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7702709 System and method for optimizing approximation functions  
Systems and methods that optimize approximation functions are provided. In one example, a method that approximates a particular expression over a sample space of input values is provided. The...
7675524 Image processing using enclosed block convolution  
A system and method for performing convolutions on image data using pre-computed acceleration data structures is disclosed. The method may include calculating intermediate convolution values for...
7647208 Signal processing method and apparatus  
A method for generating a series of output signals represented by a series of measurement signals which is particularly useful in the compensation for jatter, missing spurious pulses or plates...
7640285 Multipurpose arithmetic functional unit  
Multipurpose arithmetic functional units can perform planar attribute interpolation and unary function approximation operations. In one embodiment, planar interpolation operations for coordinates...
7627031 Adaptive signal latency control for communications systems signals  
An apparatus and method for adaptively introducing a compensating signal latency related to a signal latency of a data symbol decision circuit. Adaptive timing control circuitry, including an...
7599978 Digital signal decimation by subspace projection  
A digital signal, x(n) (where n is an integer), is decimated by determining a signal vector, y(k), of size M by partitioning samples of the digital signal, x(n) according to sampling phases of the...
7589729 Image synthesis by rank-1 lattices  
Systems and techniques are described in which rank-1 lattices are used in computerized image processing, in particular in the context of image synthesis. These include systems and techniques for...
7558811 Electronic control apparatus and memory apparatus for electronic control apparatus  
An electronic control apparatus has a memory which stores a map consisting of a set of map points and corresponding set of map values, with the map values representing respective physical quantity...
7554465 Sampling rate conversion system  
A sampling rate conversion system reduces the signal processing burdens carried by cellular phones, headsets, and other electronic devices. Because the system consumes fewer resources to convert...
7548834 Method for processing sensor data  
A method for processing sensor data which are transmitted by at least one asynchronous sensor at a transfer rate, the sensor data being read at a predefined sampling rate, a mean value being...
7532053 Phase interpolation apparatus, systems, and methods  
A phase interpolator circuit may comprise a multiplexer circuit (MUX) to receive a plurality of clock signals at MUX inputs and to output a first clock signal and a second clock signal that are...
7528745 Digital domain sampling rate converter  
Techniques are described for sampling rate conversion in the digital domain by up-sampling and down-sampling a digital signal according to a selected intermediate sampling frequency. A prototype...
7526140 Model-based localization and measurement of miniature surface mount components  
A system and method for object inspection includes an object modeler; an iterative object segmentor in signal communication with the object modeler for receiving an input image and model...
7523019 Method for processing sensor data  
A method for processing sensor data which are transmitted by at least one asynchronous sensor at a transfer rate into a buffer memory, the sensor data being read from the buffer memory at a...
7414550 Methods and systems for sample rate conversion and sample clock synchronization  
The architecture for a combined universal sample rate converter and a sample clock synchronizer is presented. The universal sample rate converter can be applied, for example, to audio samples...
7412477 Interpolation of signals from a delay line  
Method and apparatus for interpolation of signals from a delay line is described. An input signal is obtained from which progressively delayed input signals are generated from the input signal....
7411531 Methods and apparatus for asynchronous sampling of a received signal at a downsampled rate  
Methods and apparatus are provided for decimated interpolated clock/data recovery (ICDR) to perform asynchronous sampling of a received signal. A received signal is converted to a plurality of...
7403963 Re-sampling with an arbitrary scaling ratio  
A simple to implement sample rate conversion system consisting of an input/output data flow controller, interpolation coefficient generation, and output data flow control to generate the converted...
7391933 Method and apparatus for image interpolation based on adaptive polyphase filters  
An interpolation system interpolates image positions in an original image to produce an interpolated output image, wherein the original image is represented by digital input pixel data. A first...
7378996 Sampling rate conversion calculating apparatus  
There provided is a low-cost, high performance sampling rate conversion calculating apparatus which achieves both a low delay characteristic required for conversational voice data and high quality...
7349936 Interpolation method, apparatus for carrying out the method, and control program for implementing the method  
There is provided an interpolation method for the Volume-of-Fluid (VOF) applied to a two-phase incompressible fluid, in particular, which makes it possible to cause time evolution of a...
7318034 Speech signal interpolation device, speech signal interpolation method, and program  
A voice signal interpolation apparatus is provided which can restore original human voices from human voices in a compressed state while maintaining a high sound quality. When a voice signal...
7262716 Asynchronous sample rate converter and method  
An asynchronous sample rate converter interpolates and filters a digital audio input signal to produce a filtered, up-sampled first signal. A FIFO memory receives the first signal and stores...
7224294 Compressing device and method, decompressing device and method, compressing/decompressing system, program, record medium  
A compressing device comprises plural stages of delay circuits (1−1 to 4−1) and multiplying/adding circuits (5−1 to 10−1) that performs weighted addition of output data from the delay circuits...
7219114 Fast approximation to the spherical linear interpolation function  
A method for an accurate approximation to Slerp function that is much faster to compute on current processors. Specifically, the present invention provides a method for obtaining an interpolated...
7203716 Method and apparatus for fast interpolation of multi-dimensional functions with non-rectangular data sets  
Interpolation techniques are described for use with data that may not be uniform and may be characterized as scattered. Such data may be obtained in instances where data acquisition may not be...
7185036 Look up table based upsampling and digital filtering  
A system and method are disclosed for processing a signal that includes receiving encoded data including a plurality of input symbols; generating an input symbol set from the plurality of input...
7146393 Scaling method by using cubic-like triple point slop control (CTPSC)  
A scaling method is to scale source data to destination data, wherein three reference points of the source data denoted as −1, 0, and 1. Function f(x)=ax2+bx+c are used to describe the destination...
7143127 Scaling method by using symmetrical middle-point slope control (SMSC)  
A method is for scaling data from a source data to a destination data, wherein a function f(x) is determined to describe the destination data, in which x is a deviation from a current reference...
7130491 System and method for interpolating a color image  
A system and method interpolates a full color image from an array of single color sensors. Each sensor measures a single color, e.g., red, green or blue. The measured color values are stored as an...
7124159 Parallel decimation circuits  
A decimation system and decimation circuit for decimating waveform data on an oscilloscope. The decimation circuit is implemented using sixteen parallel 16-to-1 multiplexers connected in parallel...
7110620 Apparatus for processing digital image and method therefor  
An apparatus which processes a digital image and a method therefor which can reduce an error when calculating an output value obtained by interpolating pixel values of the input digital image. The...
7065542 Calculating apparatus and its method  
A calculating apparatus comprises a memory and a calculating section. The memory is stored with table data for referencing a value of a variable x by using a value of a variable y and a value of a...
7039494 Controller for machine  
A controller that eliminates an error caused by acceleration/deceleration control, and controls the velocity of drive axes which is not represented by a rectangular coordinate system such that...
7023585 Multi-dimensional edge interpolation  
Methods and apparatus, including computer program products, implementing and using techniques for using a color table defining a mapping from a source color space representing colors in source...
7009734 Method and apparatus for forming color transform lookup table, and image processing method  
Disclosed are a method and apparatus for forming a color transform lookup table which helps output a smooth image having no pseudo contour and excellent in granularity. On the basis of a...
7002997 Interpolation filter structure  
An interpolation filter having a first gain multiplexer, a second gain multiplexer, an adder and a multiplexer. The interpolation filter uses neighboring input discrete-time signals to generate...
6983298 Method and apparatus for linear interpolation using gradient tables  
This invention is a method and apparatus for interpolation which enables simpler and cost efficient implementation in hardware or software. A function table stores values of the function at...
6978288 Coefficient update unit  
A system for updating a control coefficient to a target value during a prescribed number of periodic incremental update increments. The system divides the desired change in the value of the...
6973468 Data interpolating device and method, sampling function generating device, data interpolating program, and recorded medium  
A data interpolating device comprises plural stages of delay circuits (1−1, 2−1, 3−1) for delaying discrete data sequentially inputted and multiplication/addition circuits (4−1 to 16−1) that...
6934647 Efficient sampling of digital waveforms for eye diagram analysis  
Method and apparatus for determining at least one characteristic of a digital data signal. The method includes identifying at least one region of a waveform such as an Eye Diagram that contains...
6915318 Interpolator  
A signal interpolator comprises a fractional interpolator and a numeric controlled oscillator. The numeric controlled oscillator may generate a control signal for controlling the fractional...
6879265 Frequency interpolating device for interpolating frequency component of signal and frequency interpolating method  
A frequency interpolating device for restoring an audio signal compressed at high ratio while keeping the high sound quality. An input digital signal to be subjected to frequency interpolation is...
6865441 Parallel trajectory generation, interpolation, and control in a motion control application  
A system and method for performing trajectory generation, interpolation, and control for a motion control application, where the trajectory generation, interpolation, and control are performed in...
6858790 Digital sampling instrument employing cache memory  
A digital sampling instrument for multi-channel interpolatative playback of digital audio data stored in a waveform memory provides improved interpolation of musical sounds by use of a cache memory.
6856853 Simulation device  
A simulation device is provided with a speed ratio determining portion and a speed determining portion for calculating the maximum feeding speed of an operative part from an interference detecting...
6820074 Null-line based radial interpolation of gridded data  
A method and software are disclosed for processing data values of a data array at equally spaced locations in two dimensions where the desired data values are nulls in the data array. The method...
6772181 Apparatus and method for trigonometric interpolation  
A trigonometric interpolator interpolates between two data samples at an offset μ, where the two data samples are part of a set of N data samples. The trigonometric interpolator fits a...
6742008 Accurate and cost effective linear interpolators  
Linear interpolators that are both accurate and cost effective to implement in hardware are presented. These interpolators use a multi-bit value approach that permits adders to be used instead of...
6735608 Data interpolation method  
A data interpolating method capable of reducing an operation volume without the occurrence of a truncation error. Each of four step function generators generates a preset step function....
Matches 51 - 100 out of 342 < 1 2 3 4 5 6 7 >