Open source computer vision. [BSD]

OpenCV alternatives and similar libraries

Based on the "Image Processing" category.
Alternatively, view OpenCV alternatives based on common mentions on social networks and blogs.

• tesseract-ocr

  9.9 9.6 L1 OpenCV VS tesseract-ocr

  An OCR engine. [Apache2]

• OpenMVG (open Multiple View Geometry)

  8.6 4.7 OpenCV VS OpenMVG (open Multiple View Geometry)

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

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• libvips

  8.5 9.4 L3 OpenCV VS libvips

  A fast image processing library with low memory needs. [LGPL] website

• VTK

  7.6 0.0 L1 OpenCV VS VTK

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

• OpenImageIO

  6.9 9.0 L1 OpenCV VS OpenImageIO

  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 OpenCV VS OpenEXR

  Cross-platform library for high dynamic range imaging. [Modified BSDF]

• ITK

  6.4 9.6 L2 OpenCV VS ITK

  An open-source, cross-platform system for image analysis. [Apache2 from ITK 4.0]

• Magick++

  6.1 0.0 OpenCV VS Magick++

  ImageMagick program interfaces for C++. [Apache2]

• CImg

  5.8 9.1 OpenCV VS CImg

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

• GD

  5.4 4.4 L2 OpenCV VS GD

  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 OpenCV VS Video++

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

• VIGRA

  4.6 1.5 L1 OpenCV VS VIGRA

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

• hiptext

  4.3 0.0 L3 OpenCV VS hiptext

  Turn images into text better than caca/aalib

• SVG++

  4.0 0.7 L3 OpenCV VS SVG++

  The most advanced SVG reading library for C++

• GDCM

  3.9 8.2 L1 OpenCV VS GDCM

  Grassroots DICOM library.

• Boost.GIL

  3.4 7.6 L3 OpenCV VS Boost.GIL

  Generic Image Library.

• CxImage

  3.2 0.0 L1 OpenCV VS CxImage

  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 OpenCV VS FreeImage

  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 OpenCV VS Lingo

  Text encoding for modern C++

• ULIS

  1.5 0.0 OpenCV VS ULIS

  Utility Library For Imaging Systems

• DCMTK

  - OpenCV VS DCMTK

  DICOM Toolkit.

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Popular Comparisons

• OpenCV
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