46results about How to "Visual assessment" patented technology

The invention discloses an in-vitro intervention embolism therapy simulation system which comprises a micro-vessel simulation area, a blood flow simulation area and a pressure monitoring area. The micro-vessel simulation area is placed in a constant temperature device and communicated with the blood flow simulation area through a pipeline, the pressure monitoring area is used for monitoring a pressure value in the pipeline, and the micro-vessel simulation area comprises a micro-fluidic chip. According to the in-vitro intervention embolism therapy simulation system, the difference of terminal embolism performances is quantified by observing pipeline classification in the chip plugged by different embolism agents, so that the terminal embolism performances of the different embolism agents can be more visually evaluated, and a simpler and more convenient data accumulation program is provided for research and development persons. Besides, the performances of the embolism agents are more effectively understood, clinical risk is reduced, blood flow washing resistance effects of the different embolism agents can be accurately analyzed in the pressure monitoring area under different conditions, so that embolism strength is evaluated in vitro, and blood vessel recanalization time can be monitored.

The invention discloses a power transformer winding deformation on-line detection method based on pulse coupling injection, and belongs to the technical field of electrical equipment on-line detection. The method comprises the steps that (1) a high-voltage nanosecond square-wave pulse generator generates high-voltage nanosecond pulse signals; (2) the high-voltage nanosecond pulse signals are injected into a protection circuit through signal injection and transmitted into a transformer signal sensor installed on a transformer casing pipe to be coupled to a winding; (3) a data acquisition module acquires the high-voltage nanosecond pulse signals and current response signals of the neutral point of the tail end of the winding and converts the high-voltage nanosecond pulse signals and the current response signals into digital signals; (4) a data processing module carries out Fourier transformation on the digital signals, works out a frequency-response curve of the winding, calculates characteristic parameters such as the correlation coefficient and the standard deviation of the frequency-response curve and judges the deformation degree of the transformer winding. By means of the method, non-intrusive on-line detection of winding deformation can be achieved. In addition, the method has the advantages that the detection speed is high, damage to an electric system is avoided, and the cost is low.

The invention provides an intelligent network connecting test system based on a cross-layer collaborative framework for vehicles. An integrated verification and evaluation system which is comprehensive, multimodal, full synchronizing and large scale for the vehicle intelligent network connecting tests is formed by the cross-layer collaborative framework of a sensing layer, a communication layer, an interaction layer, a computation layer and a decision-making layer. The system of the invention overcomes the defects that safety guarantee and large-scale verification are difficult to realize or form in the prior art of testing.

What is provided is a device and method for gentling equine, other animals, and in some cases a human of which is obtained through the actions of massage, grooming and pole-gentling methodologies and protocols in which it is thoroughly and effectively enabled by an apparatus comprised of three essential hand-tool components: the elongated extension-pole control handle, the cylindrical nodulated massage / gentler tool-head attachment shaft that emits auto-mechanical vibration stimulus, and the cylindrical cone-shaped bristle covered massage / gentler, groomer, exfoliator, tool-head attachment shaft which provides dander exfoliation, body and leg stimulus. Used regularly in succession or independently, animal gentling, animal health and core relationship foundations can be achieved and maintained. The present invention provides a more practical, convenient, ergonomic, physical and psychological stress-reduction, and safer method and means to care for and manage feral and domesticated animals, and in some instances in use of massage therapy on humans.

The invention relates to a method for assessing counterforce, in particular to a method for assessing the capacity of a ship countering a magnetic mine. The method for assessing the capacity of the ship countering the magnetic mine comprises the steps that through analysis of the actual measurement condition and analog of a computer, an optimal subdivision scheme of a boundary face is searched for through an intelligent optimization algorithm, so that under the poor measurement condition, accurate continuation of a flat magnetic field of the ship is achieved, and depth calculation is conducted through a boundary integral method, so that depth distribution of the magnetic field below the ship is obtained; through comprehensive analysis of a mine magnetic detonator working system, magnetic detonator movement parameters and a countering assessment index and through the computer analog technology, a ship and magnetic mine countering simulation model is established, the magnetic protective capability of the ship is comprehensively assessed, and a credible assessment conclusion is obtained. The method for assessing the capacity of the ship countering the magnetic mine has the advantages that the continuation accuracy of the flat magnetic field of the ship can be effectively improved under the poor measurement condition; through establishment of the assessment indexes of the mine touch width and a mine touch zone, the capacity of the ship countering the magnetic mine can be visually and effectively assessed.

The invention relates to a risk oriented hazard analysis method for a chemical process device. The risk oriented hazard analysis method is mainly used for solving the problems that in the prior art, when risk oriented hazard analysis is carried out on a chemical process device, time consumption is high, and investment is large. By the adoption of the risk oriented hazard analysis method for the chemical process device, the safety integrity level is determined when a safety instrument system is taken as a protective measure; when the safety evaluation on the functions of the safety instrument system is carried out, a risk graph is used for analyzing the risks related to danger sources, a set of risk parameters are used for evaluating the risk levels, a risk level is assigned to each danger source, and an improved and extended ROHA process risk graph is used for determining the safety integrity level. The risk oriented hazard analysis method is characterized in that according to the technical scheme shown in the ROHA process risk graph (shown in figure 1), the problems are effectively solved, and the risk oriented hazard analysis method can be used for risk oriented hazard analysis of the chemical process device.

The embodiment of the invention discloses a hard disk detection method and device, a storage medium and a terminal, which is applied to the technical field of hardware security. The method comprises the steps of obtaining hard disk data; obtaining binary classification output of the hard disk through an optimal support vector machine model according to the hard disk data, and judging whether the hard disk is a first type hard disk or not; if yes, obtaining a risk coefficient of the first type of hard disk, wherein the risk coefficient is obtained according to hard disk data; and inputting thehard disk data of the first type of hard disk and the risk coefficient into a risk estimation model to obtain a damage risk value of the hard disk. And the damage risk of the hard disk can be judged according to the specific damage risk value, thereby being more accurate and visual.

The invention discloses a new energy grid-connected system voltage support strength evaluation method and system. The method comprises the steps of determining a first short-circuit ratio index of the new energy grid-connected system based on short-circuit capacity provided for a grid-connected point by an alternating current system in the new energy grid-connected system and equivalent grid-connected capacity of new energy at the grid-connected point; determining a second short-circuit ratio index of the new energy grid-connected system based on the voltage variation at the new energy access grid-connected point; determining a critical short-circuit ratio of the new energy grid-connected system based on parameters of the alternating current system and the equivalent maximum transmission power transmitted to the alternating current system by the new energy; and based on the first short-circuit ratio index, the second short-circuit ratio index and the critical short-circuit ratio, determining the voltage support strength provided by the new energy grid-connected system at the grid-connected point by using a preset voltage support strength evaluation rule.

The invention discloses an intelligent examination system. An electronic admission ticket records personal information of a student, an information inputting device inputs the personal information of the student in the electronic admission ticket, an electronic information acquisition module acquires the personal information of the student recorded inside the electronic admission ticket, an image acquisition module acquires portrait information of the student taking the examination on the current terminal computer, the terminal computer sends the acquired personal information of the student sent by the electronic information acquisition module and the acquired portrait information of the student sent by the image acquisition device to the server for comparison, an examination paper sent by the server is displayed, the server compares the portrait information acquired by the image acquisition module and the personal information of the student acquired by the electronic information acquisition module, the comparison result is sent to the terminal computer, and the examination paper with questions answered is judged. The above system is simple to operate and convenient to use, the student identity authentication accuracy is high, and practicality is high.

The invention relates to a tester used for testing fluid resistance height of a proppant and a testing method thereof. The tester comprises a measuring device, a fluid level sensor and a processer, wherein the measuring device comprises a material containing part used for containing a to-be-measured proppant and a fluid containing part used for containing testing fluid, the fluid containing part is communicated with exterior, and the material containing part is made of dewatering materials; the fluid level sensor is used for being embedded at a position near the upper surface of the to-be-measured proppant; and the processer is used for receiving signals sent by the fluid level sensor and obtaining the height, namely, the fluid resistance height of the testing fluid contained in the fluid containing part when the fluid level sensor senses the testing fluid. According to the tester used for testing the fluid resistance height of the proppant, simulation of formation conditions is not needed, the fluid resistance height of the testing fluid passing through the proppant with scheduled filling thickness can be tested visually under the ordinary pressure condition, and therefore the fluid resistance performance of the proppant can be estimated visually and accurately. Different proppants have different fluid resistance heights under the same testing condition, the higher the values of the fluid resistance heights are, the better the fluid resistance performance is, and the lower the values of the fluid resistance are, the worse the fluid resistance performance is.

The invention discloses a vacuum circuit breaker state evaluation method and system based on radiation electromagnetic wave detection. The method comprises the following steps: acquiring a radiation electromagnetic wave signal generated by a vacuum circuit breaker to be subjected to state evaluation in a switching-on and switching-off process; acquiring the pulse number or pulse decay time of the radiation electromagnetic wave signal; and comparing the acquired pulse number or pulse decay time with a preset pulse number threshold value or pulse decay time threshold value to complete state evaluation of the vacuum circuit breaker. The method achieves the evaluation of the internal state of the arc extinguish chamber of the vacuum circuit breaker based on the pulse number or pulse decay time of the radiation electromagnetic wave signal through an electrical detection means, and has the advantages of being visual, simple, rapid, efficient and the like.

The invention relates to the technical field of base magnetic refrigeration materials, and discloses a method for assessing content of impure phases in a LaFeSi-base magnetic refrigeration material. The method comprises the following steps that XRD detection is carried out on a plurality of LaFeSi-base magnetic refrigeration material samples with the content of the impure phases being 3-12%, the sample with the content of the impure phases being 3%, the sample with the content of the impure phases being 6%, the sample with the content of the impure phases being 9% and the sample with the content of the impure phases being 12% are screened out, a standard permanent magnet detection block with the mass being X1, a standard permanent magnet detection block with the mass being X2, a standard permanent magnet detection block with the mass being X3 and a standard permanent magnet detection block with the mass being X4 are acquired and manufactured, an impure phase content assessment form is formulated, the LaFeSi-base magnetic refrigeration material to be detected is taken and fixed to a lifting rod and makes contact with the standard permanent magnet detection block with the mass being X1, the standard permanent magnet detection block with the mass being X2, the standard permanent magnet detection block with the mass being X3 and the standard permanent magnet detection block with the mass being X4 in sequence, and the content of the impure phases is assessed according to whether the permanent magnet detection blocks are attracted to the LaFeSi-base magnetic refrigeration material or not. The method has the advantage that the content of the impure phases in the LaFeSi-base magnetic refrigeration material can be quickly, efficiently and visually assessed.

The invention discloses an airborne SAR interference effect simulation method under high-energy microwave interference, and the method comprises the steps: building an airborne SAR radar travel-stop geometric model, carrying out the quick radio frequency echo simulation based on a concentric circle algorithm, and simulating a nonlinear suppression effect on a target echo signal when a high-energymicrowave enters a receiver through building a receiver channel model; and finally, performing imaging analysis by using a distance Doppler algorithm. The airborne SAR software simulation method is high in efficiency and low in cost. According to the invention, the high-energy microwave effect applied to a device-level hardware experiment is converted into the nonlinear suppression effect considered during signal-level software simulation to simulate the influence of high-energy microwaves on the final imaging result, the cost is low, and the flexibility is high.

The invention discloses a three-dimensional attitude prediction method based on pseudo-image sequence evolution. The method comprises the following specific steps: step 1, inputting a joint point coordinate sequence; step 2, converting the joint point coordinate sequence into an image sequence, dividing a human body, and converting the image sequence to obtain a pseudo image sequence; step 3, constructing a sequence-to-sequence model, and predicting a future attitude sequence according to the pseudo-image sequence of the historical attitude; and step 4, outputting an articulation point coordinate sequence of the future attitude sequence. The invention provides a three-dimensional attitude prediction method based on pseudo-image sequence evolution. The method has (1) a new skeleton representation, and an attitude prediction problem being modeled as a video prediction problem; and (2) a new structure PISEP2, which predicts all future frames in a non-recursive manner, can effectively avoid error accumulation and improve the calculation efficiency.

The invention relates to an online handwritten Chinese character recognition algorithm and a visual key stroke evaluation method, and belongs to the technical field of mode recognition. According to the local self-attention mechanism provided by the invention, the attention weight corresponding to the state of the hidden layer at each moment can be generated through the neural network, and the recognition precision of online handwritten Chinese characters can be effectively improved through the attention mechanism. The invention provides a visual key stroke evaluation method in online handwritten Chinese character recognition, and the method comprises the steps: displaying strokes (track points or track segments), which play a key role in recognition, in input character sample track coordinates through a weight generated by a self-attention mechanism; key strokes in an online handwritten Chinese character sample can be evaluated more visually, and the mode of learning the character sample through the neural network is analyzed.

The invention provides a method for evaluating the effectiveness of chimeric antigen receptor-T (CAR-T) cells. According to the method, by co-culturing tumor organs and the CAR-T cells, related cytokines are detected and the interaction between the tumor organs and the CAR-T cells and the morphological change of killed cells are microscopically observed to evaluate the effectiveness of the CAR-T cells, and whether the CAR-T cells have a killing effect on tumor organs or not can be evaluated more visually, accurately and comprehensively; and the method has relatively high accuracy, reproducibility and simplicity and convenience in operation.

The invention relates to a psychological assessment method and system with a visual assessment result. Comprising the steps of logging in an interface to collect information, storing the information in a local database, and entering a psychological assessment selection interface; checking a psychological assessment list, and selecting psychological assessment; the psychological assessment operation interface performs psychological assessment item selection, and selects'submission 'to exit the assessment after the assessment is completed; the evaluation data is stored in a database, the data is processed, a visual chart is generated, and a report is generated and printed; and the psychological evaluation selection interface has a'query 'function, an evaluation report in a time period is queried, and the report is printed. According to the psychological evaluation method and system with the visual evaluation result, the psychological evaluation process is simplified, the psychological evaluation result is presented in the form of a chart, the test result of the subject within a time period can be displayed, and the psychological state of the subject can be evaluated more visually and dynamically.

The invention discloses a development intensity evaluation method, device and equipment for land planning. The evaluation method comprises the following steps: acquiring land planning data and road network planning data of a land to be evaluated; extracting a normalized plot ratio and a road network planning index of the land to be evaluated according to the land planning data and the road network planning data; inputting the normalized plot ratio and the road network planning index into a pre-constructed land intensity and road network planning index coordination evaluation model to obtain a coordination evaluation result; and according to the coordination evaluation result, evaluating the development intensity of the land to be evaluated, and by establishing a land intensity and road network planning index coordination evaluation model, rapidly and intuitively evaluating the quantitative matching relation between the planned land plot ratio and the road network index. And rationality and working efficiency of land development intensity in planning compilation of types such as detailed planning and city updating are improved.

The invention discloses an application method of a regular expression in automatic subjective question modification in computer teaching, which comprises the following steps: S1, a student inputs and submits subjective answer content of subjective questions through an answer module, and the subjective answer content is submitted to a question bank at the moment; s2, a rule module sets a correction rule of a regular expression, obtains the correction rule of the regular expression, and obtains subjective answer content of students through a screening and extracting module after the subjective answer content submitted by the students is sent to a question bank; and S3, the subjective answer content of the student is corrected according to the binding situation of the subjective test questions and the correction rules of the regular expression, then a correcting result is outputted and the teacher knows the answers of the students. According to the invention, traditional teachers can correct and inquire answers of students one by one and then automatically consult the answers, the pressure of the teachers is reduced in the teaching process, the question correcting efficiency is improved, and the teachers and the students can more visually evaluate wrong questions, so that the learning efficiency and effect of the students are improved.

The invention provides a control part layout design and evaluation method and device, a control box, engineering machinery and a storage medium, and relates to the technical field of engineering machine.The method comprises the steps of generating constraint data, acquiring control sample data based on signal data, and acquiring control data based on the control sample data; and obtaining a control flow model corresponding to control pieces according to constraint data and control data, obtaining levels of the control pieces according to the constraint data and the control data, and generatinga control piece layout design scheme corresponding to specified areas according to the constraint data, control flow models and the levels of the control pieces. According to the method and device, the control box, the engineering machine and the storage medium, layout design can be conducted on the control pieces, meanwhile, the layout design scheme can be evaluated, effectiveness and comfort ofcontrol layout are guaranteed, and the beneficial effects of being simple, visual and effective for evaluation of the design scheme are achieved.

The invention discloses an online detection method for winding deformation of a power transformer based on pulse coupling injection, and belongs to the technical field of online detection of electric power equipment. The method comprises the following steps: 1) a high-voltage nanosecond square wave pulse generator generates a high-voltage nanosecond pulse signal; 2) the high-voltage nanosecond pulse signal is transmitted to a transformer signal sensor installed in a transformer bushing through a signal injection and protection circuit, and the The nanosecond pulse signal is coupled to the winding; 3) the data acquisition module collects the high-voltage nanosecond pulse signal and the current response signal of the neutral point at the end of the winding, and converts it into a digital signal; 4) the data processing module processes the digital signal. Liye transform, obtain the frequency response curve of the winding, and calculate the characteristic parameters such as the correlation coefficient and standard deviation of the frequency response curve, and judge the deformation degree of the transformer winding. The method can realize the non-invasive on-line detection of winding deformation, and has the advantages of fast detection speed, no damage to the power system, low cost and the like.

The invention discloses an airborne SAR interference effect simulation method under high-energy microwave interference, comprising the steps of: establishing an airborne SAR radar stop-and-go geometric model, performing fast radio frequency echo simulation based on a concentric circle algorithm, and establishing a receiver channel model, It is an efficient and low-cost airborne SAR software simulation method that simulates the nonlinear suppression effect of the target echo signal when the high-energy microwave enters the receiver, and finally uses the range-Doppler algorithm for imaging analysis. The invention converts the high-energy microwave effect received during the device-level hardware experiment into the nonlinear suppression effect considered during the signal-level software simulation to simulate the influence of the high-energy microwave on the final imaging result, with low cost and high flexibility.

The invention relates to a method for assessing counterforce, in particular to a method for assessing the capacity of a ship countering a magnetic mine. The method for assessing the capacity of the ship countering the magnetic mine comprises the steps that through analysis of the actual measurement condition and analog of a computer, an optimal subdivision scheme of a boundary face is searched for through an intelligent optimization algorithm, so that under the poor measurement condition, accurate continuation of a flat magnetic field of the ship is achieved, and depth calculation is conducted through a boundary integral method, so that depth distribution of the magnetic field below the ship is obtained; through comprehensive analysis of a mine magnetic detonator working system, magnetic detonator movement parameters and a countering assessment index and through the computer analog technology, a ship and magnetic mine countering simulation model is established, the magnetic protective capability of the ship is comprehensively assessed, and a credible assessment conclusion is obtained. The method for assessing the capacity of the ship countering the magnetic mine has the advantages that the continuation accuracy of the flat magnetic field of the ship can be effectively improved under the poor measurement condition; through establishment of the assessment indexes of the mine touch width and a mine touch zone, the capacity of the ship countering the magnetic mine can be visually and effectively assessed.

The present invention provides a method for automatic quantitative analysis of blood flow in intracranial and extracranial vascular anastomosis, comprising the steps of: S1, extracting a frame of video images from the preoperative and postoperative ICG-VA videos of several patients; S2, training a multi-task Unet network, It is used to segment all blood vessels and recipient blood vessels in a frame of ICG-VA video image; S3, based on the trained network, segment all blood vessels and recipient blood vessels of a frame of video images of patients before and after surgery; S4, based on sift Algorithm, registering the preoperative and postoperative video images of the patient; S5, analyzing the blood flow direction of the recipient vessel before and after the patient based on the HS optical flow method. The invention can not only analyze the blood perfusion of recipient blood vessels, but also automatically detect and match the blood vessels in the images before and after surgery, measure the blood flow direction and intensity curve of any blood vessel, and provide the corrected blood perfusion change diagram before and after surgery , enabling the operator to visually assess changes in blood perfusion caused by the anastomosis.

The invention discloses a mobile communication base station use situation evaluation method and system. The evaluation method comprises the steps that corresponding base station evaluation basic data are acquired from a base station database according to a determined evaluation region, and the base station evaluation basic data are divided into macro indicator data and micro indicator data; multiple macro indicators and multiple micro indicators are calculated by aiming at the acquired macro indicator data and the micro indicator data; the macro indicators and the micro indicators are compiled and displayed as corresponding data graphs; and an evaluation report is made for the use situation of the base station in the evaluation region by aiming at the macro indicator data, the micro indicator data and the complied and displayed data graphs. The use situation of the mobile communication base station in the evaluation region can be comprehensively and visually evaluated from the macro and micro aspect, and the frequency use efficiency can be comprehensively analyzed from different dimensions of time, frequency, space and technology so that the use situation of the base station broadband wireless frequency resources can be reflected and the basis for effectively mastering the base station construction situation can be provided.

The invention discloses a rotary steering tool steering efficiency evaluation method and device, computing equipment and a storage medium. According to the technical scheme provided by the invention, real-time output guiding parameters and target guiding parameters of the rotary guiding tool during underground operation are obtained; generating a guide parameter visual chart according to the output guide parameter and the target guide parameter; vector calculation is carried out on the output guiding parameters and the target guiding parameters, the comprehensive guiding efficiency of the output guiding parameters is determined, and a comprehensive guiding efficiency visualization chart and a comprehensive guiding efficiency quantification chart are generated; and analyzing the guiding parameter visualization chart, the comprehensive guiding efficiency visualization chart and the comprehensive guiding efficiency quantification chart, and evaluating the guiding efficiency of the rotary guiding tool. According to the method, the guiding efficiency in the operation process can be accurately evaluated by analyzing the output guiding parameters and the target guiding parameters of the rotary guiding tool.

The invention discloses an internal fixation device of a pedicle screw screw rod with a positioning tip as an inner core. The present invention includes a connecting rod, a pedicle screw body and a pin. The connecting rod is cylindrical; scale lines are arranged on the side surface of the connecting rod. The main body of the pedicle screw includes a disengagement part, a locking part and a screw part which are connected in sequence. The locking portion includes a locking disc and two locking lugs. The two locking lugs are respectively connected with the two side edges of the locking disc. When mounted on the body, the connecting rod is located between the two locking ears. The locking portion can be fixed and disengaged from different positions of the connecting rod. The outer end portion of the screw portion is sharp. The main body of the pedicle screw is provided with a central hole penetrating the screw portion and the locking disc for matching with the pin. The disengagement portion can be separated from the locking portion.

The invention discloses a method for evaluating aircraft cockpit vision. The aircraft cockpit visual field evaluation method includes the following steps: Step 1: Establish the pilot's visual field range surface in the three-dimensional model; Step 2: Construct the pilot's visual field envelope surface in the three-dimensional model; Step 3: Obtain the pilot's eye position coordinate system A pilot's view map that meets the field of view requirements of civil aircraft cockpits; Step 4: Obtain the pilot's actual view map in the pilot's eye position coordinate system in the three-dimensional model to form an evaluation three-dimensional model; Step 5: Scale and combine the design requirements view map Bring it into the evaluation three-dimensional model to evaluate the pilot's vision. The aircraft cockpit visual field rapid evaluation method of the present invention directly converts the pilot's visual field diagram required by the design standard into the pilot's eye position coordinate system, making the visual field assessment more intuitive and simple.

The invention discloses a transfer orbit family initial value searching method and system based on a collision zone atlas. The method comprises the steps: applying tangential disturbance to a point on a target orbit, carrying out the integration of a disturbance orbit, marking the disturbance orbit which can impact a main celestial body, and drawing a collision zone atlas between the main celestial body and the target orbit; respectively taking a preset speed increment interval on two sides of each collision zone, randomly taking a plurality of sampling disturbance orbits from the speed increment intervals, and integrating the sampling disturbance orbits to a parking orbit; marking a position direction angle and a speed direction angle when the sampling disturbance orbit intersects with the parking orbit; performing linear interpolation on the speed increment to find out a transfer orbit initial value tangent to the parking orbit and the target insertion point. According to the method, the distribution positions of various tangential transfer families are systematically estimated, the orbits of various transfer types are quickly searched, the number of the tangential transfer orbits of various types is systematically and intuitively evaluated, and a proper initial value is provided for subsequent accurate solution of the transfer orbits.