Tag: dotnet
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Document digitization is a common task across various industries. Many documents—such as exam papers, legal contracts, patient records, account statements and more—contain barcodes that store crucial information. In this article, we will demonstrate how to build a .NET MAUI Windows app to digitize documents using traditional scanners (HP, Canon, Epson,...
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Machine Readable Zones (MRZ) are vital components of passports, visas, and other identification documents. Typically located at the bottom of a document’s front page, MRZs contain essential information such as the document type, holder’s name, issuing country, and expiration date. In today’s digital landscape, MRZ recognition is an invaluable tool...
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In .NET MAUI development, both BlazorWebView and WebView are used to display web content, but they serve different purposes and are designed for different scenarios. The BlazorWebView is specifically designed to host Blazor components in a .NET MAUI application, allowing you to reuse Blazor components and share code between web...
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Last week, we developed a desktop document scanner application using .NET MAUI and the Dynamic Web TWAIN REST API. We encountered an issue where the app’s UI, constructed with MAUI controls, behaved inconsistently on Windows and macOS. For instance, the Picker control functioned well on Windows but not on macOS....
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Dynamsoft used to offer both the .NET TWAIN SDK and the Dynamic Web TWAIN SDK. However, the .NET TWAIN SDK is no longer maintained, and the focus has shifted to the web-based Dynamic Web TWAIN SDK. Despite this shift, you can still build a desktop document scanner application in .NET...
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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...
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ASP.NET Core is a cross-platform, high-performance, open-source framework for building modern, cloud-enabled, Internet-connected apps. It is convenient to use it to build web APIs and web apps. In this article, we are going build an ASP.NET app to crop document images. It mainly provides the following API: /api/document/detect: upload an...
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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...
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ASP.NET Core enables C# server-side applications to run on Windows, Linux, and macOS. In this tutorial, we will go through the steps of building a web document scanning application with ASP.NET Core and Dynamic Web TWAIN SDK. This article is Part 1 in a 5-Part Series. Part 1 - Building...
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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...
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The Capture.Vision.Maui NuGet package aims to equip developers with a .NET MAUI library, featuring a camera view and various image processing functions. This library streamlines the development of .NET MAUI applications across multiple platforms, including Windows, Android, and iOS. Previously, we introduced barcode scanning capabilities within the .NET MAUI library....
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In our previous article, we mentioned how to create a Web Barcode Scanner using RazorBarcodeLibrary. The library is built on top of the Dynamsoft JavaScript Barcode SDK, which encapsulates the camera access and barcode reading logic in JavaScript. In fact, Dynamsoft also provides an independent JavaScript camera library, named Dynamsoft...
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Using the Dynamsoft Service RESTful API significantly simplifies the creation of document scanning applications. However, distributing these as desktop applications can be somewhat challenging. Users are required to install both the developer’s application and the Dynamsoft Service. Bundling them together in a single installation package would greatly improve the user...
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Last week, we developed a RESTful service using .NET C# and Twain.Wia.Sane.Scanner library to scan documents from TWAIN, WIA, SANE, and eSCL scanners. This week, we will repurpose the C# code to construct a Blazor WebAssembly application that digitizes documents directly from a web browser, all without the need for...
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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...
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Having previously developed libraries for Node.js, Flutter, Java, and Python to integrate with Dynamsoft Service’s REST API, we’re now turning our attention to .NET. In this article, we introduce a .NET library to interface with the REST API, facilitating document scanning from TWAIN, WIA, SANE, and eSCL compatible scanners. We’ll...
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Web and mobile app development has drawn most of the attention in recent years, but desktop apps still play a critical role in our productivity. The Windows UI Library (WinUI) is a native user experience (UX) framework for both Windows desktop and UWP applications. It is Microsoft’s latest technology to...
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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...
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ASP.NET Core is a cross-platform, high-performance, open-source framework for building modern, cloud-enabled, Internet-connected apps. It is convenient to use it to build web APIs and web apps. In this article, we are going to talk about how to set up a simple barcode reading server in ASP.NET Core with Dynamsoft...
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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...
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This article aims to help C# developers to build desktop .NET MRZ (Machine Readable Zone) scanner applications with Dynamsoft C++ Label Recognizer SDK. We firstly build a .NET class library for detecting MRZ zone and extracting MRZ text from passport, ID card, and travel documents. Then we demonstrate how to...
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Suppose you are a C# developer who wants to use Dynamsoft Document Normalizer to implement a desktop document scanner application. Since Dynamsoft Document Normalizer is a C/C++ library, you may encounter some interoperability issues when using it in your C# project. In this article, we will help you build a...
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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...
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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...
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.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...
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Since .NET 6 Preview 3, it is possible to host Blazor web applications in a WinForms/WPF app using the BlazorWebView control. Behind BlazorWebView is WebView2, which uses Microsoft Edge as the rendering engine to display the web content in native apps. Developers can now adopt a hybrid app approach, utilizing...
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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...
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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...
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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...
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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...
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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...
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If you have a USB camera, how can you build a simple C# camera application on Windows 10? There are three options: WIA (Windows Imaging Acquisition), DirectShow and MediaCapture. After trying some sample code that downloaded from CodeProject and GitHub, I got the conclusion: 1. WIA is not good because...