Abstract: A digital content transmission apparatus, method and medium, and a digital content reception apparatus, method and medium enable multimedia content, extracted according to the location and time of a transmitting mobile terminal, and alphanumeric text, to be combined into a single message sent to a receiving mobile terminal, thereby allowing a user of the transmitting mobile terminal to reflect the circumstances facing the user in the message. The digital content transmission apparatus includes an input module to receive an alphanumeric message, a state searching module to search for time information and location information of the message, a control module to extract a serial number of a first multimedia content corresponding to the time information and the location information, and a communication module to transmit data into which the message and the extracted serial number are combined.

Abstract: A voice-controllable display apparatus is provided. The display apparatus includes a display unit which displays a plurality of icons on a screen, a control unit which controls the display unit to display identifiers corresponding the plurality of icons, the identifiers being assigned to the plurality of icons based on a preset standard if a voice recognition starts, and the identifiers being different from each other, and a voice input unit which receives a voice input. The control unit, selects an icon corresponding to the received voice input assigned to the identifier, if a voice input for an arbitrary identifier is received through the voice input unit. Thereby, effective voice control of the apparatus is achieved.

Abstract: A display apparatus includes a motion recognition unit which recognizes a movement of an object located outside the display apparatus, a storage unit which stores therein information about the operation corresponding to each motion; and a control unit which divides a movement recognition period using a movement nonrecognition period, determines a motion corresponding to a movement of the object within the movement recognition period, and performs an operation corresponding to the determined motion according to information stored in the storage unit.

Abstract: An electronic device is provided. The electronic device includes a motion recognition unit which recognizes motion of an object and a control unit which, if a push motion in which the object located in front of the electronic device is moved in a direction of the electronic device is sensed by the motion recognition unit, activates a motion recognition mode, tracks the motion of the object, and performs a control operation of the electronic device corresponding to a subsequent motion of the object. The control unit may inactivate the motion recognition mode if an end motion in which the motion of the object is in a direction to contact a body part of a user or an additional object is recognized by the motion recognition unit while the motion recognition mode is activated.

Abstract: A display apparatus is provided, which includes a motion recognition unit which recognizes a motion of an object that is located outside the display device, and a control unit which, when the motion of the object is recognized, determines a change amount that varies according to a motion speed or a motion distance of the object, and performs an operation which corresponds to the motion of the object according to the change amount. Accordingly, channel change or page shift can be easily performed.

Abstract: A method and an apparatus for providing a user interface in response to a user's motion. The response providing apparatus captures the user in an image frame and stores data corresponding to a predefined user gesture. The response providing apparatus provides the user interface in response to the user's motion using the data with respect to the identified user.

Abstract: A three dimensional (3D) display system is provided, which includes a screen which displays a plurality of objects with different depth values from each other, the plurality of objects having circulating relationship according to the corresponding depth values thereof, a motion detecting unit which senses a user motion with respect to the screen, and a control unit which measures a user motion distance in z-axis direction with respect to the screen according to the user motion, using an output from the motion detecting unit, selects one from among the plurality of objects in accordance with the measured user motion distance in the z-axis direction, controls the depth value of the one selected object so that the one selected object is displayed in front of the plurality of objects on the screen, and controls the depth values of a rest of the plurality of objects according to the circulating relationship.

Abstract: An item selecting apparatus includes a movement detecting unit detecting a movement of a user, a screen displaying image information, a display image storage unit storing data to generate an image to be displayed on the screen, a display image generating unit generating an image to be displayed on the screen, and a control unit controlling so that a plurality of items is displayed on the screen in one of one-, two- and three-dimensional arrangements, in which the control unit receives a signal from the movement detecting unit to measure a movement of the object in at least one of x-, y- and z-axis directions and issues a command to select at least one from among the plurality of items or provides visual feedback thereto, in response to the measured movement of the user and in accordance with the arrangement of the plurality of items on the screen.

Abstract: An image providing apparatus includes: a user location acquisition unit which acquires locations of users; a barrier adjustment unit which adjusts at least one of a space between a display and a barrier screen, a size of a barrier slot, and a left/right movement amount of the barrier slot at least based on a user's location of at least one of the users; an image generation unit which generates an image of which a time point region is adjusted, by the barrier adjustment unit, to the user's location; and an image output unit which outputs the generated image on a display.

Abstract: A digital content transmission apparatus, method and medium, and a digital content reception apparatus, method and medium enable multimedia content, extracted according to the location and time of a transmitting mobile terminal, and alphanumeric text, to be combined into a single message sent to a receiving mobile terminal, thereby allowing a user of the transmitting mobile terminal to reflect the circumstances facing the user in the message. The digital content transmission apparatus includes an input module to receive an alphanumeric message, a state searching module to search for time information and location information of the message, a control module to extract a serial number of a first multimedia content corresponding to the time information and the location information, and a communication module to transmit data into which the message and the extracted serial number are combined.

Abstract: A video communication method includes: acquiring a plurality of 2D images corresponding to a talker using a 3D camera; adjusting a point of convergence of the plurality of 2D images using a feature point of the talker; detecting an object located between the talker and the 3D camera using the acquired plurality of 2D images; scaling an original sense of depth of the detected object to a new sense of depth; and generating a 3D talker image including the object with the new sense of depth and transmitting the 3D talker image to a 3D video communication apparatus of a listener.

Abstract: Provided are a method and an apparatus for generating motion information relating to motion of an object to provide reaction of a user interface to the motion of the object. The method for generating the motion information includes: detecting depth information of the object using an image frame acquired by capturing the object through a sensor; generating the motion information by compensating a determined size of the motion of the object in the acquired image frame based on the detected depth information; and generating an event corresponding to the generated motion information.

Abstract: In an apparatus and method for controlling an interface, a user interface (UI) may be controlled using information on a hand motion and a gaze of a user without separate tools such as a mouse and a keyboard. That is, the UI control method provides more intuitive, immersive, and united control of the UI. Since a region of interest (ROI) sensing the hand motion of the user is calculated using a UI object that is controlled based on the hand motion within the ROI, the user may control the UI object in the same method and feel regardless of a distance from the user to a sensor. In addition, since positions and directions of view points are adjusted based on a position and direction of the gaze, a binocular 2D/3D image based on motion parallax may be provided.

Abstract: Provided are an interactive display apparatus and method for operating an interactive display apparatus, the apparatus including: a capturing unit operable to capture an image including a displayed image which is displayed on a display screen and a light of a pointing device irradiated onto the display screen; a memory which stores the captured image; a detection unit which determines coordinate information for the light of the pointing device irradiated onto the display screen based on the captured image; and a controller which determines whether the light of the pointing device is moved outside of the displayed image based on the coordinate information, and controls the apparatus to perform a predetermined operation from among a plurality of predetermined operations if the light of the pointing device is moved outside of the displayed image.

Abstract: An apparatus, system and method for implementing a video call between a first caller and a second caller are provided. The apparatus includes: an image sensor which captures an image of the first caller; a display which displays an image of the second caller; a microphone which captures an audio input by the first caller; a speaker which outputs an audio input by the second caller; a detector which is configured to determine a location of the first caller; and a controller which controls the detector to determine the location of the first caller as corresponding to an original location, wherein in response to the first caller changing a location from the original location to a new location, the controller controls the detector to determine the location of the first caller as being the new location, and controls the microphone to adjust a configuration of the microphone based on the new location of the first caller.

Abstract: Provided is an apparatus, a method, and a medium for displaying contents according to motions by identifying the direction of a sensed motion and moving the content region in a direction opposite to the identified direction or moving the background region in the identified direction. The apparatus including a motion sensing unit to sense a motion; a display control unit to adjust a position of an image region with reference to a direction of the sensed motion; and a display unit to display a content and a background according to the adjusted position, wherein the image region comprises a content region having the content and a background region having the background.

Abstract: A user location-based display method and apparatus are provided. The display method includes the steps of determining a location of a user relative to a display apparatus, configuring and displaying a screen based on the location of the user, selectively extracting user information based on the location of the user, and changing the displayed screen based on the extracted user information. As a result, a realistic interaction is possible between the display apparatus and the user, and the user is provided with contents in a very effective manner. The user location-based display apparatus includes a location recognizing unit which determines a location of a user relative to the display apparatus. A control unit causes a screen to be configured and displayed based on the location of the user; causes user information to be selectively extracted based on the location of the user, and is configured to cause a displayed screen to be changed based on the extracted user information.

Abstract: Provided are an apparatus and method thereof for recording a presentation. The presentation recording apparatus includes: a projector operable to project an original image of a presentation onto a screen; a camera operable to capture the image of the presentation projected onto the screen and a light of a pointing device which is irradiated onto the screen; a memory; and a controller, wherein if the projector projects the image of the presentation onto the screen, the controller controls the camera to capture the image of the presentation projected onto the screen, determines coordinate information corresponding to a position of the light of the pointing device irradiated onto the screen, and controls the memory to store the original image of the presentation together with the determined coordinate information.

Abstract: Provided are an apparatus, system and method for facilitating a video call between a first caller and a second caller, the apparatus including: an image sensor which captures an image of the first caller; a display which displays an image of the second caller; a microphone which captures audio input by the first caller; a speaker which plays audio input by the second caller; a detector which is operable to determine a location of the first caller; and a controller which controls the detector to determine the location as corresponding to an original location, wherein if the first caller changes from the original location to a new location, the controller controls the detector to determine the location as being the new location and controls the microphone to readjust based on the determined new location of the first caller.

Abstract: An apparatus, method, and medium displaying a stereo image compensates for errors between a left image and a right image to reduce eye fatigue experienced by a user. The apparatus includes a feature-point extractor to extract feature points of graphics objects included in a left image and a right image, of a stereo image, a representative-vector determiner to determine a representative vector among vectors between a predetermined point and the feature points, an error-correction unit to correct at least one of a vertical error and a rotation error between the left image and the right image using a difference between the representative vector determined in the left image and the representative vector determined in the right image, and a display unit to display the left image and the right image for which at least one of the vertical error and the rotation error has been corrected.