1. An image processing apparatus of a mobile terminal, the apparatus comprising: a camera module configured to receive images or video captured by at least a pair of cameras installed in the mobile terminal; a display unit; a communication unit configured to exchange information with a remote device; an encoder; and a controller operatively connected to the camera module, the display unit, the encoder and the communication unit, the controller configured to convert the images or video received by the camera module into a three-dimensional (3D) image or a 3D video, respectively; determine whether or not the communication unit is connected to the remote device via a connection configured to stream data; and one of encode the 3D image or 3D video with the encoder and transmit the encoded 3D image or 3D video to the remote device if the communication unit is determined to be connected to the remote device via a connection not configured to stream data, and transmit the 3D image or 3D video to the remote device if the communication unit is determined to be connected to the remote device via the connection configured to stream data.