Abstract:
Methods and apparatus are provided for obtaining a service is provided. Information about an external device is received at a terminal from the external device. It is determined whether the external device has been registered based on the information about the external device. Service information associated with the external device is provided when at least the external device has been registered.
Abstract:
An X-ray apparatus including an X-ray source configured to radiate X-rays; a collimator configured to adjust an irradiation region of X-rays radiated from the X-ray source; an image acquirer configured to acquire an image by imaging an object; and a controller configured to detect, in the image, a marker projected on the object by the collimator, and to determine a source to object distance (SOD) based on a location of the marker in the image, wherein the SOD comprises a distance between the X-ray source and the object.
Abstract:
A recommendation server is provided. The recommendation server includes a communicator configured to receive, from a first device, when a first user's input for communicating with a second user is received by the first device of the first user, a transmission request with respect to a list of a plurality of items of content related to an operation of the first device which was performed when the first user and the second user met each other; and a controller configured to determine a time when the first user and the second user met each other, based on at least one of first user's activity information of the first user and second user's activity information of the second user, and to provide, to the first device, a list of a plurality of items of content related to an operation of the first device which was performed at the determined time.