Install And Run OpenCV On Mac

Learn from website:https://sites.google.com/site/yonasstephenfyp2013/updates/tutorialinstallingopencvonmacosxmountainlionDownload opencv-4.0.1 compressed file and extract it, then go into it and build project. mkdir opencv_build cd opencv_build cmake -G “Unix Makefiles” ../ Generate Makefile successfully: — Found JNI: /Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/JavaVM.framework — Found VTK 8.1.1 (/usr/local/lib/cmake/vtk-8.1/UseVTK.cmake) — Looking for dlerror in dl — Looking for dlerror in dl – Read more…

Shell Script Practice Set 1

notes ${} å’Œ $[] $[expression] can calculate easily. ${expression} can tell us the value of a element in array. eg val1=23 val2=24 echo $val1+$val2 echo $[$val1+$val2] #it is equal to `echo $(( $val1+$val2 )` [edemon@CentOS workspace]$ ./incalc.sh 23+24 47 assign values to array. array=(`echo {1..10}`) echo ${array[0]}” “${array[9]} [edemon@CentOS workspace]$ Read more…

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