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| Number | Title | Issue Date |
| 7277484 | Image coding and decoding method and apparatus considering human visual characteristics An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is g... | 10/02/2007 |
| 7277486 | Parameterization for fading compensation Techniques and tools for performing fading compensation in video processing applications are described. For example, during encoding, a video encoder performs fading compensation using fading parameters comprising a scaling parameter and a shifting parameter on one ... | 10/02/2007 |
| 7277586 | Images combination processing system, images combination processing method, and images combination processing program An images combination processing system has a CCD or an imaging element including CCDs for picking up an image, compression processing portions for applying JPEG compression, etc. to image data in respective areas into which a picked-up image is divided, a buffer fo... | 10/02/2007 |
| 7277558 | Method and system for estimating the position of moving objects in images A method and system are disclosed for estimating a position of moving objects in a set of image data. In accordance with exemplary embodiments of the present invention, a position of an object is identified in a first frame of image data acquired at a first time. Th... | 10/02/2007 |
| 7277587 | System and method for lossless video coding A lossless video coding method is provided. The method comprises: accepting a current input macroblock (MB) of pixel information; subtracting a current prediction MB from the current input MB, creating a current difference MB; entropy encoding the current difference... | 10/02/2007 |
| 7274828 | Method and apparatus for detecting and processing noisy edges in image detail enhancement A method and system that detect image pixels of noisy and sharp image edges, and enhance such pixels differently than other pixels, so that noise around the detected pixels is essentially not boosted. A detection process is conducted on a pixel basis, wherein each p... | 09/25/2007 |
| 7274740 | Wireless video transmission system A transmission systems suitable for video. ... | 09/25/2007 |
| 7272268 | Registration of separations Separations or images relating to film or other fields may be registered using a variety of features, such as, for example: (1) correcting one or more film distortions; (2) automatically determining a transformation to reduce a film distortion; (3) applying multiple... | 09/18/2007 |
| 7272791 | Device, method and system for multimedia content adaptation The invention concerns a device receiving data associated with a first profile and generating data associated with a second profile, comprising means to extract facts associated with the first profile, means to extract facts associated with the second profile, a set... | 09/18/2007 |
| 7272186 | Loop filtering method in video coder Disclosed is a loop filtering method in a video coder enabling to provide an easy real-time processing by reducing a calculation quantity of a video coder in realizing a H.26L standard system and increase a video quality by removing a blocking and a ringing phenomen... | 09/18/2007 |
| 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 |
| 7272185 | Moving picture encoding apparatus Data of both MPEG-2 and MPEG-4 is generated simultaneously with a small circuit scale and a small power consumption. A moving picture encoding apparatus for encoding a moving picture through motion-compensated inter-frame prediction has: a MPEG-2 encoding unit inclu... | 09/18/2007 |
| 7269220 | Adaptive motion detection and control A motion detector (300) detects motion of images represented by video pixels by providing a memory (19) arranged to store first pixels processed during a first time period. The motion detector (300) responds to differences between the first pixe... | 09/11/2007 |
| 7269221 | Encoding system using motion vectors to represent frame-to-frame changes, including motion vector grouping for coding or processing Motion vectors encode for differences between segments of a reference frame and pixels of a current frame being encoded when the current frame is a nonkey frame. The motion vectors are encoded by grouping one or more segments of the frame into a group of segments, g... | 09/11/2007 |
| 7269304 | Transcoder system for adaptively reducing frame-rate A transcoder system for adaptively reducing frame rate is provided, which can change audio-visual stream of a GOP (group of picture). Each picture in the GOP consists of a plurality of macroblocks. The transcoder system includes a switching device, a variable length... | 09/11/2007 |
| 7269785 | Digital manipulation of video in digital video player According to the invention, a technique for operating a digital versatile disk (DVD) system is disclosed. First digital information is read from a DVD player. The first digital information is decompressed to create second digital information that is stored. In order... | 09/11/2007 |
| 7266245 | Image signal compression method and system An image signal compression method and system. Without involving the current processing pixel, an encryption key and a decryption key are respectively and separately generated by a compression subsystem and a decompression subsystem. Both of the encryption and decry... | 09/04/2007 |
| 7266243 | Methods and systems for complexity-based segmentation refinement Embodiments of the present invention comprise methods and systems for image complexity estimation and selective complexity-based image processing. ... | 09/04/2007 |
| 7266252 | Methods and systems for complexity-based variable process selection and application Embodiments of the present invention comprise methods and systems for image complexity estimation and selective complexity-based image processing. ... | 09/04/2007 |
| 7266149 | Sub-block transform coding of prediction residuals Techniques and tools for sub-block transform coding are described. For example, a video encoder adaptively switches between 8×8, 8×4, and 4×8 DCTs when encoding 8×8 prediction residual blocks; a corresponding video decoder switches between 8×8, 8×4, and 4×8 i... | 09/04/2007 |
| 7266242 | Methods and systems for complexity-based regional process selection Embodiments of the present invention comprise methods and systems for image complexity estimation and selective complexity-based image processing. ... | 09/04/2007 |
| 7262719 | Fast data stream decoding using apriori information Methods and systems for improving performance of data decoding using apriori information about the data steam. In one aspect a decoder may determine the degree of lossiness inherent in the data or in the application of the data as a maximum resolution of data to be ... | 08/28/2007 |
| 7262721 | Methods of and apparatuses for adaptive entropy encoding and adaptive entropy decoding for scalable video encoding Methods and apparatuses are provided for adaptive entropy encoding and adaptive entropy decoding using various context models. A scalable entropy encoding method includes determining a context by referring to both syntax elements in the same layer as a block includi... | 08/28/2007 |
| 7263128 | Triple-buffering method for overlapped motion compensation in a video decoder A method of improving performance within video decoders subject to the execution of overlapped motion compensation. The method utilizes a triple-buffering approach to achieve rapid data transfers and to eliminate transfer and decoding delays. Each of the three buffe... | 08/28/2007 |
| 7263189 | Data transmission and receiving apparatus for digital broadcast signals which include control information In a transmission apparatus, still picture outputting control information is multiplexed to a transmission signal and in a receiving apparatus, still picture is extracted from moving picture. Still picture data to be outputted can be processed and the charge can be ... | 08/28/2007 |
| 7263126 | System and method for transcoding with adaptive bit rate control A system and method are provided for adaptive rate control in the transcoding of video streams. The method comprises: accepting frames of an input MPEG encoded video stream; decoding the video stream; determining video stream complexity; for each frame, calculating ... | 08/28/2007 |
| 7263234 | System and method for video encoding according to degree of macroblock distortion The invention relates to a video image encoding method for distributing a bit rate to a target macroblock in a digital image while performing video image encoding. Choose a comparison area in the digital image according to the location of the target macroblock in th... | 08/28/2007 |
| 7263124 | Scalable coding scheme for low latency applications Fractional parts of quantized video coefficients are used as enhancement layers when encoding a video steam. This use of the fractional parts allows the reuse of decoding components. ... | 08/28/2007 |
| 7262723 | Compensation circuit for clock jitter compensation A compensation circuit for a digital/analogue converter, which is clocked by a clock signal comprising a jitter and converts a digital input data signal into an analogue output data signal comprising a jitter error due to said jitter, comprises a measurement circuit... | 08/28/2007 |
| 7263125 | Method and device for indicating quantizer parameters in a video coding system A method and device for coding of digital video sequence, wherein an indication of quantization parameter (QP) is provided in the encoded bit-stream for decoding purposes. The QP related information is indicated by introducing a sequence level quantization parameter... | 08/28/2007 |
| 7260525 | Filtering of control parameters in quality and rate control for digital audio An audio encoder regulates quality and bitrate with a control strategy. The strategy includes several features. First, an encoder regulates quantization using quality, minimum bit count, and maximum bit count parameters. Second, an encoder regulates quantization usi... | 08/21/2007 |
| 7260642 | Method and system for real-time monitoring image transmission A method for real-time monitoring image transmission. First, the frame is divided into a plurality of sub-blocks and numbered in order. Then, a sub-block with variation is designated as a start sub-block, and sub-blocks adjacent to the start sub-block are searched a... | 08/21/2007 |
| 7257162 | Hypothetical reference decoder for compressed image and video One method for analyzing a bitstream having a plurality of compressed pictures comprises computing an initial arrival time and a final arrival time of a compressed picture, wherein the initial arrival time is equal to an earlier of the final arrival time of the imme... | 08/14/2007 |
| 7257160 | Method and apparatus of picture display A method and an apparatus of picture display. The invention displays the first picture and the second picture and displaying at least one virtual picture in between the first and the second picture. The motion compensator is included in a DVD player. The method incl... | 08/14/2007 |
| 7257263 | Method and apparatus for encoding and decoding motion vectors There is provided a method and apparatus for encoding and decoding motion vectors. Motion vectors are encoded through the steps of: (a) predicting motion vectors of a type identical to that of a present block and obtaining predictive motion vectors with respect to n... | 08/14/2007 |
| 7254166 | Power allocation scheme for DMT-based modems employing simplex transmission The present invention provides a method, apparatus and computer readable medium for allocation of an available power to Discrete Multi-Tone (DMT) frequency tones in a DMT-based Digital Subscriber Line (DSL) modem. In one embodiment, the method includes the steps of:... | 08/07/2007 |
| 7254278 | Digital image processing method The present invention relates to a method of post-processing a digital image (Im) comprising pixels, said digital image being encoded and decoded according to a technique of coding by blocks of pixels. Said method comprises a classification step (6) intended ... | 08/07/2007 |
| 7254174 | Process for changing the resolution of MPEG bitstreams, and a system and a computer program product therefor A process and a system is described for generating an MPEG output bitstream starting from an MPEG input bitstream. The output bitstream has a resolution modified with respect to the resolution of the input bitstream. In the input bitstream, first portions that subst... | 08/07/2007 |
| 7254824 | Encoding optimization techniques for encoding program grid section of server-centric interactive programming guide An interactive program guide (IPG) may include a program grid section and a multimedia section. The program grid section typically contains program information organized in a grid with a time axis and a channel axis. The multimedia section may include video for adve... | 08/07/2007 |
| 7254277 | Image processing with minimization of ringing artifacts and noise A method of reducing ringing artifacts in image data that has been filtered with a high frequency emphasis filter. For each filtered data value, a local variance is calculated from data values at neighboring filter taps. This variance is compared to a threshold, and... | 08/07/2007 |
