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7620880 |
LDPC concatenation rules for IEEE 802.11n system with packets length specified in OFDM symbols
A method of concatenation for LDPC encoding in an OFDM wireless system selects codewords based on the data packet payload size, wherein the payload size is the number of transmitted information...
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7620543 |
Method, medium, and apparatus for converting audio data
A method, medium, and apparatus for converting compressed audio data, including decoding compressed audio input data, in accordance with a corresponding compression format, coding a result of the...
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7620262 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7620254 |
Apparatus and method for motion-vector-aided interpolation of a pixel of an intermediate image of an image sequence
Method for motion-vector-aided interpolation of a pixel of an intermediate image lying between two input images includes a first pixel being selected from a first field and a second pixel being...
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7620110 |
Method of filing a pixel of an image
In the method, a pixel in a first block of an image is filtered according to a filtering methodology, where the filtering methodology includes determining a filtering strength. A filtering strength...
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7620109 |
Sub-pixel interpolation in motion estimation and compensation
Various techniques and tools for motion estimation and compensation (e.g., in a video encoder/decoder) are described. For example, a video encoder or decoder computes a pixel value at a sub-pixel...
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7620108 |
Integrated spatial-temporal prediction
A method of generating a spatial prediction of a target block of pixels in a target image includes generating a spatial vector for a target block of pixels, using the spatial vector to construct a...
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7620107 |
Video transcoding method and apparatus and motion vector interpolation method
A transcoding method and apparatus and a motion vector interpolation method. The transcoding method and apparatus convert moving picture data from one encoding format to another encoding format....
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7620106 |
Joint coding and decoding of a reference field selection and differential motion vector information
Techniques and tools for joint coding and decoding of reference field selection information and differential motion vector information are described. For example, a video decoder decodes a variable...
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7620105 |
Information processing apparatus, information processing method, and distribution media
An information processing apparatus capable of accurately detecting commercials included in a television broadcast. A commercial candidate section detector detects a commercial candidate section...
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7620104 |
Video coding system
A digital video coding system is provided that is capable of reducing the load of a CPU (Central Processing Unit) that controls a video coding system for implementing a digital video data...
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7620103 |
Programmable quantization dead zone and threshold for standard-based H.264 and/or VC1 video encoding
A video encoder is disclosed that includes an encoder circuit, a quantizer circuit and a control circuit. The encoder circuit may be configured to generate a number of coefficient values in...
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7620102 |
Digital broadcasting transmission and reception system
A digital broadcasting transmission and reception system includes a digital broadcasting transmission apparatus and a digital broadcasting reception apparatus. The digital broadcasting transmission...
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7620101 |
Equalizer circuit, communication system, and method that is adaptive to varying launch amplitudes for reducing receiver error
A transmission line equalizer, communication system, and method are provided for adaptively compensating for changes in transmission path length and transmission path medium. Within the equalizer...
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7616833 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616832 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616831 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616824 |
Method for spatially scalable video coding
A method for decomposing a digital image at resolution R and MR into a set of spatial sub-bands of resolution R and MR where MR>R and where the high-band at resolution MR is calculated by...
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7616823 |
Image processing method and image processing apparatus
Information associated with data which was previously transmitted to a client terminal ( 201 or 202 ) is recorded as a history. When a transmission request of data of logical units in tiles...
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7616693 |
Method and system for detecting motion between video field of same and opposite parity from an interlaced video source
A method and system for detecting the motion between a video field and its previous and subsequent video fields at a specified position. The motion detection scheme and system allows signal values...
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7616692 |
Hybrid motion vector prediction for interlaced forward-predicted fields
Techniques and tools for hybrid motion vector prediction for interlaced forward-predicted fields are described. For example, a video decoder determines an initial motion vector predictor for a...
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7616691 |
Video encoding/decoding method and apparatus
A video encoding apparatus comprises a frame memory/predictive image generator having a first predictive mode for generating a predictive image signal by selecting a combination from among a...
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7616690 |
Method and apparatus for adaptive encoding framed data sequences
Methods and apparatus for adaptive encoding of at least a part of a current frame of a sequence of frames of framed data are described which operate on a block-by-block coding basis. The methods...
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7616689 |
Calculation of interpolated pixel values
The invention is related to video compression systems, and in particular to compression/decompression in digital video systems. The present invention discloses an alternative method to calculate...
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7616688 |
VSB transmission system for processing supplemental transmission data
A VSB communication system or transmitter for processing supplemental data packets with MPEG-II data-packets includes a VSB supplemental data processor and a VSB transmission system. The VSB...
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7616687 |
Signal compressing system
A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for...
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7614070 |
Technique for synchronizing deliveries of information and entertainment in a communications network
In a broadband communications system, e.g., a cable system, a broadcast program stream is transmitted to broadcast programming content, and the broadcast program stream is recorded in a headend of...
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7613819 |
Image reproduction apparatus, control method thereof, program and storage medium
An object of this invention is to suppress discontinuity of a moving image as much as possible. In order to achieve this object, an image reproduction apparatus includes a buffer which temporarily...
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7613630 |
System and method for editing existing footage to generate and distribute advertising content to retail locations
A system and method for displaying content at a business establishment. The system includes a local network in communication with a content delivery system. The local network includes an electronic...
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7613605 |
Audio signal encoding apparatus and method
An audio signal encoding apparatus includes a frame dividing unit ( 1 ), an auditory psychological arithmetic unit ( 2 ), a filter bank unit ( 3 ), a scale factor calculation unit ( 4 ) which...
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7613241 |
Method of filtering a pixel of an image
In one embodiment, a pixel in a block of the image is filtered according to a filtering methodology. The filtering methodology includes determining a filtering strength value. This determining step...
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7613240 |
Adaptive filtering based upon boundary strength
Adjacent regions are identified in an image. Coding parameters for the adjacent regions are identified. Selective filtering is performed at the region between the identified adjacent regions.
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7612832 |
Method and system for video clip compression
In a method for compressing a video clip containing audio content and image content, an image and/or an audio portion of individual video frames of the video clip are analyzed. Next frame scores...
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7609902 |
Implementation of discrete cosine transformation and its inverse on programmable graphics processor
The discrete cosine transform (DCT) is mapped to a graphics processing unit (GPU) instead of a central processing unit (CPU). The DCT can be implemented using a shader-based process or a host-based...
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7609882 |
Image compression and decompression method capable of encoding and decoding pixel data based on a color conversion method
An image compression and decompression method encodes and decodes pixel data based on a color conversion method. Base on the relationships of corresponding color components of two adjacent pixels,...
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7609769 |
Image complexity computation in packet based video broadcast systems
A method to determine real time image complexity in video streaming, IPTV and broadcast applications using a statistical model representing channel bandwidth variation and image complexity that...
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7609768 |
Video buffer control apparatus for dual video decoding and digital broadcasting receiver thereof
The present invention provides a video buffer control apparatus for dual video decoding and digital broadcasting receiver. In the present invention, one read block controls the reading of at least...
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7609767 |
Signaling for fading compensation
Techniques and tools for signaling for fading compensation in video processing applications are described. For example, a video encoder performs fading compensation on a reference image, signals...
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7609766 |
System of intra-picture complexity preprocessing
A system having a video pipeline that includes a variation calculation portion is disclosed. The variance calculation portion calculates a plurality of variance values for a macroblock. A DCT-type...
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7609765 |
Fast multi-frame motion estimation with adaptive search strategies
A method includes examining a statistical distribution of motion vectors employed for motion compensation in a first frame of image data. The examining is to produce a distribution model of the...
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7609764 |
Coding apparatus, coding method, program and information recording medium that can suppress unnatural degradation of image quality
A coding apparatus includes a coding process unit that performs one of a field-based coding process and a frame-based coding process with respect to an interlaced image. A selection unit...
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7609763 |
Advanced bi-directional predictive coding of video frames
Techniques and tools for coding/decoding of video images, and in particular, B-frames, are described. In one aspect, a video encoder/decoder determines a fraction for a current image in a sequence....
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7609762 |
Signaling for entry point frames with predicted first field
A video decoder receives an entry point key frame comprising first and second interlaced video fields and decodes a first syntax element comprising information (e.g., frame coding mode) for the...
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7609761 |
Apparatus and method for abstracting motion picture shape descriptor including statistical characteristic of still picture shape descriptor, and video indexing system and method using the same
An apparatus and method for abstracting motion picture shape descriptor including statistical characteristics of still picture shape descriptor, and video indexing system and method using the same....
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7609760 |
Signal compressing system
A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for...
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7606527 |
Digital broadcast receiving device, digital broadcast receiving method, and program therefor
Provided is a digital broadcast receiving device ( 20 ) which can display a high resolution image longer without burdening users with a cumbersome operation. The digital broadcast receiving device...
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7606427 |
Efficient rate control techniques for video encoding
This disclosure describes rate control techniques that can improve video encoding. In particular, the described rate control techniques exploit relationships between the number of bits encoded per...
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7606350 |
Incentive-based DSL system
Improved DSL and/or other communication system services can be provided by motivating users, service providers and operators to implement and comply with one or more operational conditions, such as...
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7606314 |
Method and apparatus for caching, compressing and transmitting video signals
Disclosed is a method and apparatus for transmitting video signals from a remote computer to a local computer over a network such as a LAN, WAN, the Internet, etc. The method receives and digitizes...
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7606313 |
System, method, and apparatus for error concealment in coded video signals
Efficient techniques are provided to detect and correct channel errors found in an encoded video signal. In one example embodiment, header information in a video frame is analyzed to detect channel...
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