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Dynamsoft Developer Blog

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

  • My First C/C++ App Built with CMake on Windows

    Nov 06, 2017  Miscellaneous

    If you have a program designed for multiple platforms, you definitely don’t want to waste time configuring and maintaining the building environment. I was thinking how to compile my C/C++ code for Windows, Linux and macOS more conveniently, and after that, I decided to learn CMake. CMake is an open-source,...

    •  CMAKE
    •  C/C++
  • A Simple Web Document Management App with OpenCV.js

    Oct 30, 2017  Miscellaneous

    Document Scanning is nothing new for mobile apps. I remember the first time that I installed a document scanning app was in 2010. However, Apple, Microsoft, and Google the giant tech companies got started to recognize the importance of document scanning technology recently. It is good to see the function...

    •  JAVASCRIPT
    •  OPENCV
    •  DOCUMENT
  • How to Port C/C++ Barcode Extension to Python 3

    Oct 23, 2017  Barcode

    When porting code from Python 2 to Python 3, it is not as easy as you imagined no matter whether the primary programming language is Python or C/C++. Re-compiling the Dynamsoft Barcode extension for Python 3 is a challenge because I only found a few of documentation and resources online....

    •  BARCODE SCANNING
    •  PYTHON
    •  C/C++
  • Raspberry Pi Live Streaming with USB Webcam

    Sep 25, 2017  Miscellaneous

    For the past week, I was looking for a live streaming solution to broadcast video from a USB webcam that connects to Raspberry Pi. This post will help you set up a live streaming server on Raspberry Pi step by step. Installing FFmpeg on Raspberry Pi My first try was to...

    •  WEBCAM
    •  CAMERA
    •  NGINX
    •  RASPBERRY PI
    •  FFMPEG
  • How to Build Web Document Scanner Using OpenCV-Python

    Sep 04, 2017  Miscellaneous

    Many excellent document mobile apps support not only image capture, but also edge detection and perspective transformation. If you are interested in these computer vision technologies, you can use OpenCV to create a free document scanner app yourself. In this post, I want to share how to use OpenCV-Python to...

    •  PYTHON
    •  OPENCV
    •  DOCUMENT
  • How to Build Web Camera Recorder Using OpenCV and Flask

    Aug 28, 2017  Miscellaneous

    Recently, I was inspired by a blog post “Python Live Video Streaming Example” and thinking whether it is possible to save the camera streaming to a video file. Based on the example code, I managed to figure out a solution. In this post, I want to share the process of...

    •  PYTHON
    •  OPENCV
    •  CAMERA RECORDER
    •  FLASK
  • Listing Multiple Cameras for OpenCV-Python on Windows

    Aug 21, 2017  Miscellaneous

    Using OpenCV APIs to capture video from a camera is convenient. However, OpenCV does not provide an API for listing all available devices. If you have multiple cameras connected to your PC, you have no idea how to choose the right one. To get device information on Windows, you need...

    •  PYTHON
    •  OPENCV
    •  DIRECTSHOW
    •  OPENCV-PYTHON
  • Learning Emscripten: Compile C/C++ to JavaScript

    Jul 24, 2017  Miscellaneous

    It was my first time to hear about WebAssembly when watching Google I/O ‘17. WebAssembly (wasm) lets developers compile C/C++ or other statically typed languages into JavaScript for building high-performance web apps. Assume I have a C/C++ barcode detection or OCR library deployed on server-side,  I can now move it to the...

    •  JAVASCRIPT
    •  EMSCRIPTEN
    •  WEBASSEMBLY
    •  C/C++
  • Running Linux Console App on Chrome OS in Virtual Machine

    Jul 10, 2017  Barcode

    Chrome OS, developed by Google, is a light-weighted operating system based on the Linux kernel. It uses Chrome web browser as the user interface that primarily supports web applications released as Chrome extensions. However, Chrome extension is not fresh to me. When running Chrome OS in a virtual machine, I...

    •  BARCODE
    •  LINUX
    •  CHROMEOS
  • How to Resize Raspbian Image for QEMU on Windows

    Jul 03, 2017  Miscellaneous

    Raspbian is a free operating system based on Debian. It is the recommended operating system for Raspberry Pi. If you do not have a Raspberry Pi, you can experience Raspbian by running the OS image in the emulator - QEMU. In this article, I want to share how to resize...

    •  QEMU
    •  RASPBERRY PI
    •  RASPBIAN
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