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| Method and device for decoding low density parity check code for forward error correction in wireless communication system|
A method for decoding a low density parity check (ldpc) code for forward error correction by a receiver side in a wireless communication system according to an embodiment of the present invention comprises the steps of: acquiring a first reconstructed packet vector by decoding a reception packet vector encoded by an ldpc code generation matrix; determining a candidate for an error packet to be excluded form the reception packet vector when an error is detected in the first reconstructed packet vector; and acquiring a second reconstructed packet vector from the reception packet vector from which the determined candidate for the error packet has been excluded, wherein the step of acquiring the second reconstructed packet vector includes acquiring the second reconstructed packet vector through gaussian elimination for the ldpc code generation matrix from which a row matrix corresponding to the candidate for the error packet has been excluded.. .
Lg Electronics Inc.
| Crowd and traffic monitoring apparatus and method|
An apparatus and method for monitoring mixed pedestrian and motor vehicle traffic. The apparatus include an optical camera, an infrared camera, and a wireless-device counter, each obtaining complementary information regarding the crowd density and flow of the traffic.
Umm Al-qura University
|Methods and speckle suppression in laser dark-field systems|
Disclosed are apparatus and methods for detecting defects on a semiconductor sample. The system includes an illumination module for directing a nonzero-order gaussian illumination beam towards a plurality of locations on a sample and a collection module for detecting light scattered from the sample in response to the nonzero-order gaussian illumination beams and generating a plurality of output images or signals for each location on the sample.
|Laser bore sighting|
Techniques are disclosed for laser-based bore sighting, enabling wind sensing to be performed on captured images of the laser spot. Techniques can include image averaging, background subtraction, and filtering to help ensure that the gaussian laser spot is detected in the image.
|Gyrotron whispering gallery mode coupler with phase correcting mirrors and launcher for direct coupling of rf into he11 waveguide|
A cylindrical waveguide with a mode converter transforms a whispering gallery mode from a gyrotron cylindrical waveguide with a helical cut launch edge to a quasi-gaussian beam suitable for conveyance through a corrugated waveguide. This quasi-gaussian beam is radiated away from the waveguide using a spiral cut launch edge, which is in close proximity to a first mode converting reflector.
Calabazas Creek Research, Inc.
|Method for infrared imaging detection and positioning of underground tubular facility in plane terrain|
The present invention provides a method for infrared imaging detection and positioning of an underground tubular facility in a plane terrain. Demodulation processing is performed on an original infrared image formed after stratum modulation is generated on the underground tubular facility according to an energy diffusion gaussian model of the underground tubular facility, so as to obtain a target image of the underground tubular facility.
Huazhong University Of Science And Technology
|Magnetic medical apparatus, kits, and methods|
Medical devices with surfaces on which viable biologic cells are magnetically attracted and retained are disclosed along with methods of magnetic coating. The medical devices can be located in a carrier liquid containing high concentrations of magnetic cells before or after implantation.
Mayo Foundation For Medical Education And Research
|Patch antenna array for transmission of hermite-gaussian and laguerre gaussian beams|
A multi-level antenna array includes a plurality of patch antennas. A plurality of layers are separated from each other by a distance.
Nxgen Partners Ip, Llc
|Systems and methods for particle pulse modulation|
Methods and apparatus for modulating a particle pulse include a succession of hermite-gaussian optical modes that effectively construct a three-dimensional optical trap in the particle pulse's rest frame. Optical incidence angles between the propagation of the particle pulse and the optical pulse are tuned for improved compression.
|Method for in-situ magnetization or degaussing of generator rotor|
A method for in-situ magnetization of a generator rotor is provided. The generator has a stator and the rotor is located inside the stator.
General Electric Company
Sub-diffraction limit image resolution and other imaging techniques
The present invention generally relates to sub-diffraction limit image resolution and other imaging techniques. In one aspect, the invention is directed to determining and/or imaging light from two or more entities separated by a distance less than the diffraction limit of the incident light.
President And Fellows Of Harvard College
Compression algorithms for vehicle-bus-messaging of preview data
Disclosures teach providing data over a vehicle bus, data providing values for a road attribute indexed to points anticipated to be traversed by a vehicle. To compress the data, a server may fit a regression function to the data with coefficients applied to kernels in the function.
Ford Global Technologies, Llc
Method and device for generating non-gaussian interference channel in wireless communication system
The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as long term evolution (lte). Provided is an operation method of a base station in a wireless communication system.
Samsung Electronics Co., Ltd
Method and estimating the current signal-to-noise ratio
A method of estimating current snr in a sequence of symbols, including receiving a signal representing an additive mixture y(t)=s(t)+n(t) of a sequence of phase-modulated symbols with fixed length and phase modulation s(t) and including white gaussian noise (awgn) n(t); separating quadrature components iy and qy of the received signal in a quadrature mixer; determining a mean-square iy2 of iy; determining a mean-square qy2 of qy; determining a square/squared value of mean absolute value (modulus) . .
Method and system for calculating laser beam spot size
A method and system for calculating laser beam spot size, comprising: collecting a spot image of a laser beam and a corresponding background noise image along an optical axis direction; conducting pretreatment using a background subtraction method and a threshold method according to the spot image and the background noise image collected to obtain a pretreated spot image; calculating the central position of a laser spot of the pretreated spot image; and storing the pixel gray values of the spot image at the central position of the laser spot on a horizontal direction and a vertical direction, then conducting gaussian curve fitting, calculating variances of gaussian fitted curves on the horizontal direction and the vertical direction, and obtaining the spot radiuses of the spot image on the horizontal direction and the vertical direction according to the variances calculated.. .
Single axis stereoscopic imaging apparatus with dual sampling lenses
A stereoscopic imager comprises a lens having a front lens assembly, a rear lens assembly, and two sampling lenses. The sampling lenses are disposed on opposite sides of the optical axis of the lens, between the front and rear lens assemblies, and proximate an aperture plane of the lens.
Polycrystalline diamond compacts
Embodiments of the invention relate to polycrystalline diamond (“pcd”) exhibiting enhanced diamond-to-diamond bonding. In an embodiment, pcd includes a plurality of diamond grains defining a plurality of interstitial regions.
Us Synthetic Corporation
Gaussian mixture model accelerator with direct memory access engines corresponding to individual data streams
Systems, apparatus and methods are described including operations for memory access via direct memory access engines, of a gaussian mixture model accelerator, corresponding to individual data streams.. .
Method of extracting capacitances of arbitrarily oriented 3d interconnects
An apparatus for extracting capacitances of arbitrarily oriented three-dimensional interconnects includes a processor configured to recursively execute a floating random walk algorithm over a plurality of points for a plurality of conductors, to permit determination of a potential at a plurality of points on a gaussian surface around each conductor and determination of a coupling capacitance between each conductor. Each iteration includes selecting an initial domain centered about an initial boundary point on a gaussian surface of an initial conductor, determining a new boundary point on the initial domain from which a successive domain centered about the new boundary point may be selected, and determining a corresponding successive boundary point on the successive domain, each iteration continuing until the new boundary point or the corresponding successive boundary point terminates on a boundary having a known potential.
Multi-oscillator, continuous cody-lorentz model of optical dispersion
Methods and systems for monitoring band structure characteristics and predicting electrical characteristics of a sample early in a semiconductor manufacturing process flow are presented herein. High throughput spectrometers generate spectral response data from semiconductor wafers.
Polymer filtering material with a high accumulation capacity
A filtering multilayer is described, having at least two layers, one input layer and one output layer, made of non-woven fabric, wherein each fiber of said non-woven fabric consists of a polymer matrix of thermoplastic material, wherein the average diameter of the fibers that form the input layer is larger than the average diameter of the fibers that form the output layer, characterized in that the diameters of the fibers that form the input layer and the output layer have a gaussian distribution, wherein the diameter of the single fibers that form said input layer varies around the average with a normal distribution of width at least equal to 10% of the average value and the diameter of the single fibers that form said output layer varies around the average with a normal distribution of width at least equal to 14% of the average value. In a preferred embodiment, said polymer matrix contains a carbon-based filler or additive, preferably in the form of powder..
Mobile terminal, computer-readable recording medium, and activity recognition device
A mobile terminal measures sensor values in a predetermined period. And the mobile terminal detects whether a missing sensor value exists in the predetermined period.
Infrared imaging detection and positioning underground building in planar land surface environment
An infrared imaging detection and positioning method for an underground building in a planar land surface environment comprises: obtaining an original infrared image g0 formed after stratum modulation is performed on an underground building, and determining a local infrared image g of a general position of the underground building in the original infrared image g0; setting an iteration termination condition, and setting an initial value h0 of a gaussian thermal diffusion function; using the local infrared image g as an initial target image f0, and performing iteration solution of a thermal expansion function hn and a target image fn by using a maximum likelihood estimation algorithm according to the initial value h0 of the gaussian thermal diffusion function; and determining whether the iteration termination condition is met, if the iteration termination condition is met, using the target image fn obtained by means of iteration solution this time as a final target image f; and if the iteration termination condition is not met, continuing to perform iteration calculation. In the method, by performing demodulation processing on the infrared image formed after stratum modulation is performed on the underground building, the display of the infrared image of the original underground building is clearer, and the real structure of the underground building can be inverted..
Huazhong University Of Science And Technology
Design methodology and signaling with capacity optimized constellations
Communication systems are described that use geometrically shaped constellations that have increased capacity compared to conventional constellations operating within a similar snr band. In several embodiments, the geometrically shaped is optimized based upon a capacity measure such as parallel decoding capacity or joint capacity.
Constellation Designs, Inc.
Digital system for estimating signal non-energy parameters using a digital phase locked loop
A digital system of measuring parameters of the signal (phase, frequency and frequency derivative) received in additive mixture with gaussian noise. The system is based on the use of variables of a pll for calculating preliminary estimates of parameters and calculating the corrections for these estimates when there is a spurt frequency caused by a receiver motion with a jerk.
Topcon Positioning Systems, Inc.
High moment side shield design for area density improvement of perpendicular magnetic recording (pmr) writer
A pmr writer is disclosed wherein a hot seed layer (hs) made of a 19-24 kilogauss (kg) magnetic material is formed between a gap layer and a 10-16 kg magnetic layer in the side shields, and between the leading gap and a 16-19 kg magnetic layer in the leading shield to improve hy_grad and hy_grad_x while maintaining write-ability. The hs is from 10 to 100 nm thick and has a first side facing the write pole with a height of ≦0.15 micron, and a second side facing a main pole flared side that may extend to a full side shield height of ≦0.5 micron.
High-efficiency line-forming optical systems and methods
A line-forming optical system and method are disclosed that form a line image with high-efficiency. A method includes forming a laser beam having a first intensity profile with a gaussian distribution in at least a first direction and passing at least 50% of the laser beam in the first direction to form a first transmitted light.
Method and device for determining a data-based functional model
A method for creating a gaussian process model as a data-based functional model for an output quantity that is to be modeled, based on training data in an input data space, including providing training data having training data points and output values, assigned to the training data points, of one or more output quantities; ascertaining a point density that is a function of the position of the training data points in the input data space; ascertaining a length scale function for each input quantity of the training data as a function of the point density; and generating a gaussian process model from the training data and the output data of the output quantity to be modeled, based on the ascertained length scale functions.. .
Robert Bosch Gmbh
Depth estimation from image defocus using multiple resolution gaussian difference
A blur estimation method and apparatus which utilizes gaussian differences at multiple resolutions, upon which iterative convolution is performed to match sharpness measures between two images. Blur differences are combined with an iteration number selected from multiple resolution levels based on comparing a sharpness ratio as the blur difference estimate.
Lid sensor and retrofit system
A non-contact lid sensor is provided for use with an oil field thief hatch and a latch. The sensor is mounted to the latch and comprises a reed switch.
Sensor Solution Corp.
Radio communication system utilizing a radio signal classifier
A system suitable for use in classifying radio signals includes a plurality of feature extractors configured to extract a plurality of features from an object and a plurality of classification layers. Each of the plurality of classification layers includes one or more reduced enhanced gaussian classifiers selected from a plurality of gaussian classifiers based on a classification error rate of each of the plurality of gaussian classifiers and configured to classify the object as belonging to an object class in a subgroup of correctly classified object classes or in a disjoint error subgroup that needs further classification, using at least one of the extracted plurality of features.
Drs Icas, Llc
Method for establishing prediction model based on multidimensional texture of brain nuclear magnetic resonance images
Disclosed is a method for establishing a prediction model based on a multidimensional texture of brain nuclear magnetic resonance images. Images are segmented using a region growing method, a contourlet transform method is used to extract an edge texture feature parameter of rois, a multidimensional database is established, and a prediction model is established using various data mining methods, comprising a gaussian process, a support vector machine, a random forest, a lasso regression and a semi-supervised support vector machine.
Capital Medical University
Method and system for performing multi-bone segmentation in imaging data
A computer implemented method for performing bone segmentation in imaging data of a section of a body structure is provided. The method includes: obtaining the imaging data including a plurality of 2d images of the section of the body structure; and performing a multiphase local-based hybrid level set segmentation on at least a subset of the plurality of 2d images by minimizing an energy functional including a local-based edge term and a local-based region term computed locally inside a local neighborhood centered at each pixel of each one of the 2d images on which the multiphase local-based hybrid level set segmentation is performed, the local neighborhood being defined by a gaussian kernel whose size is determined by a scale parameter (σ)..
Laboratoires Bodycad Inc.
Pore size classification in subterranean formations based on nuclear magnetic resonance (nmr) relaxation distributionsbutions
Porosity of a subterranean region is estimated by accessing a nuclear magnetic resonance (nmr) relaxation distribution corresponding to nmr measurements of a subterranean region in which the nmr relaxation distribution includes multiple of peaks, fitting gaussian functions to the nmr relaxation distribution to establish values for fitting parameters for each of the gaussian functions, determining the porosity of the subterranean region based on the values of the fitting parameters of the gaussian functions, and categorizing the porosity based on a relationship between the fitting parameters of the gaussian functions and a distribution of pore sizes.. .
Halliburton Energy Services, Inc.
Laser spot finding
Techniques are disclosed for determining the location of laser spot in an image, enabling wind sensing to be performed on captured images of the laser spot. Techniques can include image averaging, background subtraction, and filtering to help ensure that the gaussian laser spot is detected in the image.
Adaptive noise filter
A method for applying a filter to data to improve data quality and/or reduce file size. In one example, a region of interest of an image is identified.
Apparatus and detectting key point using high-order laplacian of gaussian (log) kernel
Provided is an apparatus and method for detecting a key point using a high-order laplacian of gaussian (log) kernel, wherein the method includes generating the high-order log kernel using an log operator, and detecting a key point of an image using the high-order log kernel.. .
Electronics And Telecommunications Research Institute
Pins: a perturbation clustering approach for data integration and disease subtyping
Disease subtyping is accomplished by a computer-implemented algorithm that manipulates a first genetic dataset to construct a set of first connectivity matrices. To this set of matrices gaussian noise is introduced to generate a perturbed dataset.
Wayne State University
System and providing gradient intensity illumination for lighted mirrors for dressing rooms and other applications
An illumination system comprising a light source with a linear array of light emitting elements and an arrangement for regulating power to the array whereby the light emitting elements emit light in accordance with a tapered gradient intensity profile. In the illustrative embodiment, the light source includes first and second linear arrays of light emitting elements and a mirror is mounted there between.
Complex background-oriented optical character recognition
A complex background-oriented optical character recognition method and device are provided. The method of the present invention includes: collecting image information to obtain a collected image; according to character characteristics, acquiring a target character region from the collected image, and taking same as a target object; extracting character edge information in the target object using a differential method to obtain an extracted image; superposing the target object and the extracted image to obtain a recovery image; conducting inversion and gaussian filtration processing on the recovery image to obtain a processed image; searching for a target character location in the processed image; and recognizing the target character location.
Grg Banking Equipment Co., Ltd.
Ramp-type analogue-digital conversion, with multiple conversions or single conversion, depending on the light level received by a pixel
In a matrix image sensor, a method of reading a pixel of a column allows two modes of analogue-digital conversion of the voltage level provided by the column: a first mode in which are carried out a single analogue-digital conversion in a nominal conversion time window fconv, of nominal duration dn and a counting which starts with a ramp of nominal duration dn and stops upon the toggling of the output scmp of the comparator; and a second mode which provides for multiple conversions by comparison with a ramp of reduced duration dr, in the same nominal conversion time window. The selection of the mode of conversion to be applied is based on the observation of the state of the output scmp of the comparator after a predetermined duration after the instant ti of ramp start: if the output has toggled, the useful level to be converted represents a low light level to which the second mode with multiple conversions will be applied; if the output has not toggled, the useful level to be converted represents a high light level and the first, conventional, mode with single conversion will be applied.
Flexible magnetic field coil for measuring ionic quantity
A flexible magnetic coil for determining ion migration rates inside a vacuum device can include a plurality of insulated copper wires held together as a bundle. A positive pole can be connected to a first end of the bundle for receiving a positive dc voltage.
Method and system for lithography process-window-maximizing optical proximity correction
An efficient opc method of increasing imaging performance of a lithographic process utilized to image a target design having a plurality of features. The method includes determining a function for generating a simulated image, where the function accounts for process variations associated with the lithographic process; and optimizing target gray level for each evaluation point in each opc iteration based on this function.
Asml Netherlands B.v
Systems and methods for automated generation of graphical user interfaces
A computer-implemented method for automated generation of a graphical user interface for a target application, the method being performed in connection with a computerized system comprising a processor, a memory and a display device, the method involving: obtaining a content associated with the target application; using the obtained content to generate a central graphical element, the central graphical element being generated using at least a first portion of the obtained content; magnifying at least a second portion of the content; applying a gaussian blurring filter to the magnified second portion of the content; generating a background image based on the blurred magnified second portion of the content; and generating the graphical user interface, the graphical user interface comprising the central graphical element, the background image and a content block, wherein the central graphical element and the content block overlay the background image.. .
Limited Liability Company Mail.ru
Low sparkle glass sheet
The invention relates to a glass sheet comprising at least one etched surface having a surface roughness defined, when measured on an evaluation length of 2 mm and with a gaussian filter of which the cut-off wavelength is 0.8 mm, by: 0.02≦ra≦0.4 microns, 5≦rsm≦30 microns, said glass sheet having the following optical properties, when measured from said etched surface: —a haze value of from 1 to 30%; —a clarity value of from 50 to 100%; —a gloss value at 60° of from 30 to 110 sgu. Such a glass sheet which is particularly suitable for display applications as cover glass.
Asahi Glass Co Ltd
Apparatus, system, and image normalization using a gaussian residual of fit selection criteria
An apparatus and method for image normalization using a gaussian residual of fit selection criteria. The method may include acquiring a two-dimensional image of a plurality of particles, where the plurality of particles comprises a plurality of calibration particles, and identifying a calibration particle by correlating a portion of the image corresponding to the calibration particle to a mathematical model (e.g.
Anomaly detection using adaptive behavioral profiles
Anomalous activities in a computer network are detected using adaptive behavioral profiles that are created by measuring at a plurality of points and over a period of time observables corresponding to behavioral indicators related to an activity. Normal kernel distributions are created about each point, and the behavioral profiles are created automatically by combining the distributions using the measured values and a gaussian kernel density estimation process that estimates values between measurement points.
Map decoding method using augmented lattices
The invention relates to a map decoding method of a signal received through a noisy channel, the signal being composed of symbols in an alphabet having a non-uniform probability distribution, the symbols being represented by points in a lattice (Λ). The probability distribution of symbols is modeled using a gaussian distribution.