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7071999 |
Method for controlling memory in digital system
Method for controlling a memory in a digital system, including the steps of (a) dividing the memory into a plurality of fixed sized memory blocks, (b) defining at least one of the memory blocks as...
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7068716 |
Method and system for compressing groups of basic media data units
The invention provides a method for compressing a group of basic media data units, the method comprising the steps of: (a) receiving the group of basic media data units; (b) for each basic media...
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7065138 |
Video signal quantizing apparatus and method thereof
A residue code amount is calculated. A threshold act_thrsh corresponding to the residue code amount is obtained. A variable mb that designates a macro block is initialized to zero. The variable mb...
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7061981 |
Motion vector conversion method and conversion apparatus
The invention provides a motion vector conversion method by which the coding efficiency in image coding of MPEG4 in an image information conversion method can be augmented. In the motion vector...
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7057638 |
Stereoscopic image display apparatus
A stereoscopic image display apparatus having a low image data input rate, in which the required capacity of a memory is reduced without causing flicker and ghosts. In the invention, right and left...
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7054363 |
Variable bit rate video encoding method and device
The DVD standard, with which a very good quality is required all along the recording step, allows for variable bit rate transmission of data, according to which more bits are spent when the...
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7050494 |
Frame display method and apparatus using single field data
The present invention relates to a method for displaying picture frames using single field data in interlaced encoded image data having a two-field structure. This method comprises the steps of:...
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7042940 |
Digital video signal transmission apparatus and image display apparatus
A digital video signal transmission apparatus is provided with (a) a digital video signal conversion circuit for converting each chrominance signal of an input digital video signal in such a manner...
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7039109 |
Reducing halo-like effects in motion-compensated interpolation
The invention relates to a motion-compensated interpolation of a data-signal, which data-signal comprises successive images wherein each image comprises groups of pixels, in which motion vectors...
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7034812 |
Method and apparatus of automatically tuning output line rate and display controller provided with the same
A method and apparatus for automatically tuning the output line rate thereof and a display controller provided with the same. The display controller of the present invention provides a display...
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7035332 |
DCT/IDCT with minimum multiplication
A method, apparatus, computer medium, and other embodiments for discrete cosine transform and inverse discrete cosine transform (DCT/IDCT) of image signals are described. A DCT/IDCT module includes...
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7035331 |
Method and apparatus for performing a pixel averaging instruction
In an embodiment, a functional unit including a compressor section and a 36-bit SIMD adder is used to perform a STMD four-pixel averaging instruction. The functional unit generates four four-pixel...
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7030905 |
Real-time method and apparatus for tracking a moving object experiencing a change in direction
A method and apparatus for tracking an object using one or more video cameras together with a plurality of microphones and/or geophones, whereby accurate tracking of the object can be obtained even...
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7027512 |
Spatio-temporal hybrid scalable video coding apparatus using subband decomposition and method
In video coding techniques, in order to improve a coding efficiency and reduce a computational complexity sharply by mixing a temporal scalability and a spatial scalability, a spatio-temporal...
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7027506 |
Object-based bit rate control method and system thereof
An object-based bit rate control method and a system therefore provides a user with satisfactory quality of image by using significance of the object. The object is separated from the image, and...
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7027509 |
Hierarchical hybrid shot change detection method for MPEG-compressed video
The present invention relates to a hierarchical hybrid shot change detection method in MPEG-compressed video circumstances, wherein the method according to the present invention comprises:...
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7023913 |
Digital security multimedia sensor
A fully digital camera system provides high-resolution still image and streaming video signals via a network to a centralized, server supported security and surveillance system. The digital camera...
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7020193 |
Preferred transmission/streaming order of fine-granular scalability
A method for streaming enhancement layer video frame data on a variable bandwidth network involves coding original uncoded video data with a non-scalable codec to generate I and P base layer...
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7020205 |
Sending progressive video sequences suitable for MPEG and other data formats
In encoding and decoding video signals, a progressive video bitstream is received which has reference frames and non-reference frames, each having an initial temporal reference in accordance with...
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7016413 |
Adaptively encoding a picture of contrasted complexity having normal video and noisy video portions
A technique is provided for adaptively encoding in hardware, software or a combination thereof a sequence of frames in real time, wherein one or more of the frames includes a random noise portion....
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7016408 |
Method, system and computer program product for LZJH data compression with minimum redundancy coding
A method, system and computer program product for encoding and decoding data over a communications channel, including receiving input data to be encoded; generating compressed codes from the input...
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7016407 |
Pre-processing of bit rate allocation in a multi-channel video encoder
A method and apparatus for bit rate allocation, or statistical multiplexing, in a multi-channel video data encoder. A pre-processor in each channel determines a bit rate need prior to compression...
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7012958 |
Partition coding method and device
The invention relates to a method of coding segmented pictures, or partitions, divided into homogeneous regions. Said method, called intra-mode coding process, comprises, for each successive...
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7010034 |
Video compression
The concept of B-frames gives the MPEG video compression standard its high encoding efficiency. However, B-frame encoding roughly doubles the complexity of an MPEG encoder. In view thereof, MPEG...
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7010033 |
System and method for compressing and encoding video
A method for encoding a video, comprises receiving the video as a plurality of pixel value sets, wherein each pixel value set of the plurality of pixel value sets represents a digitized pixel of...
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7010032 |
Moving image coding apparatus and decoding apparatus
A moving image coding apparatus which has coders ( 17, 18, 19 ) for dividing an input moving image signal into a plurality of frames, dividing each of the frames into one or more image areas,...
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7010031 |
Apparatus for protection of data reproduction according to protection data and first and second apparatus protection data to determine whether main data at specified positions are reproduced in their entirety, partially, or not at all
In a reproduction apparatus, for reproducing an original signal conveyed as main data by a data medium such as a recording disk, with medium protection data which are specific to the data medium...
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7006575 |
Picture and sound decoding apparatus picture and sound encoding apparatus and information transmission system
In order to control the coding quantity depending on the processing situation at the terminal when decoding or synthesizing plural pictures or sounds simultaneously, the decoding apparatus of the...
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6999514 |
Motion compensation with subblock scanning
According to an example embodiment, the present invention is directed to pixel-data processing that includes scanning a first 2×2 line in each of a series of immediately adjacent pixel blocks,...
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6996181 |
Motion estimation method by employing a stochastic sampling technique
In a motion estimation method for use in encoding a moving picture, a full-pixel motion vector is estimated by stochastically sampling a pixel to be processed in a predetermined-sized block of a...
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6996133 |
Digital communication system for transmitting and receiving robustly encoded data
Normally ordered robust VSB data are reordered in accordance with a first interleave to produce reordered robust VSB data, The reordered robust VSB data and ATSC data are reordered in accordance...
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6993073 |
Optimization software module and method for video compression under MPEG
An MPEG Optimization Software (MOPSW) for maximizing a Video Compression Ratio (VDCR) while maintaining a good output Video Image Quality (VDIQ) of an Input MPEG file (IMPEG) is disclosed. The...
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6993072 |
Digital signal coding apparatus
A digital signal coding apparatus for controlling the coding operation of a coding unit so as to obtain predetermined information amount and for recording into a predetermined recording packet. The...
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6990148 |
Apparatus for and method of transforming scanning format
An apparatus for and a method of transforming a scanning format can adaptively select a scanning format transformation method. A motion estimating unit estimates a final motion vector among the...
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6990144 |
System and method for overrun catch-up in a real-time software
A system and method for processing an overrun in the encoding of an input bitstream are described. In one embodiment, an overrun in the encoding of an input bitstream is determined and the severity...
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6990150 |
System and method for using a High-Definition MPEG decoder to extract multiple Standard Definition frames from a High-Definition frame
The system and method extracts a predetermined number of Standard Definition television frames from an MPEG-encoded High Definition video frame. The MPEG-encoded High Definition frame is decoded to...
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6990681 |
Enhancing broadcast of an event with synthetic scene using a depth map
A broadcast of an event is enhanced with synthetic scenes generated from audio visual and supplemental data received in the broadcast. A synthetic scene is integrated into the broadcast in...
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6987806 |
APPARATUS FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO CONVEYED MEDIUM PROTECTION DATA, FIRST AND SECOND APPARATUS PROTECTION DATA AND A FILM CLASSIFICATION SYSTEM, TO DETERMINE WHETHER MAIN DATA ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL AND A RANGE OF PROTECTION LEVEL THEREFOR
In a reproduction apparatus, for reproducing an original signal conveyed as main data by a data medium such as a recording disk or broadcasting system, with medium protection data which are...
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6987807 |
Frame compression using differential codes and an escape code
Digital video data streams that conform to standards such as the ITU-T H.263 and MPEG-4 ISO/IEC standards are compressed to reduce the amount of memory needed to store these streams. Information...
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6985525 |
METHOD FOR PROTECTION OF DATA DECODING ACCORDING TO MEDIUM PROTECTION DATA AND FIRST AND SECOND APPARATUS PROTECTION DATA TO DETERMINE A RANGE OF PROTECTION FOR MAIN DATA AND WHETHER SAID MAIN DATA ARE DECODED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL
In a reproduction apparatus, for reproducing an original signal conveyed as main data by a data medium such as a recording disk or broadcasting system, with medium protection data which are...
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6973128 |
Multi-path transmission of fine-granular scalability video streams
A method transports a video over a network that includes multiple paths. First, a video is encoded into a base layer, one or more low bit-rate enhancement layers, and one or more high bit-rate...
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6970506 |
Systems and methods for reducing frame rates in a video data stream
The present invention is related to video encoding. In an embodiment, a sequence of frames is received. For each frame in at least a portion of the sequence of frames, a corresponding mean of...
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6970505 |
APPARATUS FOR PROTECTION OF DATA DECODING ACCORDING TO TRANSFERRED MEDIUM PROTECTION DATA, FIRST AND SECOND APPARATUS PROTECTION DATA AND A FILM CLASSIFICATION SYSTEM, TO DETERMINE WHETHER MAIN DATA ARE DECODED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL
In a reproduction apparatus, for reproducing an original signal conveyed as main data by a data medium such as a recording disk or broadcasting system, with medium protection data which are...
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6965641 |
Apparatus and method for scalable buffering in a digital video decoder
A method of assigning a buffer size in a video decoder includes the step of establishing a first buffer size for a scalable buffer. A video data stream is then processed with the scalable buffer...
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6963607 |
METHOD FOR PROTECTION OF DATA TRANSMISSION ACCORDING TO MEDIUM PROTECTION DATA AND FIRST AND SECOND ADDITIONAL PROTECTION DATA TO DETERMINE A RANGE OF PROTECTION FOR MAIN DATA AND WHETHER THE MAIN DATA ARE TRANSMITTED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL
In a reproduction apparatus, for reproducing an original signal conveyed as main data by a data medium such as a recording disk or broadcasting system, with medium protection data which are...
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6959348 |
Method and system for accessing data
A system and a method for transcoding multiple media channels is disclosed herein. The system includes a first processor to parse a media data stream having one or more media data channels and a...
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6959039 |
APPARATUS FOR PROTECTION OF DATA REPRODUCTION ACCORDING TO MEDIUM PROTECTION DATA AND FIRST AND SECOND APPARATUS PROTECTION DATA, TO DETERMINE WHETHER MAIN DATA ARE REPRODUCED IN THEIR ENTIRETY, PARTIALLY, OR NOT AT ALL AND A RANGE OF PROTECTION LEVEL THEREFOR
In a reproduction apparatus, for reproducing an original signal conveyed as main data by a data medium such as a recording disk or broadcasting system, with medium protection data which are...
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6959043 |
Video decoding method, video decoding apparatus, and video decoding program storage medium
A video decoding apparatus exerts a control so as not to display unnatural pixel values when a stream having no pixel value but only shape values is decoded. A decoder decodes a video stream. When...
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6956901 |
Control strategy for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel
A control strategy is provided for dynamically encoding multiple streams of video data in parallel for multiplexing onto a constant bit rate channel. The control strategy is a single pass strategy...
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6956899 |
Precise bit control apparatus with look-ahead for MPEG encoding
A method and system for encoding digital video picture data. In accordance with this method, the video picture data is partitioned into a group of blocks, at least some of those blocks are...
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