需要 openSUSE Tumbleweed ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/KDE:Qt:5.9/openSUSE_Tumbleweed/KDE:Qt:5.9.repo
zypper refresh
zypper install opencv
需要 openSUSE Leap 42.3 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/KDE:Qt:5.9/openSUSE_Leap_42.3/KDE:Qt:5.9.repo
zypper refresh
zypper install opencv
需要 openSUSE Leap 15.0 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/KDE:Qt:5.9/openSUSE_Leap_15.0/KDE:Qt:5.9.repo
zypper refresh
zypper install opencv