10

8

6

4

2


10.0

9.7
OpenCV

9.9

8.8
tesseract-ocr

8.5

7.5
OpenMVG (open Multiple View Geometry)

7.5

9.9
VTK

6.9

9.2
OpenImageIO

6.7

9.2
OpenEXR

21 Image Processing libraries and projects

  • OpenCV

    10.0 9.7 L1 C++
    Open source computer vision. [BSD]

  • tesseract-ocr

    9.9 8.8 L1 C++
    An OCR engine. [Apache2]

  • OpenMVG (open Multiple View Geometry)

    8.5 7.5 C++
    Promoting 3d reconstruction from images through multiple-view geometry algorithms and ready to use pipelines.

  • VTK

    7.5 9.9 L1 C++
    Open-source, freely available software system for 3D computer graphics, image processing and visualization. [BSD]

  • OpenImageIO

    6.9 9.2 L1 C++
    Powerful image and texture wrangling library with support for a wide number of common lossy and RAW formats. [Modified BSD]

  • OpenEXR

    6.7 9.2 L1 C++
    Cross-platform library for high dynamic range imaging. [Modified BSDF]

  • ITK

    6.4 9.5 L2 C++
    An open-source, cross-platform system for image analysis. [Apache2 from ITK 4.0]

  • Magick++

    6.2 5.2 Go
    ImageMagick program interfaces for C++. [Apache2]

  • CImg

    5.8 9.2 C++
    A small, open source, C++ toolkit for image processing. [Own LGPL or GPL]

  • GD

    5.2 5.8 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++

    5.2 0.0 L2 C++
    A C++14 high performance video and image processing library. [MIT]

  • VIGRA

    4.7 3.2 L1 C++
    A generic C++ computer vision library for image analysis. [MIT X11]

  • libvips

    4.4 5.0 L3 C
    A fast image processing library with low memory needs. [LGPL] website

  • SVG++

    4.2 2.7 L3 C++
    The most advanced SVG reading library for C++

  • hiptext

    4.2 0.0 L3 C++
    Turn images into text better than caca/aalib

  • GDCM

    4.0 8.6 L1 C++
    Grassroots DICOM library.

  • Boost.GIL

    3.3 8.3 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 8.7 C++
    Text encoding for modern C++

  • DCMTK

    - -
    DICOM Toolkit.

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