Tag: qt
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A few months ago, I published a cross-platform desktop barcode reading application built with Qt Python and Dynamsoft Barcode Reader. The supported input sources include real-time camera stream, image files, and screenshots. In this article, I will set document scanner as the ...
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If you want to create a QR code scanner for both Windows and Android from a single codebase, what is the best way to do it? If you have read my previous article, Flutter could be your answer. However, it takes time to develop Flutter plugins. The cons of Flutter are that the ...
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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 which inte ...
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“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 im ...
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Image annotation is a key step in deep learning. It prepares the data for tasks like image classification, object detection, semantic segmentation, etc.
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A few days ago, I wrote a blog post about how to implement a desktop barcode reader application using Qt and C++. The application only supports still image mode. In this article, I am going to add a webcam support to empower the application to scan barcodes in real time.
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No matter which edition of Dynamsoft Barcode SDK you use, the underlying algorithm interfaces are all implemented in C/C++. To evaluate Dynamsoft barcode SDK precisely, you’d better get started with the C++ libraries. However, there is only a command-line sample available in ...
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Qt Designer is a Qt tool for building cross-platform graphical user interfaces (GUIs) with Qt widgets. In this article, I will use the Qt designer to create an advanced GUI Python barcode and QR code reader with Dynamsoft Python Barcode SDK for Windows, Linux, macOS, and Rasp ...
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If you want to build a cross-platform GUI app with Python and Qt, you can either use PyQt or PySide. Both of them are Qt bindings for Python. The main difference is the license: PyQt5 is released under GPL or commercial, whereas PySide2 is released under LGPL. Since PySide2 i ...
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In my previous article, I shared how to use PyQt and Dynamsoft Barcode Reader to create a simple Windows-styled GUI app to read barcodes from image files. Now I am going to add a little bit more code to scan barcodes from the webcam video stream.
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Qt for Python enables developers to quickly create GUI apps on Windows, Linux and macOS with one codebase. In this article, I will share how to build a Python barcode reader with Qt on Windows. Since Dynamsoft Barcode Reader SDK is also cross-platform, it is easy for you to r ...