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128 results about "Multi detector" patented technology
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System and Method for Single Optical Axis Multi-Detector Microscope Slide Scanner
ActiveUS20070147673A1Improve scan performanceQuality improvementLaser using scattering effectsCharacter and pattern recognitionSensor arrayMicroscope slide
Systems and methods for microscope slide scanning using multiple sensor arrays that receive imagery data from a single optical axis are provided. A single, high quality, easily obtained microscope objective lens is used to project an image onto two or more sensor arrays. The sensor arrays can be linear or two dimensional and imaging takes place along a single optical axis. Simultaneous sensor acquisition and parallel data processing reduce the image acquisition time by a factor of N, where N represents the number of sensors employed.
Owner:LEICA BIOSYST IMAGING
Toroid cavity/coil NMR multi-detector
InactiveUS7271592B1Rapid and non-invasive nuclear magnetic resonance （NMR） spectroscopyElimination of poor magnetic field homogeneityMagnetic measurementsElectric/magnetic detectionElectrical conductorHelmholtz coil
An analytical device for rapid, non-invasive nuclear magnetic resonance (NMR) spectroscopy of multiple samples using a single spectrometer is provided. A modified toroid cavity / coil detector (TCD), and methods for conducting the simultaneous acquisition of NMR data for multiple samples including a protocol for testing NMR multi-detectors are provided. One embodiment includes a plurality of LC resonant circuits including spatially separated toroid coil inductors, each toroid coil inductor enveloping its corresponding sample volume, and tuned to resonate at a predefined frequency using a variable capacitor. The toroid coil is formed into a loop, where both ends of the toroid coil are brought into coincidence. Another embodiment includes multiple micro Helmholtz coils arranged on a circular perimeter concentric with a central conductor of the toroid cavity.
Owner:THE UNITED STATES AS REPRESENTED BY THE DEPARTMENT OF ENERGY
High resolution, multiple detector tomographic radionuclide imaging based upon separated radiation detection elements
InactiveUS6838672B2Handling using diaphragms/collimetersMaterial analysis by optical meansRadionuclide imagingMulti detector
A radionuclide scanner in which multiple detectors are equipped with collimators such that a circular rotation of the detector around a target provides the movement needed for collimator sampling. This collimator sampling is accomplished through strategic placement of the detector heads relative to each other such that for any given projection, a complete imaging of the projection is acquired by summing the complementary contributions of the multiple detector heads at the projection under consideration.
Owner:SIEMENS MEDICAL SOLUTIONS USA INC
Method of inspecting a DNA chip
InactiveUS7217573B1Enhanced informationEasy to detectBioreactor/fermenter combinationsBiological substance pretreatmentsFluorescenceMulti detector
A method of inspecting a DNA chip and an apparatus therefor that allow a picture to be reconstructed in the following steps: A plurality of irradiation spots are formed on a DNA probe array mounted on a stage. Then, the stage is displaced in X, Y directions so as to execute a scanning, thereby irradiating substantially all the entire surface of the DNA probe array. Next, a plurality of emitted fluorescent lights, which are generated from the plurality of irradiation spot portions on the DNA probe array, are converged and are then detected simultaneously by multi detectors. Finally, a data processing apparatus processes the detected signals, thereby reconstructing the picture.
Owner:HITACHI LTD
Multi-parameter logging method while drilling based on controllable neutron source
ActiveCN102518431AShorten the lengthSimple structureBorehole/well accessoriesNuclear radiation detectionSequence designLithology
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
Multi-detector detection of optical signals
ActiveUS20040218932A1Improve performanceDistortion/dispersion eliminationElectromagnetic receiversCommunications systemOptical communication
Use in an optical communications system of multiple detectors to separately detect respective multiple spectral modes of a received optical signal. The invention also provides for corresponding multi-channel, dispersion-tolerant optical receivers. Embodiments are presented both for direct detection and for coherent detection of optical signals.
Owner:CIENA
Visible-light polarization image fusion method based on non-subsampled shearlets
InactiveCN105139367AIncrease polarization characteristic distinctionImprove target detection rateImage enhancementMultiscale decompositionDecomposition
The present invention provides a visible-light polarization image fusion method based on non-subsampled shearlets. At first, Strokes calculation is carried out for different polarization images captured by a multi-detector camera at the same time to obtain a polarized degree image, a polarized angle image and a light intensity image by which a polarization feature image of a target is extracted. Then, non-subsampled shearlets transform (NSST) decomposition is performed on the polarization feature image and the light intensity image separately. High and low-frequency fusion coefficients are determined separately in a frequency domain according to window energy and an average value. An initial fusion image is reconstructed by using NSST inverse transform. Finally, the initial fusion image is subjected to target enhancement to obtain final fusion image output. Compared with a conventional target detection method utilizing multi-scale decomposition, the method provided by the present invention increases means for polarization feature extraction and target enhancement, effectively increases details of the fusion image, improves target and background contrast, highlights polarization properties of the target, improves the ability of scene perception and target detection, and is suitable for a target detection system.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
Object detection and image cropping using a multi-detector approach
Computerized techniques for real-time object detection from video data include: defining an analysis profile comprising an initial number of analysis cycles dedicated to each of a plurality of detectors, each detector being independently configured to detect objects according to a unique set of analysis parameters; receiving a plurality of frames of digital video data, the digital video data depicting an object; analyzing the plurality of frames using the plurality of detectors and in accordance with the analysis profile, wherein analyzing the plurality of frames produces an analysis result for each of the plurality of detectors; determining a confidence score for each of the analysis results; and updating the analysis profile by adjusting the number of analysis cycles dedicated to at least one of the plurality of detectors based on the confidence scores. Corresponding systems and computer program products are also disclosed.
Owner:KOFAX
Unmanned aerial vehicle mounted light and small-sized self-stabilized flight multispectral imaging system
ActiveCN104154997ASolve the problem of color driftEasy to replaceSpectrum investigationAttitude controlAviationCamera lens
An unmanned aerial vehicle mounted light and small-sized self-stabilized flight multispectral imaging system adopts the multi-lens multi-detector light splitting mode and utilizes a management controller to perform synchronous exposure tactics on a detector group to realize simultaneous imaging of the target region in different bands, and image data and flight auxiliary data are packaged and stored by an on-board memory unit; images shot in the target region are transmitted to a ground workstation in real time through a viewer; in addition, a stable control module conducts two-axis system posture adjustment on the azimuth axis and the rolling axis so as to realize vertical or inclined imaging of the system, eliminate plane vibration and perturbance and also avoid influence on the shooting trace from the side flight and rolling of the plane, and the axis of the shooting region is always kept parallel to the trace. The system adopts the light, small and integrated design, is suitable for being built on a light and small-sized unmanned aerial vehicle, can be adaptable to civil fields, such as agriculture and forestry monitoring, water contamination monitoring, smart city planning construction, drug arresting and emergency rescue, and facilitates monitoring of dynamic targets.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
Overlap patterns and image stitching for multiple-detector compressive-sensing camera
InactiveUS20140168482A1Television system detailsImage enhancementPhotovoltaic detectorsPhotodetector
A mechanism for reconstructing sub-images based on measurement data acquired by an imaging system including an array of light modulating elements and an array of photodetectors. Each sub-image is reconstructed based on samples from a respective photodetector and a respective set of measurement patterns defined on a respective virtual sub-region on the modulating array. Each virtual sub-region is configured to include at least the light modulating elements that are able to send a non-trivial amount of light to the respective photodetector during a pattern application period. The virtual sub-regions overlap because many light modulating elements are capable of sending light to more than one photodetector. Whenever a measurement pattern of one virtual sub-region overlaps the measurement pattern of a neighboring virtual sub-region, the two measurement patterns agree by design. Thus, the measurement patterns for the collection of virtual sub-regions combine to form a pattern on the whole modulating array.
Owner:INVIEW TECH CORP
Automated multi-detector analyzer
An automated analyzer for analyzing patient samples. The analyzer includes a plurality of cuvettes, which allow the samples to be mixed with various reagents. The analyzer includes one or more detectors, including a detector adapted to detect luminescence of the reaction mixture in the cuvettes. The analyzer allows for various diagnostic assays to be performed on a single system, and provides for high-sensitivity analysis at faster speeds.
Owner:DADE BEHRING
Onboard SAL imaging method adopting along-track interference to inhibit platform vibration
ActiveCN103728621AReduce vibrationReduce constraints on isolated strong pointsRadio wave reradiation/reflectionHigh resolution imagingSlow time
The invention discloses an onboard SAL imaging method adopting along-track interference to inhibit the platform vibration. The method comprises the steps: pre-processing an echo signal, dividing a slow time subaperture and imaging the subaperture; processing an image of the subaperture by means of the interference, extracting an interferometric phase, and estimating the instantaneous speed of a platform in vibration; calculating a phase error caused by the vibration, and performing coarse compensation on the phase error; processing the phase-compensated data by means of PGA (Programmable Gain Amplifier) treatment to obtain a final imaging result. Based on an along-track multi-detector observing structure, the onboard SAL vibration inhibition and imaging method can effectively inhibit influences caused by the platform vibration, and realizes the high-resolution imaging of an onboard SAL azimuth.
Owner:INST OF ELECTRONICS CHINESE ACAD OF SCI
System and method for single optical axis multi-detector microscope slide scanner
ActiveUS8164622B2Improve scan performanceQuality improvementLaser using scattering effectsCharacter and pattern recognitionSensor arrayMicroscope slide
Owner:LEICA BIOSYST IMAGING
Single-center projection transformation method of multi-lens and multi-detector aerial camera
ActiveCN106643669AExcellent splicing accuracyGeometric image transformationPicture interpretationAviationCamera lens
The invention provides a single-center projection transformation method of a multi-lens and multi-detector aerial camera. The single-center projection transformation method comprises the following steps: 1) establishing a virtual image space coordinate system with uniform standards; 2) establishing a mathematical model for reflecting a related position relation between multi-lens cameras and a related position relation between a plurality of detectors; 3) solving combined position elements and distortion parameters of a plurality of lenses and the plurality of detectors through static geometric calibration; 4) establishing a mathematical mode for related position changes of images of the plurality of detectors in a dynamic flight process; 5) obtaining identical points of overlapped regions of the images of the plurality of detectors through rapid matching of short-baseline images; 6) establishing a self-calibration error equation according to an identical points coordinate error minimum principle; 7) carrying out a point-by-point method and finishing iterative solution according to a least squares adjustment principle, so as to obtain accurate related position element in the dynamic flight process. The method provided by the invention is universally applicable to generation of equivalent single-center projection virtual images of a multi-lens and multi-detector area array splicing type aerial mapping camera.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
Multi-detector detection of optical signals
ActiveUS7272327B2Improve performanceDistortion/dispersion eliminationElectromagnetic receiversCommunications systemOptical communication
Owner:CIENA
Directional Neutron Detector
InactiveUS20180172853A1Accurate directionHighly insensitiveMeasurement with scintillation detectorsRadiation particle trackingProtonMulti detector
A neutron detector that indicates the direction toward a neutron source. The detector is a proton-recoil type of detector, in which two different scintillators are positioned on both sides of a hydrogenous target. Proton recoil signals from the two scintillators indicate whether neutrons arrive from the left, right, or center relative to the detector alignment. Surprisingly high precision can be obtained by orienting the detector so that the counting rates in the two scintillators are equal, at which point the target layer is directly aligned with the source. Disclosed are thick and thin target configurations, versions for discriminating pulses from the two scintillators, options for assembling a multi-detector stack and array, and multiple analysis procedures for optimally locating the neutron source.
Owner:NEWMAN DAVID EDWARD
Method and System for Left Ventricle Detection in 2D Magnetic Resonance Images Using Ranking Based Multi-Detector Aggregation
A method and system for left ventricle (LV) detection in 2D magnetic resonance imaging (MRI) images is disclosed. In order to detect the LV in a 2D MRI image, a plurality of LV candidates are detected, for example using marginal space learning (MSL) based detection. Candidates for distinctive anatomic landmarks associated with the LV are then detected in the 2D MRI image. In particular, apex candidates and base candidates are detected in the 2D MRI image. One of the LV candidates is selected as a final LV detection result by ranking the LV candidates based on the LV candidates, the apex candidates, and the base candidates using a trained ranking model.
Owner:SIEMENS HEATHCARE GMBH
Multicenter near-infrared diffuseness imaging system for cerebral function image
The invention relates to multi-access near infrared light diffusion imaging system of brain functional research, which belongs to medical equipment technological field, comprising of near infrared light laser source, multi-access optical fiber switcher, reflected sensing head with multi-light source and multi-detector, electro optical signal collecting and magnifying circuit system, computer with data collection card and program or controlling signal collection and imaging. The sensing head is reflected sensing head with multi- light source and multi-detector, with a rectangular slice made of soft material as substrate; the light source and detector arrange according to the way of rectangular array, each detector light source is embedded in the central point of rectangular area formed by four light sources or switcher adjacent. Besides, the invention uses the way of contrast imaging, eliminating the effect caused by mismatching between the access, and it doesn't bring hurt, pocketable and stable, also, it can realize real time dynamic imaging which is easier to understand, suitable for clinical application.
Owner:TSINGHUA UNIV
Multi-detector edxrd
ActiveUS20070058779A1Improve throughputImprove versatilityX-ray spectral distribution measurementMaterial analysis using radiation diffractionX-rayMulti detector
A method for analysis of a sample includes irradiating an area of the sample with a polychromatic X-ray beam. X-rays scattered from the sample are detected using a plurality of detectors simultaneously in different, respective positions, whereby the detectors generate respective outputs. Energy-dispersive processing is applied to the outputs of the detectors so as to identify one or more X-ray diffraction lines of the sample.
Owner:BRUKER TECH LTD
Multi detector mass spectrometer and spectrometry method filter
ActiveUS10867780B2Easy to controlFacilitates ion transportSpectrometer detectorsIon sources/gunsEngineeringMass analyzer
Owner:THERMO FISHER SCI BREMEN
Low Latency Multi-Detector Noise Cancellation
ActiveUS20130007570A1Reduce distractionsData representation error detection/correctionCode conversionDetector circuitsLatency (engineering)
Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing circuit is disclosed that includes first and second data detectors and an error cancellation circuit. The first data detector is operable to perform a data detection process on a first signal derived from a data input to yield a detected output. The second data detector circuit is operable to perform a data detection process on a second signal derived from the data input to yield a second detected output. The error cancellation circuit is operable to combine a first error signal derived from the detected output with a second error signal derived from the second detected output to yield a feedback signal. The feedback signal is operable to modify the data input during a subsequent period.
Owner:AVAGO TECH INT SALES PTE LTD
Dynamic reactivity measurement method based on multi-detector measurement signals
ActiveCN109117591AImprove accuracyImprove reliabilityDesign optimisation/simulationSpecial data processing applicationsThree-dimensional spacePhysical model
The invention discloses a dynamic reactivity measurement method based on a multi-detector measurement signal, the invention aims at the shortcomings of the existing single detector point reactor modeland establishes a reactor dynamic reactivity measurement method capable of eliminating the space effect error of the drop rod reactivity measurement of the point reactor model through the three-dimensional space-time dynamics analysis and the coupling analysis of the measurement signals of a plurality of detectors. In this method, physical parameters are calculated based on three-dimensional spatio-temporal dynamics analysis combined with three-dimensional physical model, and the measured signals of multi-detectors are coupled to be used for reactivity measurement, which improves the shortcomings of the original measurement method and improves the accuracy of dynamic reactivity measurement.
Owner:NUCLEAR POWER INSTITUTE OF CHINA
Distance measurement precision assessment method in single-photon laser radar multi-detector condition
The present invention relates to a distance measurement precision assessment method in a single-photon laser radar multi-detector condition. The method comprises the steps of: establishing a distancemeasurement precision model of a single-photon laser radar in a multi-detector condition, wherein the distance measurement precision is formed by distance measurement errors and random errors; and obtaining a mathematical relationship of the distance measurement precision and system parameters of a laser radar, measured target parameters and environmental parameters when measurement. According tothe system parameters of the laser radar, the measured target parameters and the environmental parameters when measurement, the distance measurement precision of the single-photon laser radar can be rapidly assessed. The distance measurement precision assessment method has a good backward compatibility, when the number of the detector is equal to 1, the method provided by the invention is the sameas a current single-photon laser radar distance measurement precision assessment method in a single detection condition, and can directly replace the single-photon laser radar distance measurement precision assessment method in the single detection condition.
Owner:WUHAN UNIV
A well logging method utilizing a direct current controllable neutron source to calculate a stratum density
InactiveCN103513287ASimplify the design processImprove stabilityNuclear radiation detectionSpecific gravity measurementTotal countWell logging
The invention relates to a well logging method utilizing a direct current controllable neutron source to calculate a stratum density. A D-D direct current neutron source and a multi-detector measurement system comprising two neutron detectors and three gamma detectors are utilized to record a total count number of neutrons in different positions and a gamma energy spectrum, and a stratum density is calculated. The calculation of the stratum density through the utilization of the direct current controllable neutron source is realized without pulse sequential control. The design of the apparatuses and data processing processes are simplified. The stability of the apparatuses is improved, and a new means is provided for the obtaining of stratum density information in a well logging process.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
True amplitude migration imaging method
ActiveCN104991268AStable spacingStable data supportSeismic signal recordingSeismic signal processingContinuationData acquisition
The invention discloses a true amplitude migration imaging method, in particular, an onshore double / multi-detector total sound wave equation true amplitude pre-stack depth migration method. The method includes the following steps that: a plurality of detection layers are arranged on a ground surface or below the ground surface; seismic signal data are acquired; the partial derivatives of wave fields at the ground surface relative to depth are calculated; wave field continuation is performed a detection point wave field and a shot point wave field; and cross-correlation correlation imaging principles or reflection coefficient imaging principles are utilized to image the continued detection point wave field and shot point wave field. With the method of the invention adopted, a defect that an existing seismic data acquisition system can only record the values of wave fields at the ground surface and cannot accurately solve an acoustic wave equation at the depth domain can be eliminated; an acoustic wave equation can be utilized to accurately solve seismic wave field information; reliable subsurface structure and lithological information can be provided for subsequent geological interpretation personnel; the confidence level of geological interpretation and seismic inversion analysis can be improved; migration imaging can be performed on various kinds of wave fields; and the true amplitude migration of the lithological changes of subsurface structures can be reflected.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING) +1
Optical fiber conduction multi-detector discrete spectrum and fluorescent lifetime detection method and sensor
InactiveCN110132907AHigh sensitivityNo loss of signal-to-noise ratioFluorescence/phosphorescenceKnowledge FieldOptical fiber probe
The invention belongs to the technical field of chemical substance detection, and can be used for high-sensitivity detection and identification of chemical components of substances. A pulse laser is guided and excited fluorescence is transmitted by employing an optical fiber or an optical fiber bundle so that an operator can hold an optical fiber probe to flexibly detect a substance to be detected; and moreover, a plurality of detectors are employed to detect the fluorescent lifetimes and the spectral information under different wavelengths to perform high-sensitivity detection for the weak autofluorescence spectrum and the fluorescent lifetime, the detection precision is high, and the detection speed is fast. Therefore, the optical fiber conduction multi-detector discrete spectrum and fluorescent lifetime detection method and sensor provide a feasible way to the high-sensitivity and convenient measurement of the fluorescence lifetime and the fluorescence spectrum of the substance to be measured, and have important application in the research fields of biology, medicine, material science and the like and the clinical medicine diagnosis.
Owner:杨佳苗
Analytical Apparatus and Analytical Method
ActiveUS20130107256A1Scattering properties measurementsColor/spectral properties measurementsLength waveAnalysis method
Disclosed is a flow cytometer using a spectral device and a multi-detector, in which setting of an optimum wavelength band prior to measuring fluorescence intensity in real time is supported. A signal processing unit stores the intensities in multiple wavelength bands, the intensities being obtained by measuring a calibration sample, and the distribution of the intensities is calculated and displayed by each of the wavelength bands.
Owner:HITACHI HIGH-TECH CORP
Scanning electron microscope having multiple detectors and a method for multiple detector based imaging
ActiveUS20060054814A1Quality improvementIncrease inclinationThermometer detailsMaterial analysis using wave/particle radiationElectron microscopeScanning electron microscope
A system and method for multi detector detection of electrons, the method includes the steps of directing a primary electron beam, through a column, to interact with an inspected object, directing, by introducing a substantial electrostatic field, electrons reflected or scattered from the inspected objects towards multiple interior detectors, whereas at least some of the directed electrons are reflected or scattered at small angle in relation to the inspected object; and receiving detection signals from at least one interior detector.
Owner:APPL MATERIALS ISRAEL LTD
Bypass type flow detection model based on split-flow direction
InactiveCN101800674AImprove performanceEasy to handleData switching networksNetwork packetTree shaped
The invention provides a bypass type flow detection model based on split-flow direction, mainly comprising a flow splitter, a flow directional distributor, flow detectors, an abnormality alarm and an abnormality collector. On the basis of flow classifying and splitting directional treatment, the invention realizes multi-detector parallel detection, sends out alarm information when finding abnormalities, and intensively treats abnormal flows or data packets. Because the detection part of the model has a tree-shaped structure, the model can realize larger-scale parallel treatment through carrying out cascading iteration after the treatment of a flow director. The invention can be widely applied to various network flow detection systems and effectively realizes and improves the properties of parallel high-speed detection on the flows, ideal linear expansion and updating and the like.
Owner:INSPUR TIANYUAN COMM INFORMATION SYST CO LTD
Multi-source multi-detector combined CT system and method
ActiveCN109953768AAchieve restructuring optimizationImprove imaging effectComputerised tomographsTomographyUltra fastX-ray
The invention provides a multi-source multi-detector combined CT system. The system includes a plurality of sets of radiation imaging devices, a data processing unit, a control unit, a rotating machine rack, and a scanning bed; and wherein, each set of the radiation imaging devices includes a detector and a corresponding X-ray source, and at least two of the plurality of sets of radiation imagingdevices are different types of detectors. Based on the multiple radiation imaging devices of the different detectors, the multi-source multi-detector combined CT system is combined, more accurate imaging can be achieved, the comprehensive performance of CT imaging is improved, and mutual calibration, scatter correction, artifact removal, and system image optimization design can be achieved; and atthe same time, by controlling configuration and a scanning mode of different radiation imaging devices, the CT system can be used for the CT Imaging with different, and through combination of a radiation imaging technology of the different types of detectors, and large volume, multi-energy and multi-source precision ultra-fast CT imaging is achieved.
Owner:TSINGHUA UNIV
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