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8184705 |
Method and apparatus for motion compensated filtering of video signals
A method and apparatus for filtering video data. First and second frames of the video data are stored. Motion adapted spatio-temporal filter (MASTF) pixel values of the second frame are calculated...
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8155195 |
Switching distortion metrics during motion estimation
Techniques and tools for switching distortion metrics during motion estimation are described. For example, a video encoder determines a distortion metric selection criterion for motion estimation....
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8116594 |
Image processing apparatus, image processing method, and program
An image processing apparatus includes: a detecting unit configured to detect a motion vector from an input image signal acting as the image signal for each of chronologically input pixels; a...
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8111300 |
System and method to selectively combine video frame image data
Systems and methods to selectively combine video frame image data are disclosed. First image data corresponding to a first video frame and second image data corresponding to a second video frame...
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RE43043 |
Picture signal transmitting method and apparatus
A picture type identifier, indicating one of intra-picture coding (an I-picture), forward or backward predictive coding (a P-picture) and bi-directionally predictive coding (a B-picture), is...
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RE43021 |
Picture signal transmitting method and apparatus
A picture type identifier, indicating one of intra-picture coding (an I-picture), forward or backward predictive coding (a P-picture) and bi-directionally predictive coding (a B-picture), is...
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8005308 |
Adaptive motion estimation for temporal prediction filter over irregular motion vector samples
A method for determining values of motion vectors includes receiving an irregular pattern of motion vectors for a target image, estimating an initial value for each of the motion vectors, using the...
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7990475 |
Methods and apparatus for automated representative image selection
A system determines a plurality of frames. The plurality of frames is a subset of a set of frames comprising at least a portion of a video clip. The frames are candidates to represent the set of...
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7990389 |
Graphic system comprising a pipelined graphic engine, pipelining method and computer program product
A graphic system includes a pipelined graphic engine for generating image frames for display. The pipelined graphic engine includes a geometric processing stage for performing motion extraction,...
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7957466 |
Adaptive area of influence filter for moving object boundaries
A method of performing adaptive temporal prediction includes receiving a target image, wherein a position of an object in the target image is different from a position of the object in a reference...
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7729558 |
Image signal, processing device and processing method, coefficient data generation device and generation method used for the same, program for executing the methods and computer readable medium containing the program
The present invention relates to an apparatus for processing an image signal etc. that are well applicable to removal of coding noise from, for example, an image signal. Based on five consecutive...
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7720296 |
Method for determining a displacement vector in an image processing operation
In a method to determine a selection vector that indicates a displacement of an image area from a first position in a first image to a second position in a second image, a set of prediction vectors...
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7693327 |
Image rendition using sequential color rendition
The invention relates to a method for rendering an image sequence. wherein an individual image is rendered by rendering monochromatic subimages in temporal succession. A subimage sequence obtained...
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7612909 |
Image processing apparatus and method, and image-capturing apparatus based on the difference between a signal detected by a sensor and the real world
An apparatus for detecting a mixed area in frames. An object extracting unit extracts a foreground object from an input image and generates an area-specified object formed of the foreground object...
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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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7460154 |
Vibration compensation apparatus using a coordinate conversion
A vibration compensation apparatus comprises: an angular velocity detector that detects a plurality of angular velocities in two orthogonal detection axes directions and outputs corresponding...
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7457361 |
Block motion estimation method
A block motion estimation method for estimating a motion vector on the basis of a position of a frame block in a current picture compared to a position of said frame block in a reference picture,...
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7292283 |
Apparatus and method for performing sub-pixel vector estimations using quadratic approximations
To achieve the foregoing, and in accordance with the purpose of the present invention, an apparatus and method for generating refined sub-pixel vectors for motion estimation from vector correlation...
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7236634 |
Image encoding of moving pictures
In an encoding method of moving pictures which generates a predictive picture for a current picture based on a reference picture and a motion vector, a macroblock is divided into subblocks. In each...
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6985635 |
System and method for providing a single-layer video encoded bitstreams suitable for reduced-complexity decoding
A method and system of reducing the computation load of an MPEG decoder by changing the encoding algorithms in a video-processing system are provided. During an encoding mode, a stream of data...
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6934332 |
Motion estimation using predetermined pixel patterns and subpatterns
A method and system is provided for calculating motion vectors of macroblocks in a digital image of a digital video stream. The method and system reduces the computational overhead of calculating...
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6823012 |
Method and system for estimating motion vector at high speed for low bit-rate coding
A method and system for estimating a motion vector (MV) at high speed for low bit-rate coding is provided. The method and system for estimating a motion vector includes (a) forming sum pyramids for...
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6690728 |
Methods and apparatus for motion estimation in compressed domain
Methods and systems for obtaining a motion vector between two frames of video image data are disclosed. Specifically, methods and systems of the present invention may be used to estimate a motion...
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6674798 |
Motion vector detecting device capable of accommodating a plurality of predictive modes
A processor array includes element processors which are arranged in a matrix in correspondence to respective pixels of a template block, which is a current picture image pixel block. Each element...
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6522785 |
Classified adaptive error recovery method and apparatus
A method, apparatus, and article of manufacture for restoring a deteriorated signal to an undeteriorated signal. A deteriorated signal consists of a plurality of deteriorated and undeteriorated...
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6418233 |
Motion determining apparatus and determining method
A first condition determining portion 6 determines whether or not a picture moves corresponding to inter-field variations of space variation amounts SG (t), SG (t−1), and SG (t+1). A second c...
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6266817 |
Decoder for a software-implemented end-to-end scalable video delivery system
A decoder is used in an end-to-end scalable video delivery system operable over heterogeneous networks. The decoder may software-based and computationally low complexity, or may be implemented...
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6125145 |
Motion detection apparatus and motion detection method
A motion detection system for detecting motion in input images. One of the input images is stored for use as a reference image for motion detection processing. The reference image is updated...
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5940145 |
Method and apparatus for motion compensated image processing using two separate motion measurement techniques
Motion compensated image processing is performed by producing vectors assigned to elementary areas of video fields. These are produced from at least two video fields in a sequence. A first...
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5900910 |
Block matching method and apparatus which can use luminance/chrominance data
A movement vector detecting apparatus for detecting a movement vector of an object between frames which are close to each other on a block unit basis is provided. A first mode to detect the...
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5784570 |
Server for applying a recipient filter and compressing the input data stream based upon a set of at least one characteristics in a multiuser interactive virtual environment
The present invention relates to a server for further reducing the amount of information that needs to be sent from the server to a set of user devices associated with a multiuser interactive...
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5737447 |
Device for hierarchical estimation of the motion of image sequences
The device includes a set of processing macromodules connected in cascade and organized in accordance with hierarchical levels. Each macromodule is structured so as to partition the current image...
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5734431 |
Video coding and decoding apparatus including corresponding nonlinear compression and expansion of a motion compensation error signal
A video coding apparatus includes a motion compensation circuit for motion-compensating a picture signal in a frame previous to a frame of video signals input for each frame, and generating a...
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5719627 |
System and method for motion compensation on sub-band represented signals of motion picture
For digital signals provided with motion vectors of a plurality of regions, a conversion coefficient for a respective one of the motion vectors is determined in accordance with the respective...
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5715017 |
Motion estimating system
In a motion estimating system, the sum of square values of picture element values of a current block is calculated in a current block square sum calculator and stored in a storage unit. The inner...
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5703650 |
Method of and device for estimating motion in a video signal
The method described enables a high accuracy of motion measurement to be achieved with simple circuitry and overcomes some of the most important sources of error introduced in other systems. Many...
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5638127 |
Adaptive blocking image signal coding system
An adaptive blocking coding system selects an effective blocking of an input image signal to be encoded in accordance with the correlation between fields, even if motion is detected between the...
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5604546 |
Image signal processing circuit for performing motion estimation
An image data processing circuit for detection of a motion vector by dividing one frame unit of an image signal into a plurality of blocks, each consisting of a predetermined number of pixel data,...
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5586202 |
Motion detecting apparatus
A motion detecting apparatus in which when pixels within a search range formed of a predetermined number of pixels and pixels within a reference data block the number of which is smaller than the...
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5485214 |
Dual bus dual bank architecture for motion compensation
A memory architecture for use in a video coder comprises two sets of memories and two buses. The memory architecture is used to increase the efficiency of use of a Motion Estimation Unit (MEU) in...
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5475432 |
Hibrid video signal encoder having a block rearrangement capability for better compressibility
A hybrid coder, for performing interframe video encoding which combines the advantages of both the interfield and the interframe codings for low bit-rate video transmission; the pel elements of a...
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RE35093 |
Systems and methods for coding even fields of interlaced video sequences
In accordance with the invention, a method, for coding multi-mode predictive interpolative coded fields of video, includes the steps of: (a) providing a current field of interlaced pixel data, and...
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5418617 |
Motion compensation using minimum bits per motion block as criterion for block matching
Apparatus for selecting a block of data in a previous frame to be used as a predicted block for a given block in a current frame in a system that reduces the bit rate by codifying the difference...
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5412435 |
Interlaced video signal motion compensation prediction system
A coder with a motion estimation system, which comprises a same parity field motion estimator, a near field motion estimator, an inter-field interpolated motion estimator, a comparator for...
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5412430 |
Image coding method and image coding apparatus
In high efficiency coding of a motion image signal in transmission or recording of the motion image signal, plural prediction signals are determined by independently compensating a motion of...
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5396292 |
Encoding apparatus for motion video signals
A subtracter (20) supplies a prediction error signal (21), derived from a prediction signal (101) and an input motion video signal (1). A quantizer (30) quantizes the prediction error signal to...
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5394190 |
Video signal encoding apparatus
A field to be encoded is divided into blocks. Then, first, second, and third motion vectors relative to data of a block of the field to be encoded are calculated from data of an m-th preceding...
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5379076 |
Video motion compensation circuit
A video motion compensation circuit comprising a Y phase variation compensation section for inputting a macro slice address signal and a motion vector Y signal and compensating for a variation in a...
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5355378 |
Predictive coding device capable of coding image data signals without a discontinuity among blocks
In a predictive coding device responding to a sequence of image data signals representative of picture elements to produce a sequence of coded output signals, a plurality of provisional error...
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5041908 |
Throughput regulation method for data for assistance in the reconstruction of sub-sampled moving electronic images
A method for the regulation of the throughput of assistance data is provided. The assistance date assists in the reconstruction of subsampled moving electronic images. The method is particularly...
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