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7359570 |
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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7359569 |
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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7359560 |
Method for compression and decompression of image data with use of priority values
The invention relates to a method for compression and decompression of pixel-based image data. Each pixel first has the pixel value determined. A pixel difference value is then determined for each...
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7359456 |
Communication system and communication device
A communication system for transmitting a transmission signal in digital form from a transmitter to a receiver is disclosed. The transmitter includes a modulation part modulating a carrier wave in...
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7359441 |
Packet data processing determination apparatus
In a packet data processing determination apparatus (DBA 1 ) for respectively and sequentially determining a plurality of packet data (P) composing an inputted transport stream (TS), a packet data...
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7359440 |
Method and system for extracting key frames from video using a triangle model of motion based on perceived motion energy
A key frame extraction system and method for extracting key frames from a video based on motion analysis of frames within the video. Key frames are highlight frames that are effective in...
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7359439 |
Encoding a still image into compressed video
A method for producing a compressed video bitstream having a plurality of frames from data that specifies a single still image. The still image is encoded into data specifying a single intra...
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7359438 |
Optical communications imager
Described are a method and optical communications processor for receiving communications data in an image formed on a plurality of pixels. The method includes receiving active pixel information...
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7359437 |
Encoding method and system for reducing inter-symbol interference effects in transmission over a serial link
A communication system including a transmitter, a receiver, and a serial link, in which encoded data (e.g., encoded video data and encoded auxiliary data) are transmitted from the transmitter to...
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7356191 |
Image encoding apparatus and method, program and recording medium
In an image encoder is provided, including a to-be-encoded object prediction unit which counts quantization coefficients which are newly made significant, for example, when each bit plane is...
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7356190 |
Image area extraction method, image reconstruction method using the extraction result and apparatus thereof
An image area of interest in an image file can be detected by a method with a relatively light processing load by making a determination using characteristics of a quantization table. Since spatial...
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7356084 |
Method for tracking the disappearance of detected logos within digital video signals
A method and system for sensing disappearance of the previously detected logos in noisy digital video signals. When a video program starts, a short period of time is allowed to initially detect the...
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7356083 |
Data compression system and method
This invention produces data packets that can vary in length and/or data compression ratio. First, an algorithm is employed to transform a data signal into fixed or variable length data packets at...
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7356082 |
Video/audio signal processing method and video-audio signal processing apparatus
A metadata extraction unit has a feature point selection and motion estimation unit 62 for extracting at least one feature point representing characteristics of the video/audio signals in a...
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7356081 |
Bidirectionally predicted pictures or video object planes for efficient and flexible video coding
A method is provided for decoding a bit stream representing an image that has been encoded. The method includes the steps of: performing an entropy decoding of the bit stream to form a plurality of...
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7356080 |
MPEG-4 encoder using H.263 multimedia chip
An MPEG-4 encoder utilizing an H.263 multimedia chip. The MPEG-4 encoder includes a DC (Direct Current) predictor for predicting a DC component of the image frame encoded by an H.263 standard upon...
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7356079 |
Method and system for rate control during video transcoding
A local system encodes previously decoded video data using a transcoding quantization value based on a source quantization value provided by a previous encoder as part of the retrieved video data....
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7356078 |
Image encoding device and image decoding device
Multiplexing means of an image encoding device multiplexes object display speed information or image display absolute time information, and an image decoding device performs image processing on the...
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7355530 |
Method and device for determining at least one multimedia data encoding parameter
The invention concerns a method of determining at least one parameter for encoding multimedia digital data organized in elementary units of data intended to be encoded according to at least one...
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7352959 |
Moving picture reproducing device and moving picture reproducing method
The moving picture reproducing device to decode frames of moving picture data and synchronously output decoded moving picture data based on time information given to each frame, and to count up the...
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7352906 |
Continuous transform method for wavelets
A method and system for mapping the flow data that will be the subject of wavelet transform equations to a system comprising adders, subtractors, multipliers and/or dividers to perform the...
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7352814 |
Video artifact identification and counting
Artifact detection and counting is enhanced using looping in both the horizontal and vertical direction is enhanced via a reduced bandwidth for accumulation of count values into count table...
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7352813 |
PVR-support video decoding system
An MPEG video decoding system with a PVR (Personal Video Recorder) function is disclosed. By applying the PVR function to an MPEG-2 decoder chip, which is the standard recommendation of the digital...
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7352812 |
Method and apparatus for controlling loop filtering or post filtering in block based motion compensationed video coding
Adjacent blocks are identified in an image. Coding parameters for the adjacent blocks are identified. Deblock filtering between the identified adjacent blocks is skipped if the coding parameters...
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7352811 |
Data encoding apparatus and method
A data encoding apparatus operable to encode a plurality of data blocks produces encoded data in accordance with at least one of a selectable target data quantity or a selectable target data...
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7352810 |
Coding process and device for the displaying of a zoomed MPEG2 coded image
The process is characterized in that, the zoomed image being defined by its horizontal and vertical homothety ratio with respect to the coded image, it performs the following steps:
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7352809 |
System and method for optimal transmission of a multitude of video pictures to one or more destinations
A system and method for optimal transmission of a multitude of video pictures consisting of end video encoders wherein more than one encoder is utilized. The system and method improve the image...
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7352808 |
System and method for the dynamic resolution change for video encoding
The present invention relates to a method, system and computer program product for the predictive encoding of digital video sequences. The objectives of the invention are accomplished by...
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RE40180 |
Method of filtering an image based on comparisons
A method and apparatus to remove a block effect and a ring effect appearing in a compression-coded image is disclosed. The present invention is especially applicable to an image compression-coded...
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RE40179 |
Method of image filtering based on successive pixels
A method and apparatus to remove a block effect and a ring effect appearing in a compression-coded image is disclosed. The present invention is especially applicable to an image compression-coded...
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RE40178 |
Method of filtering an image
A method and apparatus to remove a block effect and a ring effect appearing in a compression-coded image is disclosed. The present invention is especially applicable to an image compression-coded...
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RE40177 |
Method and apparatus for filtering an image
A method and apparatus to remove a block effect and a ring effect appearing in a compression-coded image is disclosed. The present invention is especially applicable to an image compression-coded...
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7349675 |
Low latency data stream encoding and transmission
Described is a communication system including mobile communication devices. In the described system, the mobile devices may be wrist-worn watches such as are in common use today, except that the...
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7349579 |
Image processing device, image processing method, and image reading method
The present invention provides an image processing device, an image processing method, and an image reading method, by which encoded data can be easily generated from sub-sampled image data,...
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7349478 |
Ultra-wideband communication apparatus and methods
Apparatus and methods of ultra-wideband (UWB) communication are provided. In one embodiment, an ultra-wideband transmitter includes a processor configured to generate data for transmission in the...
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7349477 |
Audio-assisted video segmentation and summarization
A method segments a compressed video by extracting audio and visual features from the compressed video. The audio features are clustered according to K-means clustering in a set of classes, and the...
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7349476 |
Digital motion picture decoding apparatus and digital motion picture decoding method
A digital motion picture decoding apparatus comprising an input buffer memory for storing coded data to be decoded, a reproduced picture memory for storing the decoded picture data to be displayed,...
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7349475 |
Motion vector detection method and apparatus
A motion vector detection method includes extracting a first block from the m-th picture, extracting second blocks having a large correlation with respect to the first block from a (m+n)-th picture...
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7349474 |
Method and apparatus for variable bit-rate control in video encoding systems and computer program product therefor
A method for controlling the bit-rate of a bitstream of encoded video signals at a variable bitrate, the bitstream being generated by compressing a video sequence of moving pictures, wherein each...
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7349473 |
Method and system for selecting interpolation filter type in video coding
A method and system for coding a video sequence based on motion compensated prediction, wherein an interpolation filter is used to generate predicted pixel values for picture blocks in the video...
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7349472 |
Rate-distortion models for error resilient video transcoding
A model stored in a memory accessible by a video transcoder includes a first rate-distortion function modeling a requantization of an input video. A second-rate distortion function models a...
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7346271 |
Apparatus and method for converting a compressed video stream with preview of converted stream
An apparatus by which a user can easily set a parameter for conversion when a compression encoding system of video stream is converted is provided. A particular period in a first video stream is...
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7346223 |
Apparatus and method for filtering image data
An image processing apparatus includes a filtering processor that includes a filter and switches between a pre-filtering path and a post-filtering path; a data compressor that compresses image data...
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7346219 |
Methods and devices for encoding and decoding images using nested meshes, programme, signal and corresponding uses
The invention concerns a method for encoding at least a source image using a hierarchical mesh defining at least two nested spaces corresponding each to a decomposition level of said meshing, which...
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7346217 |
Digital image enhancement using successive zoom images
A method and Electro-Optical (EO) system for processing imagery comprising selecting a first frame of data as a template frame; capturing a second frame of data using the EO system, for a plurality...
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7346132 |
Method for transmitting signalling information between an access point and a terminal of a multi-carrier radio communication network
The present invention relates to a method for transmitting signaling information between an access point and a terminal of a multi-carrier radio communication network, said signaling information...
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7346112 |
Method of and apparatus for decoding and displaying video that improves quality of the video
The frame-memory control-section partitions a frame memory into a plurality of sectors and stores decoded video data of frames not used as predictive video in the frame memory. The frame-memory...
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7346111 |
Co-located motion vector storage
A method for processing a video bitstream is disclosed. The method generally includes the steps of (A) determining co-located motion information for a plurality of co-located sub-blocks in a...
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7346110 |
Multi-channel signal encoding and decoding
A multi-part fixed codebook includes both individual fixed codebooks for each channel and a shared fixed codebook. Although the shared fixed codebook is common to all channels, the channels are...
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7346109 |
Motion vector computation for video sequences
Methods and apparatus, including computer program products, implementing and using techniques for computing motion vectors in a digital video sequence are disclosed. A recursive hierarchical method...
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