Abstract: Provided are a display apparatus and a control method of the same. The display apparatus includes: an organic light emitting panel which alternately scans a left-eye image and a right-eye image in units of a frame; a signal transmitter which outputs a control signal to external shutter glasses to open or to close a left-eye shutter and a right-eye shutter of the shutter glasses; and a controller which controls the signal transmitter to make open and closed states of the left-eye shutter and the right-eye shutter be opposite to each other, and controls emission of the organic light emitting panel to display an image corresponding to an open shutter and not to display an image opposite to the open shutter when one of the left-eye shutter and the right-eye shutter is open.

Abstract: A display apparatus includes a display panel which include a plurality of areas; a communication unit which receive information about brightness sensed by a pointing device; a backlight unit which includes a plurality of light sources; and a controller which controls the backlight unit to change the brightness of the plural areas by a predetermined unit, and determines a pointing position of the pointing device on the basis of relative variation in the information about the brightness. With this, it is possible to detect a pointing position of a pointing device in a display apparatus having a hold-type display panel.

Abstract: An apparatus and method for encoding and decoding a multi-view picture using a camera parameter are provided. The multi-view moving picture encoding apparatus includes: a multi-view picture receiver which receives the multi-view picture and a plurality of camera parameters; a camera parameter information setting unit which selects a camera parameter to be used for encoding the multi-view picture from among the plurality of the received camera parameters, and sets information which indicates the selected camera parameter; and an encoder which encodes the multi-view picture on the basis of the set information. Therefore, it is possible to enhance multi-view picture encoding efficiency.

Abstract: A 2D and 3D image display apparatus including: a display panel forming an image by spatially modulating an input image signal; a polarization conversion device converting a polarization direction of a beam incident into the polarization conversion device according to a voltage applied in synchronization with the image signal; and a switching barrier unit including first polarization units having a first polarization direction and second polarization units having a second polarization direction in an alternate manner, and transmitting the beam passing the polarization conversion device through at least one of the first polarization unit and the second polarization unit. Therefore, a 3D image can be displayed without degrading a horizontal resolution thereof by using a combination of polarization devices with low fabrication costs, which may utilize a time-sequential display method.

Abstract: Provided are an apparatus and a method of transforming a format of a multidimensional image so that the multidimensional image can be output by any type of display device. The apparatus includes a scaler and a formatter. The scaler receives the multidimensional image and scales up or down a resolution of the multi-dimensional image. The formatter receives property information about a display device and transforms the format of the multi-dimensional image to conform to properties of the display device. Accordingly, a three-dimensional image or a stereo image can be easily displayed by any type of display device.

Abstract: A method for motion compensated interpolation using overlapped block motion estimation and a frame-rate converter using the method, wherein the method includes storing an input image in frame units, dividing the stored image into N1×N2 blocks and M1×M2 blocks that are larger than the N1×N2 blocks based on the same center axis as that of the N1×N2 blocks and overlapped with adjacent blocks and sampling pixels in the M1×M2 blocks, estimating a motion vector by matching the sampled M1×M2 blocks between adjacent frames, and creating a median pixel value between the adjacent frames using the estimated motion vector and pixel values of the matched N1×N2 blocks between the adjacent frames.

Abstract: A display apparatus includes: a display unit which displays an image; and a signal controller which determines a motion state of a current frame on the basis of a previous frame and the current frame input in sequence, generates a first sub-frame of which brightness is varied according to the motion state of the current frame, generates at least one second sub-frame to compensate the brightness of the first sub-frame on the basis of the first sub-frame and the current frame, and controls the first sub-frame and the second sub-frame to be displayed on the display unit in sequence.

Abstract: A display apparatus includes: a display unit which displays an image; and a signal controller which generates a first sub-frame having a mean brightness by calculating the mean brightness of an original frame input from an outside, generates at least one second sub-frame for compensating the first sub-frame on the basis of the first sub-frame and the original frame, and outputs the first sub-frame and the second sub-frame to be displayed on the display unit in sequence.

Abstract: A method of improving image quality and the display apparatus thereof are provided. The method includes generating a plurality of sub-frame images using a frame image depending on whether the frame image is a moving image or a still image and displaying the plurality of sub-frame images sequentially for a frame time interval of the frame image. By generating the plurality of sub-frame image which have different pixel values each other and displaying the plurality of sub-frame image sequentially, the sticking phenomenon may be prevented and a life time of the display apparatus may be extended.

Abstract: A display apparatus includes a display panel having a light emitting device, a sensor which senses an electric current flowing in the light emitting device, and a controller which determines that an external stimulus occurs to the display panel if a change of a sensed current exceeds a preset current change rate, and performs a predetermined operation on the basis of a determination result.

Abstract: A display apparatus and method thereof are provided in order to provide a high quality image. The display apparatus includes a driving unit which drives light sources, and a controller which controls the driving unit. Therefore, it is possible to reduce motion blur and flicker and maximize the gray level difference, so that a user may be provided with a clear image.

Abstract: A method for generating a signal to display a three-dimensional (3D) image, and an image display apparatus using the same are disclosed. The method includes receiving a first synchronization signal, generating a second synchronization signal, and generating an output signal. Therefore, a user may satisfactorily view a 3D image regardless of whether the synchronization signal received from a display device reports errors or whether there is an obstruction between the display device and shutter glasses.

Abstract: A display apparatus for compensating an optical parameter, and a display method thereof are disclosed, the display apparatus including a display, an optical source unit, a voltage detection unit which measures the forward voltage of an optical source, and a control unit which controls driving of the optical source unit using a forward voltage of the at least one optical source. Accordingly, the variation of optical parameter is accurately compensated, and the cost for fabricating a temperature sensor and the time for measuring the temperature are reduced.

Abstract: A display apparatus and a brightness adjusting method thereof are provided. The display apparatus includes a panel unit which displays an image signal, a backlight unit which provides a light to the panel unit to visualize the image signal, a luminance value regulator which calculates representative values to be applied for adjusting a brightness of a plurality of partial areas of the backlight unit corresponding to the input image signal, a contrast enhancer which compensates for a brightness of the image signal compromised by the representative value through a contrast enhancement, and a pixel value compensator which compensates for pixel values of the image signal compensated using the contrast enhancement. Accordingly, the contrast ratio of the entire image can be enhanced by compensating for the brightness loss of the image signal caused from the brightness adjustment of the luminous element, and the image quality can be more finely improved.

Abstract: A liquid crystal display includes: a pair of liquid crystal shutter glasses; a liquid crystal panel which alternately displays a left image and a right image formed in a predetermined scanning direction according to a predetermined scanning cycle; a glasses controller which outputs a control signal to open and close a left glass and a right glass of the liquid crystal shutter glasses synchronizing with the scanning cycle; a light source unit which supplies light to the liquid crystal panel; and a light source driver which supplies driving power to the light source unit to emit light to the liquid crystal panel in the scanning direction posterior to the left and right images.

Abstract: A method and apparatus for adjusting disparity in a 3D image and a 3D imaging device thereof are provided. The apparatus includes a disparity estimator which estimates disparity in an input 3D image and determines a disparity histogram pixel-wise; a disparity adjustor which analyzes energy of a parallax range of the disparity histogram and determines a disparity adjustment amount; and a 3D image reproducer which reproduces the 3D image based on the disparity adjustment amount. Accordingly, the disparity adjustment amount is determined by analyzing disparity energy of the disparity histogram, so a viewer may feel visual comfort and an optimal stereoscopic effect may be provided.

Abstract: An orthogonal frequency division multiplexing (OFDM)-based synchronization detection apparatus including a 2n level quantizing unit quantizing received data samples into levels of 2n, where n is an integer greater than or equal to zero (0), and a delaying unit delaying the data samples quantized through the 2n level quantizing unit by a predetermined number of clocks and outputting data indicative thereof. A shifting unit shifts the output data samples of the 2n level quantizing unit by an amount corresponding to an exponent of the output data of the delaying unit and a peak detecting unit detects a peak value from sums of outputs from the shifting unit.

Abstract: An apparatus and method for driving a liquid crystal display to improve the quality of moving pictures are provided. The apparatus includes a transition check unit that determines whether an input image signal between a first frame and a second frame has changed and whether an input image signal between the second frame and a third frame has changed; an overdrive control unit that overdrives the input image signal in the second frame in an overdrive direction if the transition check unit determines that the input image signal between the first and second frames has changed, wherein the overdrive direction is one of an upper direction and lower direction; and an overdrive compensation unit that changes the input image signal in the third frame in an opposite direction to the overdrive direction if the transition check unit determines that the input image signal between the second and third frames has not changed.

Abstract: A method of and an apparatus for converting a frame rate using time shifting and motion compensation. The frame rate converting method includes calculating an average motion vector magnitude between every two adjacent frames among a predetermined number of frames input in series determining a frame section corresponding to a maximum value among the average motion vector magnitudes calculated every two adjacent frames and generating a new frame by performing motion compensation, to which a predetermined proportion is applied, in the frame section having the maximum motion vector.

Abstract: There is disclosed an adaptive de-interlacing method and apparatus based on a phase corrected field of an input interlaced picture signal, and a recording medium storing computer programs for executing the method. The method includes: generating a phase corrected kth field by compensating a phase of the kth field of the input interlaced picture signal by 1 line frequency; calculating a first motion vector between the phase corrected kth field and the (k?1)th field of the interlaced picture signal; calculating a second motion vector between the (k?1)th field and the (k+1)th field of the interlaced picture signal; and determining whether there is motion of the input picture based on the first and second motion vector values, and generating a kth progressive frame based on the result and the kth field. Thus, a serration phenomenon is minimized after de-interlacing by more exactly detecting the motion information of a corresponding inserted field.