The php-opencv library, a PHP 7 module for calling OpenCV methods, was found on GitHub.
OpenCV is a cross-platform computer vision library released under the BSD license (open source) and can run on Linux, Windows, Android and Mac OS on the system. (Recommended learning: PHP video tutorial)
OpenCV is written in C language, and its main interface is also C language, but it still retains a large number of C language interfaces.
The library also has a large number of interfaces for Python, Java and MATLAB/OCTAVE (version 2.5). API interface functions for these languages can be obtained through online documentation. Now it also provides support for C#, Ch, Ruby, and GO.
All new developments and algorithms use C interface. A GPU interface using CUDA was also implemented in September 2010.
OpenCV was established by Intel in 1999 and is now powered by Willow Garage.
It is lightweight and efficient - it consists of a series of C functions and a small number of C classes. It also provides interfaces in Python, Ruby, MATLAB and other languages, and implements many common algorithms in image processing and computer vision. . The latest version is 3.4, released on December 23, 2017.
OpenCV has a cross-platform mid- and high-level API including more than 500 C functions. It has no dependencies on other external libraries - although some can be used.
OpenCV provides a transparent interface for Intel® Integrated Performance Primitives (IPP). This means that if there are IPP libraries optimized for a specific processor, OpenCV will automatically load these at runtime.
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