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Electrical Computers: Arithmetic Processing And Calculating > Electrical Digital Calculating Computer > Particular Function Performed > Transform TransformTransform patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.10/12/06 - 20060230091 - Method and apparatus for compressing image data The present invention provides a method of compressing image data. The method includes a step of transforming image data into data composed of frequency components. In the transforming step, a number of bits calculated for frequency components requiring relatively low calculation quality for a transforming process is reduced below a ... 10/12/06 - 20060230090 - Integrated lifting wavelet transform The integrated lifting transform provides both the lossy and lossless lifting wavelet transforms while sharing the same lifting chain for either lossy data compression or lossless data compression. The lifting steps can provide a lossless compression and a lossy compression directly from lossless compression while the integer-to-integer adaptive four-stage lifting ... 10/05/06 - 20060224650 - Fast fourier transform processing in an ofdm system An FFT processor for an OFDM receiver includes multiple interrelated operational blocks. The FFT processor is configured to perform data demodulation, channel estimation, and fine timing acquisition on received OFDM symbols. The FFT processor incorporates a pipelined FFT engine using a memory architecture shared with channel estimation and demodulation blocks. ... 09/14/06 - 20060206552 - Method of ofdm transmission in a millimetre-wave wland and corresponding system A method of managing an OFDM transmission system, for instance a millimetre-wave WLAN, wherein a plurality of sets of samples including at least one set (X1, X2, . . . XN) of generally non-zero samples is subject to an integral transform transmitted in the integral-transformed format and subject to a ... 09/07/06 - 20060200513 - Fast fourier transform processor and method capable of reducing size of memories A fast Fourier transform (FFT) processor performs an FFT operation in each operation stage by carrying out a radix-2 butterfly operation two times every clock cycle on a plurality of N-point data pairs stored in two single port memories, which are classified into two groups according to the respective parity ... 08/31/06 - 20060195501 - Method and system for noise measurement with combinable subroutines for the mesurement, identificaiton and removal of sinusoidal interference signals in a noise signal A method combines, within a system for noise measurement, subroutines for the measurement, identification and removal of sinusoidal interference signals (Ak·ej(ωkt+φk), Ak·ej(μ·ωkΔt+φk)) in a noise signal (w(t), w(ν·Δt)). In this context, the procedural stage (S10, S110, S220) of splitting the frequency range (ν) to be measured into several frequency bands ... 08/17/06 - 20060184597 - Signal processing apparatus, signal processing method, and recording medium A signal processing apparatus includes the following elements. A plurality of signal processing software modules perform unit signal-processing steps of signal processing by means of software processing. An instruction input receiving unit receives an instruction. A virtual connecting unit sets up a virtual connection between inputs and outputs of the ... 06/01/06 - 20060117078 - 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 Discrete Cosine Transform”) using a performance optimized method and associated hardware apparatus. ... 05/11/06 - 20060101106 - Methods and apparatus for computing the input and output signals of a linear shift-variant system This invention is based on a new signal processing transform named Rao Transform (RT) which was invented recently by the author of the present invention. Forward RT provides a computationally efficient method and an associated apparatus for computing the output signal of a Linear Shift-Variant System (LSVS) from the input ... 05/04/06 - 20060095491 - Digital-signal processing apparatus, digital-signal processing method, program, and authentication apparatus A digital-signal processing apparatus in which the efficiency of processing data can be prevented uniformly. The apparatus includes: an extracting unit that extracts a part of real data input; a selecting unit that selects a data size from similar data sizes falling in a range, in accordance with the size ... 05/04/06 - 20060095490 - Method for representing complex numbers in a communication system A method for storage for complex numbers that employs a shared exponent field is disclosed. Rather than each floating point component of an complex number having its own distinct signed mantissa and exponent fields, each component includes a distinct signed mantissa field and shares an exponent field, thereby increasing the ... 05/04/06 - 20060095489 - Representation of implicit curves for procedural surfaces Compact and accurate piecewise parametric representations of implicit functions may be achieved by iteratively selecting ranges of parameterizing regions and testing each for satisfying an intervalized super convergence test. In one aspect, the implicit function is represented as a compact form of one or more representations of such convergence regions. ... 04/13/06 - 20060080374 - Processing of performance sensitive transforms The present invention provides a method, apparatus, and article of manufacture for controlling truncation error which is introduced when performing a transform equation as a result of lowering the precision of elements of the equation using shift right operations. This is achieved by associating a predetermined truncation amount with a ... 04/13/06 - 20060080373 - Compensating for errors in performance sensitive transformations The invention provides a method, a data analyzing system, an apparatus, and article of manufacture which reduce the error in transform equations in which constants are replaced by approximations. This is achieved by factoring an adjustment factor into the calculations which serves to reduce the error introduced by the approximations. ... 01/12/06 - 20060010188 - Method of and apparatus for implementing fast orthogonal transforms of variable size A reconfigurable architecture for and method of performing a fast orthogonal transform of vectors in multiple stages, the size of a vector being N, wherein N can vary and the number of stages is a function of N, the architecture comprising: a computational unit configured and arranged so as to ... 01/12/06 - 20060010187 - Arbitrarily accurate composite pulse sequences The present invention is a method for constructing fully-compensating composite pulses of arbitrary accuracy that can correct pulse power errors to any desired order. The invention has two preferred embodiments, the Trotter-Suzuki (TS) embodiment and the Solovay-Kitaev (SK) embodiment. Each preferred embodiment can be represented by a mathematical algorithm, which ... 12/01/05 - 20050267925 - Methods and apparatus for transforming amplitude-frequency signal characteristics and interpolating analytical functions using circulant matrices A method of performing a direct discrete transformation of a signal includes reading amplitude-frequency characteristics of a signal from a sensor. The signal is associated with a base grid to form a digital representation of a function that has a discrete Fourier representation. A circulant matrix is calculated that represents ... 11/24/05 - 20050262178 - Suppression of unwanted signal elements by sinusoidal amplitude windowing A method is provided for processing a signal containing regular or quasi-regular elements of unwanted signal, the method comprising the steps of: establishing timing characteristics of the unwanted signal elements in a portion of said signal; generating a time domain window function using said established timing characteristics; and applying the ... 11/17/05 - 20050256916 - Fast video codec transform implementations A fast implementation of the 8-point WMV9/VC-9 transform is realized using a sequence of butterfly operations and matrix multiplies. A fast implementation of the inverse transform is realized by applying inverses of the butterfly operations with the matrix multiplies in reverse flow. These fast implementations permit scaling to be incorporated ... 10/27/05 - 20050240642 - Method and system for on-line blind source separation A method and apparatus is disclosed for performing blind source separation using convolutive signal decorrelation. For a first embodiment, the method accumulates a length of input signal (mixed signal) that comprises a plurality of independent signals from independent signal sources. The invention then divides the length of input signal into ... 09/01/05 - 20050193048 - Method to generate, verify and deny an undeniable signature applying to each block (xi) a group homomorphism (f) to obtain a resulting value (yi), in which the number of elements of the initial group (G) is larger than the number of elements (d) of the destination group (H). ... 08/11/05 - 20050177607 - Method and apparatus for effectively performing linear transformations Linear transformations are carried out on a matrix that represents information such as an image or a communication. In an aspect, the matrix is processed to remove duplicate information. The duplicate information can be duplicate rows, or zero rows. This matrix is then transformed into a modified matrix, indicating duplicate ... 06/30/05 - 20050144208 - Apparatus, methods, and computer program products for reducing the number of computations and number of required stored values for information processing methods Apparatus, methods, and computer program products are provided for generating a second set of equations requiring reduced numbers of computations from a first set of general equations, wherein each general equation defines coefficients in terms of a set of samples and a plurality of functions having respective values. A first ... 06/16/05 - 20050131975 - Function arithmetic method and function arithmetic circuit A cyclic equation setting unit transforms and sets a Taylor series equation for calculating a sine function into a single cyclic equation common to terms of the Taylor series equation, the single cyclic equation having a new known number Q that is defined by multiplying a known number Q and ... 06/09/05 - 20050125474 - Method and structure for transform regression A predictive model method (and structure) includes receiving an input data into an initial model to develop an initial model output and receiving both of the input data and the initial model output as input data into a first transform/regression stage. ... ### FreshPatents.com Support |