Package: livecd-tools

"livecd-tools" package binaries on CentOS:

/usr/bin/image-creator /usr/bin/livecd-creator /usr/bin/livecd-iso-to-disk /usr/bin/livecd-iso-to-pxeboot /usr/bin/liveimage-mount /usr/bin/mkbiarch /usr/bin/mkefiboot

You may install this package on CentOS with yum install livecd-tools