Tag: barcode reader
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Starting from .NET 9, there is a new HybridWebView control in MAUI which makes it easy to host arbitrary HTML/JS/CSS content in a web view, and enables communication between the code in the web view (JavaScript) and the code that hosts the web view (C#/.NET). In this article, we are...
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vCard, also known as VCF (“Virtual Contact File”), is a file format standard for electronic business cards. The following is an example of the content of a vCard file: BEGIN:VCARD VERSION:4.0 FN:Simon Perreault N:Perreault;Simon;;;ing. jr,M.Sc. BDAY:--0203 GENDER:M EMAIL;TYPE=work:simon.perreault@viagenie.ca END:VCARD Widely used in business and personal networking, vCards can be shared...
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In the previous article, we talked about how to convert an image to black and white with a threshold. It may not work well with images having uneven lighting in tasks like barcode reading. For example, if we convert the following QR code with shadow to black and white with...
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In this article, we are going to create a lightning web component to scan barcodes in Salesforce, the famous CRM system, so that we can quickly input data. Dynamsoft Barcode Reader is used for barcode scanning. Because Dynamsoft Barcode Reader uses WASM, which cannot run in Salesforce LWC by default,...
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DotCode is two-dimensional (2D) matrix barcode mainly used in the tobacco industry with advantages like the ability to apply the barcode by high-speed industrial printers and other methods like laser engraving. Below is a pack of cigarettes with a DotCode representing its unique identifier. In this article, we are going...
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Nuxt is a free and open-source framework with an intuitive and extendable way to create type-safe, performant and production-grade full-stack web applications and websites with Vue.js. In this article, we are going to build a barcode and QR code scanner using Nuxt.js. Dynamsoft Camera Enhancer is used to access the...
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VIN stands for vehicle identification number. It is a unique 17-character code to identify individual vehicles. The VIN contains information about your car’s make, model, and year, as well as the country where it was manufactured and other important details. You may find the VIN label on your car’s dashboard,...
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VIN stands for vehicle identification number. It is a unique 17-character code to identify individual vehicles. The VIN contains information about your car’s make, model, and year, as well as the country where it was manufactured and other important details. You may find the VIN label on your car’s dashboard,...
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An IP camera, also known as a network camera, is a digital video tool that sends and receives data via the internet. Unlike its analogue predecessor, the CCTV (Closed Circuit TV), it offers the functionality to view live or recorded footage from anywhere, anytime using a web-based platform or mobile...
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UPC is a type of barcode widely used to identify retail products while EAN is a superset of it adding an extra digit to the beginning. EAN-13 and UPC-A are the common versions while EAN-8 and UPC-E are the less used versions for small packages. An EAN or a UPC...
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In the previous article, we’ve talked about how to control camera zoom on the web. In this article, we are going to add the feature to automatically zoom in to scan a tiny or distant QR code to a web QR code scanner. Dynamsoft Barcode Reader is used to read...
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Object detection is a computer technology related to computer vision and image processing that deals with detecting instances of semantic objects of a certain class (such as humans, buildings, or cars) in digital images and videos.1 It can be used in a barcode reading task as barcodes are often printed...
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A barcode or bar code is a method of representing data in a visual, machine-readable form. There are all kinds of barcodes and mainly, they can be divided into 1D barcodes and 2D barcodes. We can get binary data from barcodes and there are different ways to interpret the data....
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Zapier is a workflow automation platform. It has integrated over 6000 applications and we can chain different applications in the same workflow without writing code. In this article, we are going to build a Zapier app integration to scan barcodes. We can scan barcodes in a web application and the...
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PDF uses the PostScript language to encapsulate a complete description of a fixed-layout flat document, including the text, fonts, vector graphics, raster images and other information needed to display it. Storing barcodes as vector graphics is better for printing as the barcodes can scale without losing the quality and tend...
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In the previous article, we talked about the possibility of transferring files via QR codes and built a demo web app. In this article, we are going to build a cross-platform version using Ionic Vue which can run on Android, iOS and Web. The mechanism is also improved by adding...
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In the previous article, we built a simple barcode reader server in Python and deployed it on Vercel. In this article, we are going to deploy it on AWS Lambda to provide a serverless barcode reading interface. New Function Create a new AWS Lambda function. Here, we do this in...
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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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In this article, we are going to talk about how to build a web app to scan ISBN barcodes to get the info of books and manage bills of books on Airtable. Airtable is a spreadsheet-database hybrid, with the features of a database but applied to a spreadsheet. It can...
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GS1 is a not-for-profit, international organization developing and maintaining its own standards for barcodes. GS1 defines the rules to encode a barcode content so that it contains information about a product: its GTIN (Global Trade Item Number), the weight or dimensions of the item, its price, the lot/batch code, the...
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Glide is a no-code app builder which makes it easy to create apps. Dynamsoft is a partner of Glide to provide it with the barcode scanning feature based on its barcode reading SDK. In this article, we are going to use Glide to create a demo app which scans barcodes....
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Notion is an all-in-one workspace for us to use the computer. It is basically a note-taking app but it is more than that with great customizability. In this article, we are going to build a web app to scan ISBN barcodes to get the info of books and save them...
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In the previous article, we’ve created an Oracle APEX application to scan documents. In this article, we are going to add barcode scanning function to the Oracle APEX application with Dynamsoft Barcode Reader. You can check out the video to see what it does. Prerequisites Get your trial license key....
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In the previous article, we talked about how to scan documents in a FileMaker custom app using Dynamic Web TWAIN. In this article, we are going to add a barcode scanning function in a FileMaker custom app using Dynamsoft Barcode Reader. We embed an MQTT receiver web app in the...
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Chrome extensions are software programs, built on web technologies (such as HTML, CSS, and JavaScript) that enable users to customize the Chrome browsing experience.1 In this article, we are going to write a Chrome extension to add the barcode reading function to web pages with Dynamsoft Barcode Reader. The extension...
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Barcode reading is a complex task with different challenging scenarios. To suit most scenarios, Dynamsoft Barcode Reader provides rich image processing parameters which users can adjust. There are two ways to adjust the parameters. One is via the code: // JavaScript example to set the barcode format to QR code...
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Quasar is a Vue.js-based framework, which allows web developers to quickly create responsive websites/apps, while Capacitor is a runtime for creating cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS. In this article, we are going to use the two to create a QR code scanner using...
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In tasks like barcode scanning and text recognition, we often need to limit the scan region so that only the desired info is extracted. In this article, we are going to build a viewfinder web component as the following which shows which area will be processed. Stencil.js is used to...
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Web Components are a set of features that provide a standard component model for the Web allowing for encapsulation and interoperability of individual HTML elements. 1 We can define a custom element to use in any HTML environment, with any framework, or with no framework at all. Stencil is a...
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In the previous article, we’ve given a brief demonstration on how to use the capacitor-plugin-dynamsoft-barcode-reader to create a cross-platform QR code scanner using Ionic React. In this article, we are going to use Ionic Vue to create such a QR code scanner. Online demo Building an Ionic Vue QR Code...
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Noise in barcode images poses a challenge for successful barcode reading. There are many types of noise. Here are some examples: Patterned noise caused by bad printing or scanning.1 Image source Noise caused by taking a photo with digital cameras in low light.2 We can run image processing to improve...
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The Ionic framework has shifted its native runtime from Cordova to Capacitor. But we can still create Ionic Angular projects based on Cordova. In this article, we are going to create an Ionic Angular QR code scanning app based on Cordova using the cordova-plugin-dynamsoft-barcode-reader and the ionic wrapper. Preview of...
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In many barcode scanning situations, we only need to select one barcode while there are many other barcodes around it. How to avoid scanning unwanted barcodes and only get the barcode result we want? In this article, we are going to talk about ways to select one barcode from many....
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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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In the previous article, we’ve given a brief demonstration on how to use the capacitor-plugin-dynamsoft-barcode-reader to create a cross-platform QR code scanner using web technologies with Capacitor. In this article, we are going to take a step further to create an Ionic React QR Code Scanner. Online demo on netlify:...
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PDF417 (Portable Data File 417) is a stacked linear barcode format widely used in transport, identification cards, and inventory management.1 Its high data capacity — up to 1,850 alphanumeric characters or 2,710 numeric digits — makes it the format of choice for applications that require storing large amounts of information...
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Although almost every Android phone is equipped with cameras, some Android devices, like TV boxes and kiosks, may not have cameras built-in. An easy way to add extra camera functionality to these devices is by connecting with a USB camera if they support USB-OTG. Starting from Android 9, the Android...
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Capacitor is an open source native runtime created by the Ionic team for building Web Native apps. We can use it to create cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS.1 As an alternative to Cordova, Capacitor delivers the same cross-platform benefits, but with a more...
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ZeroMQ is a high-performance asynchronous messaging library, aimed at use in distributed or concurrent applications. It supports common messaging patterns (pub/sub, request/reply, client/server and others) over a variety of transports (TCP, in-process, inter-process, multicast, WebSocket and more), making inter-process messaging as simple as inter-thread messaging. 1 ZeroMQ can be used...
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Image annotation is a key step in deep learning. It prepares the data for tasks like image classification, object detection, semantic segmentation, etc. For image classification, we only need to annotate the label. For object detection, we also need the bounding box and for segmentation, we need to annotate objects...
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Introduction Accuracy is a key metric of barcode reading SDKs. Given an image, a barcode engine should correctly detect whether one or more barcodes exist. If barcodes exist, the percentage of correct values returned dictates the accuracy. As a software developer, choosing a barcode SDK with the best combination of...
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QR codes are a critical part of modern applications — from payment systems and ticketing to inventory management and document tracking. As a two-dimensional barcode, a QR code can store significantly more data than a 1D barcode and is decoded from a camera image using image processing algorithms. Choosing the...
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The International Article Number (also known as European Article Number or EAN) is a standard describing a barcode symbology and numbering system used in global trade to identify a specific retail product type. The most commonly used EAN standard is the thirteen-digit EAN-13. 1 The 13-digit EAN-13 number consists of...
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Motion detection can detect whether there is a change in the positions of objects. It can be achieved by many methods. For example, infrared light or laser technology can be used for optical detection. As for image processing methods, there is a basic one by a fixed camera, which compares...
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Let’s continue discussing scanning QR codes at a distance. In this article, we’ll talk about resolution. Using the camera’s highest resolution Most of the current smartphones’ video stream resolution can be set to 1080P (Full HD) and many of them support 4K (Ultra HD) video capturing. The higher the resolution...
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Have you had such an experience that you need to scan a QR code displayed on a screen in the front of a meeting room, but you sat in the back? You opened the barcode scanning app and aimed it at the code, but it just couldn’t read the code....
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Camera control and barcode reading are two essential parts of a barcode scanner. Dynamsoft Barcode Reader is an advanced barcode reader with an easy-to-use Android library. The implementation of the barcode reading function is simple and straightforward. Making a good camera app, however, is not easy. In Android, there are...
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This article will guide you through the creation of a JavaFX GUI barcode reading application (as shown below) using Dynamsoft Barcode Reader SDK (DBR) and vlcj. JavaFX is an open-source, next-generation client application platform for desktop, mobile, and embedded systems built on Java.1 vlcj is a Java framework to allow...
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QR codes1 are everywhere - URLs, payment flows, ticketing, inventory labels, patient wristbands. Building a browser-based QR code scanner means users get instant scanning capability on any device without downloading an app. This guide shows how to build one using the Dynamsoft Barcode Reader JavaScript SDK v11, which runs entirely...