199results about How to "Efficient and accurate determination" patented technology

A computer-implemented method for a gesture-based user interface and a gesture-based user interface system are described. The method comprises receiving image data from a multi-aperture image sensor in said electronic device, said image sensor being configured to simultaneously expose an image sensor to at least a first part of the electromagnetic (EM) spectrum using a first aperture and at least a second part of the EM spectrum using one or more second apertures; determining sharpness information in at least one area of said image data associated with at least part of an object imaged by said first aperture and said one or more second apertures onto the image plane of said image sensor; generating depth information on the basis of at least part of said sharpness information; and, recognizing on the basis of said depth information, at least part of a gesture associated with a movement of said object.

An average face-image is created from images belonging to a face-image group and sample points are specified on the average face-image. Sample points are detected on images in the face-image group corresponding to sample points on the average face-image thereby creating recognition subspaces of feature vectors. Sample points are detected on registered images and an input image corresponding to the sample points on the average face-image by using the recognition subspaces. A degree of similarity between the feature vectors in the recognition subspaces of the registered images and the input image is calculated at the detected sample points. Finally, a person is verified based on the degree of similarity.

The application presents a conversation management method and a conversation management device; the conversation management method includes steps of acquiring user text data to be processed, and history data corresponding to the user text data to be processed; respectively carrying out characteristic extraction on the user text data to be treated and the history data, extracting sentence semantic features corresponding to the user text data to be treated and the history data respectively; according to the pre-structured conversation management model and the extracted sentence semantic features, confirming user intention; according to user intention, feeding back response text data corresponding to the user text data to be treated. The method can efficiently and exactly confirm the user intention, and further efficiently and exactly feedback the text data.

The invention relates to an array coil-based nuclear magnetic resonance ground water sounding instrument and a field sounding method. The instrument consists of a control unit, a transmitting coil and a receiving coil which are connected by a computer through a serial port line or a net port line, wherein the receiving coil is connected by 25 receiving units to form an array coil. The array coil serves as antennas of the receiving units, and each antenna is equipped with an independent receiving unit, so that two-dimensional ground water imaging can be realized, three-dimensional ground water imaging also can be realized, and high-sensitivity acquisition and long-distance data transmission can be realized. Moreover, the antennas can be laid under complex geographic and geomorphic conditions, the accuracy of nuclear magnetic resonance sounding on a horizontal plane is improved, the well site for exploiting the ground water can be efficiently and accurately determined, the water exploration efficiency is improved, the water exploration cost is reduced, and the risk of digging a dry well is effectively reduced.

The embodiment of the invention provides a method and device for determining the risk probability of a service request event. The method comprises the steps that an event characteristic of the servicerequest event is acquired, and a user personal characteristic of a user related to the service request event is acquired; based on a crowd relation map of specific crowd containing the related user,a relation characteristic of the related user is determined; therefore, based on the event characteristic, the user personal characteristic and the user relation characteristic, the risk probability of the service request event is determined. In this way, the risk of the service request event can be comprehensively evaluated.

The invention discloses an improved modal analysis method of power distribution network harmonic resonance. The improved modal analysis method comprises the following steps that: a resonant frequency is determined through using a spectrum analysis method; the eigenvalue matrix of a node admittance matrix under the resonant frequency is obtained; the eigenvalues of the node admittance matrix are sequenced according to an ascending order, and the locations of the eigenvalues are recorded; and the first m minimum eigenvalues are selected as the feasible solutions of critical modes under the resonant frequency, critical right eigenvectors corresponding to each feasible solution are determined, the maximum right eigenvalues and the positions thereof of the critical right eigenvector feasible solutions can be obtained, and the positions are the feasible solutions of a highest excitation node. The improved modal analysis method of the invention has the advantages of high computational efficiency and accurate positioning of the highest excitation node, and the like, and is more suitable for the harmonic resonance analysis of a power distribution network.

The invention relates to a method for realizing reliability maintenance planning of a high temperature pipeline system, which comprises the following steps of: collecting and acquiring detection data of a high temperature pipeline system; calculating a finite element of the high temperature pipeline system; determining creep damage parameters according to the influence degree of all factors on the life of the high temperature pipeline; creating a creep damage probability model through determining the probability distribution of the creep damage parameters; calculating a structural failure probability according to the creep damage probability model; creating a maintenance planning model based on reliability analysis according to the detection data, test results of materials and structures of the high temperature pipeline system and the structural failure probability; and carrying out calculation processing according to the maintenance planning model to obtain the optimal maintenance time of the high temperature pipeline system. By adopting the method for realizing the reliability maintenance planning of the high temperature pipeline system, the structural reliability is determined efficiently and accurately, a maintenance scheme can be accurately determined, the similar problem of the maintenance planning of the high temperature pipelines in other fields can be solved, and the method has wider application range.

The invention belongs to the technical field of bearing detection. The invention relates to a rapid metallographic determination method for of grain size of a GCr15 steel bearing assembly. The rapid metallographic determination method comprises the following steps of 1), preparing an etching solution; 2), etching a sample of the bearing assembly; 3), determining the grain size: shooting a metallograph of a grain boundary profile by using an optical microscope, then determining the grain size of the metallograph by using image analysis software and in reference to steel size determination standards of an average grain size of the steel by an intercept method. The clear grain boundary profile can be obtained by using a rapid and easily operational chemical etching method; and efficient and accurate determination for the GCr15 steel bearing assembly can be realized by combining the metallographic determination method for the grain size.

With regard to EMC problems resulting from interference electromagnetic wave emitted from a subject electronic device, a source of interference electromagnetic wave is accurately located by measuring near-field electromagnetic wave emitted from the subject electronic device. The waveform of an electromagnetic wave received by an antenna under interference is compared with the waveform of an electromagnetic wave detected by a sensor, which moves across a vicinity of the subject electronic device, and when the temporal changes in amplitudes of these waveforms coincide with each other, or when a phase difference between the signals is found fairly constant over time, the position of the sensor at which such condition is found and / or the vicinity thereof is identified as the location of a source of the interference electromagnetic wave.

The invention provides a method for extracting spinal marrow in a CT (Computed Tomography) image. The method comprises the following steps: (1) inputting the three-dimensional CT image and obtaining a three-dimensional GHT (Generalized Hough Transform) space of the position of a central axis of a spinal canal in the three-dimensional CT image by a two-dimensional simplified spinal canal model; (2) according to the three-dimensional GHT space, determining the position of the central axis of the spinal canal in the three-dimensional CT image; (3) according to the position of the central axis of the spinal canal, obtaining a dividing mask of the spinal canal, i.e. obtaining the spinal marrow in the three-dimensional CT image, by a region growing method. According to the technical scheme, not only can the spinal marrow in the CT image be automatically and rapidly extracted, but also the method has higher stability and flexibility.

The invention relates to a power station high-temperature pipe system maintenance method based on the non-probability reliability theory. The power station high-temperature pipe system maintenance method includes the steps of conducting finite element calculation on the strength of a power station high-temperature pipe system, determining key detection parts of the power station high-temperature pipe system, determining creep damage parameters with the non-probability reliability theory, building a creep damage probability model by determining the creep damage parameters, calculating structural failures according to the creep damage probability model, building a maintenance method model based on reliability analysis according to detected data, materials of the power station high-temperature pipe system and structure test results, and determining the optimum maintenance time of the high-temperature pipe system according to the maintenance method model and the actual engineering maintenance cost. The non-probability reliability maintenance method is achieved through the power station high-temperature pipe system, the structural probability reliability is efficiently and accurately determined, maintenance plans can be accurately determined, the maintenance method can solve similar problems of high-temperature pipes in other fields, and therefore the application range is wide.

The embodiment of the invention provides a search result sorting method and device, electronic equipment and a storage medium. The method comprises the following steps that: obtaining the query request and the characteristic information of a user; aiming at the query request, carrying out retrieval, and obtaining a search result; according to the characteristic information of the user, judging a user scene; determining a target requirement type corresponding to the user scene; and according to the target requirement type, determining a sorting scheme for the search result. In the embodiment ofthe invention, the user scene where the user is positioned at present is judged, the target requirement type corresponding to the user scene is searched, user requirements can be more efficiently andaccurately determined, and the search result related to the user requirements is more favorably displayed to the user.

An audio source localization apparatus receives signals from a microphrine array (101), and a reference processor (105) generates at least three reference beams with different directional properties. An estimation processor (107) which generates simultaneous direction estimates for two sound sources, comprises a circuit (401) combining signals of the at least three reference beams with a beam shape parameter reflecting a shape of an audio beamform and a beam direction parameter reflecting a direction of an audio beamform for the combined signal. A cost processor (403) generates a cost measure indicative of an energy of the combined signal and a minimization processor (405) estimates values of the beam shape parameter and the beam direction parameter which correspond to a local minimum of the cost measure. A direction processor (407) then determines simultaneous direction estimates for two sound sources from the determined parameter values. Improved direction estimation for two simultaneous sound sources may be achieved.

The invention discloses a forestry disease monitoring method and device based on an unmanned aerial vehicle. By loading a dual-light camera integrated by a visible light camera and an infrared cameraon the unmanned aerial vehicle, aerial photography monitoring is carried out on a forest in a to-be-monitored area; by analyzing aerial photography data and fully combining with image information of visible light and orthophoto images of normalized difference vegetation indexes, obviously healthy or dead trees are screened out on the basis of the image information of the visible light; then, by combining with NDVI indexes for further judgment, information about the dead trees and ill trees in the to-be-monitored area is thus determined quickly, accurately and efficiently. The current situations that the judgment efficiency is not high and the accuracy is low since identification on forestry diseases only relies on utilization of visible light images or the NDVI indexes are overcome, and therefore the problem that when the forestry diseases and forestry pest disasters happen in the prior art, the ill trees and the dead trees cannot be quickly and accurately found out is solved.

The invention discloses a crop monitoring method and device based on an unmanned plane, and the method comprises the steps: carrying out the aerial photographing of the crops in a to-be-monitored region through a visible light camera, a near-infrared camera and a thermal imager which are all disposed on the unmanned plane; analyzing the aerial photographing data, fully combining a visible light orthoimage, a thermal imaging orthoimage and an NDVI orthoimage, and analyzing the health condition of the crops accurately, thereby achieving the quick, accurate and efficient determining of the healthinformation of the crops in the to-be-monitored region, and solving problems of low judgment efficiency and lower accuracy caused when a single thermal image or a single NDVI orthoimage is used for recognizing the health condition of the crops. The method and device can be used for the discrimination of the health degree of crops in a better way in a period which is after the emergency of the seedlings and before maturity.

The embodiment of the invention provides a vehicle line pressing determination method and device, equipment and a storage medium, and the method comprises the steps: carrying out the semantic segmentation of a to-be-audited traffic image, and obtaining the segmentation information of a target vehicle in the traffic image; fitting the chassis frame of the target vehicle based on the segmentation information of the target vehicle, and obtaining a chassis fitting frame of the target vehicle after successful fitting; and if the chassis fitting frame of the target vehicle intersects with the lane line, determining that the target vehicle presses the lane line. According to the technical scheme of the embodiment of the invention, whether the target vehicle presses the line or not can be accurately and efficiently determined, the labor cost is saved, and the public and fair auditing work can be ensured.

The invention is suitable for the technical field of computers, and provides a personnel association method and device and a graph convolution network training method and device. The personnel association method comprises the steps of acquiring a first node feature matrix and a first adjacency matrix of target graph data, wherein the target graph data are graph data constructed according to face image data of target personnel and a peer-to-peer relationship of the target personnel; inputting the first node feature matrix and the first adjacent matrix into a trained graph convolution network for graph convolution processing to obtain a node embedding feature matrix corresponding to the target graph data; and embedding the nodes corresponding to the target graph data into a feature matrix toperform target processing, and determining an association relationship of the target personnel. According to the embodiment of the invention, the personnel association relationship can be efficientlyand accurately determined.

The invention discloses a panoramic-image-based dangerous falling rock surveying method, which comprises the following steps of distributing control points, acquiring a panoramic image of a construction site, and calculating attitude parameters and unit sphere center positions of the panoramic image under an engineering coordinate system for panoramic image orientation by combining with real coordinates of each control point; establishing a measurable three-dimensional visual environment of the panoramic image to obtain a three-dimensional panoramic image with a geographic reference by combining with a digital elevation model of the construction sites; identifying dangerous falling rocks, and extracting the information of the dangerous falling rocks. According to the method, the panoramic image of an engineering construction area is acquired, and a digital three-dimensional dangerous falling rock interpretation environment is established under the support of a high-precision mathematical model, so that a dangerous falling rock remote-sensing interpretation method is improved, and the distribution range, scale, spatial form and position of the dangerous falling rocks are accurately and efficiently determined; the method is proven to be effective by the actual application of railway construction projects such as the coal transportation passage from Sanmenxia to Jingmen and the railway from Xinjiang Baluntai to Yiergen.

The invention provides an air conditioner defrosting control method and device. The method comprises the steps of determining whether an air conditioning unit meets a preset defrosting starting condition or not; obtaining temperature data inside a heat exchanger under the condition that it is determined that the preset defrosting starting condition is met; determining whether the change of the temperature data inside the heat exchanger meets a preset trigger condition or not; and controlling the air conditioning unit to executing a defrosting mode under the condition that it is determined that the preset trigger condition is met. By means of the above scheme, the phenomenon of defrosting when no frost exist due to the fact that whether defrosting is needed or not is only determined by some operating parameters of the air conditioning unit at present is avoided, the technical effect of accurately and efficiently determining whether the air conditioner needs to enter the defrosting mode or not is achieved, and the energy efficiency of the air conditioner is improved.

The invention discloses a method for determining the carbon content in slag fluxing agent. According to the method, the carbon content is determined by a high-frequency infrared carbon-sulfur analyzer through a high-frequency induction combustion-infrared absorption method. The method comprises the following steps: preparing spares for determination; determining a carbon content blank value; calibrating the high-frequency infrared carbon-sulfur analyzer; sampling and preparing a sample; preparing a specimen; and measuring the carbon content in the slag fluxing agent powdered sample to be measured. According to the invention, the optimal fluxing agent is selected through fluxing agent experiment, so that carbon in the slag fluxing agent can be completely released, thereby improving the measuring accuracy. The method disclosed by the invention can be operated simply and quickly; the determination result is favorable in reproducibility and accuracy; the problem of determining the carbon content in the slag fluxing agent is solved; and a reliable technical guarantee is provided for quality control on iron and steel smelting.

The invention relates to a method for determining constitutive parameters of a butt welded pipe welding seam in the biaxial stress state, which comprises the following steps of: determining the constitutive parameters of the parent metal in the uniaxial stress state, thereby determining the range of the parent metal strength factor K<sim> in the perforated sample tensile finite element analogy, and the range of the hardening index n<sim>; and by determining the variation ranges of the strength factor and the hardening index, obtaining the relationship between different constitutive parameter combinations (K<sim>, n<sim>) and the combinations (F<sim>, Delta l<sim>) of tensile force and gauge length elongation, and establishing a recessive mapping relationship between the combination (F, Delta l) of tensile force and gauge length elongation and the constitutive parameter combination (K, n), thereby obtaining the constitutive parameters of the welding seam in the biaxial stress state. The method induces the planar biaxial tension stress state, which is more approximate to the true stress state of pipe deformation, in the uniaxial tension process of a perforated sample, can be used for accurately and efficiently determining the constitutive parameters of the welding seam ductility of a butt welded pipe, and is beneficial to enhancing the forming quality and the forming limit of the welded pipe.

An embodiment of the invention discloses a method and a device for determining sand body connectivity. The method provides first geological parameter information of a first single sand body and secondgeological parameter information of a second single sand body in a target work area, and standard indexes corresponding to a plurality of specific connectivity levels. The method comprises the stepsof: determining a membership degree relation of each standard index and the corresponding specific connectivity level respectively; setting a weight matrix corresponding to the standard indexes according to the standard indexes, and determining a target weight value of each standard index in the weight matrix; and determining a target index and a target index parameter value according to the firstgeological parameter information and the second geological parameter information, and determining the sand body connectivity between the first single sand body and the second single sand body according to the target index parameter value, the target weight values of the standard indexes and the membership degree relations. The method and the device provided by the invention can realize efficientand precise determination of the sand body connectivity.

The embodiment of the invention discloses a user interface identification method and device. The user interface identification method can be applied to user interface identification of various game software. The user interface identification method includes the steps of automatically determining a plurality of user interface elements, at least including a first user interface element and a seconduser interface element, included in a display image by analyzing the display image displayed when to-be-tested software runs and traversing the display image; determining the overlapping condition ofthe regions where a plurality of user interface elements are located according to the determined position information of the region of the plurality of user interface elements in the display image; and if the region frame of the region where the first user interface element is located is overlapped with the region frame of the region where the second user interface element is located, identifyingthe super-frame condition on the display image. Therefore, the user interface element super-frame condition of the to-be-tested software can be efficiently and accurately determined.

The invention discloses a method for detecting focal plane change of an exposure machine table, which comprises the following steps: carrying out exposure and development on a control wafer by using a photomask to form a first-layer overlay precise measurement mark (OVL mark); carrying out exposure and development for a second time by using the photomask with a wedge to form a second-layer OVL mark on the first-layer OVL mark, wherein the photomask with a wedge resolves the focal length Z-axis component into an X-axis component and a Y-axis component; measuring the overlay degree of the first-layer OVL mark and the second-layer OVL mark by using an overlay precise measuring instrument to obtain the overlay value of the first-layer OVL mark and the second-layer OVL mark in the X-axis direction and the Y-axis direction according to the change of the focal length variable delta Z in the second exposure; and determining whether the focal plane is changed according to the intersection point of the overlay value curve, which is formed by delta Z and X-axis direction, and the overlay value curve formed by delta Z and Y-axis direction. The invention also discloses an exposure machine table for detecting the focal plane change of the exposure machine table. The method and the device can be used for precisely determining whether the focal plane of the exposure machine table is changed with high efficiency.

The present invention is directed to oligonucleotides based on peptide nucleic acid oligonucleotide or an equivalent oligonucleotide analogue, such as morpholino or a locked nucleic acid sequences and the use of such oligonucleotides for the dissociation of higher order structures, including triplex-helix DNA structures, in repeated sequences of DNA in Friedreich's ataxia. The dissociation of such structures may be used in the diagnosis and / or treatment of Friedreich's ataxia. Consequently, the present invention is also directed to a method for diagnosing Friedreich's ataxia and the use of peptide nucleic acid oligonucleotide or an equivalent oligonucleotide analogue, such as morpholino or a locked nucleic acid sequences in the treatment of Friedreich's ataxia. Preferably, the oligonucleotides comprise a sequence selected from the group consisting of (GAA)n, (CTT)n, (JTT)n or a mixed (JTT / CTT)n sequence.

The embodiment of the invention discloses a method, a device and a system for screening credit card accounts with cheating transactions, and the method comprises the steps: obtaining a credit card account set which comprises the business feature data of a plurality of credit card accounts; performing clustering processing on the service feature data of the plurality of credit card accounts to obtain a plurality of clustering categories; determining a suspicion degree scoring interval of each clustering category according to the service characteristics of each clustering category and the card number proportion; determining a suspicion score of the credit card account according to the distance between the service feature data of the credit card account and the clustering center of the clustering category where the credit card account is located and the suspicion score interval of the clustering category where the credit card account is located; and screening credit card accounts with cheating transactions in the credit card account set according to the suspicion score. By utilizing each embodiment of the specification, the credit card accounts with cheating transaction behaviors suchas cash register and the like can be screened more accurately and efficiently.

The invention specifically relates to a sample preparation method and detection method for water-soluble heavy metal elements in solid waste, belonging to the technical field of analytical chemistry. The method comprises the following steps: a, adding pure water into to-be-detected solid waste; b, adding a neutral oxidizing atmosphere protective agent and carrying out vibrating extraction for 4 to 6 h; c, carrying out filtering, taking filtrate and adding an oxidizing strong acid solution and the neutral oxidizing atmosphere protective agent into the filtrate so as to obtain a mixed solution; and d, maintaining the mixed solution in a sub-boiling state and then successively carrying out evaporative concentration, cooling to room temperature, dilution and volume fixation. The methods provided by the invention have the characteristics of easy operation, a few steps, low requirements on the performance of analysis equipment and experimental condition, small usage amounts of reagents, capacity of simultaneous determination of multiple elements, low quantitative determination lower limit, high precision, etc. and totally meet technical needs for accurate determination of water-soluble heavy metal elements like Hg, Cd, Pb, As, Se, Be, Cr, Cu, Zn and Ni in antimony titanium chloride tailings in an analysis laboratory with common equipment and conditions.

The embodiment of the invention provides a battery management method and device and a vehicle. The battery management method comprises the steps of firstly obtaining battery state parameters; comparing the battery state parameters with a plurality of aging parameter thresholds to determine a target aging grade of the battery; and then determining a target charging and discharging parameter corresponding to the target aging level according to a pre-stored corresponding relationship between the aging level and the charging and discharging parameter. According to the technical scheme, the target charging and discharging parameters are determined according to the target aging level, and different charging and discharging parameters can be adopted in each aging stage of the whole life cycle of the battery, so that the aging speed of the battery is reduced to a certain extent, and the safety risk caused by aging is reduced; in addition, the battery state parameters are respectively compared with a plurality of aging parameter thresholds, so that the aging grade of the battery can be determined more accurately and efficiently.

The invention belongs to the technical field of resources and environments and relates to a method for separating and collecting gas-state organic pollutants and an implementation device thereof. The method comprises the following steps: (1) heating materials in a heating device, and preserving the temperature, wherein in the heating process, carrier gas is introduced, the gas-state organic pollutants released by the heated materials escape along with the carrier gas, are collected through a pipeline and are output to a condenser pipe for condensation, the condensed gas-state organic pollutant flue gas is divided into two paths which are respectively introduced into a first absorption system and a second absorption system, and characteristic gas-state organic pollutants are separated from the flue gas; and (2) enriching and separating the collected absorption liquid of the gas-state pollutant, and detecting the liquid in a detection system. The method can serve as an operating method for researching a release rule of the gas-state organic pollutants in the process of heating multiple materials such as sludge, tobaccos and industrial production solid wastes.