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Dynamsoft Developer Blog

Get the latest information, insights, tutorials, and news from Dynamsoft.

  • Draw QR Code Overlays using SVG with JavaScript

    Oct 14, 2021  Web Barcode Scanner

    Scalable Vector Graphics, SVG, is a W3C XML dialect to mark up graphics1. SVG can be created dynamically with JavaScript and injected into the HTML DOM2. Using SVG, it is very easy to draw a graphics in a web page. Below is a polygon example: <svg width="100" height="100" version="1.1" xmlns="http://www.w3.org/2000/svg">...

    •  BARCODE
    •  QR CODE
    •  HTML5
    •  JAVASCRIPT
  • How to Build a UWP Document Scanning App

    Oct 11, 2021  Document Scanning

    The Universal Windows Platform (UWP) lets us build apps for any Windows device and publish them to the Store. It is the latest technology of Microsoft to create client apps. We can use the new visuals and features of the latest version of Windows in a UWP app. Dynamic Web...

    •  WEB TWAIN
    •  UWP
  • How to Create a Python Barcode Reader to Scan QR Code from Desktop Screen

    Oct 07, 2021  Barcode

    In our life, we usually take out smartphone to scan QR code. But when we are working on a computer, smartphone may not be the best choice for scanning QR codes that appear on web pages. One reason is the pictures taken from a monitor screen have the Moire’ patterns...

    •  BARCODE
    •  PYTHON
    •  QT
    •  QR CODE SCANNER
  • Transfer Data with Animated QR codes

    Sep 30, 2021  Web Barcode Scanner

    QR code is useful to transfer data across different devices. An Android device can exchange data with an iOS device through a QR code. It does not require setting up a wireless network and does not have the hassle of pairing using Bluetooth. As it is a screen-camera solution, it...

    •  QR CODE
    •  HTML5
    •  JAVASCRIPT
  • How to Decode QR Code from WebP Images in C++ and Python

    Sep 28, 2021  Barcode

    Dynamsoft Barcode Reader currently does not support WebP images. If you download a QR code image encoded with WebP format, how can you recognize the QR code with Dynamsoft Barcode Reader? In this article, we combine libwebp and Dynamsoft Barcode Reader to fulfill decoding QR code from WebP images. Installation...

    •  QR CODE
    •  WEBP
    •  PYTHON
    •  C++
  • Document Scanning and Uploading in Node.js with Express and Jade

    Sep 24, 2021  Document Scanning

    Last time, I shared an article Document Imaging and Uploading with Dynamic Web TWAIN (DWT) and Node.js, which demonstrated how to deploy a website on the Web server that implemented in node.js with Express. Today, I’ll re-write the sample with Express application generator and the template engine jade. About Dynamic...

    •  NODE.JS
    •  EXPRESS
    •  JADE
    •  JAVASCRIPT
    •  WEB
  • How to Build a Simple WebP Conversion Tool with Python, Qt and OpenCV

    Sep 22, 2021  Miscellaneous

    “WebP is an image format employing both lossy and lossless compression, and supports animation and alpha transparency. Developed by Google, it is designed to create files that are smaller for the same quality, or of higher quality for the same size, than JPEG, PNG, and GIF image formats” - Wikipedia....

    •  PYTHON
    •  WEBP
    •  QT
    •  OPENCV
  • Intelligent Barcode Annotation Tool using Python and Qt

    Sep 16, 2021  Barcode

    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...

    •  BARCODE
    •  QR CODE
    •  PYTHON
    •  QT
  • 1D Barcode Scanning Accuracy Benchmark and Comparison

    Sep 16, 2021  Barcode

    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 engine that has the best speed,...

    •  BENCHMARK
  • Online Document Scanning with Django and Dynamic Web TWAIN

    Sep 15, 2021  Document Scanning

    Django is a popular framework of Python for web development. In this tutorial, we will create a web application with Django and Dynamic Web TWAIN. About Dynamic Web TWAIN Python Development Environment Python 3.7.9 python --version Django 3.2.7 python -m pip install Django python -m django --version Overall steps The...

    •  WEB TWAIN
    •  DJANGO
    •  PYTHON
    •  DOCUMENT SCANNING
    •  DOCUMENT MANAGEMENT
    •  DATABASE
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