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Document Title |
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7324592 |
Resource-constrained encoding of multiple videos
A method acquires a plurality of input videos. The frames of each input video are acquired at a fixed sampling rate. Joint analysis is applied concurrently and in parallel to the input videos to...
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7324594 |
Method for encoding and decoding free viewpoint videos
A system encodes videos acquired of a moving object in a scene by multiple fixed cameras. Camera calibration data of each camera are first determined. The camera calibration data of each camera are...
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7321686 |
Image processing apparatus and method for improving the contract of an image
Processing for improving the contrast of an image of interest is executed by an image processing circuit in an X-ray photography apparatus. The image is decomposed into coefficient values of a...
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7317759 |
System and methods for video compression mode decisions
A method for making a mode decision in video coding. The method includes collecting a first portion of video data and labeling the first portion of video data with an optimal mode. The method also...
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7313183 |
Real time scene change detection in video sequences
An apparatus configured to process a digital video signal comprising an input circuit, a processing circuit and an encoder circuit. The input circuit may be configured to present a digital video...
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7313386 |
Data processing system and method, communication system and method, and charging device and method
In a communication system for serving data corresponding to a request from the user and charging the user for the data served to the user, when the user designates a result of a desired one of a...
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7313185 |
Sequential motion pattern representation
Systems and methods for representing sequential motion patterns are described. In one aspect, video frames are converted into a sequence of energy redistribution measurements. One or more motion...
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7310372 |
Motion vector encoding device and decoding device
A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of...
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7308029 |
Method and apparatus for implementing B-picture scene changes
A method and apparatus are provided for implementing B-picture scene changes. A prediction stage predicts a B-picture scene change based upon a sequence of statistical information in an encoder...
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7301580 |
Method of realizing combination of multi-sets of multiple digital images and bus interface technique
A method of digital image combination for multiple channels with multiple sets and a bus interface which includes an image-processing unit for m-channel sub-images, an image-processing unit for...
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7295608 |
System and method for communicating media signals
A media streaming system for streaming media signals is provided. The media streaming system takes a library of separate and distinct CODECs that are provided as a searchable CODEC library and used...
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7292636 |
Using order value for processing a video picture
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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7292264 |
Multiple image processing and synthesis using background image extraction
A technique of efficiently extracting and synthesizing an object image from a plurality of images captured at different image magnifications. An image processing method of the present invention...
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7292602 |
Efficient available bandwidth usage in transmission of compressed video data
Described herein are systems and methods for multiplexing and transmitting video data. The systems and methods use excess bandwidth in a channel available after meeting minimum transmission...
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7283588 |
Deblocking filter
A method in video decoding for reducing blocking artifacts between a first and a second block in a block wise coded video picture by performing a test on pixel lines crossing a boundary and/or an...
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7274739 |
Methods and apparatus for improving video quality in statistical multiplexing
The present invention provides methods and apparatus for improving video quality in statistical multiplexing. For each encoding channel in a statistical multiplexer, a respective bit rate need...
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7272180 |
Video compression system
A video compression system is disclosed that is optimized to take advantage of the types of redundancies typically occurring on computer screens and the types of video loss acceptable to real time...
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7272263 |
Image decoding with a simplified process
A decoding unit ( 12 ) decodes an image according to JPEG 2000. A simplifying unit ( 30 ) comprises an automatic transformer ( 32 ) which compares an elapsed time to a time limit at each stage of...
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7272181 |
Method and apparatus for estimating and controlling the number of bits output from a video coder
A method and apparatus is provided for estimating the number of bits output from a video coder given a known spatial data content, G={g 1 , . . . , g N }, of a group of luminance and chrominance...
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7272179 |
Remote surveillance system
An audio/visual surveillance system for use in mobile vehicles such as patrol cars includes two video cameras producing video signals and four audio sources producing audio signals. The signals are...
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7266147 |
Hypothetical reference decoder
A hypothetical reference decoder.
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7257162 |
Hypothetical reference decoder for compressed image and video
One method for analyzing a bitstream having a plurality of compressed pictures comprises computing an initial arrival time and a final arrival time of a compressed picture, wherein the initial...
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7257157 |
Method of and system for optimizing mode selection for video coding
Mode selection is optimized for video coding requiring sequencing of decisions with respect to a data block sequence. Each decision is selected from a mode set. The sequence is a directed acyclic...
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7257158 |
System for transmitting video images over a computer network to a remote receiver
A method of and apparatus for transmitting video images preferably allows a specially trained individual to remotely supervise, instruct, and observe administration of medical tests conducted at...
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7257161 |
Frequency thinning apparatus for thinning out frequency components of signal and frequency thinning apparatus
An analyzer transforms a digital signal into a spectrum representing the digital signal. A spectrum analyzing unit specifies a predetermined number of sets of the bands in decreasing order of the...
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7254175 |
Frame-accurate seamless splicing of information streams
A method and apparatus for generating universal splice point adapters, where during a splicing operation an “out-point splicing adapter” is used to transition from an exit stream, while an...
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7254174 |
Process for changing the resolution of MPEG bitstreams, and a system and a computer program product therefor
A process and a system is described for generating an MPEG output bitstream starting from an MPEG input bitstream. The output bitstream has a resolution modified with respect to the resolution of...
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7248631 |
Method for reducing processing power requirements of a video decoder
A system and method dynamically process video data received by a video decoder by determining a throttling amount, at a decoder throttling device, based on a measure of computational processing...
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7245664 |
Transmission control method of coded video signals and transmission system
A system for transmitting coded digital video signals in a packet form through a signal line and a method of controlling the system. A transmission portion converts the digital video signals to a...
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7242713 |
2-D transforms for image and video coding
A set of one and two-dimensional transforms is constructed subject to certain range limited constraints to provide a computationally efficient transform implementation, such as for use in image and...
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7239661 |
Media data processing apparatus and media data processing method
A media data processing apparatus includes an input unit that inputs media data and intellectual property management data for managing intellectual property of the media data, a first encoding unit...
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7228110 |
Low cost high frequency device having compact mounting area, high frequency amplification method, wireless communication device and mobile telephone including low cost and high frequency circuit having compact mounting area
A high frequency device includes a transmission/reception amplifier 13 that amplifies and outputs an input signal, and a transmission/reception switch 2 that gang switches internally so that...
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7221708 |
Apparatus and method for motion compensation
An apparatus and method for generating a motion compensated matrix, the method includes the steps of: (i) providing a motion vector and at least one input matrix of DCT coefficients; (ii) selecting...
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7215706 |
Video signal encoding and buffer management
A method of, and apparatus for, encoding and multiplexing a digital video picture are provided using intra-coded fields only at a relatively high bit-rate, with each picture being encoded as a...
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7212570 |
Video converter and computer program for executing said video converter
A video converter for converting a coding format of a great deal of video contents has three kinds of conversion modes including a conversion mode for performing conversion in two steps in...
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7212662 |
Method for the compressed transmission of image data for 3-dimensional representation of scenes and objects
The invention relates to a method for the compressed transmission of image data for a three-dimensional representation of scenes and objects. A known method for transmitting video data between an...
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7206344 |
Method and apparatus for displaying video
A method and apparatus for displaying different presentations of program material allows various presentations of a DVD movie, for example, to be displayed on a display for a user's selection. The...
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7206345 |
Method of decoding coded video signals
The invention relates to a video decoding method for decoding a set of video signals comprising a base layer signal and at least one enhancement layer signal and for supplying a decoded output...
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7200174 |
Video coding system
A motion estimation method and system for a video coder are disclosed. The system comprises an input for a video image to be coded. It also comprises a hierarchical series of motion estimators of...
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7200859 |
Apparatus and method for intelligent multimedia compression and distribution
A method and apparatus for storing uncompressed and compressed multimedia content on a storage device, the uncompressed content is stored in an interim buffer of the storage device. Compression of...
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7197070 |
Efficient systems and methods for transmitting compressed video data having different resolutions
The present invention relates to systems and methods for combining compressed video data encoded or received with different resolutions. The present invention combines the compressed video data...
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7197071 |
Film resource manager
Post-production processing may be performed by receiving a film-processing order, determining a process useful in fulfilling film-processing order, identifying one or more resources available to...
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RE39524 |
Hybrid camera system with electronic album control
A hybrid camera includes a pair of imaging systems for capturing images on contained photographic film and an electronic imager, respectively, the film having a magnetic layer. An exterior imaging...
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7180901 |
System and method using a packetized encoded bitstream for parallel compression and decompression
A system and method are disclosed for parallel compression and decompression of a bitstream. For compression, the bitstream is separated into a plurality of components, and the components are...
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7177357 |
Data processing system for stereoscopic 3-dimensional video based on MPEG-4 and method thereof
A data processing system and method for stereoscopic 3D video based on MPEG-4. Various elementary streams of left and right images of stereoscopic 3D video are multiplexed into a single stream, and...
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7177356 |
Spatially transcoding a video stream
Systems and methods for transcoding a video stream. An incoming video stream is spatially transcoded to reduce the bit rate of the video stream. The incoming video stream is decoded and the stream...
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7177360 |
Video encoding method and video decoding method
A video encoding method comprises selecting, from predictive modes, a predictive mode, computing a first cost of encoding based on a predictive mode, computing a second cost of encoding based on a...
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7177355 |
Method for representing encoding upon coding information
A method of representing encoding or non-encoding by extending a video information field of a block when coding video information, is provided. The method of representing encoding or non-encoding...
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7173968 |
Method for coding and decoding a digitalized image
A method and an arrangement in which a digitized image with picture elements is allocated to a number of image segments. The image segments, preferably image blocks, are spread such that...
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7170935 |
Image processing apparatus and method, and computer-readable memory
Frames constituting an input moving picture are extracted by a frame extraction unit, the extracted frames are compared and scene changes in the moving picture are discriminated by a scene-change...
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