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freetype,harfbuzz,opencv-contribute编译https://blog.youkuaiyun.com/hensonwells/article/details/123085406参考上述链接,编译OpenCV的过程中,因为一个众所周知的原因导致第三方库下载出错,`IPPICV: Download: ippicv_2020_win_intel64_20191018_general.zipTry 1 failedCMake Warning at cmake/OpenCVDownlo

http://hahack.com/wiki/opencv-image.html

http://www.pyimagesearch.com/2015/07/20/install-opencv-3-0-and-python-3-4-on-ubuntu/A couple weeks ago I provided step-by-step install instructions to setup OpenCV 3.0 and Pyth