Abstract: A system for managing smart cards is disclosed. A system for managing smart cards, comprises a key management server for managing at least one master key used to grant the right to manage a smart card which operates in conjunction with a mobile terminal, and generates an installation key, used to grant the right to install or store a predetermined applet, based on the master key, and a card management server for receiving the generated installation key, and provides the applet to the mobile terminal based on the installation key in response to a request from the mobile terminal.

Abstract: A method of for issuing a radio frequency (RF) card key of an authentication server is disclosed. The method includes receiving an encrypted serial number of a smart card from a mobile terminal, decrypting the encrypted serial number, extracting an RF card key corresponding to the decrypted serial number, encrypting the RF card key, and transmitting the encrypted RF card key to the mobile terminal.

Abstract: Disclosed herein is a system and method for providing Over-The-Air (OTA) service. The system according to the present invention includes an OTA server for, when OTA data is requested by a mobile terminal, encrypting the requested OTA data using a preset OTA key depending on the type of the requested OTA data, and creating a message for providing the encrypted OTA data; and a message center for receiving the created message, and sending the created message to the mobile terminal.

Abstract: A method for sorting cells in a biological sample comprising a first type of cells and a second type of cells may comprise introducing the biological sample into a chamber comprising a first surface and a second surface, wherein the first surface is associated with a transparent electrode and the second surface is associated with a photoconductive portion of an electrode. The method may further comprise moving incident light and the photoconductive portion relative to one another so as to illuminate regions of the photoconductive portion and modulate an electric field in the chamber in proximity to the illuminated regions. The method may further comprise separating the first type of cells from the second type of cells in the chamber via dielectrophoretic movement of the first type of cells and the second type of cells caused by the modulated electric field, wherein a dielectrophoretic characteristic of at least one of the first type of cells and the second type of cells has been modified.

Abstract: A method of for issuing a radio frequency (RF) card key of an authentication server is disclosed. The method includes receiving an encrypted serial number of a smart card from a mobile terminal, decrypting the encrypted serial number, extracting an RF card key corresponding to the decrypted serial number, encrypting the RF card key, and transmitting the encrypted RF card key to the mobile terminal.

Abstract: Disclosed herein is a system and method for providing Over-The-Air (OTA) service. The system according to the present invention includes a mobile terminal for, when a message is received from an OTA server, dividing OTA data, included in the message, into data segments of a predetermined size depending on a size of the message, and a smart card for receiving each of the data segments, decrypting the data segment using a preset OTA key, and storing the decrypted OTA data in a preset area.

Abstract: An image display apparatus and a color distortion compensation method are provided. The image display apparatus includes a detecting part which detects whether there is a color distortion in a block, using decoding information acquired from an incoming image and a pixel value of the incoming image, and a compensation part which compensates for the color distortion of the block when it is determined that the color distortion exists. Accordingly, it is possible to detect a color distortion in the block using the decoding information and pixel value acquired from the incoming image, and compensate for the color distortion of the block by performing pixel value adjustment and low pass filtering (LPF) when it is determined that the color distortion exists.

Abstract: Provided are an image processing method and apparatus for enhancing contrast. The image processing apparatus includes a determination unit that determines whether contrast enhancement processing should be performed on an input image; an intensity mapping unit that generates a plurality of images having different exposure times from the input image, using intensity mapping, if the contrast enhancement processing should be performed on the input image; and an image composition unit that composes the plurality of images into a composed image. Therefore, it is possible to reduce a color change or a false contour phenomenon that are generated in a related art contrast enhancement process.

Abstract: A method of improving picture quality in a composite video burst signal includes dividing the composite video burst signal into a plurality of frequency bands using a low pass filter and a high pass filter, performing wavelet packet filtering of frequency bands including a chrominance signal having energy higher than a specified threshold among the plurality of frequency bands, and performing Wiener filtering of frequency bands including a chrominance signal having energy lower than a specified threshold.

Abstract: A field sequential display apparatus and an image display method thereof are provided. A field sequential display apparatus includes: a color-coordinate conversion unit which analyses image state information of a plurality of input image signals of primary colors representing one image and converts the input image signals of primary colors into image signals of primary colors and at least one image signal of specific colors by using the image state information; a display panel displaying the converted image signals; and a light source driving unit which sequentially drives light sources corresponding to colors of the converted image signals. Accordingly, color breakup can be prevented, and image quality can be improved.

Abstract: A motion adaptive image processing apparatus includes a classifier to classify a current field of a sequence of in put fields into one or more class regions, a calculator to calculate a variance based on pixel values of pixels located in a predetermined region around a certain pixel of the current field, a threshold calculator to calculate a maximum variance and a minimum variance which are pre-set according to the one or more class regions, the threshold calculator calculating a threshold based on the calculated maximum variance and the minimum variance, a motion calculator to calculate a motion change of an image using a previous field and a next field of the current field in the sequence of the input fields, and a weight calculator to calculate the weight to be applied to the certain pixel based on the calculated threshold and the calculated motion change of the image.

Abstract: Disclosed herein is a system and method for providing Over-The-Air (OTA) service. The system according to the present invention includes an OTA server for, when OTA data is requested by a mobile terminal, encrypting the requested OTA data using a preset OTA key depending on the type of the requested OTA data, and creating a message for providing the encrypted OTA data; and a message center for receiving the created message, and sending the created message to the mobile terminal.

Abstract: A system for managing smart cards is disclosed. A system for managing smart cards, comprises a key management server for managing at least one master key used to grant the right to manage a smart card which operates in conjunction with a mobile terminal, and generates an installation key, used to grant the right to install or store a predetermined applet, based on the master key, and a card management server for receiving the generated installation key, and provides the applet to the mobile terminal based on the installation key in response to a request from the mobile terminal.

Abstract: Disclosed herein is a system and method for providing Over-The-Air (OTA) service. The system according to the present invention includes a mobile terminal for, when a message is received from an OTA server, dividing OTA data, included in the message, into data segments of a predetermined size depending on a size of the message, and a smart card for receiving each of the data segments, decrypting the data segment using a preset OTA key, and storing the decrypted OTA data in a preset area.

Abstract: An image conversion apparatus to perform a motion compensation and a motion compensation method. The image conversion apparatus includes a first buffer, a second buffer, and a third buffer that store sequentially incoming video fields in sequence, a motion estimator that estimates a motion vector between a first field stored in the first buffer and a third field stored in the third buffer, a motion compensator that compensates for a motion between the first field and the third field using the motion vector output from the motion estimator and thereby outputs an interpolated field, an output unit that outputs at least one of the interpolated fields output from the motion compensator and a second field stored in the second buffer, and a field selector that selects a field to be output from the output unit according to a film mode of the sequentially incoming video fields.

Abstract: An image processing device and method to select a field to use in interpolation, if an input image is a film image. The image processing device includes a field selector to select a field to use to interpolate a current field based on difference values in field data among first, second, and third fields being consecutively input in an input image, the field to use to interpolate the current image being one of the first and the third fields and the current field being the second field, a film detector to generate a pattern based on the difference values in the field data between the first, second, and third fields and to determine whether the input image is a film image based on the generated pattern, and an interpolator to interpolate the second field using the one of the first and third field selected by the field selector if the film detector determines the input image to be a film image.

Abstract: A portable multimedia device and a method of operating the same enables operation of a display device by direct manipulation of a bracket housing a display window of a portable communication device such as an MP3 player, a portable multimedia player, or a digital camera. The portable multimedia device includes: a display bracket housing the display window; a PCB bracket installed at a rear surface of the display bracket and is movable within a limited range in a thickness direction; a PCB fixed in the PCB bracket between the display bracket and the PCB bracket; and a plurality of tact switches installed around a periphery of the PCB capable of contacting the rear surface of the display bracket. Each of the tact switches controls one or more function of the portable multimedia device.

Abstract: An image conversion device and method of interpolating an input image by utilizing a motion estimation that is adaptive according to characteristics of the input image.

Abstract: An image processing apparatus using a judder-map and a method thereof. The image processing apparatus using a judder-map includes: a field storage block to receive an input interlaced video signal including an input image having a plurality of consecutive fields, a film detecting block to receive the plurality of the consecutive fields from the field storage block and to detect whether the input image is an image in a film mode, a judder-map generating block to detect judder created on a pixel or block of neighboring fields among the plurality of consecutive fields provided from the field storage block to generate a judder-map, and an image interpolating block to perform image interpolation using the judder-map if the input video signal is detected to be an image in the film mode and to generate and output a progressive video signal. The image processing apparatus prevents the creation of judder on CGI (Computer Graphic Imagery) or subtitles, to which pulldown technologies are not applied.

Abstract: An image display apparatus and a color distortion compensation method are provided. The image display apparatus includes a detecting part which detects whether there is a color distortion in a block, using decoding information acquired from an incoming image and a pixel value of the incoming image, and a compensation part which compensates for the color distortion of the block when it is determined that the color distortion exists. Accordingly, it is possible to detect a color distortion in the block using the decoding information and pixel value acquired from the incoming image, and compensate for the color distortion of the block by performing pixel value adjustment and low pass filtering (LPF) when it is determined that the color distortion exists.