Package: openjpeg

"openjpeg" package binaries on CentOS:

/usr/bin/extract_j2k_from_mj2 /usr/bin/frames_to_mj2 /usr/bin/image_to_j2k /usr/bin/j2k_to_image /usr/bin/mj2_to_frames /usr/bin/wrap_j2k_in_mj2

You may install this package on CentOS with yum install openjpeg