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7565019 |
Method of volume-panorama imaging processing
The present invention discloses a method of volume-panorama imaging processing, which generates a volume-panorama image by subsequently splicing respective image frames from an image sequence...
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7565021 |
Efficient implementation of block-based transform on graphics processing unit
Implementations of transforms, such as a discrete cosine transform (DCT) and inverse DCT on a graphics processing unit (GPU), use direct matrix multiplication. GPU features such as parallel...
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7562056 |
Method and system for learning an attention model for an image
A system for learning an attention model for an image based on user navigation actions while viewing the image is provided. An attention model learning system generates an initial attention model...
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7561622 |
Video analyzer and video error detector
Since a delaying part ( 14 ) delays transmission of a video signal, the timing at which a decoded video signal is input into a multiplex processing part ( 16 ) matches the timing at which an...
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7561613 |
Digital carrier multi-band user codes for ultra-wideband multiple access
Techniques are described for generating digital carrier multi-band user codes for a baseband ultra-wideband (UWB) signal. The digital carrier multi-band user codes comprise spreading codes that...
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7561874 |
Mobile communication device with a transition effect function
A mobile communication device includes a memory for storing a first frame image corresponding to a first menu and a second frame image corresponding to a second menu, a display unit coupled to the...
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7561620 |
System and process for compressing and decompressing multiple, layered, video streams employing spatial and temporal encoding
A system and process for compressing and decompressing multiple video streams depicting substantially the same dynamic scene from different viewpoints. Each frame in each contemporaneous set of...
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7561623 |
Filtering method for removing block artifacts and/or ringing noise and apparatus therefor
Provided are a filtering method and apparatus for removing blocking artifacts and ringing noise. The filtering method includes transforming video data on a block-by-block basis, and detecting the...
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7561621 |
Method of searching for motion vector, method of generating frame interpolation image and display system
A motion vector detection method includes extracting a first block including a plurality of pixels from a first frame of the image, detecting a second block from a plurality of blocks of a second...
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7561752 |
Image processing apparatus
An image processing apparatus for removing block distortion comprises an area specifying unit 103 for specifying a block distortion area to remove the block distortion therefrom in a...
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7561162 |
Computer graphics data coding apparatus, decoding apparatus, coding method and decoding method
Computer graphics data coding apparatus includes unit configured to acquire computer graphics data items, unit configured to pre-process acquired computer graphics data items, controlling/coding...
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7558320 |
Quality control in frame interpolation with motion analysis
Techniques and tools for quality control in frame interpolation and motion analysis are described. The techniques and tools may be implemented separately or in combination in software and/or...
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7558319 |
Method and apparatus for reproducing images, and image recording apparatus
Structure information on picture within a GOP of a coded data sequence is acquired beforehand. At the time of high-speed reproduction, a high-speed reproduction mode judging unit judges by...
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7558324 |
Apparatus for encoding and decoding header data in picture signal transmission
Control data subsequent to an extension start code is stored in an encoding apparatus when transmitted after each header data of a video sequence layer, a GOP layer, a picture layer and a slice...
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7558424 |
Scene change determination device/method and data transfer device/method
The scene change determination device of the present invention comprises a first extraction unit for extracting a plurality of pixels used for determination from the first image data, a second...
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7558441 |
Resolution conversion upon hierarchical coding and decoding
In a decoding method of decoding encoded image data which has been hierarchically encoded in advance, a size of an image to be outputted is determined, and then the encoded image data is decoded up...
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7558321 |
Method of deriving a motion vector of a bi-predictive block based on a list 1 motion vector of a co-located block in a reference picture
In one embodiment, the method includes selecting the list 1 motion vector of the co-located block in a first list 1 reference picture as the motion vector for deriving list 0 and list 1 ...
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7558323 |
Video data transmission method for changing transmission data amounts in accordance with a transmission speed and a transmission system therefor
In a picture transmission network including networks of different transmission speeds, when a picture is sent at a bit rate which is adjusted to the transmission speed of a low-speed network, only...
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7558322 |
Method and apparatus for temporal wavelet compression
A system is described that comprises a method and apparatus for further compressing an already compressed data stream, using a mathematical exclusive-OR computation. The method comprises: receiving...
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7558296 |
Multiplexer and demultiplexer
The multiplexer includes a first input unit, a second input unit, a first analysis unit, and a second analysis unit. Moreover, the multiplexer includes a packetization part determination unit that...
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7558325 |
System and process for broadcast and communication with very low bit-rate bi-level or sketch video
A system and process for broadcast and communication with bi-level or sketch video at extremely low bandwidths is described. Essentially, bi-level and sketch video presents the outlines of the...
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7558318 |
Method and apparatus for processing images, method and apparatus for recording and reproducing images, and television receiver utilizing the same
The moving images under reproduction are displayed in a main screen and a plurality of thumbnail images that serve as indexes by which to search for a desired scene are displayed. Moreover, the...
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7558428 |
Accelerated video encoding using a graphics processing unit
The systems and methods described herein are directed at accelerating video encoding using a graphics processing unit. In one aspect, a video encoding system uses both a central processing unit...
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7555006 |
Method and system for adaptive transcoding and transrating in a video network
A video server adaptively selects an appropriate video encoding standard and an appropriate video encoding rate for encoding video content to be downloaded to one or more video client devices over...
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7555042 |
Method and apparatus for reverse play
In the method and apparatus for reverse play, the forward predictive encoded pictures in a compressed video stream are decoded, and selected ones of the decoded, forward predictive encoded pictures...
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7554953 |
Radio communication system
A radio communication system comprises a communication channel for the transmission of data from a secondary station to a primary station. The secondary station is operable in a first (normal) and...
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7555021 |
Digital multi-source multi-destination video multiplexer and crossbar device
A Digital Multi-Source Multi-Destination Video Multiplexer and Crossbar Device and method which may be applied to a video imaging system, in which multiple input image sources including...
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7555045 |
MPEG video decoder and MPEG video decoding method
A picture decoding section starts to decode a bit-stream for one picture when a decoding start command is supplied from a decoding start command generating section, and outputs a decoding...
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7555043 |
Image processing apparatus and method
A 6-tap filter circuit and a 4-tap filter circuit generate interpolation pixel signals of an image signal S 40 . A selection circuit selects one of the 6-tap filter circuit and the 4-tap filter...
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7554611 |
Method and apparatus of bidirectional temporal noise reduction
A method of bidirectional temporal noise reduction in a video signal processing system is provided. A video signal comprising a video sequence of frames is received. Backward temporal noise...
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7555041 |
Code quantity control apparatus, code quantity control method and picture information transformation method
Code quantity control based on a virtual buffer is executed by using information extracted from picture compressed information conforming to a predetermined system. Thus, a reference quantization...
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7555046 |
Method and system for searching and verifying magnitude change events in video surveillance
A method for detecting events in a video sequence includes providing a video sequence, sampling the video sequence at regular intervals to form a series of snapshots of the sequence, measuring a...
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7555196 |
Methods and systems for synchronizing timecodes when sending indices to client devices
Methods and systems for indexing programs are described. In accordance with one embodiment, program data associated with a program recorded on a first entertainment system is processed sufficient...
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7551671 |
System and method for transmission of video signals using multiple channels
In a communication network ( 20 ), a video encoder/decoder system ( 114 ) and an encoding method ( 150 ) facilitate transmission of video frames ( 116 ) over multiple low-data-rate channels ( 46 )....
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7551673 |
Adaptive motion estimator
A method and apparatus of encoding digital video according to the ISO/IEC MPEG standards (ISO/IEC 11172-2 MPEG-1 and ISO/IEC 13818-2 MPEG-2) using an adaptive motion estimator. A plurality of...
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7551672 |
Encoding system and method, decoding system and method, multiplexing apparatus and method, and display system and method
The present invention relates to an encoding system for encoding input video data and a multiplexing system for multiplexing a plurality of encoded streams. More particularly, it proposes a system...
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7551785 |
Method and system for compressing a continuous data flow in real-time using cluster successive approximation multi-stage vector quantization (SAMVQ)
The present invention relates to a method and system for compressing a continuous data flow in real-time based on lossy compression. In real-time data compression, a series of multi-dimensional...
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7551674 |
Using order difference for calculating motion vector
A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the...
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7548654 |
Header-based scaling and cropping of images compressed using multi-scale transforms
A method and apparatus are described for performing header-based scaling and cropping of images compressed using multi-scale transforms. In one embodiment, the method for adaptively scaling an...
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7548586 |
Audio and video processing apparatus
A media processor for performing audio, video, and system layer tasks on a fully programmable single-chip integrated processor chip. The present invention performs video compression/decompression,...
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7548248 |
Method and apparatus for image blending
Methods and apparatuses for blending two images using vector table look up operations. In one aspect of the invention, a method to blend two images includes: loading a vector of keys into a vector...
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7548583 |
Generation and use of masks in MPEG video encoding to indicate non-zero entries in transformed macroblocks
During Motion Picture Experts Group (MPEG) video encoding a two-dimensional discrete cosine transform (DCT) is performed on data representing an original image. The resulting coefficients are then...
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7549000 |
Apparatus and method for generating bitstream of S/PDIF data in HDMI
An apparatus and method for regenerating S/PDIF data is disclosed. The apparatus includes a buffer for buffering sample words of the data units; a decision unit for receiving control words of the...
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7548276 |
Frame rate conversion device, image display apparatus, and method of converting frame rate
The present invention provides a technique relating to a frame rate conversion which enables display of an image of extended definition by smoothening the movement of the image. Therefore, the...
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7548585 |
Audio stream adaptive frequency scheme
A system for an audio stream adaptive frequency comprises an audio capture device for sending audio samples captured from an audio source and an audio playback device for receiving the audio...
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7548658 |
Lossless video data compressor with very high data rate
Lossless video data compression is performed in real time at the data rate of incoming real time video data in a process employing a minimum number of computational steps for each video pixel. A...
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7548584 |
Using order value for computing motion vector
A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the...
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7545863 |
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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7542615 |
Image area extraction method, image reconstruction method using the extraction result and apparatus thereof
This invention has as its object to detect an image area of interest in an image file by a method with a lighter processing load by making determination using characteristics of a quantization...
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7542504 |
Frequency hopping ofdma method using symbols of comb pattern
Method for providing frequency-hopping OFDMA using symbols of comb patter, the method including the steps of: a) assigning frequency domain signal X(k) of comb pattern (comb symbol, k is frequency...
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