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今天主要还是探索opencv的并行化加速问题,通过cmake发现有配置的选项 即WITH_IPP WITH_TBB WITH_OPENMP
测试了勾选WITH_TBB WITH_OPENMP发现程序并没有加速,通过opencv_core/src/parallel.cpp发现这两个选项可能是互斥的 需要再确认
①尝试配置opencv无果,现在的主要想法是把SIFT的相关代码拿出来进行优化
CV_EXPORTS_W
is defined in modules/core/include/opencv2/core/types_c.h as alias for CV_EXPORTS. it‘s alias for __declspec(dllexport) on Windows platform where CVAPI_EXPORTS is defined, otherwise it‘s empty.
CV_WARP
is used as flag for scripts to create wrappers of the function or method. It is used for creation Python or Java wrappers.
也可参考 此文
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原文地址:http://www.cnblogs.com/alston2016/p/5843794.html