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| Number | Title | Issue Date |
| 8189667 | Moving picture encoding apparatus In a moving picture encoding apparatus, a processing load detection section detects a load and outputs load information and a video encoder judges a load level based on the load information. A start pixel in target pixels is determined depending on the load level, t... | 05/29/2012 |
| 8189668 | Video codec with shared intra-prediction module and method for use therewith A video processing device operates in an encoding mode where the processing device encodes an input signal and in a decoding mode where the video processing device decodes the input signal. The video processing device includes an intra-prediction module that generat... | 05/29/2012 |
| 8184698 | Method and apparatus for decoding/encoding a video signal using inter-layer prediction Embodiments provide a method and apparatus for decoding/encoding a video signal using inter-layer prediction. The method includes obtaining inter-layer prediction identification information and quality identification information. The method further includes obtainin... | 05/22/2012 |
| 8184699 | Method of reducing computations in intra-prediction and mode decision processes in a digital video encoder A method of improving the computation speed of the sum of absolute transformed distances (SATD) for different intra-prediction modes is described. Determining the SATD quicker provides the benefits of better coding performance without suffering the drawbacks of long... | 05/22/2012 |
| 8179966 | Moving picture coding method and moving picture decoding method A moving picture coding apparatus 1 includes a counter unit 102 which counts the number of pictures following an intra coded picture; and a motion estimation unit 101 which compares respectively only reference pictures which are the intra coded ... | 05/15/2012 |
| 8175157 | Apparatus and method for controlling data write/read in image processing system An apparatus and method for writing and/or reading data in an image processing system are provided. The apparatus for writing data includes: a memory formed with at least one or more banks capable of being accessed independently; and a memory control unit controllin... | 05/08/2012 |
| 8170103 | Moving picture coding method and moving picture decoding method A moving picture coding apparatus 1 includes a counter unit 102 which counts the number of pictures following an intra coded picture; and a motion estimation unit 101 which compares respectively only reference pictures which are the intra coded ... | 05/01/2012 |
| 8170102 | Macroblock homogeneity analysis and inter mode prediction An inter mode for encoding a video macroblock is selected. An initial analysis on the macroblock homogeneity is performed to quickly reduce the number of inter modes for which motion estimation and rate distortion calculation are to be performed. An inter mode is se... | 05/01/2012 |
| 8160141 | Advanced video coded pictures—reduced cost computation of an intra mode decision in the frequency domain A method of intra mode prediction uses a block of pixels and their horizontal Hpos and vertical Vpos pixel positions and adjacent horizontal and vertical pixels within an input picture frame signal as inputs for a method for selecting a lowest ... | 04/17/2012 |
| 8155190 | Coding appartus, coding method, program for coding method, and recording medium recording coding method A coding apparatus includes: an intra-coding complexity detecting section that detects an intra-coding complexity indicating a complexity of an intra-coding process; an inter-coding complexity detecting section that detects an inter-coding complexity indicating a co... | 04/10/2012 |
| 8155189 | System and method of coding mode decision for video encoding A method of making a coding mode decision for a current macroblock of a current video frame including determining an INTERSAD value, selecting at least one video characteristic associated with the current video frame, comparing the INTERSAD value with a correspondin... | 04/10/2012 |
| 8144771 | Method and apparatus for image coding and decoding with cross-reference mode An image compression method and apparatus, in which coding efficiency is improved by coding multiple pictures through cross-reference between the pictures, and an image decompression method and apparatus. The image compression method includes dividing each of the pi... | 03/27/2012 |
| 8130834 | Method and system for video encoding using a variable number of B frames An effective method for dynamically selecting the number of I, P and B frames during video coding is proposed. Short-term look-ahead analysis of a video sequence yields a variable number of B frames to be coded between any two stored pictures. The first picture of a... | 03/06/2012 |
| 8126055 | Telop detecting method, telop detecting program, and telop detecting device A telop detecting device includes an MPEG input source, a parameter acquiring unit, a switch, a DCT coefficient evaluating unit, and a result output unit. The MPEG input source acquires an MPEG stream. The parameter acquiring unit acquires parameters necessary for d... | 02/28/2012 |
| 8121193 | Motion picture encoding device and motion picture encoding processing program The minimum Sum of Absolute Differences obtained by a motion vector search roughly judges the magnitude of quantization error by whether or not exceeding a predetermined threshold value. When the quantization error is lower, whether or not visually noticeable noise ... | 02/21/2012 |
| 8111751 | Encoding video Some embodiments of the invention provide a method for encoding a video signal that is formed by a series of successive images. Each image includes several sections, and each section has a set of image values. To encode a particular section of a particular image, th... | 02/07/2012 |
| 8094721 | Methods and apparatuses for selecting a mode within a compression scheme In one embodiment, the methods and apparatuses detect a current macroblock and an adjacent macroblock within the scene; detect a mode of the adjacent macroblock; and select a skip mode as a mode for the current macroblock based on the mode of the adjacent macroblock... | 01/10/2012 |
| 8094722 | Intra prediction method for luma block of video An intra prediction method for a luma block of a video is provided. The present invention provides a solution for unifying the intra prediction of the luma block of the video, which simplifies a plurality of prediction equations defined by video standard. The predic... | 01/10/2012 |
| 8094720 | Mode decision for inter prediction in video coding A method for inter-mode prediction in video coding, the method comprising checking a data block of an image for zero motion; computing frame difference of the data block based on the checking for zero motion; and making an inter-mode prediction selection based on th... | 01/10/2012 |
| 8064519 | Moving picture coding method and moving picture decoding method A moving picture coding apparatus 1 includes a counter unit 102 which counts the number of pictures following an intra coded picture; and a motion estimation unit 101 which compares respectively only reference pictures which are the intra coded ... | 11/22/2011 |
| 8050322 | Bitrate control method and apparatus for intra-only video sequence coding A bitrate control method and apparatus for video sequence coding by using only intra pictures are provided. The rate control method includes: separating a video sequence formed only with intra pictures, into picture group units, slice units, and macroblock units; an... | 11/01/2011 |
| 8040948 | Method and system for coding moving image signals, corresponding computer program product A moving-image signal, such as typically a luminance signal organized in blocks of pixels is coded via a technique that envisages the steps of: comparing a block to be coded with a plurality of candidate prediction blocks; determining, for each candidate prediction ... | 10/18/2011 |
| 8036269 | Method for accessing memory in apparatus for processing moving pictures A method and apparatus for accessing a memory for processing moving pictures, which loads data from a frame buffer of an external memory, and uses a motion prediction technique. The method includes the steps of: loading, from the frame buffer, pixels of a relevant b... | 10/11/2011 |
| 8000390 | Methods and systems for efficient prediction-mode selection Embodiments of the present invention comprise methods and systems for efficient prediction-mode selection. ... | 08/16/2011 |
| 8000389 | Method and device for coding a video picture in inter or intra mode The method is characterized in that the step for selecting a coding mode from the inter modes and from the intra modes is broken down into two sequential steps, a step for preselecting the intra coding mode for preselecting an intra mode for the current macroblock f... | 08/16/2011 |
| 7970057 | Method for scalably encoding and decoding video signal In one embodiment, decoding of a video signal includes predicting at least a portion of a current image in a current layer based on at least an intra-coded portion of a base image in a base layer and shift information for samples in the predicted current image. ... | 06/28/2011 |
| 7944971 | Encoding video Some embodiments of the invention provide a method for encoding a video signal that is formed by a series of successive images. Each image includes several sections, and each section has a set of image values. To encode a particular section of a particular image, th... | 05/17/2011 |
| 7929608 | Method of reducing computations in intra-prediction and mode decision processes in a digital video encoder A method of improving the computation speed of the sum of absolute transformed distances (SATD) for different intra-prediction modes is described. Determining the SATD quicker provides the benefits of better coding performance without suffering the drawbacks of long... | 04/19/2011 |
| 7920625 | Method of processing a current field macroblock In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock. ... | 04/05/2011 |
| 7916787 | Method of processing a current field macroblock In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock. ... | 03/29/2011 |
| 7916786 | Method of processing a current field macroblock In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, obtaining motion vector information for the current field macroblock, and obtaining a field reference picture index associated with the current field mac... | 03/29/2011 |
| 7899116 | Method of selecting a reference picture In one embodiment, the method includes determining a reference field picture from a reference picture list composed of reference frames using index information for a reference field and index information for a reference frame. The determined reference field picture ... | 03/01/2011 |
| 7889792 | Method and system for video encoding using a variable number of B frames An effective method for dynamically selecting the number of I, P and B frames during video coding is proposed. Short-term look-ahead analysis of a video sequence yields a variable number of B frames to be coded between any two stored pictures. The first picture of a... | 02/15/2011 |
| 7864849 | Method for scalably encoding and decoding video signal In one embodiment, decoding of a video signal includes predicting at least a portion of a current image in a current layer based on at least a residual coded portion of a base image in a base layer and shift information for samples in the predicted current image. | 01/04/2011 |
| 7852919 | Field start code for entry point frames with predicted first field A decoder receives a field start code for an entry point key frame. The field start code indicates a second coded interlaced video field in the entry point key frame following a first coded interlaced video field in the entry point key frame and indicates a point to... | 12/14/2010 |
| 7848416 | Video signal encoding apparatus and video data encoding method A video signal encoding apparatus comprises a decoding unit for decoding each compression still image data into a frame image; a supplementary information, extracting unit for extracting supplementary information added to each compression frame image data; a motion ... | 12/07/2010 |
| 7843995 | Temporal and spatial analysis of a video macroblock The temporal and/or spatial characteristics of a macroblock are analyzed in order to reduce the number of modes for which motion estimation and rate distortion efficiency calculations are to be performed. In one embodiment, macroblock mean and variance characteristi... | 11/30/2010 |
| 7839930 | Signaling valid entry points in a video stream Techniques and tools for coding/decoding of digital video, and in particular, for determining, signaling and detecting entry points in video streams are described. Techniques and tools described herein are used to embed entry point indicator information in the bitst... | 11/23/2010 |
| 7835439 | Video compression system A system involves encoding key frames within a data stream as both key frames and delta frames. A data stream including all encoded key and delta frames is formed and upon receipt of a request signal, the formed data stream is transmitted with the first key frame oc... | 11/16/2010 |
| RE41533 | Image processing method, image processing apparatus and data recording medium An image processing method for dividing a digital image signal into plural image signals corresponding to plural blocks constituting a single display screen, and performing block-by-block coding of the image signals of the respective blocks, comprises transforming a... | 08/17/2010 |
