Emerald

Enterprise Media Repository and Library for Distribution (EMERALD) is the DHS-wide enterprise solution for public affairs imagery.面向分发的企业媒体资源库与馆藏系统（Enterprise Media Repository and Library for Distribution，简称EMERALD）是覆盖美国国土安全部（Department of Homeland Security，DHS）全部门的公共事务影像类企业级解决方案。