Abstract: A method and apparatuses are provided for sharing data in a data sharing system. The method includes receiving, by a first terminal, a user input for transmitting previously-stored user characteristic data to a second terminal; discovering the second terminal to which the previously-stored user characteristic data is to be transmitted; and transmitting the previously-stored user characteristic data to the second terminal.

Abstract: A method and a device for recognizing a document image, and a photographing method using the same are provided. The method includes extracting, from an input image, a primary feature, including information on feature points, by determining each pixel that is not similar to comparison pixels to be a feature point through a comparison of the pixel to the comparison pixels spaced a predetermined distance apart from the pixel, and classifying the input image as a document image or a non-document image by applying preset primary classification criteria, including criteria for the total number of the feature points to the primary feature.

Abstract: An apparatus and a method for receiving additional object information regarding a particular object in at least one frame from among a sequence of a plurality of frames included in image media are provided. The method includes receiving selection of a reference frame including a target object, and receiving selection of the target object in the reference frame; receiving, as an input, additional object information regarding the target object; tracking the target object in each of frames disposed subsequent to the reference frame in the sequence and frames prior to the reference frame in the sequence; extracting target object information from a result of tracking the target object; and building a target object-related information database including at least one of the additional object information regarding the target object and the extracted target object information.

Abstract: A movement recognition method and a user interface are provided. A skin color is detected from a reference face area of an image. A movement-accumulated area, in which movements are accumulated, is detected from sequentially accumulated image frames. Movement information corresponding to the skin color is detected from the detected movement-accumulated area. A user interface screen is created and displayed using the detected movement information.

Abstract: An apparatus and a method for recognizing a hand shape by using a finger pattern are disclosed. The throughput of data used to recognize a hand shape is reduced and the hand shape can be quickly recognized by setting in advance a finger pattern in accordance with one or more hand shapes, calculating edges for each pixel line of an input image, detecting finger feature data by using a preset feature reference value, detecting a finger candidate pattern by using the detected finger feature data, and recognizing a hand shape corresponding to a finger pattern that matches the detected finger candidate pattern.

Abstract: A graphic processing apparatus for updating a graphic screen and a method thereof are provided. The apparatus includes an object information calculator for calculating object information of an object input into the graphic screen; an object area calculator for calculating object area information of the input object; and a controller for storing object management information matched with the calculated object information and the calculated object area information, updating object management information of an object edited by an object editing, and then updating the graphic screen by using the updated object management information.

Abstract: A method for creating an animation message includes generating input information containing information regarding input time and input coordinates according to input order of drawing information input through a touch screen; dividing an image containing the drawing information and background information into a plurality of blocks; creating an animation message by mapping the input information to the plurality of blocks so that the drawing information can be sequentially reproduced according to the input order; allocating a parity bit per pre-set block range of the animation message in order to detect an error occurring in the animation message; and transmitting the created animation message.

Abstract: A method is provided for determining presence of a user's hand tremor or intentional motion during recognition of an image through photographing. Image sample blocks of a previous frame are detected by using an edge detecting method. A block distance between the detected image sample block of the previous frame and an estimated image sample block of a current frame is calculated. The calculated block distance is compared with a first threshold. The calculated block distance is compared with a second threshold when the calculated block distance is less than the first threshold.

Abstract: Methods and apparatus are provided for generating an animated message. Input objects in an image of the animated message are recognized, and input information, including information about an input time and input coordinates for the input objects, is extracted. Playback information, including information about a playback order of the input objects, is set. The image is displayed in a predetermined handwriting region of the animated message. An encoding region, which is allocated in a predetermined portion of the animated message and in which the input information and the playback information are stored, is divided into blocks having a predetermined size. Display information of the encoding region is generated by mapping the input information and the playback information to the blocks in the encoding region. An animated message including the predetermined handwriting region and the encoding region is generated. The generated animated message is transmitted.

Abstract: A method is provided for creating a panorama. The method includes photographing a plurality of images having same backgrounds and different forms of a subject, determining a size and a position of a reference region for creating a panorama using the images, extracting a target region within the reference region from each of the images, detecting same portions in adjacent target regions, and creating a panorama by combining the adjacent target regions on the basis of the same portions.

Abstract: A movement recognition method and a user interface are provided. A skin color is detected from a reference face area of an image. A movement-accumulated area, in which movements are accumulated, is detected from sequentially accumulated image frames. Movement information corresponding to the skin color is detected from the detected movement-accumulated area. A user interface screen is created and displayed using the detected movement information.

Abstract: An apparatus for processing image data includes a camera for detecting image information received through an image sensor, a location information checker for checking location information, a memory for storing the image information and shooting location information at an acquisition time of the image information, a location information converter for converting the shooting location information based on display location information at a time the image information is to be displayed, and a controller for controlling output of image information corresponding to the display location information.

Abstract: A method for producing motion effects of a character capable of interacting with a background image in accordance with the characteristics of the background image is provided, including extracting the characteristics of the background image; determining a character to be provided with the motion effects in the background in accordance with the extracted characteristics of the background image; recognizing external signals including a user input; determining the motion of the character in accordance with the characteristics of the background image and the recognized external signals; and reproducing an animation for executing the motion of the character in the background image.

Abstract: Disclosed is a device for controlling a mouse pointer, providing a display unit; an image photographing unit for photographing images of a first object and a second object; and a controller for setting a point between the first object and the second object detected from the photographed images as a position of a mouse pointer on the display unit, and when a distance between the first object and the second object is less than a predetermined distance, determining that a user selection instruction for the point has been input. The device detects movement of fingers using differential images according to the movement of the fingers, so that even when a continuously changing surrounding lighting or a user face having the similar color with the finger is included in a background, it is possible to accurately identify the movement of the fingers.

Abstract: An apparatus and method for displaying a lock screen including a character object having a motion effect in a terminal equipped with a touch screen. The method includes locking the touch screen and displaying the lock screen including the character object having the motion effect on a preset background image. Upon generation of a touch input, determining whether the touch input is for unlocking the touch screen, and if the touch input is for unlocking the touch screen, unlocking the touch screen and controlling the character object to perform a preset action indicating the unlocking of the touch screen.

Abstract: Provided is an apparatus and method for transmitting and receiving a handwriting animation message. The apparatus for transmitting a handwriting animation message includes an input unit for receiving an input of a handwriting animation message including coordinate information and time information of points being input onto a background image from a user of a transmitting mobile terminal, a controller for controlling merging or synchronization of the background image and the handwriting animation message, and a transmitter for transmitting the merged or synchronized background image and handwriting animation message to a receiving mobile terminal.

Abstract: A method for creating an animation message includes generating input information containing information regarding input time and input coordinates according to input order of drawing information input through a touch screen; dividing an image containing the drawing information and background information into a plurality of blocks; creating an animation message by mapping the input information to the plurality of blocks so that the drawing information can be sequentially reproduced according to the input order; allocating a parity bit per pre-set block range of the animation message in order to detect an error occurring in the animation message; and transmitting the created animation message.

Abstract: Provided is a system for transmitting a handwriting animation message including a transmitting mobile terminal for transmitting the handwriting animation message including coordinate information and time information of one or more points forming handwriting information which is input by a user of a transmitting mobile terminal, an animation messaging server for, upon receiving the handwriting animation message, transcoding the handwriting animation message into a format supported by the receiving mobile terminal and transmitting the transcoded handwriting animation message, and the receiving mobile terminal for receiving the transcoded handwriting animation message.

Abstract: A method for reproducing a handwritten message using handwriting data, the method including receiving an input of the handwritten message and generating handwriting data including position information and time information of the handwritten message and a still image using the position information, encoding a handwriting image including the handwriting data in the still image and transmitting the encoded handwriting image through the still image, receiving and decoding the handwriting image, extracting the handwriting data included in the decoded handwriting image, and sequentially reproducing the handwritten message according to an order of input of the handwritten message using the extracted handwriting data.

Abstract: Disclosed is a mobile terminal for providing a blackboard function to an image projected through a projector, which includes a projector for projecting an image on a screen, a camera for photographing the image projected through the projector and transferring the photographed image to an image processor. The image processor processes the image transferred from the camera and transfers the processed image to a controller. The controller controls the operation of the mobile terminal including recognizing an effective region for the projected image where infrared rays are detected from the photographed image so as to recognize an indication position of an indication device. The indication device generates infrared rays, in the projected image, and when the infrared rays are detected, a preset mark is displayed on a position of the detected infrared rays by using the projector.