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NV21 is the default image format used by Android camera. Assume you want to save the data and view it as a BMP file on PC, how to write code in Java without Android image APIs? Let’s do it from scratch.What is NV21NV21 is a kind of YUV (also be r ...
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Visual Studio Code - a source code editor for Windows, Linux and macOS released by Microsoft - is getting more extensible and customizable. It is interesting to build an extension yourself. In this article, I will share how to create a simple HTM ...
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If you want to open webcam stream in a web browser, what technology will you choose? Probably many developers’ answer is HTML5. Yes, with the JavaScript API getUserMedia, it will be pretty easy to open webcam within web browsers. However, the API ...
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Dynamic Web TWAIN Linux Edition is a web-based document scanning SDK based on SANE. It consists of a native scanning service, which communicates with the scanner driver, and a JavaScript scanner library. With a few lines of JavaScript code, you c ...
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Dynamic Web TWAIN for Raspberry Pi is on Dynamsoft Labs now. No matter whether you are a Dynamic Web TWAIN user or not, if you want to build a document scanning and management system with low cost, you should experience this edition. Build a smar ...
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Previously, I wrote an article Raspberry Pi Barcode Scanner with Webcam and Python illustrating how to build a simple barcode scanner using Dynamsoft Barcode Reader SDK and OpenCV from scratch. The method decodeFile() was used for detecting barco ...
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Dynamic Web TWAIN for Linux is coming soon. The underlying technology is SANE (Scanner Access Now Easy). Although we do not need to write any code other than JavaScript when using Dynamic Web TWAIN to develop SANE document scanning applications o ...
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C# is the preferred programming language for developing Windows applications. However, Microsoft only provides .NET camera APIs for UWP applications. If you plan to write a classic Windows desktop application using a webcam, it will be complicate ...
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It is known that getUserMedia, the API defined by WebRTC, is the main method for accessing media capture devices such as webcam and microphone in web pages. The compatible desktop web browsers include Chrome, Firefox, Opera, and Edge. This articl ...
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OpenCV officially provides both C++ and Python APIs for developers. Most of the time, developers just need to use one kind of programming languages to read, write and process images with hundreds of computer vision algorithms. However, if you wan ...