using YOLOv4 on Android. The results showed that running the YOLOv4 model on the CPU took over 100ms per inference, which fell short of my expectations. To improve inference speed, I decided to leverage the Android Neural Networks API (NNAPI)...

In my previous article, I demonstrated how to create a simple Android QR code scanner. Building on that foundation, I’m taking things a step further by integrating the YOLOv4 Tiny model that I trained specifically for QR code detection into the Android project. But how effective is YOLO Tiny for...

Note: This article talks about how to build a QR code scanner native UI component for React Native. If you need to use Dynamsoft Barcode Reader in a React Native project for production, please use the official Dynamsoft Capture Vision SDK. React Native is an open-source UI software framework made...

A QR code scanner application is fundamentally composed of two key components: the camera preview and the QR code scanning functionality. While there are numerous QR code scanner apps available for download on the Google Play Store, building your own can be a more rewarding and educational experience. This article...

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....

Dynamsoft Barcode Reader SDK allows developers to customize algorithm parameters against different barcode scanning scenarios. There are some pre-configured parameter templates for decoding performance. No matter you pursue ultimate decoding speed, ultimate decoding accuracy, or the tradeoff between speed and accuracy, there is always an appropriate one. Since the parameters...

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...

Apache Cordova is a tool to create cross-platform apps from standard web technologies (HTML, CSS, and JavaScript). Its primary purpose is to provide a bridge for native device API access and to bundle for distribution.1 In this article, we are going to use Cordova to build a QR code scanner...

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...

When using a QR code reader or scanner SDK, the key priorities are detection speed and recognition accuracy. Several factors can influence the performance of a QR code detection SDK, which can be broadly categorized into two areas: image quality and algorithm efficiency. This article uses the Dynamsoft Python Barcode...

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...

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...

B4X is a set of rapid development tools which can be used to develop apps for all the major mobile and desktop platforms. It has four products: B4A, B4i, B4J and B4R, which aim at Android, iOS, Java (desktop with JavaFX, server and Raspberry Pi) and Arduino development. Apart from...

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....

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,...

If you’re aiming to develop a cross-platform GUI application using Python and Qt, your primary options are PyQt and PySide. Both offer Qt bindings for Python, but they differ mainly in licensing: PyQt5 requires either a GPL or a commercial license, while PySide6 is licensed under LGPL, making it more...

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...

In the past two weeks, I trained a custom YOLOv3 model specifically for QR code detection and tested it using Darknet. In this article, I will demonstrate how to use OpenCV’s DNN (Deep Neural Network) module to load the YOLO model for detecting QR codes from static images and real-time...

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...

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...

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...

AppVeyor is a continuous integration (CI) service used to automatically build code projects and deploy relevant artifacts. It provides build environments for Windows, Linux, and macOS. In this article, I will share how to use AppVeyor to build and deploy Python Wheels (Windows edition) from C/C++ code. Creating Python Wheels...

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...

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...

In my last article, I shared how to build WinRT component with Dynamsoft Barcode Reader C++ SDK. This article shows how to use the generated Dynamsoft.dll and Dynamsoft.winmd files in a Cordova plugin project for building Windows 10 apps. Installation Dynamsoft Barcode Reader SDK 6.4 Visual Studio 2017 Cordova My...

A JavaScript barcode SDK can be built in C/C++ for high performance. We can compile C/C++ code to a Node.js addon or WebAssembly. Which one is superior? Let’s try Dynamsoft Barcode Reader SDK to find the answer. What You Should Know Node.js C++ Addon vs. WebAssembly Speed Performance is vital...

Previously, I wrote an article sharing how to build Python barcode extension using C/C++ with Dynamsoft Barcode Reader SDK. If Python developers want to use the extension, they have to make it by themselves. It is a little bit inconvenient. A better way is to package the extension and distribute...

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...

OpenCV is written in C++.  If you install OpenCV library on Windows, you will see OpenCV officially provides wrappers for Python and Java but not for C#. Fortunately, there are many .NET open source projects for wrapping OpenCV C++ APIs, and thus we don’t need to write a wrapper from...

Last week, I shared how to create a CMake project for Windows. Since CMake is a cross-platform software building tool, I am going to make my C/C++ project support Linux and macOS. This article is Part 2 in a 16-Part Series. Part 1 - Building a C/C++ Barcode & QR Code...

If you have a program designed for multiple platforms, you definitely don’t want to waste time configuring and maintaining the building environment. I was thinking how to compile my C/C++ code for Windows, Linux and macOS more conveniently, and after that, I decided to learn CMake. CMake is an open-source,...

When porting code from Python 2 to Python 3, it is not as easy as you imagined no matter whether the primary programming language is Python or C/C++. Re-compiling the Dynamsoft Barcode extension for Python 3 is a challenge because I only found a few of documentation and resources online....

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...

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....

React Native is a JavaScript framework that enables developers to build mobile apps for Android and iOS platforms with one codebase. Even if you are a web developer, you can quickly develop mobile applications using React Native. Not like Cordova that uses WebViews, React Native produces a truly native user...

Cordova is a mobile application development framework that enables developers to build Android, iOS and Windows Phone apps using HTML5, JavaScript, and CSS3. It uses web views to render UI elements instead of the platform’s native UI framework. Cordova can be extended to add more functionalities with plugins. There are...

I just finished reading the article - Native Extensions for the Standalone Dart VM. In this post, I will share my experience about how to build a Dart native extension from scratch with Dynamsoft C/C++ barcode SDK on Windows. Why Asynchronous Extension Dart is a single-threaded programming language, similar to...

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...

Apache Cordova (formerly PhoneGap) is a mobile application development framework that enables developers to build mobile apps using CSS, JavaScript, and HTML. Different from Xamarin that converting C# code to native apps, Cordova composes apps with hybrid code - all UI layouts are rendered with web technologies via web views...

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...

If you want to get a Node.js application into a Docker container from scratch, it’s recommended to read the official guide – Dockerizing a Node.js web app.  It is useful, but not enough for a complicated case. In this post, I’m going to share what problems I have encountered while...

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...

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...