Class / Patent application number | Description | Number of patent applications / Date published |
702180000 | Histogram distribution | 33 |
20080208529 | METHOD AND APPARATUS FOR INTEGRATED CHANNEL CHARACTERIZATION - A periodic broadband signal can be used to determine the S | 08-28-2008 |
20080270073 | Method for detecting the impacts of interfering effects on experimental data - The invention provides a method for identifying the impacts of interfering effects on experimental data. In particular, a method is described for identifying the impacts of unwanted auto-fluorescence, fluorescence quenching, and deterioration of a fluorescent sample under study on the collected experimental data. The data are analyzed whether or not said data fulfill certain criteria with respect to a threshold which is indicative for said interfering effect. | 10-30-2008 |
20080312874 | Efficient Histogram Generation - A processor generating a histogram of a set of data values receives a data value, and sets a corresponding register in each of two sets of registers based respectively on a decoded value represented by bits in a first and second set of positions in the received data value. The processor then simultaneously increments/updates each of multiple frequency counters (specifying frequency of occurrence of respective data values/ranges) by a value of a corresponding register in one of the two sets of registers if a value of a corresponding register in the other one of the two sets of registers is set. As a result, histogram generation is made efficient and fast. In an embodiment, 32 frequency counters are updated in 16 operations. | 12-18-2008 |
20090138238 | Sequential fixed-point quantile estimation - Disclosed are method and apparatus for calculating a quantile estimate of a data stream. A quantile estimate is calculated iteratively by calculating a first quantile estimate and then calculating a second quantile estimate by adding a first update increment to the first estimate. A first observation sample is acquired. A first quantile estimate and a first standard deviation estimate are set to the sample quantile and the sample standard deviation of the first observation sample. A second observation sample is then acquired. A second standard deviation estimate is calculated based at least in part on the first standard deviation estimate and the sample standard deviation of the second observation sample. A first update increment is calculated based at least in part on the second observation sample and based at least in part on the product of the second standard deviation estimate times a log odds ratio function. | 05-28-2009 |
20090216488 | SIGNAL MEASUREMENT APPARATUS AND TEST APPARATUS - A signal measuring apparatus that measures a first input signal and a second input signal is provided, including a first measuring section that measures the first input signal at a plurality of strobe timings arranged in each cycle of a measurement cycle, a second measuring section that measures the second input signal at a plurality of strobe timings arranged in each cycle of a measurement cycle, a phase difference calculating section that calculates phase differences between the first input signal and the second input signal in each measurement cycle based on measurement results from the first measuring section and the second measuring section, and a distribution generating section that generates distribution information of the phase differences calculated in each measurement cycle by the phase difference calculating section. | 08-27-2009 |
20090299694 | FLOATING INTELLIGENT PERIMETER SENSOR SYSTEM - A system, method, and floating intelligent perimeter sensor, provide protection for waterways and critical infrastructures. The system and method utilize one or more floating intelligent perimeter sensors to detect, and in some cases identify, hazardous materials associated with vessels in the waterways. The hazardous materials detected, and optionally identified, can include radiological materials, fissile materials, explosives, chemicals and biological materials (CBRNE). A set of radiation data associated with a radiation source in a vessel is received from the one or more floating intelligent perimeter sensors. At least one histogram is generated based on the set of radiation data. The at least one histogram is compared to multiple spectral images associated with known materials. The at least one histogram is determined to substantially match at least one of the multiple spectral images. A determination is made whether a material associated with the radiation source is a hazardous material. | 12-03-2009 |
20090312983 | USING METRIC TO EVALUATE PERFORMANCE IMPACT - Analysis may be made of the amount that a load on a machine impacts the machine's performance. Performance counters on the machine record raw statistical data, such as a given resource's current utilization. The values of these counters may be captured. A n-bin histogram may be created that shows how many of the captured performance counter values occur within various ranges, such as 0-10% utilization, 10-20%, etc. A weight may be assigned to each bin. A weighted sum of the bins may be calculated by multiplying the number of occurrences in each bin by the bin's weight, and adding the products together. The weights may be chosen to reflect the relative amounts that particular performance counter values impact the overall performance of a machine. Thus, a metric that represents performance impact may be calculated based on the weighted sum. | 12-17-2009 |
20090326867 | SIGNAL PROCESSING SYSTEMS AND METHODS FOR DETERMINING SLOPES OF ELECTRONIC SIGNALS - The present disclosure relates to signal processing and, more particularly, relates to determining the slope of a signal. In embodiments, first slopes between a first point in the signal and other points in the signal may be determined. Second slopes between a second point in the signal and other points in the signal may also be determined. The first and second slopes may be used to generate a histogram, and a desired slope may be selected from the preferred value of the histogram. In an embodiment, a two-dimensional Lissajous figure may be selected from a three-dimensional Lissajous figure and a histogram of the slopes within the selected Lissajous figure may be created to determine the desired slope. The desired slope may have clinical relevance (e.g., it may be used to determine a patient's blood oxygen saturation level). The three-dimensional Lissajous figure may be derived at least in part from surface signals related to two transform-surfaces. Each transform-surface may be the result of performing a continuous wavelet transform on a signal. A confidence measure may be generated with respect to determining the desired slope. | 12-31-2009 |
20100030518 | METHOD AND SYSTEM FOR DETERMINING HISTOGRAM DENSITY ESTIMATORS - A method and system for determining histogram density estimators for data samples. A supremum and/or infimum of a likelihood function of histogram densities for each histogram shape in a generated set of all possible histogram shapes is determined. The supremum and/or infimum is a statistical estimate that maximizes and/or minimizes a likelihood function among a set of histogram density functions having a same histogram shape | 02-04-2010 |
20100082291 | Monitoring All-Optical Network Performance - A method monitors a performance of an all-optical network by acquiring data from the network in a form of histograms. A dimensionality of the histograms is reduced by fitting Gaussian mixture models to the histograms to produce corresponding 4-dimensional quadruples (μ | 04-01-2010 |
20100088066 | Shape Parameter For Hematology Instruments - Systems, methods, and computer program products are provided for describing characteristics of a data sample. This description is used to represent the shape of a histogram of the data sample. | 04-08-2010 |
20110218767 | Method for Detecting The Impacts of Interfering Effects on Experimental Data - The invention provides a method for identifying the impacts of interfering effects on experimental data. In particular, a method is described for identifying the impacts of unwanted auto-fluorescence, fluorescence quenching, and deterioration of a fluorescent sample under study on the collected experimental data. The data are analyzed whether or not said data fulfill certain criteria with respect to a threshold which is indicative for said interfering effect. | 09-08-2011 |
20110231153 | ADC Testing - A histogram-based method for testing an electronic converter device, such as an analogue to digital converter, includes steps of defining at least one histogram hyperbin arranged to store hits for at least one subrange of output codes; applying an input test stimulus to an input of the device to test a subrange of output codes matched to the hyperbin; and accumulating the histogram. At least two hyperbins may be provided, each bin being arranged to store hits for at least one subrange of output codes, and the input test stimulus is applied to an input of the device to test a subrange of output codes matched to one of the hyperbins. Both hyperbins may be open while the histogram is being accumulated for any subrange of output codes. The method may further involve varying the input stimulus to test another subrange. | 09-22-2011 |
20120016633 | SYSTEM AND METHOD FOR AUTOMATIC DETECTION OF ANOMALOUS RECURRENT BEHAVIOR - A non-transitory computer readable storage medium includes executable instructions to observe the distribution of the frequency of a recurrent behavior to form a histogram. A rehistogram of the histogram is computed to model the distribution of the frequency of the frequency of the recurrent behavior. The rehistogram provides an individual frequency relative to the total frequency of the recurrent behavior. The individual frequency is compared to a predicted frequency to form a difference frequency. An anomaly event is identified when the difference frequency exceeds an anomaly threshold. | 01-19-2012 |
20120166139 | Device and Method for Determining a Sample Rate Difference - In embodiments, a device is illustrated for determining a sample rate difference between a first information signal and a second information signal including an offset determiner for determining for each of a plurality of segments of the first information signal, associated offset values which temporally align the plurality of segments with respect to the second information signal and a calculator for calculating the sample rate difference on the basis of the offset values. | 06-28-2012 |
20120166140 | METHOD AND SYSTEM FOR DETERMINING BLENDED HISTOGRAM SHAPE IDENTIFIERS - A method and system for determining blended histogram shape identifiers. A blended set of possible histogram shapes is created by selecting generated histogram shapes from a first generated set of all possible histogram shapes generated with a first method that include highest order rankings from a first pre-determined ranking order and generated histogram shapes from a second set of all possible histogram shapes generated with a second method that include highest rankings from a second pre-determined ranking order. A graphical histogram is displayed using the third blended set of all possible histogram shapes, thereby creating the graphical histogram with a new set of all possible histogram shapes based on an aggregate rakings order of histogram shapes generated with the first and second methods. | 06-28-2012 |
20120239346 | Space-and Time-Efficient Management and Summarization of Data Using Intermediate Summary Structure and Hierarchical Multidimensional Histogram - A method maintains a multidimensional histogram for a data array having a data array size, the method having a processing time substantially less than proportional to the data array size. The method involves receiving a data update that indicates a change to data in the data array; with the data update, updating an intermediate data structure having a size substantially smaller than the data array size, so that the updated intermediate data structure remains an at-least-approximate representation of the data in the data array as changed by the data update; collecting a number of substantially-largest-coefficient linear combinations of then-current data, the number being small compared with the data array size; and forming the multidimensional histogram as a histogram to an intermediate data array re synthesized from the collected linear combinations. | 09-20-2012 |
20120245888 | METHODS AND SYSTEMS FOR IMAGE PROCESSING OF MICROFLUIDIC DEVICES - A method of processing data associated with fluorescent emissions from a microfluidic device. The method includes performing an auto-focus process associated with a first image of the microfluidic device and performing an auto-exposure process associated with the first image of the microfluidic device. The method also includes capturing a plurality of images of the microfluidic device. The plurality of images are associated with a plurality of thermal cycles. The method further includes performing image analysis of the plurality of captured images to determine a series of optical intensities and performing data analysis of the series of optical intensities to provide a series of change in threshold values. | 09-27-2012 |
20120283989 | MONITORING DEVICE AND A SERVER - According to one embodiment, each monitoring device acquires monitoring variables from an observation target, generates an individual multidimensional distribution of the monitoring variables, and transmits the individual multidimensional distribution to a server. The server generates sampling data using the individual multidimensional distribution received from each monitoring device, generates an overall multidimensional distribution of the monitoring variables using the sampling data, determines a statistical model of each index using the overall multidimensional distribution, generates an overall index multidimensional distribution of indexes using the statistical model and the overall multidimensional distribution, and transmits the overall index multidimensional distribution and statistical models to each monitoring device. The monitoring device generates sampling data using the individual multidimensional distribution, and calculates a positioning of the observation target using the sampling data, the overall index multidimensional distribution and the statistical models. | 11-08-2012 |
20130191071 | SYSTEM AND METHOD FOR AUTOMATIC MODAL PARAMETER EXTRACTION IN STRUCTURAL DYNAMICS ANALYSIS - A system and method for automatic modal parameter extraction in structural dynamics analysis are disclosed. In one embodiment, a stabilization diagram of a structure is obtained using a frequency domain parameter extraction technique. The stabilization diagram is a graph of measured transfer functions which include stable poles of the structure for each modal order versus frequencies which include modal frequencies of each stable pole. Further, a user is allowed to input user modal parameters, such as a maximum damping ratio, maximum number of stable poles to be selected from the stabilization diagram, and minimum separation in frequency between consecutive stable poles. Furthermore, stable poles having a damping ratio less than or equal to the maximum damping ratio are obtained. A histogram having bins, with a width equal to the minimum separation in frequency, is obtained. Also, the modal parameter of the structure is automatically extracted using the histogram. | 07-25-2013 |
20130197861 | Method for spectrometric analysis and related device - A method for analyzing spectrometric measurements, said measurements C={c | 08-01-2013 |
20130204578 | Method for Obtaining Information about a Radiation Source or a Material Interacting with a Radiation Source and a Measurement Setup for Performing the Method - A method for obtaining information about an unknown neutron source or an unknown material interacting with a known neutron source comprises the steps of: (a) providing a radiation detector capable of delivering a neutron energy information allowing the production of response histogram(s) as a function of neutron energy, (b) measuring with said radiation detector neutrons being emitted from said unknown neutron source or from said unknown material, (c) deriving from said measured neutrons a neutron energy spectrum, especially in form of a histogram, (d) normalizing said energy spectrum or histogram relative to a parameter or set of parameters derived from the measurement of a different variable, (e) comparing said normalized energy spectrum or histogram with known energy spectra or histograms, and (f) drawing conclusions on the basis of said comparison about the nature of the unknown neutron source or unknown material. | 08-08-2013 |
20130268240 | ACTIVITY CLASSIFICATION - The present invention relates to a method and device for classifying an activity of an object, the method comprising: receiving a sound signal from a sensor, determining type of sound based on said sound signal, and determining said activity based on said type of sound. | 10-10-2013 |
20130311136 | Rule-Based Sample Verification and Chemical Monitoring Methodology - A rule-based verification testing methodology automates the process and allows for field deployment of verification testing instrumentation. A rule-based chemical monitoring methodology automates the verification of a chemical being monitored, as well as the instrument and a sample path, increasing the confidence in the verification process. In both methods, at least Raman spectra of a sample are captured, and compared to a model that is based on reference data. Predetermined, flexible, parameterized rules control the comparison. Additional physical properties, such as color and size, may also be compared (also controlled by predetermined rules). | 11-21-2013 |
20130317779 | SYSTEM AND METHOD OF USING SPATIALLY INDEPENDENT SUBSETS OF DATA TO DETERMINE THE UNCERTAINTY OF SOFT-DATA DEBIASING OF PROPERTY DISTRIBUTIONS FOR SPATIALLY CORRELATED RESERVOIR DATA - A system and method, implemented on a computer, for determining the uncertainty of soft-data debiasing of property distributions of spatially correlated reservoir data are provided. The method includes inputting, into the computer, soft-data at a plurality of spatial locations on a grid and hard-data at a plurality of location along well paths that intersect the grid. Each location of the hard-data is collocated with soft-data values of one or more types. The method further includes calculating, using the computer, a variogram of the hard-data and creating subsets of independent hard-data using the variogram and the soft-data values that are collocated with each of the hard-data location; applying, using the computer, a bootstrap process on each of the plurality of subsets of independent hard-data to obtain a plurality of bootstrap data sets from each of the plurality of subsets of independent hard-data; calculating soft-data debiased histograms for each of the obtained plurality of bootstrap data sets using a binary decision tree and the collocated soft-data; and characterizing the uncertainty of the soft-data debiased histograms. | 11-28-2013 |
20140058704 | METHOD AND DEVICES FOR DETERMINING NOISE VARIANCE FOR GYROSCOPE - Methods and devices for determining a noise variance of an axis of a gyroscope are described. In one aspect, the method includes: representing a plurality of gyroscope readings for the axis in a histogram, the histogram including a plurality of bins associated with respective ranges; determining a bias for the axis of the gyroscope by identifying a concentration of the gyroscope readings within the histogram; and determining a noise variance for the axis of the gyroscope based on the histogram and based on the identified concentration of gyroscope readings. | 02-27-2014 |
20140100817 | SYSTEMS AND METHODS FOR PREDICTING REGIONAL TURFGRASS PERFORMANCE - Grass seed performance may be predicted by receiving grass seed selections for individual grass seed varieties and target geographic regions for growing the grass seed selection. A common set of grass attributes is identified from historical grass attribute values associated with the selected target regions. The historical grass attribute values in the first common set of grass attributes are retrieved and are displayed in a graphical format for the at least two individual grass seed varieties in the at least two selected target regions. A weighted average may be calculated for the historical grass attribute values in the common set and may provide a prediction of performance of the individual grass seed varieties across the selected geographic regions or in regions proximate the selected geographic regions. | 04-10-2014 |
20140207414 | REAL-TIME SPECTRUM ANALYZER INCLUDING FREQUENCY MASK GATE AND METHOD OF OPERATING THE SAME - A real-time spectrum analyzer for measuring time domain data sampled from an input signal includes a processing unit and a density histogram memory unit. The processing unit includes an FFT engine, a frequency mask detector and a frequency mask gate. The FFT engine performs FFTs on the sampled time domain data to provide FFT spectra, each FFT spectrum including multiple FFT points. The frequency mask detector determines whether each FFT point in each spectrum meets a trigger condition, and generates gate control signals corresponding to the FFT spectra based on the determinations. The frequency mask gate receives the FFT spectra and the gate control signals, and outputs only select FFT spectra that contain at least one FFT point that meets the trigger condition in response to the corresponding gate control signal. The density histogram memory unit stores the select FFT spectra for generating in a density histogram. | 07-24-2014 |
20140303932 | DETECTOR APPARATUS AND METHOD - A method is described for the combined processing of spectral data from a plurality of radiation detectors ( | 10-09-2014 |
20140358477 | MEASURING DEVICE AND METHOD FOR AUTOMATIC ADJUSTMENT OF CONTRAST IN THE SCREEN DISPLAY - A measuring device is used to increase a contrast of a plurality of measured values displayed in a spectrogram or spectral histogram and contains a data-acquisition unit, a computer unit and a statistic unit. The data-acquisition unit is embodied to detect a plurality of measured values to be displayed. The statistic unit is embodied to calculate a distribution which contains the frequency of occurrence for every level value of the measured values to be displayed. The computer unit is embodied to specify a dynamic range, over which the contrast extends. In this context, a specified proportion of the level values which image the noise are not used for the specification of the dynamic range. | 12-04-2014 |
20150112636 | SYSTEMS AND METHODS FOR FORECASTING USING CARTESIAN GENETIC PROGRAMMING - A computer-implemented method is disclosed for forecasting characteristics of a target item. The method may include collecting a plurality of forecasting equations, decomposing each of the plurality of forecasting equations into one or more building blocks, and creating a population table consisting of a plurality of candidate equations each including one or more of the building blocks. The method may also include evolving the candidate equations in the population table by implementing a genetic algorithm based on historical characteristic data of the target item over a period of time until a convergence criterion is satisfied. The method may further include selecting an equation from the plurality of candidate equations in the population table that best fits the historical characteristic data over the period of time, and forecasting the characteristics of the target item by using the selected equation. | 04-23-2015 |
20150330888 | FLOW CYTOMETRY DATA SEGMENTATION RESULT EVALUATION SYSTEMS AND METHODS - Systems and methods evaluate the results produced by histogram segmenting techniques. Exemplary techniques assess boundary region decision or placement techniques according to histogram based metrics, population based metrics, or combinations or transformations thereof. | 11-19-2015 |
20150347351 | Determining Location System Signal Quality - Among other things, we describe a method that includes, on an electronic device, determining that a current quality metric of signals received by a location system of the electronic device does not meet a threshold quality metric, and based on the determination, selecting a recommendation for changing a position of the device in a manner that would alter the current quality metric. This aspect can also include corresponding systems, apparatus, and computer program products stored on a storage device. | 12-03-2015 |