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US20110200269 Fast Approximation For Bilateral Filter  
Multiple filters of a bilateral filter are decoupled to form into multple linear filtering operations, which permits faster processing. The bilateral filter is re-presented as an approximate...
US20150236669 Optimal Factoring of FIR Filters  
A method and system for the design and implementation of an optimally factored filter is presented. Pairs of angle values are organized in pairing candidates and a threshold is defined to indicate...
US20130110897 DIGITAL FILTER HAVING IMPROVED ATTENUATION CHARACTERISTICS  
A digital filter having improved attenuation characteristics is disclosed. The disclosed performs upsampling of model filter response by applying a sampling kernel scaled by a sampling constant....
US20110029589 LOW POWER FIR FILTER IN MULTI-MAC ARCHITECTURE  
Embodiments of the invention are directed to system and method that enable relatively low power dissipation by scheduling operations of multiply accumulators chain of two or more multiply...
US20130013262 METHOD OF PERFORMING SYNTHETIC INSTRUMENT BASED NOISE ANALYSIS USING PROPORTIONAL BANDWIDTH SPECTRUM ANALYSIS TECHNIQUES  
A system and method for filtering an input signal with at least a first and a second octave portions is presented. A proportional bandwidth filter system includes a bandwidth reducing filter, a...
US20120158809 Compensation Filtering Device and Method Thereof  
According to one embodiment, a compensation filtering device includes an impulse response calculator, a coefficient calculator, and an adder. The impulse response calculator calculates an impulse...
US20060179095 Sample rate converter  
The invention relates to an asynchronous sample rate converter (ASRC) for the conversion of the sample rate of digital data such as audio data or video data. In the case of high over-sampling or...
US20100316174 DISCRETE TIME FILTER AND RECEIVER INCLUDING THE SAME  
A discrete time filter includes a plurality of sampling cells and a first dummy sampling cell. Each of the sampling cells performs a current mode sampling operation based on current input to an...
US20130332499 RECONFIGURABLE VARIABLE LENGTH FIR FILTERS FOR OPTIMIZING PERFORMANCE OF DIGITAL REPEATER  
The invention addresses the problem of parameter optimization for best filter performance and, in particular, the influence from the requirements on radio or fiber to radio repeaters utilizing...
US20090164541 Procedure for deriving a three-dimensional digital mask starting from a series of two-dimensional masks, plus a device for doing this  
A derivation procedure for a three-dimensional digital mask from a series of two-dimensional masks in a radiographic device containing a source (S) of X-rays, a means of recording and a volume of...
US20140143290 LOGARITHMIC GAIN ADJUSTER  
A circuit for multiplying a digital signal by a variable gain, controlled in dependence on a digital gain control value. The circuit comprises: a multiplier input for receiving the digital signal;...
US20080256156 Reliable and Efficient Computation of Modal Interval Arithmetic Operations  
A computer executable method of performing a modal interval operation, and system for performing same is provided. The method includes providing representations of first and second modal interval...
US20150256150 Optimally Factored Interpolated FIR Filter Design  
A method and system for the design and implementation of an optimally factored interpolated finite impulse response (IFIR) filter is presented. Techniques used to increase the implementation...
US20070243629 High Affinity Ligands for Influenza Virus and Methods for Their Production  
The present invention relates to long branched poly-N-acetyllactosamines and analogous spacer modified divalent sialosides binding to the large binding site of influenza hemagglutinin. The...
US20140280416 METHOD OF REMOVING INCOHERENT NOISE  
Noise is removed from a data set by performing an integral transform operation that converts instances of noise into identifiable artefacts in the transformed data set. A model of the artefacts is...
US20080155001 METHOD FOR EFFICIENT AND ZERO LATENCY FILTERING IN A LONG IMPULSE RESPONSE SYSTEM  
A method for long impulse response digital filtering of an input data stream, by use of a digital filtering system. Where the input data stream is divided into zero-input signals and zero-state...
US20130054663 Determining Coefficients For Digital Low Pass Filter Given Cutoff And Boost Values For Corresponding Analog Version  
Methods and apparatus are provided for determining coefficients for a digital low pass filter, given cutoff and boost values for a corresponding analog version of the digital low pass filter....
US20140297706 ORTHOGONAL TRANSFORM APPARATUS, ORTHOGONAL TRANSFORM METHOD, ORTHOGONAL TRANSFORM COMPUTER PROGRAM, AND AUDIO DECODING APPARATUS  
An orthogonal transform apparatus includes: an interchanging unit which interchanges MDCT coefficients contained in a first half of a prescribed interval with MDCT coefficients contained in a...
US20090089348 ADAPTIVE PRECISION ARITHMETIC UNIT FOR ERROR TOLERANT APPLICATIONS  
Two process-tolerant arithmetic circuit architectures are implemented to develop functional blocks for error-tolerant applications such as FIR filters and FFT blocks. The resulting blocks may...
US20060294170 Diversity receiver device  
A diversity receiver device includes N antennas to receive OFDM signals, N digital filters to filter the signals received by the N antennas in order to reduce delay spread, K (K≦N) beamforming...
US20050160124 Filter enabling decimation of digital signals by a rational factor  
The invention concerns a decimation filter for decimation of a digital signal by a rational decimation factor (R) including: a cascade of integrators (12), at least a comb branch (16A, 16B)...
US20130275483 FILTER SYSTEM  
A filter system with infinite impulse response is provided. The filter system has a transfer function that includes at least one pair of first order polynomial fractions. In one embodiment, the...
US20070294329 Filtering for VPU  
Included are embodiments for processing video data. At least one embodiment includes receive logic configured to receive the video data chosen from a plurality of formats and filter logic...
US20140164455 BI-PHASIC APPLICATIONS OF REAL & IMAGINARY SEPARATION, AND REINTEGRATION IN THE TIME DOMAIN  
A signal is decomposed into different components using a transform, with the components then being separately presented to a person in a manner that produces a different cognitive experience than...
US20090327378 Instruction-Based Parallel Median Filtering  
An instruction-based parallel median filtering processor and method sorts in parallel each combination of pairs of inputs into greater and lesser values; determines from that sorting the minimum,...
US20120246209 METHOD FOR CREATING A MARKOV PROCESS THAT GENERATES SEQUENCES  
The present invention relates to a method for creating a Markov process that generates sequences. Each sequence has a finite length L, comprises items from a set of a specific number n of items,...
US20100191788 Multiplier with Shifter  
A digital system has a memory configured to hold operands and a multiply-shift unit coupled to the memory and configured to receive a first operand and a second operand from the memory in...
US20100138466 Filter coefficient calculation method and filter coefficient calculation unit  
Provided is a filter coefficient calculation method that calculates filter functions, each having (2n+1) rows and (2n+1) columns (n is an integer), the method including calculating a first filter...
US20090327793 FINITE IMPULSE RESPONSE (FIR) FILTER WITHOUT DECIMATION  
Provided is a discrete signal finite impulse response (FIR) filter and a filter set in which a plurality of FIR filter units are connected in a cascade structure to remove down-sampling by...
US20050027766 Content identification system  
The content of a media program is recognized by analyzing its audio content to extract therefrom prescribed features, which are compared to a database of features associated with identified...
US20150038870 Multi-Channel Scalable EEG Acquisition System on a Chip with Integrated Patient Specific Seizure Classification and Recording Processor  
An integrated circuit chip and method for EEG monitoring. In one embodiment, the integrated circuit chip includes an Analog Front End cell in communication with an electrode and a Classification...
US20070050438 Programmable digital filter  
A method of filtering one or more input signals, includes receiving one or more input signals, each having an input signal value. The method includes storing at least two instructions in a program...
US20070253514 Signal processing method, receiver and equalizing method in receiver  
A signal processing method, receiver and equalizing method are provided. The receiver comprises an estimator estimating a channel coefficient matrix from a received signal, a first calculation...
US20070220077 Frequency float method and system for realizing a signal filter  
A method for realizing a digital filter in an electronic system. The method comprises first determining the specific number of coefficients to be calculated for a design filter and calculating the...
US20100142641 METHOD FOR PROCESSING A DIGITAL SIGNAL IN A DIGITAL DELTA-SIGMA MODULATOR, AND DIGITAL DELTA-SIGMA MODULATOR THEREFOR  
The digital delta-sigma modulator includes a signal input for receiving digital samples of N bits, and a digital filter connected to the signal input. The digital filter performs...
US20070112901 Configurable digital filter  
In one embodiment, a configurable device is provided for multiplying a plurality of digital words with a corresponding plurality of coefficients. The configurable digital filter includes: a...
US20080162616 Skip relation pattern for graph structures  
Systems and processes may apply a filter to data in a graph structure using an interface. The filter may be applied upon request from a business application. The interface may determine which...
US20080275580 Method for Weighted Overlap-Add  
A method for generating an output sequence of samples in response to a first and a second subsequence of samples, the method comprising—applying a weighted overlap-add procedure to the first and...
US20090083354 METHODS AND SYSTEMS FOR COMPRESSION, STORAGE, AND GENERATION OF DIGITAL FILTER COEFFICIENTS  
A method and system for compressing coefficients of a digital filter is provided. In one approach, the method comprises providing a digital filter having a plurality of consecutive filter...
US20060020650 Ripple elimination filter  
A method for removing a step response ripple from a digital signal is accomplished by passing the digital signal through a low pass filter and a decimation filter forming a resultant signal, and...
US20100100576 Desensitized Filters  
A method and system for the design and implementation of filters is presented in which the filter's transfer function can be provided with a significant insensitivity to the filter's tap...
US20070288540 Sorting points into neighborhoods (spin)  
A method for an unsupervised analysis of data according to a reordered distance matrix. According to preferred embodiments thereof, the present invention is useful for large scale multidimensional...
US20060218213 Optimization technique for FIR and IIR filter design  
A method for optimizing a digital filter that produces an output signal from samples of an input signal is configured with filter coefficients that are selected by a prescribed filter coefficient...
US20070083581 Multiplierless FIR digital filter and method of designing the same  
Provided are a multiplierless FIR digital filter and a method of designing the same, in which a filtering operation is performed by not multipliers needed as many as the number of tap depending on...
US20090192960 EFFICIENT WEIGHTED CONSISTENT SAMPLING  
A method and a processing device may be provided for performing efficient weighted consistent sampling. A group of sets having multiple elements with associated weights may be provided. A single...
US20090198753 Data processing method by passage between different sub-band domains  
The invention concerns data processing by passage between different subband domains, of a first number L to a second number M of subband components. After determining a third number K, least...
US20070156799 Multi-stage finite impulse response filter processing  
In one aspect, the invention is a method of emulating an n-stage finite impulse response (FIR) filter. The method includes connecting an output of a one-stage FIR filter to an input of the...
US20060288063 Method and system for high speed precoder design  
Methods and systems for processing a signal are disclosed herein and may comprise adding a plurality of offsets to a summed input signal to generate a plurality of offset summed input signals. The...
US20080263285 Processor extensions for accelerating spectral band replication  
Enhancements to hardware architectures (e.g., a RISC processor or a DSP processor) to accelerate spectral band replication (SBR) processing are described. In some embodiments, instruction...
US20070136410 Finite impulse response filter for a time-synchronized system  
A Finite Impulse Response (“FIR”) filter that uses an approximation of the time integral of the impulse response derived from data collected at non-uniform intervals and processes...

Matches 1 - 50 out of 209 1 2 3 4 5 >