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OpenCV VS C++

Compare OpenCV VS C++ and see what are their differences

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LibHunt tracks mentions of software libraries on relevant social networks. Based on that data, you can find the most popular projects and their alternatives. featured
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OpenCV logo OpenCV

OpenCV is the world's biggest computer vision library

C++ logo C++

Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
  • OpenCV Landing page
    Landing page //
    2023-07-29
  • C++ Landing page
    Landing page //
    2023-08-01

We recommend LibHunt C++ for discovery and comparisons of trending C++ projects.

OpenCV features and specs

  • Comprehensive Library
    OpenCV offers a wide range of tools for various aspects of computer vision, including image processing, machine learning, and video analysis.
  • Cross-Platform Compatibility
    OpenCV is designed to run on multiple platforms, including Windows, Linux, macOS, Android, and iOS, which makes it versatile for development across different environments.
  • Open Source
    Being open-source, OpenCV is freely available for use and allows developers to inspect, modify, and enhance the code according to their needs.
  • Large Community Support
    A large community of developers and researchers actively contributes to OpenCV, providing extensive support, tutorials, forums, and continuously updated documentation.
  • Real-Time Performance
    OpenCV is highly optimized for real-time applications, making it suitable for performance-critical tasks in various industries such as robotics and interactive installations.
  • Extensive Integration
    OpenCV can easily be integrated with other libraries and frameworks such as TensorFlow, PyTorch, and OpenCL, enhancing its capabilities in deep learning and GPU acceleration.
  • Rich Collection of examples
    OpenCV provides a large number of example codes and sample applications, which can significantly reduce the learning curve for beginners.

Possible disadvantages of OpenCV

  • Steep Learning Curve
    Due to the vast array of functionalities and the complexity of some of its advanced features, beginners may find it challenging to learn and use effectively.
  • Documentation Gaps
    While the documentation is extensive, it can sometimes be incomplete or outdated, requiring users to rely on community forums or external sources for solutions.
  • Resource Intensive
    Some functions and algorithms in OpenCV can be quite resource-intensive, requiring significant processing power and memory, which can be a limitation for low-end devices.
  • Limited High-Level Abstractions
    OpenCV provides a wealth of low-level functions, but it may lack higher-level abstractions and frameworks, necessitating more hands-on coding and algorithm development.
  • Dependency Management
    Setting up and managing dependencies can be cumbersome, especially when integrating OpenCV with other libraries or on certain operating systems.
  • Backward Compatibility Issues
    With frequent updates and new versions, backward compatibility can sometimes be problematic, potentially breaking existing code when updating.

C++ features and specs

  • Performance
    C++ is known for its high performance which is critical in resource-constrained applications such as gaming, real-time systems, and simulations.
  • Control
    C++ offers fine-grained control over system resources such as memory and CPU, allowing for efficient and optimized code.
  • Object-Oriented Programming (OOP)
    C++ supports OOP, which helps in organizing complex software projects through classes and objects, encouraging code reusability and modularity.
  • Standard Template Library (STL)
    C++ includes the Standard Template Library (STL) that provides a set of common classes and algorithms, enhancing productivity and reducing the need for writing boilerplate code.
  • Backward Compatibility
    C++ is largely compatible with C, offering the flexibility to use C libraries and code, making it easier to integrate with existing C systems.
  • Rich Community and Ecosystem
    The large and active C++ community provides extensive resources, libraries, and frameworks that can aid in development and problem-solving.

Possible disadvantages of C++

  • Complexity
    C++ is a complex language with many features that can be difficult to master, leading to a steep learning curve for beginners.
  • Manual Memory Management
    C++ requires manual management of memory which can lead to errors such as memory leaks and segmentation faults if not handled correctly.
  • Lack of Modern Features
    While C++ has been updated over the years, it still lacks some modern programming features available in newer languages, which can limit productivity and ease of use.
  • Maintenance
    Maintaining C++ code can be challenging and time-consuming due to its complex syntax and potential for low-level operations.
  • Slower Compilation
    C++ programs often have slower compile times compared to those written in some other high-level languages, which can slow down the development process.
  • Portability Issues
    Despite being a general-purpose language, C++ code can face portability issues across different platforms due to compiler differences and system-specific dependencies.

OpenCV videos

+ Add

AI Courses by OpenCV.org

More videos:

  • Review - Practical Python and OpenCV

C++ videos

+ Add

C++ Programming | In One Video

More videos:

  • Review - C++ Programming
  • Tutorial - C++ Tutorial for Beginners - Full Course

Category Popularity

0-100% (relative to OpenCV and C++)

OpenCV

C++

Data Science And Machine Learning
100 100%
Data Science And Machine Learning
0% 0
Programming Language
0 0%
Programming Language
100% 100
Data Science Tools
100 100%
Data Science Tools
0% 0
OOP
0 0%
OOP
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 OpenCV and C++

OpenCV Reviews

7 Best Computer Vision Development Libraries in 2024
From the widespread adoption of OpenCV with its extensive algorithmic support to TensorFlow's role in machine learning-driven applications, these libraries play a vital role in real-world applications such as object detection, facial recognition, and image segmentation.
Source: www.labellerr.com
10 Python Libraries for Computer Vision
OpenCV is the go-to library for computer vision tasks. It boasts a vast collection of algorithms and functions that facilitate tasks such as image and video processing, feature extraction, object detection, and more. Its simple interface, extensive documentation, and compatibility with various platforms make it a preferred choice for both beginners and experts in the field.
Source: clouddevs.com
Top 8 Alternatives to OpenCV for Computer Vision and Image Processing
OpenCV is an open-source computer vision and machine learning software library that was first released in 2000. It was initially developed by Intel, and now it is maintained by the OpenCV Foundation. OpenCV provides a set of tools and software development kits (SDKs) that help developers create computer vision applications. It is written in C++, but it supports several...
Source: www.uubyte.com
Top 8 Image-Processing Python Libraries Used in Machine Learning
These are some of the most basic operations that can be performed with the OpenCV on an image. Apart from this, OpenCV can perform operations such as Image Segmentation, Face Detection, Object Detection, 3-D reconstruction, feature extraction as well.
Source: neptune.ai
5 Ultimate Python Libraries for Image Processing
Pillow is an image processing library for Python derived from the PIL or the Python Imaging Library. Although it is not as powerful and fast as openCV it can be used for simple image manipulation works like cropping, resizing, rotating and greyscaling the image. Another benefit is that it can be used without NumPy and Matplotlib.
Source: towardsdatascience.com

C++ Reviews

We have no reviews of C++ yet.
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Social recommendations and mentions

OpenCV might be a bit more popular than C++. We know about 60 links to it since March 2021 and only 56 links to C++. 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.

OpenCV mentions (60)

  • Grasping Computer Vision Fundamentals Using Python
    To aspiring innovators: Dive into open-source frameworks like OpenCV or PyTorch, experiment with custom object detection models, or contribute to projects tackling bias mitigation in training datasets. Computer vision isn’t just a tool, it’s a bridge between the physical and digital worlds, inviting collaborative solutions to global challenges. The next frontier? Systems that don’t just interpret visuals, but... - Source: dev.to / 4 days ago
  • Top Programming Languages for AI Development in 2025
    Ideal For: Computer vision, NLP, deep learning, and machine learning. - Source: dev.to / 17 days ago
  • Why 2024 Was the Best Year for Visual AI (So Far)
    Almost everyone has heard of libraries like OpenCV, Pytorch, and Torchvision. But there have been incredible leaps and bounds in other libraries to help support new tasks that have helped push research even further. It would be impossible to thank each and every project and the thousands of contributors who have helped make the entire community better. MedSAM2 has been helping bring the awesomeness of SAM2 to the... - Source: dev.to / 5 months ago
  • 20 Open Source Tools I Recommend to Build, Share, and Run AI Projects
    OpenCV is an open-source computer vision and machine learning software library that allows users to perform various ML tasks, from processing images and videos to identifying objects, faces, or handwriting. Besides object detection, this platform can also be used for complex computer vision tasks like Geometry-based monocular or stereo computer vision. - Source: dev.to / 6 months ago
  • F1 FollowLine + HSV filter + PID Controller
    This library is used for image and video processing, offering functions for tasks like object detection, filtering, and transformations in computer vision. - Source: dev.to / 8 months ago
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C++ mentions (56)

  • Distributed Systems: Challenges, Experiences and Tips
    About 4 months ago (approximately the last time I wrote something here), I opted to embark on a graduate school journey at Stony Brook University, Computer Science (if you have a remote position — Technical Writer and/or Software Engineer position — at a non-USA company, don't hesitate to reach out). Was it the best decision to make considering less pay (if any), more theoretical undertakings and assumptions, and... - Source: dev.to / over 1 year ago
  • Any opinion about tutorialspoint? Getting apparently wrong results
    Full of wrong and/or incomplete information. I prefer cplusplus.com when I need to look up some library details. Source: almost 2 years ago
  • Learning DSA from scratch : The Ultimate Guide
    For C++ I would suggest using cplusplus.com. Fantastic resource to use. Source: almost 2 years ago
  • Things that i should know before gettting into Data Structures and Algorithms??
    C++ was far from my first language. I took Modula-2 and FORTRAN in school. I knew about pointers, linked lists, etc before writing my first line of C++. I think the best way to learn is just to work on projects that interest you. Get familiar with online resources. I like cplusplus.com and cppreference.com (can get a little verbose). I'm also a big fan of w3schools.com. They have a good C++ tutorial for beginners. Source: almost 2 years ago
  • Help
    I second this. cplusplus.com will pop up on your searches, I just blocked it. Loaded with ads and slow, and almost always less thorough than cppreference. I found geeksforgeeks OK when learning algorithms - not so much the language itself though. Source: almost 2 years ago
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What are some alternatives?

When comparing OpenCV and C++, you can also consider the following products

Scikit-learn - scikit-learn (formerly scikits.learn) is an open source machine learning library for the Python programming language.

Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

Pandas - Pandas is an open source library providing high-performance, easy-to-use data structures and data analysis tools for the Python.

Go Programming Language - Go, also called golang, is a programming language initially developed at Google in 2007 by Robert...

NumPy - NumPy is the fundamental package for scientific computing with Python

Rust - A safe, concurrent, practical language

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