在ubuntu下编译opencv程序后,执行报下面到错误:error while loading shared libraries: libopencv_core.so.2.4: cannot open shared object file: No such file or directory解决方法:找到libopencv_开头到库的目录,在/usr/local/lib下面,在/etc/ld.so.conf.d/下面新建一个opencv.conf,里面写入/usr/local/lib,最后执行