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| Number | Title | Issue Date |
| 8185568 | Method of providing space filling patterns Methods of generating Hilbert space-filling indexes using simple bit-wise transformation are described herein. One method is based on a linear-based transformation uses bit-wise AND and XOR operations on a simple input index counter. In another method, the regular s... | 05/22/2012 |
| 8150901 | Integrated conversion method and apparatus An integrated transformation apparatus is provided. The apparatus includes a first multiplexer, a second multiplexer, and a transformation unit. The first multiplexer retrieves point data from columns or rows of a multi-dimensional matrix and input data. The second ... | 04/03/2012 |
| 8095585 | Efficient implementation of multidimensional fast fourier transform on a distributed-memory parallel multi-node computer The present in invention is directed to a method, system and program storage device for efficiently implementing a multidimensional Fast Fourier Transform (FFT) of a multidimensional array comprising a plurality of elements initially distributed in a multi-node comp... | 01/10/2012 |
| 8024389 | Inverse discrete cosine transform supporting multiple decoding processes The present invention provides an apparatus and method for providing a programmable inverse discrete cosine transform, wherein the transform coefficients are loaded into a memory area of a core transform device and a variety of coding standards can thereby be handle... | 09/20/2011 |
| 7836115 | System and method adapted to facilitate dimensional transform Systems and methods that facilitate dimensional transformations of data points are disclosed. In particular, the subject invention provides for a system and methodology that simplifies dimensional transformations while mitigating variations of a distance property be... | 11/16/2010 |
| 7788310 | Multi-dimensional transform for distributed memory network A method, information processing system and computer readable medium for performing a transform of a multidimensional matrix in a distributed memory network. The method includes storing a multidimensional matrix of side N in a distributed memory network comprising a... | 08/31/2010 |
| 7555509 | Parallel fast Fourier transformation method of concealed-communication type In a 3-dimensional fast Fourier transformation implemented by using a parallel-processing computer, an overhead caused by transfers of data between processors employed in the computer is reduced for the purpose of increasing the efficiency of processing parallelism.... | 06/30/2009 |
| 7483932 | Method and system for computing multidimensional fast Fourier transforms Methods, systems, and articles of manufacture consistent with the present invention compute a multidimensional fast Fourier transform of an original matrix having rows and columns of data. The original matrix is divided into a number of blocks of data, each block in... | 01/27/2009 |
| 7379956 | Encoding and decoding data arrays Some embodiments of the invention provide a method of performing a Discrete Cosine Transform (“DCT”) encoding or decoding coefficients of a data array by (1) multiplying the coefficients by a scalar value before the encoding or decoding, and then (2) dividing th... | 05/27/2008 |
| 7355917 | Two-dimensional data memory A two-dimensional data memory (1) comprising memory elements which are arranged in rows and columns, which are designed to store in each case one data word, which in the row direction and in the column direction are coupled locally to their respectively adjac... | 04/08/2008 |
| 7346640 | Image processing apparatus supporting both discrete cosine transform and discrete wavelet transform An image processing apparatus supporting both discrete wavelet transform and discrete cosine transform with reduced hardware resources. The image processing apparatus is composed of an input unit receiving a plurality of pixel data, a controlling unit selecting a de... | 03/18/2008 |
| 7343389 | Apparatus and method for SIMD modular multiplication An apparatus and method for single instruction multiple data (SIMD) modular multiplication are described. In one embodiment, the method includes selection of modular multiplication method available from an operating environment. Once the multiplication method is sel... | 03/11/2008 |
| 7330866 | System for frequency-domain scaling for discrete cosine transform A system for frequency-domain scaling for DCT computation. Scale factors are applied to coefficients during the final steps of composition of 2-point DCTs. The number of multiplications and required precision are reduced. Fixed values for various scale factors can b... | 02/12/2008 |
| 7318078 | System and method adapted to facilitate dimensional transform Systems and methods that facilitate dimensional transformations of data points are disclosed. In particular, the subject invention provides for a system and methodology that simplifies dimensional transformations while mitigating variations of a distance property be... | 01/08/2008 |
| 7315261 | Method for converting data from pixel format to bitplane format This invention efficiently converts normal pixel data into bit plane data. A sequence of pack, bitwise shuffle, masking, rotate and merging operations transform tile from pixel form to bit plane form. This enables downstream algorithms to read only the data for the ... | 01/01/2008 |
| 7315877 | Efficient implementation of a multidimensional fast fourier transform on a distributed-memory parallel multi-node computer The present in invention is directed to a method, system and program storage device for efficiently implementing a multidimensional Fast Fourier Transform (FFT) of a multidimensional array comprising a plurality of elements initially distributed in a multi-node comp... | 01/01/2008 |
| 7292730 | Two-dimensional inverse discrete cosine transforming Implementing a two-dimensional inverse discrete cosine transform function includes executing two one-dimensional inverse discrete cosine transforming functions. Each of the one-dimensional functions is controlled to operate on a matrix of coefficients in either of t... | 11/06/2007 |
| 7263543 | Method for manipulating data in a group of processing elements to transpose the data using a memory stack A method for transposing data in a plurality of processing elements is comprised of a plurality of shifting operations and a plurality of storing operations. The shifting and storing operations are coordinated to enable data to be stored along a diagonal of processi... | 08/28/2007 |
| 7233623 | Method and scalable architecture for parallel calculation of the DCT of blocks of pixels of different sizes and compression through fractal coding A method of calculating the discrete cosine transform (DCT) of blocks of pixels of a picture includes the steps of defining first subdivision blocks called range blocks, having a fractional and scaleable size N/2i*N/2i, where i is an integer nu... | 06/19/2007 |
| 7231413 | Transposition circuit The transposition circuit includes N input terminals (where N is an integer of 2 or greater) and N output terminals. This transposition circuit is configured such that when N packets of data for each matrix row are inputted in parallel to the corresponding input ter... | 06/12/2007 |
| 7216140 | Efficient implementation of n-point DCT, n-point IDCT, SA-DCT and SA-IDCT algorithms An efficient implementation of n-point discrete cosine transform, n-point inverse discrete cosine transform, shape adaptive discrete cosine transform and shape adaptive inverse discrete cosine transform algorithms for multimedia compression and decompression optimiz... | 05/08/2007 |
| 7191201 | Arithmetic processing apparatus An arithmetic processing apparatus includes a first data storage unit, two-dimensional arithmetic unit, and main control unit. The first data storage unit stores data to be processed. The two-dimensional arithmetic unit performs two-dimensional operation. The main c... | 03/13/2007 |
| 7142720 | Image data processing method and apparatus The present invention relates to an image data reconstructing apparatus for reconstructing an original image by dividing image data into a plurality of blocks each comprising NXN picture elements, performing two-dimensional orthogonal transform on each of said block... | 11/28/2006 |
| 7136890 | Inverse discrete cosine transform apparatus An inverse discrete cosine transform (IDCT) apparatus is disclosed. The inverse discrete cosine transform (IDCT) apparatus can satisfy the bit accuracy of the standard recommendation and enable implementation of the ASIC by a smaller logic circuit, and simplify an i... | 11/14/2006 |
| 7124160 | Processing architecture having parallel arithmetic capability According to the invention, a processing core is disclosed that includes a first source register, a number of second operands, a destination register, and a number of arithmetic processors. A bitwise inverter is coupled to at least one of the first number of operand... | 10/17/2006 |
| 7117236 | Parallel adder-based DCT/IDCT design using cyclic convolution The present invention provides a device and method for applying 1-D and 2-D DCT and IDCT transforms to sets of input data, typically 8×8 or 16×16 matricies of coefficients. In one embodiment, the present invention provides input lines, logic to pre-add input value... | 10/03/2006 |
| 7099812 | Grid that tracks the occurrence of a N-dimensional matrix of combinatorial events in a simulation using a linear index The disclosed invention is a grid that monitors a design simulation to support design verification coverage analysis. The disclosed invention includes n ordered axis declarations 72 that each correspond to a functional attribute and list at least two valid fu... | 08/29/2006 |
| 7096245 | Inverse discrete cosine transform supporting multiple decoding processes The present invention provides an apparatus and method for providing a programmable inverse discrete cosine transform, wherein the transform coefficients are loaded into a memory area of a core transform device and a variety of coding standards can thereby be handle... | 08/22/2006 |
| 7082450 | Implementation of a transform and of a subsequent quantization The invention relates to an approximation of a DCT and a quantization which are to be applied subsequently to digital data for compression of this digital data. In order to improve the transform, it is proposed to simplify a predetermined transform matrix to require... | 07/25/2006 |
| 7079698 | Image coding and decoding apparatus, method of image coding and decoding, and recording medium for recording program for image coding and decoding In an image decoding apparatus that generates a decoded image from a code sequence. The decoding apparatus has a bus, a computer and a memory, wherein the computer and the memory are connected to each other via the bus. The code sequence is generated by performing o... | 07/18/2006 |
| 7065546 | Method of performing quantization within a multimedia bitstream utilizing division-free instructions Methods for enhancing the performance of quantization operations by converting division operations to a combination of multiplication and shift operations, which are preferably performed on a processor supporting single-instruction multiple-data (SIMD) instructions.... | 06/20/2006 |
| 7058676 | Digital filtering methods and devices In order to transform an input digital signal (xn) into one or more output digital signals (yn) containing even-indexed samples (y2n) and odd-indexed samples (y2i+n), this filtering method includes at least one iteration w... | 06/06/2006 |
| 7054897 | Transposable register file A register file structure efficiently handles matrix and image processing. The register file contains an array of data elements and has modes for accessing of multiple data values that are aligned horizontally or vertically in a data array and for accessing data hav... | 05/30/2006 |
| 7043514 | System and method adapted to facilitate dimensional transform Systems and methods that facilitate dimensional transformations of data points are disclosed. In particular, the subject invention provides for a system and methodology that simplifies dimensional transformations while mitigating variations of a distance property be... | 05/09/2006 |
| 7035332 | DCT/IDCT with minimum multiplication A method, apparatus, computer medium, and other embodiments for discrete cosine transform and inverse discrete cosine transform (DCT/IDCT) of image signals are described. A DCT/IDCT module includes a plurality of different cores. One embodiment of a core includes tw... | 04/25/2006 |
| 7031994 | Matrix transposition in a computer system Improved transposition of a matrix in a computer system may be accomplished while utilizing at most a single permutation vector. This greatly improves the speed and parallelability of the transpose operation. For a standard rectangular matrix having M rows and N col... | 04/18/2006 |
| 7024441 | Performance optimized approach for efficient numerical computations In particular, the present invention relates to a method and system for improving the efficiency of computational processes and specifically multiply and accumulate (“MAC”) processes such as the DCT (“Discrete Cosine Transform”) and/or IDCT (“Inverse Discr... | 04/04/2006 |
| 7024442 | Processing apparatus A processing apparatus includes a memory capable of storing data, a butterfly arithmetic unit for performing butterfly computation processes, and a bit-reversed order shuffle processing unit for writing results obtained by butterfly computation processes performed b... | 04/04/2006 |
| 7024443 | Method and system for performing a fast-Fourier transform In a method for performing a fast-Fourier transform (FFT), input data samples are written to a storage instance in a data input step, then subjected to a processing step in which the stored input samples are read out of the storage instance and processed in accordan... | 04/04/2006 |
| 7020671 | Implementation of an inverse discrete cosine transform using single instruction multiple data instructions Compressed data are decompressed using an inverse discrete cosine transform (IDCT). A first one directional (1D) IDCT is performed resulting in a plurality of first 1D IDCT coefficients followed by a second 1D IDCT resulting in a plurality of second 1D IDCT coeffici... | 03/28/2006 |
