Abstract: A method of processing image data is provided. The method includes receiving input image data, determining whether the input image data matches stored image data which is pre-stored in a database, storing, in the database, the input image data which is determined to match the stored image data, and providing the stored image data which is stored in the database.

Abstract: A method for displaying an augmented reality image and an electronic device thereof are provided. A method for displaying an augmented reality image in an electronic device includes comparing a target image with a viewpoint conversion image, the comparison determining matching pairs of a plurality of features of the target image and a plurality of features of the viewpoint conversion image and, if the matching pairs are determined, displaying an augmented reality image of the viewpoint conversion image.

Abstract: A method and an apparatus for controlling screen display in a portable terminal are provided. In the method, whether a screen touch occurs is determined. When the screen touch occurs, whether the screen touch corresponds to a spiral touch is determined using coordinates at which the screen is touched. When the screen touch is the spiral touch, the screen is magnified or reduced.

Abstract: An apparatus and method for multimedia file streaming are provided. In a method for multimedia file streaming in a receiving portable terminal, the method includes determining meta data included in a received packet, generating new meta data having a circular-type media data offset on the basis of the meta data, storing media data included in the packet received in a circular manner according to the media data offset included in the new meta data, and loading the media data stored according to the media data offset included in the new meta data.

Abstract: A method, apparatus, and system track an object in an image or a video. Pose information is extracted using a relation of at least one feature point extracted in a first Region of Interest (RoI). A pose is estimated using the pose information. A secpmd RoI is set using the pose. And the second RoI is estimated using a filtering scheme.

Abstract: An apparatus and a method for making three-dimensional (3D) contents production possible in a mobile terminal are provided. More particularly, an apparatus and a method for allowing a general user to easily produce 3D contents by providing an edit tool for producing 3D contents in a mobile terminal are provided. The apparatus includes an object generator. When detecting an input for transforming the 3D object, the object generator determines a 3D object transform value depending on an input strength, and applies the transform value to the 3D object.

Abstract: An apparatus and method for providing a coupon service in a mobile communication system are provided. A method of operating a user terminal for providing a coupon service in a mobile communication system includes receiving coupon information of one or more shops that exist within a specified range around the user terminal from a Social Network Service (SNS) server, displaying the received coupon information, and generating a coupon by using the coupon information of the shop at the request of the coupon information, wherein the SNS server receives coupon information uploaded from a vendor terminal and Global Positioning System (GPS) information of a shop capable of using the coupon service.

Abstract: A method and an apparatus produce and reproduce Augmented Reality (AR) contents in a mobile terminal. In the method, contents are produced. An image including an object corresponding to the contents is recognized. Recognition information for the object corresponding to the contents is obtained based on a recognition result. AR contents including the contents and the recognition information are generated. Therefore, AR contents for an input image may be easily produced and reproduced, and the AR contents may be used as independent multimedia contents, not an auxiliary means of other contents.

Abstract: An apparatus and method display a world clock on the basis of an Augmented Reality (AR) scheme in a portable terminal. The method for displaying information in the portable terminal includes obtaining camera image data from a camera. The method also include searching for a city corresponding to a camera location and a camera viewpoint direction on the basis of a memory. The method further includes obtaining information on the found city and displaying the obtained information on the found city by compositing the information into the obtained camera image data.

Abstract: A method and apparatus generate a face animation in a computer system. An input of a face image is received. A head model and a skull model are determined for the face image. The head model is matched with the skull model, and a face model is generated. At least one parameter for the generated face model is adjusted according to an expression of the input face image, thus being capable of allowing a user to easily generate a face model and a facial animation with various expressions without manually adjusting various parameters.

Abstract: A ray tracing method and apparatus in a 3-Dimensional (3D) image system. The method includes sampling for four vertexes of each pixel in a plurality of pixels, sampling for a pivot of the each pixel, and determining a color of the each pixel using the sampling result on the four vertexes and the pivot.

Abstract: A method and an apparatus detect motion, rotation, and tilt for rendering using a sensor in a portable terminal. The rendering method using the sensor in the portable terminal includes pre-rendering a region of a size corresponding to a screen of the terminal and a surrounding region. A preset region of the pre-rendered regions is displayed. A motion of the terminal is detected using a sensor, and a region to display in the pre-rendered regions is changed according to the motion.

Abstract: Provided is a method and apparatus for photographing an object to produce a still image while recording a moving picture.

Abstract: An H.263/MPEG video encoder using DCT in a mobile communication terminal. The H.263/MPEG video encoder controls a quantization value using granularity analysis by motion estimation and efficiently controls bit rates. The H.263/MPEG video encoder performs DCT for an input image (N?1), quantizes the input image to output the input image as a video stream, decodes the quantized signal by means of inverse quantization (IQ) and inverse discrete cosine transform (IDCT), and performs motion estimation in comparison with a next input image (N). The H.263/MPEG video encoder includes a granularity analyzing section for analyzing granularity using a result of performing the motion estimation, a granularity control section for controlling a quantization value for the quantization according to an analysis result of the granularity analyzing section, and a frame rate control section for controlling a frame speed of an output of the video stream.

Abstract: An apparatus and method for multimedia file streaming are provided. In a method for multimedia file streaming in a receiving portable terminal, the method includes determining meta data included in a received packet, generating new meta data having a circular-type media data offset on the basis of the meta data, storing media data included in the packet received in a circular manner according to the media data offset included in the new meta data, and loading the media data stored according to the media data offset included in the new meta data.

Abstract: An apparatus is capable of sharing information through a presence service in a communication network and capable of providing presence information of a Mobile Station (MS). The apparatus extracts at least one of application information and contents indication information from an application in execution. Presence information is generated that includes at least one of the application information and the contents indication information, and transmitting the presence information to a presence server.

Abstract: An apparatus and method are provided for simultaneously photographing a still image and a motion image in a wireless terminal with at least two cameras. A first camera photographs motion images in motion-image photography mode. A second camera photographs still images in the motion-image photography mode. A controller of the first camera controls the first camera to photograph the motion images in the motion-image photography mode. A controller of the second camera controls the second camera to photograph the still images in the motion-image photography mode. A control unit controls an operation for photographing the motion images through the controller of the first camera in the motion-image photography mode, and controls photographing the still images through the controller of the second camera, and controls an operation for storing the motion/still images photographed in the motion-image photography mode.

Abstract: Provided is a device and method for taking a still picture and recording a moving picture. The device includes a user interface unit for generating a user input instruction to record the moving picture, and a user input instruction to take the still picture while recording the moving picture; a moving picture recorder for compressing the still pictures into the moving picture, and recording the compressed picture; a camera picture capturing unit for, when there is the user input instruction to take the still picture while recording the moving picture, capturing the still picture; a camera controller for controlling an operation of a camera, and an operation of the camera picture capturing unit; a take-while-record setting unit for storing information on picture-taking; and a controller for generating a signal for controlling to detect the user input instruction to take the still picture while recording the moving picture, and take the still picture while recording the moving picture.

Abstract: An apparatus and method for dynamically creating a community space in a virtual space. A request for a connection to a personal web space of another user to be visited by a user possessing a personal web space is made. When the connection request is identified, a new community space is generated by connecting the personal web spaces of the users to each other. Immediate interaction between the users is performed in the generated new community space.

Abstract: An apparatus and a method for configuring an idle screen, and more particularly, to an apparatus and method for analyzing functions of a terminal according to a user's environmental state, and configuring an idle screen in accordance with the analysis. According to the apparatus and method, when a change in a current environmental state is sensed while performing the selected terminal function, the terminal determines an environmental state information item corresponding to a changed environmental state, and updates the selected terminal function in a terminal function item corresponding to the determined environmental state information item. When there is a request for displaying an idle screen, the terminal determines a current environmental state item corresponding to the currently environmental state, extracts one or more terminal functions corresponding to the determined environmental state information item, and configures the idle screen using the extracted terminal functions.