1. A multi display apparatus, comprising: a first body comprising a first display; a second body comprising a second display; a hinge to connect the first and second bodies to each other; a first imaging unit provided on the first body and having a first recognition range; a second imaging unit provided on the second body and having a second recognition range; and a controller to recognize a user's gesture using a plurality of images photographed at the first and second imaging units, and perform a corresponding control operation in response to the recognized user gesture, the controller recognizing the user's gesture within an overlapping range between the first recognition range and the second recognition range, using a direction of movement of a user object moving in the first recognition range and a direction of movement of the user object moving in the second recognition range.