Abstract: A device and a method of unlocking a device are provided. The method of unlocking a device includes: determining whether an input tool of the device is separated from the device, when a disabled screen of the device is enabled; selecting one user interface from among a plurality of user interfaces for unlocking the device on the enabled screen of the device, based on the determination result; displaying the selected user interface on the screen of the device; and receiving a touch input with respect to the displayed user interface. The plurality of user interface include a user interface for receiving a touch input by the input tool and a user interface for receiving a touch input by a body part of a user.

Abstract: A method and apparatus for controlling a playback speed of an animation message in a mobile terminal is provided. The method includes recognizing at least one object to be displayed included in the received animation message; determining the playback speed of the received animation message with respect to each object to be displayed according to the recognized feature of each object; and displaying the animation message according to the determined playback speed.

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: Apparatuses and methods are provided for executing a function corresponding to a handwritten user input at the same time as providing a handwritten unlock command on a lock screen of an electronic device. The apparatus includes a touch screen that displays a lock screen including a first layer for unlocking the lock screen and a second layer that is laid over the first layer, and a controller that verifies that an unlock command is the same as a predetermined unlock command in response to the unlock command being input to the first layer, to display the second layer in response to the unlock command being the same as the predetermined unlock command, and to search for a command corresponding to a handwritten user input that is input to the second layer to execute the command.

Abstract: A method and an apparatus are provided for displaying pictures according to hand motion inputs. An application is executed for displaying a picture from among a sequence of pictures on a display. Groups of skin color blocks corresponding to a hand are detected from among image frames output from a camera. A motion is detected among the groups of skin color blocks. Direction information is obtained on the detected motion. The application is controlled to display a previous picture or a next picture in the sequence of pictures on the display according to the direction information.

Abstract: A method including generating position information and time information of a handwriting inputted on a device; generating pixel values of an image capturing the handwriting; generating an image file for facilitating a sequential reproduction of the handwriting by storing the position information and the time information of the handwriting in a first field of the image file and storing the pixel values in a second field of the image file; and transmitting the generated image file to another device.

Abstract: A method and a device for amending a handwritten character are provided. The device includes a user input unit, a processor, and a display. The user input unit receives a user input of handwritten characters. The processor is configured to recognize the input handwritten characters, determine respective reference points of the recognized handwritten characters, and align the recognized handwritten characters based on locations of the determined reference points. The display is configured to display the aligned handwritten characters.

Abstract: A method of displaying a memo is provided. The method includes displaying an electronic document and a memo for the electronic document, obtaining relative position information of the memo on the electronic document, and displaying the memo on the electronic document based on the obtained position information depending on a display state of the electronic document.

Abstract: A touchscreen apparatus for styling a content is provided. The touchscreen apparatus for drawing a figure content includes an input device receiving a touch input of a figure from a user and receiving an input related to configuration information of the figure, a processor configured to reconstruct the figure, which is pre-stored, based on at least one of the received touch input and the received configuration information of the figure to obtain a reconstructed figure, and a display configured to display the reconstructed figure on a screen, wherein the configuration information of the figure includes at least one of information indicating a length of the figure and information indicating an angle of the figure.

Abstract: A method for transmitting and receiving a handwritten message having time information includes generating one or more codes using handwritten message information which is sequentially input by a user, converting the handwritten message information and the one or more codes into one image and transmitting the converted image, confirming whether a received image includes the one or more codes, and if the received image includes the one or more codes, sequentially reproducing the contents of the handwritten message according to an input order of the contents of the handwritten message by analyzing the one or more codes.

Abstract: A method and an apparatus for recognizing characters using an image are provided. A camera is activated according to a character recognition request and a preview mode is set for displaying an image photographed through the camera in real time. An auto focus of the camera is controlled and an image having a predetermined level of clarity is obtained for character recognition from the images obtained in the preview mode. The image for character recognition is character-recognition-processed so as to extract recognition result data. A final recognition character row is drawn that excludes non-character data from the recognition result data. A first word is combined including at least one character of the final recognition character row and a predetermined maximum number of characters. A dictionary database that stores dictionary information on various languages using the first word is searched, so as to provide the user with the corresponding word.

Abstract: A code recognition method for adjusting a User Interface (UI) rotation angle of a code recognition application depending on the direction of a recognition code or text entered through a camera is provided. The code recognition method includes detecting at least a portion of the recognition code from an image including the recognition code; determining a code rotation angle of the recognition code; and extracting the recognition code or a text from the image including the recognition code based on the code rotation angle of the recognition code.

Abstract: A method of styling content on a touch screen device is provided. The method includes receiving a user's input with respect to an attribute item of a stroke-based object, receiving a user's touch input with respect to a region indicating the stroke-based object on a touch screen, and changing an attribute value of the stroke-based object based on the attribute item of the stroke-based object and the received user's touch input.

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: A method and apparatus for verifying an input signature are provided. The method includes generating signature data based on a real touch event and a proximity touch event that occur on a touch input unit of and apparatus, extracting a feature of the input signature based on the signature data, and determining whether to authenticate the input signature based on a similarity between the feature of the input signature and a corresponding feature of a previously stored reference signature.

Abstract: A method and an apparatus for recognizing characters using an image are provided. A camera is activated according to a character recognition request and a preview mode is set for displaying an image photographed through the camera in real time. An auto focus of the camera is controlled and an image having a predetermined level of clarity is obtained for character recognition from the images obtained in the preview mode. The image for character recognition is character-recognition-processed so as to extract recognition result data. A final recognition character row is drawn that excludes non-character data from the recognition result data. A first word is combined including at least one character of the final recognition character row and a predetermined maximum number of characters. A dictionary database that stores dictionary information on various languages using the first word is searched, so as to provide the user with the corresponding word.

Abstract: A method and a portable terminal for identifying a counterfeit bill. The method includes receiving, by the portable terminal, an image of a bill photographed using visible rays and an image of the bill photographed using infrared rays; determining a denomination of the bill by comparing the image photographed using the visible rays with a denomination database; obtaining correction information using the image photographed using the visible rays and a corresponding bill image in the denomination database; forming a corrected image by correcting the image photographed using the infrared rays using the correction information; and determining whether the bill is counterfeit by comparing the corrected image with an image of the corresponding bill pre-stored in a genuine bill database.

Abstract: A method of processing an image by using an image processing apparatus is provided. The method includes acquiring, by the image processing apparatus, a target image, extracting a shape of a target object included in the target image, determining a category including the target object based on the extracted shape, and storing the target image by mapping the target image with additional information including at least one keyword related to the category.

Abstract: A character input method using a touch screen, in which one or more areas requiring user input is defined in the touch screen, pre-recognized information is defined for each of the defined areas, character information is received by a user in one or more user desired areas among the defined areas, the character information is recognized using a character recognizer, and the recognized character information is updated in the user desired areas.

Abstract: An apparatus for identifying a counterfeit bill is provided. The apparatus includes a camera module configured to receive a captured IR image of a bill; a binary image generator configured to generate a binary image of the bill, based on the IR image; a distance value calculator configured to compare a predetermined area of the binary image with a predetermined area of a pre-stored real bill database corresponding to the predetermined area of the binary image; and a corrected image generator configured to generate a corrected image based on a result of the comparison.