Abstract: An input device, a display apparatus and a method of controlling the input device are provided. The input device includes: a communicator configured to communicate with a display apparatus; a sensor configured to sense a sound; a volume extractor configured to extract volume sections from the sound sensed by the sensor; and a controller configured to determine whether a peak level of each of the volume sections extracted by the volume extractor exceeds a threshold level, and in response to determining the peak level of a volume section among the volume sections exceeds the threshold level, control the communicator to generate an event signal for cancelling a job for a pattern image displayed on the display apparatus based on a touch input and transmit the event signal to the display apparatus.

Abstract: An apparatus and method of processing three-dimensional (3D) images on a multi-layer display may generate virtual depth information based on original depth information, and display 3D images having various depth values using the generated virtual depth information. Also, the apparatus and method may appropriately provide color information to each of a plurality of display layers, thereby preventing an original image from being damaged.

Abstract: An image processing apparatus is disclosed. A calculation unit may determine a disocclusion region of a first frame of a video. A processing unit may generate color information of the disocclusion region of the first frame using color information associated with a second frame of the video.

Abstract: A display apparatus is disclosed. The display apparatus includes a display panel, a photonic crystal array which is arranged on at least one side of the display panel and displays an image based on an applied voltage, an electrode which applies voltage to the photonic crystal array, and a controller which controls so that voltage is applied to the photonic crystal array based on image information displayed on the display panel.

Abstract: A display apparatus is disclosed. The display apparatus includes a display panel; a touch sensor which senses whether a display screen of an external display apparatus is touched on the display panel; and a controller which transmits first data to the external display apparatus through a touch area between the display panel and the external display apparatus, and obtains second data transmitted from the external display apparatus using the touch sensor.

Abstract: A display apparatus and control method are provided. The display apparatus includes a transparent display panel, an image processor that processes an image signal to display an image on the transparent display panel based on the processed image signal, a sensor which senses a user located in front of and behind the transparent display panel. The display apparatus includes a controller that determines by the sensor whether a user is located in front of, or behind, the transparent display panel if the image is displayed on the transparent display panel to be normally recognized by a user located in front of the transparent display panel. The controller controls the image processor to selectively display on the transparent display panel a reverse image of the image to be normally recognized by a user located behind the transparent display panel according to the determination.

Abstract: A method to enhance detail of an image based on noise elimination includes calculating a noise weight corresponding to a probability that a center pixel, located in a block of pixels of a region of the image, is noise by using a difference between the center pixel and a surrounding pixel located in the block of pixels, calculating a first substitution value for the center pixel based on the noise weight; and calculating a second substitution value for the center pixel by using the noise weight and a sharpen filter.

Abstract: A block noise reduction system and method which may determine a feature value of a local texture at each location of input pixel, may selectively determine 1D filtering mode or 2D filtering mode as a filtering mode based on the determined feature value, and may perform filtering to preserve an edge according to the determined filtering mode.

Abstract: A markerless motion capturing apparatus and method is provided. The markerless motion capturing apparatus may track a pose and a motion of a performer from an image, inputted from a camera, without using a marker or a sensor, and thereby may extend an application of the markerless motion capturing apparatus and selection of a location.

Abstract: A liquid crystal panel includes an upper plate, a lower plate, and a liquid crystal layer accommodated between the upper plate and the lower plate. The upper plate includes a front glass substrate, a color filter layer formed on a rear surface of the front glass substrate, and a front polarizing film is attached to a front surface of the front glass substrate. The color filter layer includes a plurality of N color filters and black matrices for separating the color filters from each other. A plurality of patterns for recognizing coordinates are provided on a front side of the upper plate in such a manner that the N color filters correspond to one of the plurality of patterns for recognizing the coordinates, where N is a natural number.

Abstract: A display apparatus, an input apparatus connected to the display apparatus, and controlling methods thereof are provided. The display apparatus includes: a plurality of displays which provide a screen displaying a signal-processed image; an interface which receives coordinate information of the screen recognized by the input apparatus, from the input apparatus; and a controller which controls the display apparatus to change and provide a luminance to a preset area on the screen provided by the plurality of displays, by using the received coordinate information.

Abstract: A method and a system for recognizing a touch point, and a display apparatus are provided. The method for recognizing the touch point includes emitting, by the display apparatus, an infrared ray (IR) signal to pass through a liquid crystal display (LCD) panel, the LCD panel including regions, each region having a different pattern; photographing, by the digital pen using an IR camera, a pattern through which the IR signal passes at a touch point on the display apparatus that is touched by the digital pen, obtaining an IR image corresponding to the touch point; and recognizing, by the digital pen, the touch point using the IR image.

Abstract: A method of enhancing a contrast and an apparatus for enhancing a contrast are provided. The method of enhancing the contrast includes: dividing an image into a plurality of blocks and calculating an average luminance value of each block; interpolating a peripheral luminance value for each input pixel of the image by using the average luminance value; and enhancing the contrast of the input pixel by using the interpolated peripheral luminance value of the input pixel and a unique luminance value of the input pixel.

Abstract: A method and system for recognizing a touch of a display system including a plurality of touch screens is provided. The method for recognizing a touch of a display system including a plurality of touch screens includes: operating each of the plurality of touch screens according to an individually set pulse signal; in response to a point on a touch screen of the plurality of touch screens being touched by a digital pen, detecting a pulse signal of the touched touch screen by the digital pen; determining coordinate information of the touched point by the digital pen; and recognizing the touch screen among the plurality of touch screens and coordinate information of the touched point according to at least one characteristic of the detected pulse signal.

Abstract: A method and apparatus for displaying an object are provided. The display apparatus includes a display unit which displays an object, a first touch sensing unit which senses a user input by a first input method, a second touch sensing unit which senses a user input by a second input method, a coordinate calculation unit which calculates coordinate values sensed by the first and the second touch sensing units, and a controller which, in response to a user input being simultaneously sensed by the first and the second touch sensing units, compares the coordinate values sensed by the first and the second touch sensing units and determines whether the user input is a single touch input or a multi-touch input, and, according to a result of the determination, controls to display the object on the display unit.

Abstract: A method of inputting a user command on a display using an electronic pen includes emitting light in the direction of the display using a light source of the electronic pen and capturing the display with a camera of the electronic pen. The method includes recognizing a Black Matrix (BM) pattern of the display in the captured image and detecting a location on the display at which the light from the light source is emitted by comparing the recognized BM pattern with pre-stored patterns.

Abstract: An image processing method for reducing a power consumption. The image processing method may reduce the power consumption by classifying an input content into a conversion target region and a preservation target region and by converting a luminance of pixels included in the conversion target region. Also, the image processing method may effectively perform a luminance conversion for pixels by separating the input content into the conversion target region and the preservation target region based on a luminance of the pixels of the input content. The image processing method may convert the luminance of the pixels of the conversion target region to maintain a contrast between text pixels and background pixels.

Abstract: An image compensating system, medium, and method, including, a shadow area compensating system, medium, and method which may significantly increase the luminance of each pixel in a dark area with respect to pixels positioned in the vicinity of the corresponding pixel and slightly increase the luminance of each pixel in a bright area. The shadow area compensating method includes calculating a representative luminance Lav of each pixel having image information by reflecting the luminance of the corresponding pixel and the luminances of pixels positioned in the vicinity of the corresponding pixel, determining a compensation luminance ratio using the calculated representative luminance, and increasing an output luminance on the basis of the compensation luminance ratio.

Abstract: An image processing apparatus and a method to reduce power consumption of a self-luminous display. The image processing apparatus includes a parameter selection unit to select a parameter to adjust a degree to which power consumption is reduced; a scale factor setting unit to extract a high-frequency component of a current pixel in an input image and to set a scale factor according to the selected parameter and a size of the extracted high-frequency component; and a multiplier to multiply the current pixel by the set scale factor and to output a result of the multiplication.

Abstract: Disclosed are a display apparatus and a driving method of a display panel thereof, the display apparatus including: a backlight unit which generates and emits light; a display panel which includes a plurality of unit pixels, and displays a first image using the light emitted by the backlight unit; and a panel driver which sets a total number of unit pixel groups including a preset number of unit pixels, from among the plurality of unit pixels, to be different from a total number of pixels of the first image, and selectively drives different unit pixels of a unit pixel group, at different times, to transmit the light therethrough.