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8184687 |
System and method for generating a mosaic image stream
A system and method for generating a mosaic image stream, the method includes: retrieving, at a retrieval rate responsive to an encoding rate of a primary stream, mosaic frame information that...
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8185386 |
Method and apparatus for performing packet loss or frame erasure concealment
A method for performing packet loss or Frame Erasure Concealment (FEC) for a speech coder receives encoded frames of compressed speech information transmitted from an encoder. The method determines...
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8185925 |
Digital broadcasting system and method of processing data in the digital broadcasting system
A digital broadcasting system and a data processing method are disclosed. A receiving system of the digital broadcasting system includes a baseband processor, a first table handler, an audio/video...
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8184952 |
Segment boundary obfuscation
A method and system for obfuscating segment boundary markers, such as but not limited to obfuscating boundary markers used to identify beginning and/or ending boundaries of a sequence of segments...
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8179980 |
Robust DTV signals that can overcome burst errors up to 1040 bytes or more in length
Electromagnetic signals for transmitting television and other information more robustly have amplitudes modulated in accordance with a digital signal generated by convolutional interleaving and...
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8179981 |
Method and apparatus for determining bit allocation for groups of pixel blocks in a picture according to attention importance level
Optimised bit allocation is important in video compression to increase the coding efficiency, i.e. to make optimum use of the available data rate. In view of the human visual system, a human...
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8179982 |
Transmitting additional information in the headers of encapsulating data packets in mobile/handheld (M/H) DTV signals
Apparatus for transmitting digital data in an 8-vestigial sideband (8-VSB) signal format for reception by mobile/handheld (M/H) receivers is described. The apparatus for transmitting digital data...
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8179979 |
Detection and compensation of discontinuities in data stream
In one embodiment of the invention, a method includes receiving a video stream that includes a temporal discontinuity. Checkpoints are distributed in a non-linear fashion with unequal spacing...
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8179958 |
Device switching system, and sender and distribution destination device
When a switching target device receives a media output indication from a sender device, a switch connects with contact B, which causes all image data stored in an extended media buffer to be...
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8175121 |
Image processor and image display apparatus comprising the same
An image processor includes a motion vector acquisition section for acquiring and outputting an image motion vector in pixel or a predetermined block unit from plural frames included in an input...
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8170124 |
MPEG-4 streaming system with adaptive error concealment
An MPEG-4 system with error concealment is provided for video service under the network with packet loss. The MPEG-4 system includes an encoder and a decoder. The encoder uses an intra-refreshment...
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8165224 |
Device and method for improved lost frame concealment
Various embodiments are described herein that make use of a lost frame concealment method for processing data frames received from transmission over a communications channel. The method involves...
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8165226 |
Imaging frame freeze detection
Techniques for detecting faults in a digital video stream include frame freeze detection that can alert an operator of frame freeze in a digital video stream. According to various embodiments, a...
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8165223 |
Deblocking filter
The invention is related to decoding of block wise coded video pictures. The determination of using de-blocking filtering between coded blocks is based on alternative characteristics compared to...
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8165225 |
Image data transfer circuit
An image data transfer circuit and an image data transfer method capable of exception processing without affecting image data of normal frames when an error is detected in image data. Image data...
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8160107 |
Data transmission method, data transmission apparatus, data reception apparatus, and packet data structure
A data transmission apparatus for sequentially transmitting data in units of packets each containing transmission data to the receiving end. The apparatus including a reception unit receiving the...
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8160145 |
Video error concealment with spatial and temporal error concealment
A temporal error concealment is described. A video stream comprises a current frame comprising a lost image region, and a reference frame. The method comprises forming a list of motion vector...
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8160152 |
Moving image decoding apparatus and moving image coding apparatus
A data storage unit (103) stores an image frame in which an image frame which consists of coded data having a data loss or error received by a receiving unit (100) and complementary coded data...
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8155213 |
Seamless wireless video transmission for multimedia applications
A method of temporal error concealment for generating the image data of the missing macro-blocks in the current frame by using the previous frame and the correct data of the current frame is...
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8156410 |
Fast debugging tool for CRC insertion in MPEG-2 video decoder
A video decoder capable of generating a check data in response to a data selection code for debugging is disclosed. The video decoder includes a plurality of functional blocks, wherein each said...
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8155204 |
Image decoding apparatus and image decoding method
The image decoding apparatus and the image decoding method according to one aspect of the present invention have a configuration for storing an image decoded in the past as a reference picture into...
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8150171 |
Apparatus for and method of decoding moving picture, and computer product
In a moving picture decoding apparatus, a variable-length decoding circuit decodes motion vectors for each macroblock from a bit stream and stores the motion vectors. An error correction circuit...
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8149925 |
Chase algorithm based differential decoder for soft decision Reed Solomon decoding in a QAM system
A novel apparatus and method of differential decoding for use in a communication system such as a cable system. The differential decoding mechanism of the present invention enables the use of the...
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8149916 |
Video coding and decoding
A decoder for video signals, such as MPEG, which uses motion-compensated bidirectional predictive coding, performs concealment of lost or corrupted portions of a picture. For this purpose, it...
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8149910 |
Image encoding/image decoding method and image encoding/image decoding apparatus
An image coding method includes dividing an input picture into a plurality of pixel block signals, performing intra prediction for extrapolating or interpolating a prediction pixel using reference...
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8150180 |
Moving picture coding method and moving picture decoding method
According to a picture coding method of the present invention, a coded picture identified by a picture number is stored, as a reference picture, into a storage unit; commands indicating...
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8149948 |
Digital broadcasting system and method of processing data
A digital broadcasting system and method of processing data are disclosed. Herein, a transmitting system within the digital broadcasting system includes a byte-symbol converter, an interleaving...
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8144812 |
Best frame derivation in a wireless communications network
A communications node can receive a plurality of communication signals, each including a block of data estimates with respective quality metrics. Each block of data estimates can be derived from an...
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8144790 |
Broadcast receiver and method of processing data
A broadcast receiver, and a method of processing data are disclosed. The broadcast receiver includes a receiving unit, a RS frame decoder, a decoding unit, and an output unit. The receiving unit...
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8139647 |
Moving image decoding apparatus and moving image decoding method
Moving image decoding apparatus and moving image decoding method wherein the picture quality degradation is small even when an error occurs in decoding or the like in an coding system that refers...
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8139648 |
Image processing apparatus and image processing method
A basic pattern generating unit 81 generates a film grain basic pattern 86 in which the histogram of random noise is substantially the same as the film grain basic pattern information 53. The film...
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8141113 |
Methods and systems for recovering from errors associated with advertisement streams
An exemplary method includes switching, by a media content access subsystem, from a program stream to an advertisement stream in response to a switching instruction received by the media content...
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8135077 |
Broadcast receiver and method of processing data
A broadcast receiver and a method of processing data are disclosed. The broadcast receiver includes a broadcasting module, at least one function module, and a controller. The broadcasting module...
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8135076 |
Error concealment apparatus and method
An error concealment apparatus and method that can selectively use error concealment techniques according to an error occurrence rate is disclosed. The error concealment apparatus includes an error...
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8130823 |
Channel adaptive video transmission system for use with layered video coding and methods for use therewith
A video transmission system includes a transceiver module that transmits a video signal to a remote device over at least one RF communications channel wherein the video signal is transmitted as at...
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8126064 |
Transmission device
The identification information processing unit receives identification information identifying the reception device from a reception device, and generates decoded identification information...
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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...
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8121199 |
Reducing the block effect in video file compression
We describe a method for reducing the block effect in video file compression including inspecting an image in a row and column direction, calculating an intensity vector of the block effect...
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8116381 |
Digital broadcasting system and data processing method in digital broadcasting system
A receiving system and a data processing method for receiving and processing mobile service data are disclosed. The receiving system comprises a demodulating unit, a block decoder, a controller,...
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8116383 |
Efficient adaptive mode selection technique for H.264/AVC-coded video delivery in burst-packet-loss networks
A method of an efficient adaptive mode selection for H.264/AVC-coded video delivery in burst-packet-loss networks to generate the image data of the missing macroblocks in the decoded current frame...
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8111757 |
Method and apparatus for video signal processing
A first video signal processor (103) receives a first encoded video signal from which a video unit (201) generates a second encoded video signal, where the second encoded video signal is a reduced...
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8107539 |
Method for error concealment in video sequences
A method and device for error concealment in a video sequence. When there is a scene transition in the video sequence and an error occurs in a picture belonging to the scene transition, an error...
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8107765 |
Block-based image restoration system and method
A block-based image restoration system and method is provided. The image restoration system, including: an edge processing unit to perform a color shifting in an edge of an image and process the...
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8107537 |
Picture layer rate control for video encoding
A one-pass picture-layer rate control (RC) method and system for controlling a video encoder: The bit allocation and determination of quantization parameter (QP) in this rate control method and...
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8102921 |
Digital broadcasting system and data processing method
The present invention provides a method of processing data in digital broadcasting system. The method includes receiving a broadcast signal including mobile broadcast service data and main...
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8102920 |
Digital broadcasting system and data processing method
The present invention provides a method of processing data in digital broadcasting system. The method includes receiving a broadcast signal including mobile broadcast service data and main...
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8098740 |
Digital broadcasting system and data processing method
The present invention provides a method of processing data in digital broadcasting system. The method includes receiving a broadcast signal including mobile broadcast service data and main...
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8098741 |
Digital broadcasting system and data processing method
The present invention provides a method of processing data in digital broadcasting system. The method includes receiving a broadcast signal including mobile broadcast service data and main...
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8098721 |
Reception of a signal transmitted over a transmission link comprising coded channels
A method to receive a signal transmitted over a transmission link comprising coded channels, the method comprising: —equalization operations (110-116) to compensate for signal distortion i...
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8094730 |
Hybrid error concealment method
Disclosed herein is a hybrid error concealment method. The hybrid error concealment method of the present invention includes a first step of calculating a side match distortion, measured when a...
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