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US20110170607 WEAV Video Compression System  
Compression of a video by segmentation, transformation, transform encoding, difference encoding, and muxing. The segmentation looks at energies of the frames, in order to find three different...
US20060114999 Multi-layer video coding and decoding methods and multi-layer video encoder and decoder  
Multi-layer video coding and decoding methods, multi-layer video encoder and multi-layer video decoder are provided. The multi-layer video coding method includes encoding a video frame having a...
US20060262856 Multi-view video coding based on temporal and view decomposition  
A method and system for coding a multi-view video having multiple views based on temporal decomposition and view decomposition is provided. A multi-view video coding (“MVC”) system provides a...
US20080031344 Wyner-Ziv and Wavelet Video Coding  
Wyner-Ziv and wavelet video coding is described. In one aspect, Wyner-Ziv frames from multiple frames of source video content are zero-tree entropy encoded to generate encoded Wyner-Ziv content....
US20110103489 METHOD AND APPARATUS FOR ENCODING AND DECODING BY WAVELET TRANSFORM  
A wavelet transform encoding apparatus includes a coefficient encoding unit which encodes each group of multiple wavelet transform coefficients LH, HL, and NH located spatially at the same...
US20060146937 Three-dimensional wavelet video coding using motion-compensated temporal filtering on overcomplete wavelet expansions  
Encoding and decoding methods and apparatuses are provided for encoding and decoding video frames. The encoding method (700) and apparatus (110) use three dimensional lifting in an overcomplete...
US20070009041 Method for video data stream integration and compensation  
A method for video data stream integration and compensation includes using a discrete wavelet transform technique to compress and encode key frames of a video signal, and a discrete cosine...
US20070110162 3-D morphological operations with adaptive structuring elements for clustering of significant coefficients within an overcomplete wavelet video coding framework  
A system and method is provided for digitally encoding video signals within an overcomplete wavelet video coder. Three dimensional morphological operations are used to identify clusters of...
US20060083300 Video coding and decoding methods using interlayer filtering and video encoder and decoder using the same  
Video coding and decoding methods using interlayer filtering and a video encoder and decoder using the same are provided. Multi-layer video coding employing a plurality of video coding algorithms...
US20050084014 Video encoding with motion-selective wavelet transform  
A method encodes a video by applying a dual-tree discrete wavelet transform to the video to generate sequences of wavelet coefficients. The sequences are compressed to produce a compressed...
US20060159173 Video coding in an overcomplete wavelet domain  
Encoding and decoding methods and apparatuses are provided for encoding and decoding video frames. The encoding method (600) and apparatus (110) use motion compensated discrete cosine transform...
US20130315317 Systems and Methods for Compression Transmission and Decompression of Video Codecs  
Embodiments of this invention include computer-implemented mathematical methods to develop software and/or hardware implementations that use wavelet transforms (WT) to pre-process video frames...
US20120121022 SYSTEMS AND METHODS FOR COMPRESSION, TRANSMISSION AND DECOMPRESSION OF VIDEO CODECS  
Embodiments of this invention include computer-implemented mathematical methods to develop software and/or hardware implementations that use wavelet transforms (WT) to pre-process video frames...
US20060291564 Hierarchical coding and decoding method  
The method comprising a wavelet-based spatial analysis step comprising filtering operations of the picture at the high resolution format and horizontal and/or vertical decimation operations of the...
US20060239345 Method of signalling motion information for efficient scalable video compression  
A method for incrementally coding and signalling motion information for a video compression system involving a motion adaptive transform and embedded coding of transformed video samples comprises...
US20050201468 Method and apparatus for interframe wavelet video coding  
The present invention provides a method and apparatus for interframe wavelet video coding which comprises Motion Compensated Temporal Filtering and Discrete Wavelet Transform Coding to obtain: 1....
US20050047509 Scalable video coding and decoding methods, and scalable video encoder and decoder  
Scalable video coding and decoding methods, a scalable video encoder, and a scalable video decoder. The scalable video coding method includes receiving a GOP, performing temporal filtering and...
US20070081593 Interframe wavelet coding apparatus and method capable of adjusting computational complexity  
Provided is an inter-frame wavelet coding apparatus that can reduce the computation complexity of a decoder by adjusting a decomposition level and a filter length based on the information amount...
US20070201557 Motion-Compensated Spatio-Temporal Wavelet Compression Of Video Data With Optimised Permutation Of The Frames  
In video encoding, the video frames are spatio-temporally filtered for reduction of spatial and temporal redundancy before they are entropy encoded. Known filtering schemes consider temporally...
US20060114998 Video coding method and device  
The invention generally relates to a three-dimensional (3D) video coding method for the compression of a bitstream corresponding to an original video sequence that has been divided into successive...
US20060114993 Spatial scalability in 3D sub-band decoding of SDMCTF-encoded video  
Techniques and tools are described for scalable video coding and decoding. For example, a 3D sub-band decoder receives video encoded using spatial-domain motion-compensated temporal filtering at a...
US20060078050 System and method for increasing SVC compressing ratio  
A system for increasing the compressing ratio in scalable video coding and the method thereof perform predictive video coding in the spatial low sub-bands of the temporal low sub-band picture in...
US20070014369 Ultra-wideband communications system and method  
An ultra-wideband communications network and methods for communication are provided. In one embodiment, an ultra-wideband transceiver transmits digital video data that is in a lossy or lossless...
US20050002457 Video coding using bit-plane coding based on significance of neighboring samples  
A video encoding system and method utilizes a three-dimensional (3-D) wavelet transform and entropy coding that utilize motion information in a way to reduce the sensitivity to motion. In one...
US20130094584 ENCODING DEVICE, ENCODING METHOD, DECODING DEVICE, AND DECODING METHOD  
The present technology relates to an encoding device and an encoding method, and a decoding device and a decoding method that are capable of reducing the calculation amount of orthogonal transform...
US20070297516 Optimization methods for objective measurement of video quality  
An optimization method, which finds the optimal weight vector, is provided. The method finds the optimal weight vector which is used to produce an objective score from a parameter vector. Such...
US20100329352 Systems and methods for compression, transmission and decompression of video codecs  
Embodiments of this invention include computer-implemented mathematical methods to develop software and/or hardware implementations that use wavelet transforms (WT) to pre-process video frames...
US20050078873 Movement detection and estimation in wavelet compressed video  
A method and system for moving object and region detection in video compressed using a wavelet transform is disclosed. A plurality of images are inputted to the system in wavelet compressed format...
US20050157793 Video coding/decoding method and apparatus  
A video encoder/decoder and method. The video coding method includes estimating a virtual frame, electing a reference frame from candidate frames including the virtual frame to remove temporal...
US20060245500 Tunable wavelet target extraction preprocessor system  
The present invention is a target tracking system for enhanced target identification, target acquisition and track performance that is significantly superior over other methods. Specifically, the...
US20050157790 Apparatus and mehtod of coding moving picture  
The present invention relates to an apparatus and method of coding moving pictures which employs a wavelet transform. In particular, the present invention performs intra frame coding by...
US20050047508 Adaptive interframe wavelet video coding method, computer readable recording medium and system therefor  
An adaptive interframe wavelet video coding method, a computer readable recording medium and system therefor are provided. The interframe wavelet video coding method includes (a) receiving a...
US20080002775 Signal analysis employing matched wavelet  
A method of analyzing a signal, the method including obtaining a series of digital values representative of a quasi-period waveform having a plurality of cycles, with each cycle having at least a...
US20060165174 Processing or compressing n-dimensional signals with warped wavelet packets and bandelets  
A method and apparatus for processing or compressing an n-dimensional digital signal by constructing a sparse rep resentation which takes advantage of the signal geometrical regularity. The...
US20080013846 WAVELET TRANSFORMATION DEVICE AND METHOD, WAVELET INVERSE TRANSFORMATION DEVICE AND METHOD, PROGRAM, AND RECORDING MEDIUM  
A wavelet transformation device for performing wavelet transformation at a plurality of levels as to image signals, comprises: a first buffer for storing, independently for each of the levels, a...
US20080008395 Image compression based on union of DCT and wavelet transform  
A union of DCT (discrete cosine transform) and wavelet transform can generate a much sparser representation of the digital image signal than either of them alone. After the block-based DCT, the...
US20140328406 Method and Apparatus to Perform Optimal Visually-Weighed Quantization of Time-Varying Visual Sequences in Transform Space  
Pure transform-based technologies, such as the DCT or wavelets, can leverage a mathematical model based on few or one parameters to generate the expected distribution of the transform components'...
US20060233256 Method for encoding and/or decoding groups of images  
The present invention relates to a method of coding and/or decoding groups of pictures. According to the invention, during the temporal decomposition of a stream of pictures within the framework...
US20070053435 3D video scalable video encoding method  
The present invention relates to a method of encoding a sequence of frames comprising the steps of dividing the sequence of frames into groups of N frames (F1-F8) with size H*W, one level sparial...
US20140294089 Hybrid Transform-Based Compression  
A system implements a hybrid coding mode. The hybrid coding mode may implement a transform to decompose an input stream into frequency components. The frequency components may include frequency...
US20060039472 Methods and apparatus for coding of motion vectors  
A method and apparatus is described for coding motion information in video processing of a stream of image frames and for avoiding the drift problem. The method or apparatus is for providing...
US20060013311 Video decoding method using smoothing filter and video decoder therefor  
A method and apparatus for increasing output picture quality at a decoding terminal by using a smoothing filter are provided. The video decoding method includes generating a residual frame from an...
US20050063470 Encoding method for the compression of a video sequence  
The invention relates to an encoding method for the compression of a video sequence by means of a three-dimensional wavelet transform. This method is based on a hierarchical subband encoding...
US20110007819 Method and System for Compression of Hyperspectral or Multispectral Imagery with a Global Optimal Compression Algorithm (GOCA)  
A computer based method and system for compressing digital hyperspectral or multispectral image data. The method includes initially reducing the plurality of spectral bands of the hyperspectral...
US20050157794 Scalable video encoding method and apparatus supporting closed-loop optimization  
Provided are a method and apparatus for improving the quality of an image output from a decoder by reducing an accumulated error between an original frame available at an encoder and a...
US20050226335 Method and apparatus for supporting motion scalability  
A method and apparatus for supporting scalability for motion vectors in scalable video coding are provided. The motion estimation apparatus includes a motion estimation module searching for a...
US20060013312 Method and apparatus for scalable video coding and decoding  
A method and apparatus for video coding supporting spatial scalability by performing wavelet transform using filters with different coefficients according to wavelet decomposition levels are...
US20080240251 Method For the Encoding of Wavelet-Encoded Images With Bit Rate Control, Corresponding Encoding Device and Computer Program  
The disclosure relates to a method of coding at least one still or animated image, in which said image is associated with (i) a basic mesh formed by a set of faces that are defined by a set of...
US20050117647 Method and apparatus for scalable video encoding and decoding  
A method and apparatus for scalable video and decoding are provided. A method for video coding includes eliminating temporal redundancy in constrained temporal level sequence from a plurality of...
US20070253487 Wavelet Transform Aparatus and Method, Scalable Video Coding Apparatus and Method Employing the Same, and Scalable Video Decoding Apparatus and Method Thereof  
Provided are a lift-based wavelet transform apparatus and method, a scalable video coding apparatus and method using the same, and a scalable video decoding apparatus and method. The lifting-based...

Matches 1 - 50 out of 96 1 2 >