Install:
Taken from: https://forum.remirepo.net/viewtopic.php?pid=11390#p11390
Enable remi repo, enable epel repo, :
# yum install https://mirrors.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm # vim /etc/yum.repos.d/rpmfusion-free-updates.repo # yum install ImageMagick7-heic