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In the previous article, we’ve talked about how to use the Barcode Detection API to create a web QR code scanner. However, not many browsers support the API. So in this article, we are going to write a polyfill for the Barcode Detection API with the JavaScript version of Dynamsoft...
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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...
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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. {% include series.html %} Install Dependencies OpenCvSharp4.Windows Used to capture video stream from...
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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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The Ionic framework has shifted its native runtime from Cordova to Capacitor. But for compatibility concerns and the fact that there are many good Cordova plugins, we can still use Cordova plugins in an Ionic project. We can directly use Cordova plugins with the cordova object, but there is a...
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Normally, we scan barcodes and QR codes from live camera streams or static images. But sometimes, we may need to read barcodes from video files, like scanning the barcodes on a long shelf and evaluating the performance of live scanning. A video contains rich information. A state-of-art mobile phone can...
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Dynamic Web TWAIN has a new scanDocument API since v17.2, which makes it easy to capture documents using mobile cameras with its document border detection feature. Along with the RemoteScan feature that connects physical document scanners, we can now build a decent mobile document scanner with web technologies. In this...
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Dynamsoft is the only company that provides enterprise-class Python Barcode and QR Code SDK for Windows, Linux, macOS, and Raspberry Pi OS. The SDK allows developer 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...
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If you are looking for a JavaScript barcode and QR code scanner SDK, Dynamsoft JavaScript Barcode SDK is no doubt the best. The SDK enables developers to quickly build web barcode and QR code scanner applications with a few lines of code. This article gives you a better understanding of...
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While scanning barcode and QR code from camera stream, we need to firstly convert color images encoded in RGB or YUV to grayscale images, then convert grayscale images to binary images before decoding. Operating image pixels takes much CPU time. To speed up image processing, we can utilize GPU. Dynamsoft...