Tag: ocr
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Developing a Desktop MRZ Scanner for Passports, IDs, and Visas with Dynamsoft C++ Capture Vision SDK
The Machine Readable Zone (MRZ) is a section on passports, IDs, visas, and other travel documents that encodes key personal information, such as the holder’s name, nationality, document number, date of birth, gender, and document expiration date, in a standardized format. In this article, you’ll learn how to use the...
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Machine Readable Zone (MRZ) recognition is a critical feature in applications that require scanning and processing identity documents, such as passports and visas. On Android devices, implementing accurate MRZ recognition can significantly enhance the efficiency and user experience of such apps. In this article, we will explore how to use...
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When scanning documents via scanners, we may get misoriented document images. The use of automatic document feeding makes it happen more often. We can use image processing to detect the orientation. There are many ways to do this. For example, in Latin script text, ascenders are more likely to occur...
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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,...
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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....
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MRZ (machine-readable zone) is a section on ID documents. It is designed to be read by a machine to get the document owner’s info, like name, age, sex and nationality. In this article, we are going to build an expo application to scan MRZ. Dynamsoft Label Recognizer is used to...
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Identity documents are adopted in many countries to prove a person’s identity. They usually have a card design around 8.6 cm x 5.4 cm in size with three-line MRZ, like ID cards in Germany and the Netherlands. Dutch ID Card Specimen: In this article, we are going to talk about...
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In the previous article, we built a JavaFX demo app to scan documents using Dynamsoft Service’s REST API. The demo app can scan documents via protocols like TWAIN, WIA, SANE, and ICA and save the documents into a PDF file using PDFBox. In this article, we are going to extend...
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MRZ stands for “machine-readable zone”. It is usually at the bottom of an identity page for machines to read its info like document type, name, nationality, date of birth, sex and expiration date, etc. A dataset of MRZ images is needed to train an OCR engine of MRZ or evaluate...
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Many countries have now adopted an ID card design around 8.6 cm x 5.4 cm in size with three-line MRZ, like ID cards in Germany and the Netherlands. Dutch ID Card Specimen: In this article, we are going to talk about how to build an ID card scanner in Ionic...
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MRZ stands for “machine-readable zone”. It is usually at the bottom of an identity page for machines to read its info like document type, name, nationality, date of birth, sex and expiration date, etc. Dynamsoft Label Recognizer can read MRZ with sophisticated image processing algorithms and provides a JavaScript edition....
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MRZ stands for “machine-readable zone”. It is usually at the bottom of an identity page for machines to read its info like document type, name, nationality, date of birth, sex and expiration date, etc. Dynamsoft Label Recognizer can read MRZ with sophisticated image processing algorithms and provides a JavaScript edition....
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Machine-Readable Zone (MRZ) scanner applications are used for quick and automated data entry from identification documents such as passports, visas, ID cards, and other types of travel documents. Some industries such as banking, healthcare, hospitality, and transportation require MRZ scanning to verify the identity of their customers. With the increasing...
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Full-text search is a process of examining all of the words in every stored document to find documents meeting a certain criteria (e.g. text specified by a user). It is possible for the full-text-search engine to directly scan the contents of the documents if the number of documents is small....
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Paper documents are still ubiquitous in our everyday work, like invoices, checks and printed books. It takes effort to manage them. With Dynamic Web TWAIN, we can build a web application to scan documents from document scanners. But further steps are required to better manage the documents and OCR is...
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The International Mobile Equipment Identity (IMEI) is a numeric identifier, usually unique, for 3GPP and iDEN mobile phones, as well as some satellite phones. It is usually found printed inside the battery compartment of the phone but can also be displayed on-screen on most phones by entering *#06# MMI Supplementary...
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Since Dynamsoft Label Recognizer supports Windows, Linux, Android, iOS and Web, we can create a 5 in 1 Flutter plugin for it to cover desktop, mobile and web platform development. In this article, you will see how to write an MRZ Flutter plugin using different platform-specific code, such as Java,...
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This article aims to help Java developers build desktop and server-side Java applications to detect machine-readable zones (MRZ) in passports, travel documents, and ID cards. You will see how to encapsulate Dynamsoft C++ OCR SDK into a Java Jar package and how to quickly create a command-line MRZ detector with...
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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. Using Capacitor plugins, we can use JavaScript to interface directly with native APIs. In this article,...
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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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Ionic is a popular framework to build cross-platform mobile web apps. In this article, we are going to build an Ionic Angular app based on Cordova to scan the MRZ codes which are often found on passports. The JavaScript version of Dynamsoft Label Recognizer is used to provide the ability...
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This article aims to build a Node.js module to recognize MRZ from passport, ID card, and travel documents on Windows and Linux. The module is implemented based on Dynamsoft C++ OCR SDK. This article is Part 3 in a 7-Part Series. Part 1 - Making Web Passport MRZ Reader and...
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In the previous article, we’ve talked about how to build a React Native Vision Camera frame processor plugin for Android to recognize text using Dynamsoft Label Recognizer. In this article, we will finish the iOS part of the plugin. This article is Part 2 in a 3-Part Series. Part 1...
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Dynamsoft Label Recognizer (DLR) is an SDK that makes it easy to add text recognition function to our apps. We can use it to recognize text on labels, ID cards, etc. In this article, we are going to create a React Native Vision Camera frame processor plugin for DLR to...
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The WebView component included in modern mobile operating systems is becoming more and more powerful. For example, it supports showing the camera preview using getUserMedia and has support for WebAssembly, which makes it possible to use Dynamsoft Label Recognizer to create a text scanner to recognize text like passports’ machine-readable...
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Recently, Dynamsoft compiled the C++ OCR SDK to a web assembly module. It aims to help web developers to build web passport MRZ scanner applications using HTML5 and JavaScript. This article shows how to build web applications to read MRZ information from passport images and scan passport MRZ information with...
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If you search for passport scanner software or MRZ reader software, you will find many of them are only available for mobile devices. For police officers, scanning passports by mobile devices is convenient when they are patrolling. However, for customs and immigration officers, they usually use desktop system and professional...
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We need to use OCR in various scenarios, whether we want to scan the credit card number with our phone or extract text from documents. Dynamsoft Label Recognition (DLR) and Dynamic Web TWAIN (DWT) have the OCR ability to accurately read text. Although generally they can do a good job,...
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Dynamsoft Label Recognition (DLR) is an OCR SDK implemented in C/C++. The 1.0 Beta version was recently rolled out for Windows and Linux platforms. This article will demonstrate how to utilize the APIs of Dynamsoft Label Recognition to create a text recognition app on Windows. Requirements Dynamsoft Label Recognition 1.0...
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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...
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Previously, I shared an article Making an Android OCR Application with Tesseract. This time, I’d like to share how to build the tesseract OCR library with Microsoft Visual Studio 2008 on Windows. Building Tesseract I’ve tried different ways to set up the building environment, and finally concluded that the most...
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Tesseract is a well-known open source OCR engine that released under the Apache License 2.0. In this tutorial, I’d like to share how to build the OCR library for Android, as well as how to implement a simple Android OCR application with it. Ads Powered by Dynamsoft Tesseract Android Tools...