Tag: ocr
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Previously, I wrote a post about how to recognize passport MRZ from an image file using C++. In this post, I will create a more productive Android app, which utilizes camera to recognize MRZ.
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MRZ stands for machine readable zone. A passport has a machine-readable zone which contains the information about name, nationality, passport number, date of birth, sex, and expiration date of passport. This article introduces how to use Dynamsoft OCR SDK to recognize MRZ and ...
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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.
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The accuracy of optical character recognition (OCR) is sensitive to text orientation. If a text image file is rotated by 90°, 180° or 270°, and there is no EXIF information, it would be challenging to doing text recognition. In case of text around barcode, the combination of ...
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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.
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Previously, I shared an article demonstrating how to use Tesseract Python OCR to recognize the accompanying text of a 1D barcode. In this article, I will change the programming language to JavaScript, creating a JavaScript barcode scan app integrated with Tesseract JavaScript ...
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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 recog ...
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Dynamsoft Document Capture - an online document capture and OCR service - has been launched for a while. The corresponding RESTful service is also available now. In this article, I will unveil how to use the REST APIs to operate image files and perform OCR.
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Dynamsoft OCR SDK is totally implemented in C++, which means it is easy to be wrapped in high-level programming languages, such as C#, Java, Python and so on. As a proprietary development SDK, so far, only .NET OCR library is available for commercial use. Because some of deve ...
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Last time, I wrote an article Free Online OCR Service with Dynamsoft TWAIN SDKs, which introduced how to create an online OCR application with Dynamic .NET TWAIN SDK step by step. Since then, I have received some feedbacks about how to convert the OCR results to Microsoft Off ...
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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.
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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.
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Dynamsoft provides a free online OCR tool for end-users. In this tutorial, I’d like to anatomize how to use Dynamic Web TWAIN SDK and Dynamic .NET TWAIN SDK to implement the online OCR solution. You can have fun with the tool before reading the next paragraph.
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Dynamic .NET TWAIN 5.0 has been released for a while. To help users to quickly grasp APIs, a brand-new API demo, written in WPF with C# & VB.NET, is included. In this tutorial, we would like to show the anatomy of this application. Let’s glance at the screenshot as a warm ...
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1. Introduction to OCR add-on