22 Image Processing libraries and projects

  • OpenCV

    10.0 9.8 L1 C++
    Open source computer vision. [BSD]
  • tesseract-ocr

    9.9 9.6 L1 C++
    An OCR engine. [Apache2]
  • Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
    Sponsored scoutapm.com
  • OpenMVG (open Multiple View Geometry)

    8.6 4.7 C++
    Promoting 3d reconstruction from images through multiple-view geometry algorithms and ready to use pipelines.
  • libvips

    8.5 9.4 L3 C
    A fast image processing library with low memory needs. [LGPL] website
  • VTK

    7.6 0.0 L1 C++
    Open-source, freely available software system for 3D computer graphics, image processing and visualization. [BSD]
  • OpenImageIO

    6.9 9.0 L1 C++
    Powerful image and texture wrangling library with support for a wide number of common lossy and RAW formats. [Modified BSD]
  • OpenEXR

    6.8 8.8 L1 C
    Cross-platform library for high dynamic range imaging. [Modified BSDF]
  • ITK

    6.4 9.6 L2 C++
    An open-source, cross-platform system for image analysis. [Apache2 from ITK 4.0]
  • Magick++

    6.1 0.0 Go
    ImageMagick program interfaces for C++. [Apache2]
  • CImg

    5.8 9.1 C++
    A small, open source, C++ toolkit for image processing. [Own LGPL or GPL]
  • GD

    5.4 4.4 L2 C
    GD Graphics Library, famously used in PHP for image loading/manipulation & thumbnail generation. [custom permissive license, requires mention in user docs] website
  • Video++

    5.1 0.0 L2 C++
    A C++14 high performance video and image processing library. [MIT]

    4.6 1.5 L1 C++
    A generic C++ computer vision library for image analysis. [MIT X11]
  • hiptext

    4.3 0.0 L3 C++
    Turn images into text better than caca/aalib
  • SVG++

    4.0 0.7 L3 C++
    The most advanced SVG reading library for C++
  • GDCM

    3.9 8.2 L1 C++
    Grassroots DICOM library.
  • Boost.GIL

    3.4 7.6 L3 C++
    Generic Image Library.
  • CxImage

    3.2 0.0 L1 C++
    An image processing and conversion library to load, save, display, transform BMP, JPEG, GIF, PNG, TIFF, MNG, ICO, PCX, TGA, WMF, WBMP, JBG, J2K images. [zlib]
  • FreeImage

    2.3 0.0 L2 C
    An open source library that supports popular graphics image formats and others as needed by today's multimedia applications. [GPL2 or GPL3]
  • Lingo

    1.5 1.7 C++
    Text encoding for modern C++
  • ULIS

    1.5 0.0 C++
    Utility Library For Imaging Systems

    DICOM Toolkit.

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