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The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 7436984 | Method and system for stabilizing video data The invention relates to a method for stabilizing a video recording of a scene made by a video camera and represented by video data, said method comprising the steps of subdividing said video data into a plurality of successive frames themselves divided into a plura... | 10/14/2008 |
| 7412003 | Transcoders and methods Transcoding as from MPEG-2 SDTV to MPEG-4 CIF reuses motion vectors and downsamples in the frequency (DCT) domain with differing treatments of frame-DCT and field-DCT blocks, and alternatively uses de-interlacing IDCT with respect to the row dimension plus deferred ... | 08/12/2008 |
| 7362379 | Image processing apparatus and method, recording medium, and program Inter-field-interpolation spatial transition is calculated based on the sum of absolute values of differences between pixel values of an inter-field-interpolated pixel and adjacent pixels on the same field. Inter-field-interpolation temporal transition is calculated... | 04/22/2008 |
| 7352373 | Systems and methods for multi-dimensional dither structure creation and application Embodiments of the present invention comprise systems and methods for creation, modification and implementation of dither pattern structures. ... | 04/01/2008 |
| 7349475 | Motion vector detection method and apparatus A motion vector detection method includes extracting a first block from the m-th picture, extracting second blocks having a large correlation with respect to the first block from a (m+n)-th picture ((m+n)>m-th), detecting first motion vectors between the first and s... | 03/25/2008 |
| 7339991 | Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding with reduced requirements of division operations A method and apparatus for performing motion estimation in a digital video system is disclosed. Specifically, the present invention discloses a system that quickly calculates estimated motion vectors in a very efficient manner. In one embodiment, a first multiplican... | 03/04/2008 |
| 7336838 | Pixel-data selection device to provide motion compensation, and a method thereof A pixel-data selection device providing motion compensation, and a method thereof. A first and a second storage parts store a current frame/field including first pixel-data and a previous frame/field including second pixel-data, respectively, corresponding to at lea... | 02/26/2008 |
| 7333544 | Lossless image encoding/decoding method and apparatus using inter-color plane prediction A lossless image encoding/decoding method and apparatus. The lossless color image encoding apparatus includes a motion prediction image generator estimating a motion between a previous image and a current image and outputting a corresponding prediction image, a resi... | 02/19/2008 |
| 7310372 | Motion vector encoding device and decoding device A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction er... | 12/18/2007 |
| 7305035 | Variable length encoding method and variable length decoding method A variable length coding method is provided for coding coefficients in each block which are obtained by performing frequency transformation on picture data of a moving picture per block having a predetermined size, and includes: a coefficient scanning step of scanni... | 12/04/2007 |
| 7272182 | Motion vector encoding device and decoding device A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction er... | 09/18/2007 |
| 7263239 | Method for resizing images using the inverse discrete cosine transform A method for resizing images using the inverse discrete cosine transform (IDCT). The method enables digital video processing devices such as DVD players, digital broadcast receivers, or HD TVs to enlarge an original image to an arbitrary size without resulting in di... | 08/28/2007 |
| 7251276 | Loop-filtering method for image data and apparatus therefor A loop-filtering method for reducing quantization effect generated when an image data is encoded and decoded, and an apparatus therefor. The loop-filtering method includes the steps of extracting a flag indicating whether the image data requires loop-filtering using... | 07/31/2007 |
| 7242716 | Video encoding method and apparatus and video decoding method and apparatus A video encoding method includes extracting at least one reference macroblock from each of a plurality of reference frames to generate a plurality of reference macroblocks, computing a linear sum of the reference macroblocks using weighting factors to generate a pre... | 07/10/2007 |
| 7236634 | Image encoding of moving pictures In an encoding method of moving pictures which generates a predictive picture for a current picture based on a reference picture and a motion vector, a macroblock is divided into subblocks. In each of the plurality of subblocks, an initial value of the motion vector... | 06/26/2007 |
| 7215384 | Method and apparatus for simplifying field prediction motion estimation Motion estimation on a received stream of data comprising at least a predicted frame and an anchor frame, and utilizing even-parity field prediction to predict content of each of a plurality of fields of the predicted frame from corresponding fields of the anchor fr... | 05/08/2007 |
| 7203236 | Moving picture reproducing device and method of reproducing a moving picture A moving picture reproducing device includes a compressed data buffer, a display size obtaining unit, a resolution selecting unit, four kinds of resolution decoding units, and a frame data buffer. Compressed moving picture is received by the compressed data buffer a... | 04/10/2007 |
| 7139440 | Method and apparatus for encoding photographic images A method of encoding images comprising the steps of retrieving a source image file including pixel data, transforming the source image file pixel data into a destination data set of pixel data representative of a modified partial equi-rectangular projection, and out... | 11/21/2006 |
| 7110456 | Video encoder, video decoder, video encoding method, video decoding method, and video encoding and decoding system A method and a video decoder for decoding an encoded bitstream of video data in a picture encoding and decoding system are disclosed. The video decoder includes a motion compensation unit for calculating a position for a sample image portion using an encoded bitstre... | 09/19/2006 |
| 7023919 | Method for coding motion vector using 2-dimensional minimum bitrate predicting technique A method for coding a motion vector using a 2-dimensional minimum bitrate predicting technique is disclosed. A mode information (MODE) commonly adopted to the factors ‘X’ and ‘Y’ are transmitted to thereby reduce its transmission burden by using the two-dime... | 04/04/2006 |
| 6968005 | Video coding A method of encoding a video signal representing a sequence of pictures, the method employing both non-temporal prediction and temporal prediction, wherein the method comprises, for each picture that forms a reference picture for the temporal prediction of another p... | 11/22/2005 |
| 6956971 | Terminal and method for transporting still picture Terminal and method for transporting a still picture uses a moving picture terminal after extraction of a frame unit of still pictures, for example, from a moving picture. The extracted still picture frames can be encoded in a fixed quantizing value and stored befor... | 10/18/2005 |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6937659 | Apparatus and method for compressing video information A method and apparatus is disclosed for efficiently encoding data representing a video image, thereby reducing the amount of data that must be transferred to a decoder. The method includes transforming data sets utilizing a tensor product wavelet transform which is ... | 08/30/2005 |
| 6931066 | Motion vector selection based on a preferred point A method of selecting a motion vector for use in a motion estimation system in which the motion vector defines movement of a block of pixels between a search window and a reference frame. The method includes the steps of scanning a search window in a fixed order for... | 08/16/2005 |
| 6931062 | Decoding system and method for proper interpolation for motion compensation The present invention can complement and benefit virtually any method utilizing motion compensation to decode an inputted digital video data stream by determining a likely local nature of reference frame data area in the video data stream and then applying proper in... | 08/16/2005 |
| 6930618 | Encoding method and apparatus, and decoding method and apparatus In an encoding apparatus (10), a code table group exchange judgment unit (12) selects a group of code tables from a plurality of groups of code tables according to the property such as tonality of a spectrum signal D11, and a quantization unit (... | 08/16/2005 |
| 6925122 | Method for video-based nose location tracking and hands-free computer input devices based thereon A method for tracking the location of the tip of the nose with a video camera, and a hands-free computer input device based thereon have been described. According to this invention, a convex shape such as the shape of the tip of the nose, is a robust object suitable... | 08/02/2005 |
| 6922442 | Apparatus and method of encoding moving picture signal Input moving pictures are encoded with motion-compensated prediction. Detected first is an mount of codes generated for each encoded picture of the input moving pictures. Detected next is an average quantization scale factor of quantization scale factors used for qu... | 07/26/2005 |
| 6876702 | Motion vector detection with local motion estimator A method and apparatus of encoding digital video, for example according to the ISO/IEC MPEG standards (ISO/IEC 11172-2 MPEG-1 and ISO/IEC 13818-2 MPEG-2), which employs a local motion estimator for determining respective local motion vectors for groups of adjacent m... | 04/05/2005 |
| 6876703 | Method and apparatus for video coding A video coding method progressively refines a predicted motion vector to obtain an estimated motion vector. Subsequent steps are omitted if the estimated motion vector matches a current macroblock. Variable matching thresholds can permit dynamic adjustment of image ... | 04/05/2005 |
| 6847686 | Video encoding device Video encoding device including a video input processor, for receiving said video signal, a global controller, for controlling the global operation of the video encoding device, a motion estimation processor, a digital signal processor and a bit-stream processor, wh... | 01/25/2005 |
| 6839384 | Method and apparatus for decoding compressed video signals The top field of a coded picture is exclusively decoded. If the decoded field is structured as field picture and the top field of a reference picture is referenced, decoded motion vectors are used to perform a motion compensation. If the nonexistent bottom field of ... | 01/04/2005 |
| 6782054 | Method and apparatus for motion vector estimation A method to enhance motion estimation is provided. The method includes providing a motion estimator, obtaining at least two candidate motion vectors from the motion estimator and applying an error function having a penalty that depends on the position and size of th... | 08/24/2004 |
| 6704363 | Apparatus and method for concealing error in moving picture decompression system An apparatus and method for concealing error in moving picture decompression system is disclosed. The present invention predicts motion vectors of a damaged block from motion information of a previous block and an upper block adjacent to the damaged block... | 03/09/2004 |
| 6690727 | Image processing Image processing includes storing N groups of pixels in respective memory banks, each group containing M pixel blocks of a first image and determining matches for two different pixel blocks in a second image that is temporally adjacent to the first image ... | 02/10/2004 |
| 6560366 | Method for analyzing the content of a video signal A method for analysing differences in the content of successive frames of a digital video sequence to create a profile that predicts the likely perceptual significance of and allows separation and classification of different type of signal component.... | 05/06/2003 |
| 6522785 | Classified adaptive error recovery method and apparatus A method, apparatus, and article of manufacture for restoring a deteriorated signal to an undeteriorated signal. A deteriorated signal consists of a plurality of deteriorated and undeteriorated data points. The data signal is preprocessed into a motion co... | 02/18/2003 |
| 6513162 | Dynamic video communication evaluation equipment In a dynamic video communication evaluation equipment for analyzing codes by multiple methods for evaluating a dynamic video image, an analysis including estimation is performed to fix a reliability of the analysis result, enabling a processing terminatio... | 01/28/2003 |
| 6385244 | Video encoding device Video encoding device including a video input processor, for receiving said video signal, a global controller, for controlling the global operation of the video encoding device, a motion estimation processor, a digital signal processor and a bit-stream pr... | 05/07/2002 |
