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PyQt VS Dlib

Compare PyQt VS Dlib and see what are their differences

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PyQt logo PyQt

Riverbank | Software | PyQt | What is PyQt?

Dlib logo Dlib

Dlib is a modern C++ toolkit containing machine learning algorithms & tools for creating complex software in C++ to solve real world problem
  • PyQt Landing page
    Landing page //
    2021-10-18
  • Dlib Landing page
    Landing page //
    2019-11-25

PyQt features and specs

  • Comprehensive UI library
    PyQt provides a wide range of UI components, from basic widgets to advanced tools. This allows for the creation of highly sophisticated interfaces.
  • Cross-platform
    Applications built with PyQt can run on different operating systems such as Windows, macOS, and Linux without requiring significant changes in the code.
  • Integration with Qt Designer
    Developers can use Qt Designer to design and implement their UIs visually, which can then be seamlessly integrated with Python code in PyQt.
  • Powerful event handling
    PyQt includes a highly efficient event handling system that makes it easy to manage user interactions and system events.
  • Good documentation and community support
    PyQt is well-documented, and there's a large community of developers who can provide support and share resources.
  • Python-specific advantages
    Leveraging Python's simplicity and readability, PyQt allows for rapid development and easy maintenance of applications.

Possible disadvantages of PyQt

  • License considerations
    PyQt is available under the GPL and a commercial license. If you want to create proprietary software without open-sourcing your code, you need to purchase a commercial license.
  • Steep learning curve
    While PyQt is powerful, it can have a steep learning curve for newcomers, particularly those who are not familiar with Qt and its paradigms.
  • Performance overhead
    Being a binding for Qt, some operations may have extra overhead compared to native Qt applications written in C++.
  • Dependency on external libraries
    PyQt relies on the Qt library, which means that you have to manage and distribute these dependencies along with your application.
  • Large binary sizes
    Applications created with PyQt can result in relatively large binary sizes because of the included Qt binaries.
  • Fragmentation of tools
    There can be fragmentation concerns, as PyQt must stay in sync with Qt, and different versions of Qt may introduce changes that are not immediately reflected in PyQt.

Dlib features and specs

  • Open Source
    Dlib is open source, which means it is free to use and contributions can be made by the community to enhance its features and performance.
  • Robust Machine Learning Tools
    Dlib offers a wide range of machine learning algorithms, and tools which are useful for various applications including facial recognition and object detection.
  • Cross-Platform Compatibility
    Dlib supports multiple platforms such as Windows, macOS, and Linux, ensuring versatility and ease of deployment across different operating systems.
  • Highly Optimized
    The library is highly optimized for performance, leveraging C++ for speed-critical components while providing Python bindings for ease of use.
  • Comprehensive Documentation
    Dlib offers extensive documentation and a variety of examples, making it easier for developers to understand how to implement its features.

Possible disadvantages of Dlib

  • Steep Learning Curve
    For beginners, understanding and leveraging the full capabilities of Dlib can be challenging due to its comprehensive and broad range of features.
  • Limited Community Support
    While not as large as some other libraries like TensorFlow or PyTorch, the community support for Dlib is more limited.
  • Lack of High-Level Features
    Compared to other more modern libraries, Dlib is sometimes criticized for lacking high-level features and user-friendly APIs.
  • Resource Intensive
    Some functionalities, particularly those related to deep learning and image processing, can be resource-intensive and require significant computational power.
  • Sparse Updates
    Dlib may not receive updates as frequently as other more actively maintained libraries, which might delay bug fixes and new feature additions.

Analysis of PyQt

Overall verdict

  • PyQt is considered a good choice for developers looking to create robust, high-performance desktop applications with Python. Its ability to leverage the powerful Qt framework makes it a reliable option for both beginners and experienced developers.

Why this product is good

  • PyQt is a set of Python bindings for the Qt libraries, allowing developers to create cross-platform applications with native look and feel. It provides comprehensive support for building GUI applications and includes an extensive range of modules and functions, making it suitable for both simple and complex projects. Additionally, it benefits from a large and active community, extensive documentation, and commercial support from Riverbank Computing.

Recommended for

  • Developers looking for cross-platform GUI toolkits
  • Projects that require a modern, native look and feel
  • Development teams requiring robust commercial support
  • Python developers interested in leveraging a well-documented and extensive framework

PyQt videos

Python Top 3 GUI Frameworks In 2019 (PyQt5, wxPython, TKinter)

More videos:

Dlib videos

Face Recognition with Dlib in Python

More videos:

Category Popularity

0-100% (relative to PyQt and Dlib)
Rapid Application Development
Data Science And Machine Learning
Development Tools
100 100%
0% 0
Data Science Tools
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare PyQt and Dlib

PyQt Reviews

25 Python Frameworks to Master
PyQt is one of the most popular sets of Python bindings for the Qt cross-platform application framework. This framework perfectly combines the simplicity of Python as a general-purpose language and the powerful Qt application framework built in C++.
Source: kinsta.com
Which Python GUI library should you use? Comparing the Python GUI libraries available in 2023
Before the Qt Company (under Nokia) released the officially supported PySide library in 2009, Riverbank Computing had released PyQt in 1998. The main difference between these two libraries is in licensing. The free-to-use version of PyQt is licensed under GNU General Public License (GPL) v3 but PySide is licensed under GNU Lesser General Public License (LGPL). This means...
10 Best Python Libraries for GUI
Developed by Riverbank Computing, PyQt5 is one of the most popular Python frameworks for GUI. The PyQt package is built around the Qt framework, which is a cross-platform framework used for creating various applications on different platforms.
Source: www.unite.ai
Top 10 Python GUI Frameworks for Developers
When it comes to creating GUIs, the PyQt5 arsenal offers the impressive QtGui and the QtDesigner module, which provide numerous visual elements that the developer can implement with a simple drag and drop. Of course, the option of creating these elements by code also exists, allowing you to create both small-scale as well as large-scale applications with ease. Pythonโ€™s...

Dlib Reviews

10 Python Libraries for Computer Vision
Dlib is a versatile library that excels in face detection, facial landmark detection, image alignment, and more. It offers pre-trained models and tools for various machine learning tasks, making it a valuable asset for computer vision projects requiring accurate facial analysis.
Source: clouddevs.com
Top 8 Alternatives to OpenCV for Computer Vision and Image Processing
Dlib is a modern C++ toolkit containing machine learning algorithms and tools for developing complex software in C++ to solve real-world problems. Dlib is widely used in several sectors such as academia, government, and industry. It offers support for several computer vision algorithms such as object detection, face detection, and clustering.
Source: www.uubyte.com

Social recommendations and mentions

Based on our record, Dlib should be more popular than PyQt. It has been mentiond 17 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

PyQt mentions (4)

  • Python vs. JavaScript: Is It a Fair Comparison?
    JavaScript is a clear winner in the category of mobile development. There are some niche frameworks to do mobile development with Pythonโ€”like Kivy and PyQTโ€”but pretty much nobody uses them. - Source: dev.to / about 4 years ago
  • what would be the best looking GUI framework to develop a desktop python application? (other than Tkinter)
    If none of those are to your liking, you can use PyQT (or Pyside) but the learning curve is much steeper. Source: over 4 years ago
  • Is there a "Windows Forms" GUI designer for Python?
    Also, there is the PyQt module which is a comprehensive set of Python bindings for the Qt GUI. It has Qt Designer. Source: almost 5 years ago
  • Best way to install qutebrowser?
    As for PyQt, that's developed entirely independently from Qt (by Riverbank Computing). The major/minor versions usually line up with the respective Qt releases (since the Qt release introduces new APIs, so a new PyQt release is needed to expose those to Python). However, it's versioned independently, and a new patch release of PyQt might be needed before/without Qt releasing a new patch release. For more details,... Source: over 5 years ago

Dlib mentions (17)

  • 32 years old. HRT in April or May. Things I can do to maximize results and what to expect.
    The apparent gender estimates from photos are using dlib, and I really ought to get what I'm doing cleaned up in such a way that other people can use it easily. Source: over 3 years ago
  • C++ for machine learning
    Additionally, C++ may be used for extremely high levels of optimization even for cloud-based ML. Dlib and Kaldi are C++ libraries used as dependencies in Python codebases for computer vision and audio processing, for example. So if your application requires you to customize any functions similar to those libraries, then you'll need C++ knowhow. Source: over 3 years ago
  • What programming language should I learn after C++ for Audio DSP?
    If you know C++, you don't need anything else. Go and learn APIs for C++ libraries. If you're into DSP, why not study Dlib?. Source: over 3 years ago
  • Exponential vs linear progress?
    The data is mostly in this spreadsheet. The apparently facial gender estimates are made with Dlib. The mental health assessments are from Beck's Depression Inventory and the Snaith-Hamilton Pleasure Scale. The graph is made with gnuplot. Source: over 3 years ago
  • Flutter OpenCV and dlib for face detector & recognition
    The plugin uses dlib library with a very fast HOG detector for both face recognition and detector following the relative examples. Source: almost 4 years ago
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What are some alternatives?

When comparing PyQt and Dlib, you can also consider the following products

Tkinter - Tkinter is a Python wrapper for Tcl/Tk that offers classes to create various graphical user interfaces.

OpenCV - OpenCV is the world's biggest computer vision library

PySimpleGUI - A simple to use GUI that can create custom GUIs

PyTorch - Open source deep learning platform that provides a seamless path from research prototyping to...

GTK - GTK+ is a multi-platform toolkit for creating graphical user interfaces.

Face Recognition - Face Recognition is an app that is used for testing different facial recognition methods such as Caffe and Neural Networks to name a few.