Patent application number | Description | Published |
20080239154 | NOISE REDUCTION APPARATUS AND NOISE REDUCTION METHOD - According to one embodiment, an input image signal is passed through a plurality of first high pass filters having different passing frequency band to generate level histograms. High frequency component noise reduction processing is applied to the output of one of the first high pass filters selected based on one of the generated histograms that satisfies a predetermined threshold, low frequency component noise reduction processing is applied to a result obtained by subtracting the output of the selected first high pass filter from the input image signal, and outputs obtained by both the noise reduction processing are added. | 10-02-2008 |
20090079875 | MOTION PREDICTION APPARATUS AND MOTION PREDICTION METHOD - According to one embodiment, a motion prediction apparatus includes: a similarity detector that detects block similarities indicating degree of similarities between a pixel block in a current frame and pixel blocks in a next frame; a smoothness detector that detects smoothness level of the pixel block in the current frame, the smoothness level indicating smallness of an image variance of the pixel block; a weighting unit that applies weights to each of the block similarities based on the smoothness level; and a motion vector determination unit that determines a motion vector of the pixel block in the current frame based on the weighted block similarities. | 03-26-2009 |
20090167939 | VIDEO SIGNAL PROCESSOR AND VIDEO SIGNAL PROCESSING METHOD - According to one embodiment, a video signal processor has a moving block determining module, a vertical edge detector, a moving block number counter, a moving field determining module, a pulldown pattern detector, and a pulldown signal determining module. The moving block determining module divides each field configuring an input video signal into a plurality of blocks, and determines a motion of a block within the plurality of blocks, the block of which the motion is determined having a same spatial position within two fields adjacent to each other. The vertical edge detector detects a vertical edge within each of the plurality of blocks in the each field. The moving block number counter counts a number of moving blocks excluding a block having the vertical edge within a screen based on the detection result of the vertical edge detector and the determination result of the moving block determining module. The moving field determining module determines a motion between the each field based on the counting result of the moving block number counter. The pulldown pattern detector detects a 2:2 pulldown pattern based on the determination result of the moving field determining module. The pulldown signal determining module determines whether the input video signal is a 2:2 pulldown signal depending on the detection result of the pulldown pattern detector. | 07-02-2009 |
20100079665 | Frame Interpolation Device - A frame interpolation device includes: a motion vector detecting module configured to divide each of input frame images into a plurality of blocks and detect motion vectors by performing block matching; a distribution detecting module configured to detect a distribution of spatial frequency components of a current input frame image; a feature analyzing module configured to analyze a feature of the current input frame image based on the distribution; a control module configured to control the motion vector detecting module according to the detected feature; an interpolation frame generating module configured to generate an interpolation frame image using the detected motion vectors according to the detected feature; and an output module configured to insert the interpolation frame image between the input frame images and output resulting output frame images. | 04-01-2010 |
20100220239 | INTERPOLATION FRAME GENERATION APPARATUS, INTERPOLATION FRAME GENERATION METHOD, AND BROADCAST RECEIVING APPARATUS - According to one embodiment, an interpolation frame generation apparatus according to one embodiment, which generates an interpolation frame image to be inserted between continuous frame images, includes a block specific detector configured to execute block matching processing in one of blocks included in the continuous frame images and determine a block specific motion vector, a pixel specific detector configured to, for each pixel of a block of interest of the blocks, define, as a candidate vector, a motion vector most frequently applied among pixel specific motion vectors already determined in a block adjacent to the block of interest and execute matching processing between the candidate vector and each pixel of the block of interest, thereby detecting a pixel specific motion vector, and a generator configured to generate an interpolation frame image based on the block specific motion vector and the pixel specific motion vector. | 09-02-2010 |
20100245674 | INTERPOLATION FRAME GENERATION APPARATUS, INTERPOLATION FRAME GENERATION METHOD, AND BROADCAST RECEIVING APPARATUS - According to one embodiment, an interpolation frame generation apparatus generates an interpolation frame image to be inserted between continuous frame images. The interpolation frame generation apparatus includes a motion vector detection module and a generation module. The motion vector detection module is configured to execute block matching processing in each of a plurality of blocks included in the continuous frame images and specify one motion vector on an interpolation frame. The generation module is configured to, for an interpolation block in which the motion vector detection module specifies one motion vector, generate an interpolation frame image based on the motion vector, and for an interpolation block in which the motion vector detection module does not specify one motion vector, generate an interpolation frame image based on the frame image containing no motion vector component. | 09-30-2010 |
20100246690 | IMAGE CODING DISTORTION REDUCTION APPARATUS AND METHOD - According to one embodiment, the apparatus of the embodiment of the invention has following modules. A decoder decodes a coded moving image signal to obtain a decoded moving image signal. A coding implementation information acquisition module acquires coding implementation information used when the coding is carried out. A motion detector obtains a motion detection output indicating a motion of an image. A coding distortion reduction module has a plurality of kinds of distortion reducing characteristics which reduce a plurality of kinds of coding distortions included in the decoded moving image signal. A coding distortion reduction controller controls the plurality of kinds of distortion reducing characteristics in accordance with the output of the coding implementation information and the motion detection output. | 09-30-2010 |
20100283770 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - According to one embodiment, an image display apparatus comprises a detector configured to detect an illuminance of surroundings, an upper and lower limit calculator configured to calculate an upper limit and a lower limit of luminance based on the detection result of the illuminance, a luminance calculator configured to calculate the luminance of each of light sources to display an image based on an input image signal in the range of the upper limit to the lower limit, a correction module configured to correct the input image signal based on the calculated luminance, a light emitter configured to emit light based on the calculated luminance, the light emitter includes the light sources, and a light modulator configured to display an image by modulating light from each of the light sources based on the corrected input image signal. | 11-11-2010 |
20100328529 | STILL SUBTITLE DETECTION APPARATUS, VISUAL DISPLAY EQUIPMENT, AND IMAGE PROCESSING METHOD - According to one embodiment, to detect a still subtitle part included as a part of an image in a video signal, the still subtitle detection apparatus detects in pixel units a subtitle part from a video frame formed of pixels. The apparatus includes a subtitle part determination module and a still subtitle detection module. The subtitle part determination module determines, as the subtitle part, a pixel or pixel group on the high-luminance region side (white peak) that neighbors the detection position of an image edge where a luminance level changes or on the low-luminance region side (black bottom) that neighbors the detection position of the image edge where the luminance level changes. When it is detected that the subtitle part remains unchanged by comparing two continuous video frames along the time axis, the still subtitle detection module detects the subtitle part as a still subtitle. | 12-30-2010 |
20110293000 | IMAGE PROCESSOR, IMAGE DISPLAY APPARATUS AND IMAGE PROCESSING METHOD - In one embodiment, an image processor includes: a decoder configured to decode a coded moving image signal, and generate a decoded moving image signal; an output module configured to output a picture type of a field or a frame of the decoded moving image signal; a detector configured to detect an inter-frame difference of the field or the frame of the decoded moving image signal at least every time the output picture type is changed; a flicker reduction module configured to reduce flicker noise included in the decoded moving image signal by using the decoded moving image signal of a plurality of the fields and frames; and a controller configured to control a strength of the reduction effect of the flicker noise with respect to the field or the frame of a same picture type as the changed picture type based on the inter-frame difference. | 12-01-2011 |
20120033054 | Stereoscopic Video Display Apparatus and Display Method - In one embodiment, a stereoscopic video display apparatus includes: a plane display unit including a display screen in which first to third subpixels having respectively different color components are arranged in a matrix form; and an optical plate. The plane display unit includes a configuration obtained by arranging a first subpixels and the second subpixels alternately on a first subpixel row, arranging the third subpixels on a second subpixel row adjacent to the first subpixel row, arranging the first subpixels and the second subpixels alternately on a third subpixel row adjacent to the second subpixel row to have a sequence opposite to that on the first subpixel row, arranging the third subpixels on a fourth subpixel row adjacent to the third subpixel row, and arranging a set of the first to fourth subpixel rows in the column direction of subpixels on the display screen repeatedly. | 02-09-2012 |
20120033055 | Stereoscopic Video Display Apparatus and Display Method - In one embodiment, a stereoscopic video display apparatus is configured to assign one subpixel column to each of a plurality of parallax images, and select three subpixels, which are the first to third subpixels, arranged consecutively in the column direction of subpixels with the third subpixel located in the center, as a pixel displaying each parallax image; cause pixels adjacent in the column direction of subpixels in each parallax image to share the first subpixel or the second subpixel; divide each of frames displaying a stereoscopic video into two subframes; assign one pixel from among the plurality of parallax images to each row in each subframe; display odd-numbered rows when displaying one of the first and second subframes; and display even-numbered rows when displaying the other of the first and second subframes. | 02-09-2012 |
20120033056 | Stereoscopic Video Display Apparatus and Display Method - In one embodiment, a stereoscopic video display apparatus includes: a plane display unit including a display screen in which first to third subpixels having respectively different color components are arranged in a matrix form; and an optical plate disposed to be opposed to the plane display unit and having a plurality of optical aperture parts. The plane display unit includes a configuration obtained by arranging the first subpixels on a first subpixel row, arranging the third subpixels on a second subpixel row adjacent to the first subpixel row, arranging the second subpixels on a third subpixel row adjacent to the second subpixel row, arranging the third subpixels on a fourth subpixel row adjacent to the third subpixel row, and arranging a set of the first to fourth subpixel rows in the column direction of subpixels on the display screen repeatedly. | 02-09-2012 |
20120033058 | Stereoscopic Video Display Apparatus and Display Method - In one embodiment, a stereoscopic video display apparatus is configured to divide each of frames displaying a stereoscopic video into two subframes; assign one pixel from among the plurality of parallax images to each row in each subframe; display parallax images of a first group from among the plurality of parallax images in odd-numbered rows and displaying parallax images of a remaining second group from among the plurality of parallax images in even-numbered rows, when displaying one of the first and second subframes; and display parallax images of the second group in odd-numbered rows and displaying parallax images of the first group in even-numbered rows when displaying the other of the first and second subframes. | 02-09-2012 |