Patent application number | Description | Published |
20090097546 | SYSTEM AND METHOD FOR ENHANCED VIDEO COMMUNICATION USING REAL-TIME SCENE-CHANGE DETECTION FOR CONTROL OF MOVING-PICTURE ENCODING DATA RATE - Disclosed is a method for detecting a scene change in real time in order to control a moving-picture encoding data rate, the method including: dividing a current frame into a plurality of regions, and calculating a dissimilarity metric (DM) of each divided region; determining if the dissimilarity metric of each divided region is beyond a preset reference value; calculating the number of regions, the dissimilarity metric of which is beyond the preset value, in the current frame; and determining that a scene change occurs in the current frame, when the number of regions, the dissimilarity metric of which is beyond the reference preset value, is equal to or greater than a preset threshold value. | 04-16-2009 |
20090222422 | METHOD, APPARATUS, AND SYSTEM FOR DATA TRANSMISSION BASED ON DLNA NETWORK - The present invention relates to a method, apparatus, and system for data transmission based on a DLNA (Digital Living Network Alliance) network that classifies contents files which are stored in a DMS according to a support of the DLNA network to make a contents list. Support is provided to convert a file attribute of a selected file into a file attribute which can be applied to the DLNA network to generate, in case a user selects a non-supported file which is not applied to the DLNA network. The invention outputs the selected file to a display unit, captures the outputted image to convert into a file which can be applied to the DLNA network. | 09-03-2009 |
20090245353 | METHOD AND APPARATUS FOR INTRA-PREDICTION VIDEO CODING/DECODING - An intra-prediction coding and decoding method is provided, in which a picture to be encoded is received in coding units, each of the coding units is divided into a plurality of sub-units, an IPM is determined for each coding unit, residual data is acquired for each sub-unit of each coding unit according to the determined IPM, and information about the IPM of each coding unit and the residual data of each sub-unit of each coding unit are encoded. | 10-01-2009 |
20090245371 | METHOD AND APPARATUS FOR ENCODING/DECODING INFORMATION ABOUT INTRA-PREDICTION MODE OF VIDEO - A method and apparatus for encoding and decoding IPM information are provided, in which a coding unit is received, IPMs of a plurality of sub-units included in the coding unit are determined, a relation between an IPM of each sub-unit and IPMs of neighboring sub-units of the each sub-unit is checked, and information about IPMs of a plurality of sub-units according to the relations is encoded in an integrated manner. | 10-01-2009 |
20090316999 | METHOD AND APPARATUS FOR RECOGNIZING CHARACTERS - Disclosed is a method and an apparatus for recognizing characters using an image. 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. | 12-24-2009 |
20100026721 | APPARATUS AND METHOD FOR DISPLAYING AN ENLARGED TARGET REGION OF A REPRODUCED IMAGE - An apparatus and a method for selecting and displaying a particular region in a displayed image. A user selects a target region in an image displayed on an image reproduction apparatus, an image of the selected target region is enlarged and displayed in a window, which the user can adjust a generation position, a size, a zoom magnification, and a resolution thereof. The image reproduction apparatus tracks a target object in the target region, and enables the user to continuously view the target object in the window. | 02-04-2010 |
20100029260 | APPARATUS AND METHOD FOR RECOMMENDING A COMMUNICATION PARTY ACCORDING TO A USER CONTEXT USING A MOBILE STATION - An apparatus and method for recommending a communication party according to a user context in an MS, in which log information received and stored in the MS is retrieved, current context information about the MS is estimated using the log information, similarities of all communication parties stored in a phonebook of the MS are calculated, and communication parties are recommended by comparing the similarities. | 02-04-2010 |
20100033457 | APPARATUS AND METHOD FOR DISPLAYING SCREEN ACCORDING TO INTENSITY OF BRIGHTNESS OF AMBIENT LIGHT - Disclosed are an apparatus and a method for display of a screen according to brightness intensity of ambient light. One or more characteristic values configuring display data is set to be higher than a preset color characteristic value when measured brightness intensity of ambient light is higher than preset brightness intensity of ambient light, and one of the set color characteristic values is converted to a contrast characteristic value and is displayed. Therefore, even when brightness intensity of ambient light is high, the user can accurately view a screen. | 02-11-2010 |
20100110088 | METHOD AND APPARATUS FOR DATA COMMUNICATION BASED ON DIGITAL IMAGE PROCESSING - A data communication apparatus based on digital image processing is provided, in which a display displays a color block array including color blocks corresponding to transmission data, a camera captures an image of a color block array displayed on a display of a transmitting side, a storage stores a code table including information about colors mapped to data values, and a Digital Signal Processor (DSP) creates a color block array by converting transmission data to color blocks according to the code table during data transmission, and identifies the color block array in the image captured by the camera, detects colors of color blocks in the color block array, and extracts data values corresponding to the detected colors during data reception. | 05-06-2010 |
20100135671 | APPARATUS FOR TRANSMITTING AND RECEIVING VISIBLE LIGHT COMMUNICATION DATA - An apparatus for transmitting visible light communication data is provided, the apparatus including a common modulation unit generating a modulated signal for transmitting a first visible light communication data, a plurality of individual modulation units generating modulated signals for transmitting a plurality of second visible light communication data, and a plurality of light emitting units receiving the modulated signals from the plurality of individual modulation units, respectively, and outputting visible light signals, wherein an output of the common modulation unit is the input as an output control signal of the individual modulation units. | 06-03-2010 |
20100157087 | METHOD AND APPARATUS OF DISPLAYING PORTRAIT ON DISPLAY - A method of displaying a portrait on a display is provided. The method includes determining whether a photographed image is a character-photographed image according to photographing information of the photographed image; executing face detection from the photographed image if it is determined that the photographed image is a character-photographed image; setting a character area in the photographed image according to a result of the face detection; and magnifying and displaying the character area on the display. | 06-24-2010 |
20100177210 | METHOD FOR ADJUSTING WHITE BALANCE - A white balance adjustment method is disclosed, in which a plurality of input pixels are transformed into a digital component color space, a hue region of each of the color-space transformed input pixels is determined, and a transformation matrix is determined according to the determined hue region. | 07-15-2010 |
20100179786 | METHOD FOR MEASURING POSITION OF PORTABLE TERMINAL AND INDOOR ILLUMINATING APPARATUS FOR THE SAME - Provided is a method of measuring the position of a portable terminal, comprising detecting indoor illuminating light, and outputting an electric signal corresponding to the detected indoor illuminating light, obtaining a plurality of data frames from the output electrical signal, and calculating a position of the portable terminal based on information regarding the position of a corresponding reference light source included in each data frame and an identifier corresponding to the reference light source included in said each frame and a reception time of said each data frame. | 07-15-2010 |
20100207546 | METHOD FOR DRIVING COLOR LAMP AND APPARATUS THEREFOR - Disclosed is a color lamp driving apparatus for generating illumination light of various colors by using a plurality of Red (R), Green (R), and Blue (B) lamps together with each other, having a color controller for generating a color control signal, which indicates driving time rates of R, G, and B lamp arrays, according to color information of required illumination light, and a lamp driving module for outputting a driving signal for driving each of R, G, and B lamp arrays according to the color control signal output from the color controller. The driving signal is set to apply driving times for the R, G, and B lamp arrays based on one among a start time point, a middle time point, and an end time point of each corresponding period ΔT within one light-emitting period T. | 08-19-2010 |
20100214434 | APPARATUS AND METHOD FOR ADJUSTING WHITE BALANCE OF DIGITAL IMAGE - A method and an apparatus are provided for adjusting white balance of a digital image. An input image is converted into a YCbCr color space. White pixels of the converted input image are detected by determining whether each pixel of the converted input image is included in a preset region of the YCbCr color space. A gain of each channel is calculated from averages of R, G and B values of the detected white pixels. White balance adjustment is performed by applying the calculated gain of each channel to each pixel of the input image. | 08-26-2010 |
20100215261 | APPARATUS AND METHOD FOR IMPROVING TEXT RECOGNITION CAPABILITY - Disclosed are an apparatus and a method for text recognition capability using a camera provided in a mobile communication terminal. Image pre-processing discriminates a text color and a text-background color in an input image, and unifies regions except the text into the text-background color, so that a text region and a background region surrounding the text region can be precisely separated. The image pre-processing method is adaptive to a photographing environment, whereby stable text recognition capability can be expected even if the photographing environment is variously changed. | 08-26-2010 |
20100226579 | IMAGE PROCESSING METHOD AND APPARATUS FOR DETECTING AN EDGE OF AN OBJECT WITHIN AN IMAGE - An image processing method and apparatus capable of easily detecting an edge of an object from an input image, in which the edge is detected using one step, without a pre-processing step, and a complicated trigonometric function is not used for gradient detection. The image processing method includes setting a window within an input image, analyzing the window to determine directions of edges of objects within the image included in the window, detecting edge information including the edge directions, and processing and outputting the window using the edge information. | 09-09-2010 |
20100238316 | APPARATUS AND METHOD FOR CLASSIFYING IMAGES - An image classification apparatus and method for Automatic White Balance (AWB) are provided. An input image is divided into blocks including pluralities of pixels. A hue value and a chroma value are calculated for each of the blocks. A color-changed block is detected by calculating, for each one of the blocks, differences between the hue and chroma values calculated for all blocks adjacent to the one of the blocks and the hue and chroma values calculated for the one of the blocks. A hue variance and a chroma variance are calculated for the entire input image if a number of the detected color-changed blocks is greater than or equal to a first threshold. The input image is determined as a non-monochromatic image, if the hue variance is greater than or equal to a second threshold or the chroma variance is greater than or equal to a third threshold. | 09-23-2010 |
20100259596 | APPARATUS AND METHOD FOR TRANSMITTING STEREOSCOPIC IMAGE DATA - A method and apparatus transmitting stereoscopic image data according to a variable channel environment are provided. The method includes granting a priority to each of a plurality of frames constituting one image group; determining a number of transmittable frames based on a variable channel environment; and selecting transmittable frames from among the plurality of frames based on the determined number of transmittable frames and the granted priories | 10-14-2010 |
20100290483 | APPARATUS AND METHOD FOR TRANSMITTING STEREOSCOPIC IMAGE DATA - A method for transmitting stereoscopic images using a variety of transport protocols is provided. To this end, a stereoscopic image packet is defined that comprises a stereoscopic packet header and a stereoscopic video packet header. The defined stereoscopic packet header and stereoscopic video packet header are used to transmit metadata needed for transmission of stereoscopic images. By doing so, it is possible to ensure compatibility with a variety of transport protocols. | 11-18-2010 |