Class / Patent application number | Description | Number of patent applications / Date published |
375240190 | Wavelet | 38 |
20080240251 | 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 vertices and edges and (ii) coefficients in a base of wavelets corresponding to local modifications to the basic mesh, known as wavelet coefficients, wherein the coded data rate is controlled. The method includes the following steps: controlling a first rate of data representative of a basic mesh that meets a first rate criterion; controlling a second rate of data representative of wavelet coefficients according to a second rate criterion; and finally optimizing the coded data rate by controlling the quantification characteristics of the selected wavelet coefficients. | 10-02-2008 |
20090034624 | Method and Apparatus For a Multidimensional Discrete Multiwavelet Transform - Methods and apparatuses for compressing and decompressing digital data. The method for compressing digital data comprises a number of steps: a) generating a vector-valued dataset according to the digital data, b) transforming the vector-valued dataset into multiwavelet coefficients, and c) entropically coding the multiwavelet coefficients. The method for decompressing digital data is substantially made up of the same steps as the method for compressing digital data but functioning in a reverse manner. | 02-05-2009 |
20090103624 | POLYMORPHIC CODEC SYSTEM AND METHOD - An input module obtains a media signal to be communicated to a destination system, after which an identification module identifies a plurality of segments within the media signal. A codec includes a selection module that automatically selects different compression methods to respectively compress at least two of the segments. The compression methods are automatically selected to produce a highest compression quality for the respective segments according to a set of criteria without exceeding a target data rate. A compression module within the codec then compresses the segments using the automatically-selected compression methods, after which an output module delivers the compressed segments to the destination system with an indication of which compression method was used to compress each segment. | 04-23-2009 |
20090323819 | 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 comparison computation. The method comprises: receiving a data stream that has been compressed using a first compression protocol; decompressing the data stream using the first compression protocol; reducing temporal redundancy in the data stream using a comparison protocol; and recompressing the data stream using the first compression protocol. The apparatus comprises: a decompression unit to receive and decompress a compressed data stream to produce decompressed data; a comparison unit, coupled to the decompression unit, to perform a mathematical comparison operation on the decompressed data to produce resultant data; and a recompression unit to compress the resultant data to produce a further compressed data stream. | 12-31-2009 |
20100014590 | IMAGE DATA PROCESSING - Methods of spatial compression of image data using trees formed with logic gates are described. Data encoding is achieved using a five-level wavelet transform, such as the Haar or 2/10 transforms. A dual transform engine is used, the first engine being used for the first and second parts of the first-level transform, and the subsequent-level transforms being performed by the second engine within a time not more than that taken by the first transform engine to effect the part-transform. Each bit plane of the resulting coefficients is then encoded by forming a tree structure from the bits and logical OR combinations thereof. Redundant data are removed. Further data can be removed with a predetermined compression profile. The resulting blocks of compressed data are of variable length and are packaged with sync and index words for transmission so that the location and identity of the transformed data blocks can be determined. | 01-21-2010 |
20100020882 | Barbell Lifting for Wavelet Coding - A method for encoding motion-compensated video data includes generating, for a current frame, a high-pass wavelet coefficient based on a function of pixels in a temporally adjacent frame. The operations are repeated for multiple pixels in an array of pixels in the current frame to form an array of high-pass wavelet coefficients. A low-pass wavelet coefficient is generated based on a function of the high-pass wavelet coefficients. A system for coding video data includes a temporal wavelet decomposition module decomposing a pixel into a high-pass coefficient by performing a discrete wavelet transform on the pixel, a function of pixels in a previous frame, and/or a function of pixels in a subsequent frame. The system includes a motion estimation module generating motion vectors associated with the pixels in the previous frame and in the subsequent frame. | 01-28-2010 |
20100166077 | APPARATUS AND METHOD FOR COMPRESSING VIDEO INFORMATION - A method and apparatus is disclosed for efficiently encoding data representing a video image, thereby reducing the amount of data that must be transferred to a decoder. The method includes transforming data sets utilizing a tensor product wavelet transform which is capable of transmitting remainders from one subband to another. Collections of subbands, in macro-block form, are weighted, detected, and ranked enabling prioritization of the transformed data. A motion compensation technique is performed on the subband data producing motion vectors and prediction errors which are positionally encoded into bit stream packets for transmittal to the decoder. Subband macro-blocks and subband blocks which are equal to zero are identified as such in the bit stream packets to further reduce the amount of data that must be transferred to the decoder. | 07-01-2010 |
20100172419 | Systems and methods for compression, transmission and decompression of video codecs - Embodiments of this invention include mathematical methods to develop software and/or hardware implementations that use wavelet transforms (WT) to pre-process video frames that can then be compressed using a variety of codecs to produce compressed video frames. Such compressed video frames can then be transmitted, decompressed, post-processed using the post-processing methods disclosed in the invention and displayed in their original size and quality using software and/or hardware implementations of embodiments of the invention, thereby producing real-time high-quality reproduction of video sequences. Embodiments include computer devices and computer readable media to implement these methods. | 07-08-2010 |
20100329352 | 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 that can then be compressed using a variety of codecs to produce compressed video frames. Such compressed video frames can then be transmitted, decompressed, post-processed using the post-processing methods disclosed in the invention and displayed in their original size and quality using software and/or hardware implementations of embodiments of the invention, thereby producing real-time high-quality reproduction of video sequences. Embodiments include computer devices and computer readable media to implement these methods. | 12-30-2010 |
20110007819 | 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 data to a smaller number of spectral bands using principal component analysis, determining an optimum compression ratio for each of the smaller number of spectral bands for use in a wavelet transform, and subsequently compressing the smaller number of spectral bands spatially using the wavelet transform with the optimum compression ratios. | 01-13-2011 |
20110032994 | METHOD AND A SYSTEM FOR WAVELET BASED PROCESSING - A method for compressing digital data. The method comprises creating a plurality of wavelet coefficients associated with an input signal by iteratively performing a plurality of wavelet transforms to a plurality of sub-bands of the input signal, adjusting a zerotree dataset according to each the wavelet transform, and encoding the plurality of wavelet coefficients according to the zerotree dataset. | 02-10-2011 |
20110051814 | IMAGE PROCESSING SYSTEM AND METHOD - A system and method for processing an image is provided. The system includes an encoder configured to subdivide the image into N subregions. The value of N is computed based upon a spatial resolution of the image, a granularity value and a level of wavelet decomposition. The encoder is configured to perform wavelet decomposition on each of the N subregions. The system includes memory circuitry configured to store image data resulting from the decomposition for later transmission. | 03-03-2011 |
20110103489 | 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 position within multiple high-frequency subbands belonging to the same hierarchy. At the time, the coefficient encoding unit calculates an encoding parameter for the wavelet transform coefficient of an encoding object based on multiple encoded vicinal wavelet transform coefficients within the multiple high-frequency subbands belonging to the same hierarchy, and encodes the wavelet transform coefficient of the encoding object into a variable-length code by utilizing the calculated encoding parameter. | 05-05-2011 |
20110170607 | 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 things: black frames which have energy less than the specified amount, consecutive frames which have energy difference is less than the specified amount, and changes in scene which have energy difference is more than a specified amount. If there is little or no energy or energy difference, then the frame is replaced by an indication rather than information about the frame itself; either an indication of a black frames or an indication of no change between two adjacent frames. If there is much energy, then this is taken as the beginning of a new scene, and used as an area to change group of frames. | 07-14-2011 |
20120121022 | 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 that can then be compressed using a variety of codecs to produce compressed video frames. Such compressed video frames can then be transmitted, decompressed, post-processed using the post-processing methods disclosed in the invention and displayed in their original size and quality using software and/or hardware implementations of embodiments of the invention, thereby producing real-time high-quality reproduction of video sequences. Embodiments of devices that can implement the methods of this invention include mainframe computers, desktop computers, personal computers, laptop computers, tablet computers, wireless computers, television sets, set top boxes, cellular telephones, and computer readable media. | 05-17-2012 |
20120170663 | VIDEO PROCESSING - A video stream comprising a plurality of sequential frames of pixels is processed. For each pixel in a frame, a pixel data stream comprising the color components of the specific pixel is extracted from each frame with a processor. For each pixel data stream, a transformation of the pixel data stream into a plurality of detail components is performed with the processor. From each transformed pixel data stream, a detail component defining a lowest level of detail for the respective pixel data stream is collected with the processor. The collected lowest level of detail components is stored, sequentially in a primary block. At least one additional block containing remaining detail components is generated. | 07-05-2012 |
20120183073 | SYSTEMS AND METHODS FOR WAVELET AND CHANNEL-BASED HIGH DEFINITION VIDEO ENCODING - A wavelet transform (WT) is applied to a data stream of high definition video frames, each comprising one or more data channels digitally representing the same image. A WT is applied to each channel. Visual-quality preserving data filters and data substitution techniques are selectively applied that typically lead to at least 90-to-1 compression of the final encoded video frame. Image edge data is extracted and preserved and image noise is reduced to enhance compressibility. After the first WT, primarily low frequency (LL) image data is retained. With each later WT, more non-LL data is retained. Temporal sequences of LL images that result from the final iteration of the wavelet transform are compressed by means of a chain of invertible differenced images. Any color space can be used. Cross-channel conditional substitution is applicable. Complete multiresolution scalability is incorporated into the encoded product. Extra-high definition video encoding is also achievable. | 07-19-2012 |
20120236945 | WAVELET TRANSFORMATION USING MULTICORE PROCESSORS - A method for wavelet based data compression comprising: receiving data associated, with a set of pixels, computing wavelet coefficients by applying a series of Discrete Wavelet Transform (DWT) low-pass and high-pass filtering operations, wherein a number of filtering operations is reduced by: identifying common partial products for at least one of the lowpass filtering operations and the high-pass filtering operations, classifying a first portion of the wavelet coefficients as low magnitude coefficients and a second portion of the wavelet coefficients as high magnitude coefficients, eliminating the common partial products for the high magnitude wavelet coefficients, replacing multiplication operations for the low magnitude wavelet coefficients with shift-and-add operations, and eliminating the common partial products, and applying the DWT based on remaining filtering operations. | 09-20-2012 |
20130101048 | SIGNAL TRANSFORMATION APPARATUS APPLIED HYBRID ARCHITECTURE, SIGNAL TRANSFORMATION METHOD, AND RECORDING MEDIUM - A signal transformation apparatus, a signal transformation method, and a recording medium are provided. The signal transformation apparatus selects any one of DCT-II, DST-II, DFT, and HWT, and transforms and outputs the input signal according to the selected transform. Therefore, the hybrid architecture of low complexity can be attained. | 04-25-2013 |
20130114732 | VIDEO AND DATA PROCESSING USING EVEN-ODD INTEGER TRANSFORMS - Methods, apparatuses and systems for integer transforms, and/or integer transform operations, for transforming data (e.g., residual video data) are disclosed. Included among such methods, apparatuses and systems is an apparatus that may include a processor and memory. The memory may include a set of transform matrices and instructions executable by the processor for transforming data (e.g., residual video data) using any of the set of transform matrices. Each transform matrix of the set of transform matrices may be orthogonal or, alternatively, may be approximately orthogonal and be fully factorizable. Each transform matrix of the set of transform matrices may have a different number of elements. Each element of the respective number of elements is an integer. Differences among norms of basis vectors of each transform matrix satisfy a given threshold, and the basis vectors approximate corresponding basis vectors of a discrete cosine transform (DCT) matrix. | 05-09-2013 |
20130315317 | 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 that can then be compressed using a variety of codecs to produce compressed video frames. Such compressed video frames can then be transmitted, decompressed, post-processed using the post-processing methods disclosed in the invention and displayed in their original size and quality using software and/or hardware implementations of embodiments of the invention, thereby producing real-time high-quality reproduction of video sequences. Embodiments of devices that can implement the methods of this invention include mainframe computers, desktop computers, personal computers, laptop computers, tablet computers, wireless computers, television sets, set top boxes, cellular telephones, and computer readable media. | 11-28-2013 |
20140044193 | A GUARANTEED-RATE TILED MEMORY-DATA COMPRESSION - A method of compressing digital image data is provided that includes, for each image data block in a plurality of image data blocks in the digital image data, transforming image data in the image data block to convert the image data to a low-frequency coefficient and a plurality of high-frequency coefficients, computing a predicted low-frequency coefficient for the image data block based on at least one neighboring image data block in the plurality of image data blocks, computing a residual low-frequency coefficient based on the predicted low-frequency coefficient and the low-frequency coefficient, quantizing the plurality of high-frequency coefficients, and entropy coding the residual low-frequency coefficient and the quantized high-frequency coefficients. | 02-13-2014 |
20140233656 | SYSTEMS AND METHODS FOR WAVELET AND CHANNEL-BASED HIGH DEFINITION VIDEO ENCODING - A wavelet transform (WT) is applied to a data stream of high definition video frames, each comprising one or more data channels digitally representing the same image. A WT is applied to each channel. Visual-quality preserving data filters and data substitution techniques are selectively applied that typically lead to at least 90-to-1 compression of the final encoded video frame. Image edge data is extracted and preserved and image noise is reduced to enhance compressibility. After the first WT, primarily low frequency (LL) image data is retained. With each later WT, more non-LL data is retained. Temporal sequences of LL images that result from the final iteration of the wavelet transform are compressed by means of a chain of invertible differenced images. Any color space can be used. Cross-channel conditional substitution is applicable. Complete multi-resolution scalability is incorporated into the encoded product. Extra-high definition video encoding is also achievable. | 08-21-2014 |
20140294089 | 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 bands such as those resulting from a wavelet transform. The frequency components may have associated coefficients which may be determined via the transform. The hybrid coding mode may also implement a predictor-based coding mode. A predictor-based coding mode uses a set of values as predictors for another set of values. The hybrid mode may be implemented by using predictor-based coding to code a portion of the coefficients. For example, a coefficient may be used as a predictor for another coefficient of same frequency component. In some implementations, dynamic selection between a hybrid coding mode and a point coding mode may be used. | 10-02-2014 |
20140328406 | 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' energy, and generate ideal entropy removal configuration data continuously responsive to changes in video behavior. Construction of successive-refinement streams is supported by this technology, permitting response to changing channel conditions. Lossless compression is also supported by this process. The embodiment described herein uses a video correlation model to develop optimal entropy removal tables and optimal transmission sequence based on a combination of descriptive characteristics of the video source, enabling independent derivation of said optimal entropy removal tables and optimal transmission sequence in both encoder and decoder sides of the compression and playback process. | 11-06-2014 |
20150131741 | METHOD OF CODING AND DECODING INTEGRAL IMAGES, A DEVICE FOR CODING AND DECODING INTEGRAL IMAGES, AND CORRESPONDING COMPUTER PROGRAMS - A method is provided for encoding at least one integral image representative of at least one object in perspective in a scene. The method implements the following steps: applying a discrete wavelet transform directly to the pixels of the integral image, delivering a plurality of transform coefficients; and encoding the delivered transform coefficients. | 05-14-2015 |
20150334420 | METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO - An encoding apparatus (EA | 11-19-2015 |
20150341083 | METHOD AND SYSTEM FOR TRANSMITTING VIDEO DATA OVER A POWERLINE COMMUNICATIONS TRANSMISSION CHANNEL - For transmitting video data over a powerline communications transmission channel, a first communication device: obtains video data in the form of a succession of uncompressed images; determines the capacity of the transmission channel; performs a wavelet-decomposition of each uncompressed image, thereby obtaining data having different resolutions; compresses each wavelet-decomposed image, on the basis of the determined capacity of the powerline communications transmission channel; and performs transmission in pulse form with spreading of each compressed image to a second communication device, to introduce data redundancy, the rate of which, for each data item of said compressed image, is defined on the basis of the resolution of said video data item, the redundancy of the data having the lowest resolution being higher than the one of the data having any other resolution. The first communication device also transmits speed maps enabling the second communication device to thereby apply an image enhancement operation. | 11-26-2015 |
20150382021 | TECHNIQUES FOR PROCESSING A VIDEO FRAME BY A VIDEO ENCODER - Various embodiments are generally directed to an apparatus, method and other techniques for divide a frame comprising pixels into a number of macroblocks, each macroblock comprising a number of pixels within four macroblock boundaries. Various embodiments may also include creating at least two regions having a plurality of macroblocks by dividing the frame along macroblock boundaries and generating wave front groups based on the macroblocks in each region, each wave front group from each region comprising one or more macroblocks to process in parallel. | 12-31-2015 |
20160100194 | METHOD AND APPARATUS FOR ENCODING IMAGE DATA USING WAVELET SIGNATURES - Methods of data encoding using trees formed with logic gates are described which lead to spatial compression of image data. Data encoding is achieved using a five-level wavelet transform, such as the Haar or the 2/10 transform. A dual transform engine is used, the first and engine being used for the first part of the first-level transform, the second part of the first-level transform and the subsequent-level transforms being performed by the second transform engine within a time interval which is less than or equal to the time taken by the first transform engine to effect the part-transform. Each bit plane of the resulting coefficients is then encoded by forming a tree structure from the bits and OR logical combinations thereof. Redundant data are removed from the resulting tree structure, and further data can be removed by using a predetermined compression profile. The resulting blocks of compressed data are of variable length and are packaged with sync words and index words for transmission so that the location and identity of the transformed data blocks can be determined from the received signal. | 04-07-2016 |
20160100195 | METHOD AND APPARATUS FOR COMPRESSING IMAGE DATA USING A TREE STRUCTURE - Methods of data encoding using trees formed with logic gates are described which lead to spatial compression of image data. Data encoding is achieved using a five-level wavelet transform, such as the Haar or the 2/10 transform. A dual transform engine is used, the first and engine being used for the first part of the first-level transform, the second part of the first-level transform and the subsequent-level transforms being performed by the second transform engine within a time interval which is less than or equal to the time taken by the first transform engine to effect the part-transform. Each bit plane of the resulting coefficients is then encoded by forming a tree structure from the bits and OR logical combinations thereof. Redundant data are removed from the resulting tree structure, and further data can be removed by using a predetermined compression profile. The resulting blocks of compressed data are of variable length and are packaged with sync words and index words for transmission so that the location and identity of the transformed data blocks can be determined from the received signal. | 04-07-2016 |
20160105686 | METHOD AND APPARATUS FOR COMPRESSING IMAGE DATA USING COMPRESSION PROFILES - Methods of data encoding using trees formed with logic gates are described which lead to spatial compression of image data. Data encoding is achieved using a five-level wavelet transform, such as the Haar or the 2/10 l transform. A dual transform engine is used, the first and engine being used for the first part of the first-level transform, the second part of the first-level transform and the subsequent-level transforms being performed by the second transform engine within a time interval which is less than or equal to the time taken by the first transform engine to effect the part-transform. Each bit plane of the resulting coefficients is then encoded by forming a tree structure from the bits and OR logical combinations thereof. Redundant data are removed from the resulting tree structure, and further data can be removed by using a predetermined compression profile. The resulting blocks of compressed data are of variable length and are packaged with sync words and index words for transmission so that the location and identity of the transformed data blocks can be determined from the received signal. | 04-14-2016 |
20160119623 | IMAGE PROCESSING SYSTEM WITH CONDITIONAL CODING AND METHOD OF OPERATION THEREOF - An image processing system, and a method of operation thereof, including: a capture unit for obtaining an input image block; and an image signal processing unit coupled to the capture unit, the image signal processing unit including: a pre-processing module for generating a one-dimensional image block from the input image block, a wavelet transform module, coupled to the pre-processing module, for transforming the one-dimensional image block by wavelet coefficients includes a significant partition and a sub-significant partition identified in the wavelet coefficients, a coding module, coupled to the wavelet transform module, for generating a compressed image block including accessing a variable length coding table based on the significant partition and the sub-significant partition, and an inverse wavelet transform module coupled to the coding module for generating an output image block by performing an inverse wavelet transform on the compressed image block for display on a display device. | 04-28-2016 |
20160119629 | IMAGE PROCESSING SYSTEM WITH CODING MODE AND METHOD OF OPERATION THEREOF - An image processing system, and a method of operation thereof, including: a capture device for obtaining an input image block; and an image signal processing hardware coupled to the capture device, the image signal processing hardware including: a coding module including: a scaling correction module for generating a scaled wavelet block based on the input image block, a grey block detection module for determining the input image block to be a grey image block, a compression ratio module for determining the compression ratio of the input image block, a mode setting module for setting a PCM mode identifier based on the compression ratio, the coding module for generating a compressed image block by scanning and coding the input image block using PCM mode; and a decoding module for generating an output image block by decoding the compressed image block for display on a display device. | 04-28-2016 |
20160119637 | IMAGE PROCESSING SYSTEM WITH JOINT ENCODING AND METHOD OF OPERATION THEREOF - An image processing system, and a method of operation thereof, including: a capture device for obtaining an input image block; and an image signal processing hardware including: a wavelet transform module for generating a transformed image block based on the input image block, the transformed image block having wavelet coefficients, a coding module including a scaling correction module for organizing binary values of the wavelet coefficients into bitplanes and for generating a scaled wavelet block with a scaling factor, the coding module for generating a compressed image block by scanning and coding the bitplanes of the scaled wavelet block, and a decoding module and an inverse wavelet transform module for generating an output image block by decoding, rescaling, and performing an inverse wavelet transform on the compressed image block for display on a display device. | 04-28-2016 |
20160119647 | IMAGE PROCESSING SYSTEM WITH BINARY ADAPTIVE GOLOMB CODING AND METHOD OF OPERATION THEREOF - A system and method of operation of an image processing system includes: a pre-processing module for receiving a raw image block of a source image from an imaging device; a transform module for forming a coefficient block by performing a transform operation on the raw image block, and the transform operation including a wavelet transform or a discrete cosine transform; and an encoding module wherein the encoding module is for calculating a coefficient significance vector, a partition significance vector, a run-length coded value, and a Golomb coded value for a portion of a significant partition, and forming an encoded block in an image bitstream having the run-length coded value and the Golomb coded value, and the encoded block. | 04-28-2016 |
20160142737 | METHOD AND APPARATUS FOR PACKAGING IMAGE DATA FOR TRANSMISSION OVER A NETWORK - Methods of data encoding using trees formed with logic gates are described which lead to spatial compression of image data. Data encoding is achieved using a five-level wavelet transform, such as the Haar or the 2/10 transform. A dual transform engine is used, the first and engine being used for the first part of the first-level transform, the second part of the first-level transform and the subsequent-level transforms being performed by the second transform engine within a time interval which is less than or equal to the time taken by the first transform engine to effect the part-transform. Each bit plane of the resulting coefficients is then encoded by forming a tree structure from the bits and OR logical combinations thereof. Redundant data are removed from the resulting tree structure, and further data can be removed by using a predetermined compression profile. The resulting blocks of compressed data are of variable length and are packaged with sync words and index words for transmission so that the location and identity of the transformed data blocks can be determined from the received signal. | 05-19-2016 |
20160205413 | SYSTEMS AND METHODS FOR WAVELET AND CHANNEL-BASED HIGH DEFINITION VIDEO ENCODING | 07-14-2016 |