LOS ANGELES, April 15 (UPI) -- The Shrouds , in theaters Friday, boasts an intriguing premise from writer/director David Cronenberg. The film's ambiguous resolution, however, is more anticlimactic than provocative. Vincent Cassel stars as Karsh, a widower who developed a unique technology after his wife's death. At the cemetery he runs and co-owns, the dead are wrapped in high-tech shrouds that allow mourners to view their loved one's body in the grave using screens in the tombstone. Karsh's