What name is given to the 16th century Vatican campaign to hide nudity in art?

In 1563 the Council of Trent, the ecumenical council of the Catholic Church, put forward new guidance regarding the nudity on display in artworks that adorned places of worship and public spaces. In 1564 the council released a decree that said that “pictures in the Apostolic Chapel should be covered over, and those in other churches should be destroyed, if they display anything that is obscene or clearly false”.