matchmoving
n.— «Gabel, 38, worked on what is called “matchmoving,” a precision process to embed computer animation into the live-action footage. “It has to be seamless and move as one object,” Gabel said. “If it’s not exact, it will leap out. It’s amazing how little the room for error.”» —“Locals share Emmy spotlight” by Edward Hill Goldstream News Gazette (Victoria, British Columbia) July 21, 2006. (source: Double-Tongued Dictionary)