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53results about How to "Improve determination speed" patented technology

Comprehensive energy market competition strategy determination method, device and equipment and storage medium

The invention discloses a comprehensive energy market competition strategy determination method, device and equipment and a storage medium. The method comprises the steps that a double-layer optimization model of a comprehensive energy market competition strategy is constructed; wherein the upper-layer model of the double-layer optimization model is a competition strategy optimization model whichtakes energy selling price data, energy quotation data and energy demand quantity data as decision variables for a comprehensive energy service provider, and the lower-layer model of the double-layeroptimization model comprises an energy market clearing model and a user response model based on price demand elasticity; performing structure conversion on the double-layer optimization model to obtain a single-layer linear constraint quadratic programming problem; and determining an optimal competition strategy of the comprehensive energy market based on the quadratic programming problem. By means of the technical scheme, the purpose of determining the optimal competition strategy of the comprehensive energy market is achieved, and the method has the advantages of being high in processing speed and high in precision.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1

Identity identification method and device, equipment and storage medium

InactiveCN108664915AImprove the speed of identificationQuick fixAcquiring/recognising eyesPupilGrey level
The embodiment of the invention discloses an identity identification method and device, equipment and a storage medium. The method comprises the following steps that: obtaining a grey level histogramcorresponding to the grey level image of an eye image; according to the wave crest positions of a pupil and an iris in the grey level histogram, determining a first grey level threshold value, and according to the first grey level threshold value, determining an iris mask image; according to the projection of the iris mask image on a two-dimensional coordinate axis, determining pupil parameters; if an internal and external eccentricity determined on the basis of the pupil parameters is not greater than a preset eccentricity threshold value, according to the projection of the grey level image on the two-dimensional coordinate axis, and the first grey level threshold value, determining the internal boundary parameter of the iris; according to the internal boundary parameter, determining theiris external boundary parameter in the grey level image; and according to the internal boundary parameter and the external boundary parameter, determining an iris area in the grey level image, and carrying out identity identification on the basis of the iris area. By use of the method, the technical problem of poor identity identification means instantaneity on the basis of the iris in the priorart is solved, and the speed of identity identification based on the iris is improved.
Owner:SHENZHEN HUIYE COMM TECH +1

Lens distortion compensation method and device, and storage medium

The embodiment of the invention discloses a lens distortion compensation method and device, equipment and a storage medium. The lens distortion compensation method comprises the following steps: acquiring current acquisition parameters of image acquisition equipment, wherein the current acquisition parameters comprise a lens parameter, an aperture parameter and a distance parameter; determining atarget correction coefficient curved surface of the image acquisition equipment according to the current acquisition parameters; and performing brightness compensation on a to-be-compensated image acquired by the image acquisition equipment according to the target correction coefficient curved surface. According to the embodiment of the invention, when the acquisition parameters of the image acquisition equipment are changed; the correction coefficient of the image acquisition equipment under the current acquisition parameter can be obtained without carrying out flat field correction on the image acquisition equipment; the determination speed of the correction coefficient of the image acquisition equipment can be improved, the lens distortion compensation speed of the image acquisition equipment is further improved, and manpower and material resources consumed by lens distortion compensation of image acquisition parameters are reduced.
Owner:华兴源创(成都)科技有限公司

Industrial network anomaly determination method and device, computer equipment and storage medium

The invention relates to the technical field of Internet, in particular to an industrial network anomaly determination method and device, computer equipment and a storage medium, and the method comprises the steps: determining a plurality of collection time periods of target equipment; determining a packet loss rate corresponding to each acquisition time period; comparing the packet loss rate corresponding to each acquisition time period with a packet loss threshold value, and determining the acquisition time period with the packet loss rate greater than the packet loss threshold value as an abnormal time period; determining a remaining time period set; determining a total time delay value set corresponding to the remaining time period set, and determining a network fluctuation value G corresponding to the remaining time period set according to the total time delay value set; and determining a network abnormal condition corresponding to the remaining time period set according to the network fluctuation value and the fluctuation threshold value corresponding to the remaining time period set. According to the method and the device, the abnormal time periods can be quickly screened through the packet loss threshold, and meanwhile, the data volume needing to be calculated in the remaining time period set after the packet loss threshold is screened is reduced, so that the determination speed of the network abnormal condition can be further improved.
Owner:山东云天安全技术有限公司

Method and device for determining wind speed distribution of surface of heat exchanger and air conditioning equipment

The invention is applicable to the technical field of wind speed distribution determination, and provides a method and device for determining wind speed distribution of the surface of a heat exchanger and air conditioning equipment. The method comprises the following steps: determining a static pressure prediction value; determining a first pressure field; determining candidate wind speed distribution of the surface of the heat exchanger according to the structural parameters of the heat exchanger and the first pressure field; according to the structure parameters and the candidate wind speed distribution of the heat exchanger, determining one-dimensional vertical direction speed distribution of the flow channel section of the heat exchanger; determining a second pressure field according to the speed distribution in the vertical direction, the structure parameters and the air density; if the difference between the first pressure field and the second pressure field is smaller than a preset value, determining the total air volume of the heat exchanger and the corresponding fan static pressure; and if the difference between the static pressure of the fan and the static pressure prediction value is smaller than a preset value, taking the candidate wind speed distribution as final wind speed distribution of the surface of the heat exchanger. Through the method, the determination speed of wind speed distribution can be improved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Building deflection determination method and device and electronic equipment

The invention discloses a building deflection determination method and device and electronic equipment. The method comprises the following steps: acquiring a reference image and at least one to-be-measured image of a target building; and performing correlation matching on the to-be-detected images according to the template images in the reference image, determining target matching areas corresponding to the to-be-detected images, and determining the deflection of the target building based on the position change of the target matching areas corresponding to the to-be-detected images and the template images so as to determine the deflection of the target building based on image matching. According to the embodiment of the invention, the invention improves the accuracy of the determined building deflection while improving the determination speed of the building deflection, is suitable for the measurement of the deflection of a building with lower contrast, and is also suitable for the determination of the deflection in a scene with a harsh measurement environment.
Owner:杭州鲁尔物联科技有限公司

Method and device for measurement of pulse pressure difference

The invention is applicable to the field of medical monitoring, and provides a method and device for the measurement of pulse pressure difference. The method includes the following steps that a photocurrent signal of artery transmission is obtained, and according to the photocurrent signal, a volume wave signal is extracted; according to the volume wave signal, the volume variation quantity is determined; according to the corresponding relation between the volume variation quantity and the blood pressure variation quantity, the pulse pressure difference is determined. By means of the method, the determination speed of the pulse pressure difference can be improved.
Owner:EDAN INSTR

Stem cell position storage determination method and device in liquid nitrogen storage system

The present invention provides a method and device for determining the location of stem cells in a liquid nitrogen storage system, comprising: extracting received input data, the input data including the first quantity information of stem cells to be stored and attribute information of each stem cell; obtaining The one-dimensional data in the stem cell position storage table at the current moment, the one-dimensional data includes the second quantity information of the stem cells that can be stored in each liquid nitrogen tank in the liquid nitrogen storage system; it is determined according to the first quantity information and multiple second quantity information Target liquid nitrogen tank; obtain the two-dimensional data corresponding to the target liquid nitrogen tank in the stem cell location storage table at the current moment to determine the target layer address information; assign corresponding target layer address information to the stem cells to be stored based on the attribute information of each stem cell; The target layer address information and attribute information corresponding to each stem cell are updated and stored in the stem cell location storage table based on the received determination information.
Owner:JIANGSU HEZE STEM CELL GENE ENG CO LTD
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