33results about How to "Quick and effective identification" patented technology

The invention discloses a method for identifying a mixture component based on similarity under a raman spectrum, and relates to the technical field of component analysis; the method comprises the following steps of collecting raman spectrums of a pure substance and a mixture to be identified, aiming at different characteristics of the pure substance and the to-be-identified mixture, a characteristic peak is searched for by adopting continuous wavelet transformation with different wavelet as a master wavelet function, so that accurate identification is realized; characteristic vector groups are extracted from the found characteristic peaks, so as to carry out similarity calculation on the pure substance and the to-be-identified mixture so as to preliminarily screen out the candidate pure substance; after the spectral data of the candidate pure substances are subjected to displacement correction, a final component recognition result is obtained by utilizing non-negative least squares; the whole process does not need manual participation, and can be rapidly and effectively applied to the identification of the mixture components, so that the precision ratio and the recall ratio of the mixture identification are improved to a certain extent, and the method has the characteristics of being rapid and lossless, simple in implementation process, accurate in identification result and the like.

The invention discloses a communication number identification control method and device, and a communication terminal. The communication number identification control method comprises the following steps of receiving a communication number which is submitted to a server by the communication terminal based on a trusted connection; querying records associated with the communication number within the scheduled time range in call records and / or short message records corresponding to a plurality of pre-associated users, and determining the communication number as a communication loss number when a query result is empty; and feeding result information that the communication number is the communication loss number back to the communication terminal. Through processing of the invention to determine whether the communication number is the communication loss number quickly and effectively, the efficiency of using the communication number is improved and the user experience is promoted.

The invention discloses a self-inspection method and system for an engine electronic injection executer. The method comprises the following steps that a, a self-inspection signal is sent to the executer of an engine electronic fuel injection system; b, whether a fault exists in the executer or not is judged according to a feedback signal of the executer; and c, a detection result is displayed. The system comprises the engine electronic injection executer, a self-inspection controller and a display module. By means of the method and system, the fault of the electronic injection system executer can be rapidly and effectively recognized, the fault reason is displayed, it is ensured that a user masters the work state of the electronic injection system of a whole vehicle immediately, and the traveling safety is guaranteed.

The present invention is applicable to information processing technologies and provides a method, system, intelligent terminal and storage medium for information recommendation, wherein, the method includes: uploading contact information to a server, by an intelligent terminal; storing the contact information uploaded by the intelligent terminal and acquiring a social account number of a user of the intelligent terminal, by the server; acquiring friend information of the social account number according to the social account number, and matching the acquired friend information with the contact information, then returning the friend information which is successfully matched to the intelligent terminal, by the server; receiving and storing the friend information which is successfully matched, and recommending the friend information which is successfully matched to the user of the intelligent terminal, by the intelligent terminal; and the friend information which is successfully matched including information that has not been set in the contact information of the intelligent terminal. The present invention can help users to complete information of contacts in address list of intelligent terminals to solve the problem that in the address list of existing intelligent terminals the contact information is incomplete.

The invention discloses a pedestrian attribute recognition method based on a multi-temporal attention model. The pedestrian attribute recognition method comprises the steps: obtaining image features and attribute features; constructing text supervision features, fusing two combination results of the image features and the attribute features, and cascading the attribute features to serve as attribute supervision; constructing a multi-temporal attention mechanism, namely constructing an alignment model of the attention mechanism by utilizing hidden layer vectors at two moments, and then jointlycarrying out weight optimization on image features; taking the text supervision feature and the context vector as additional input of a long-term and short-term memory model to obtain a hidden layer vector containing pedestrian attribute information; and obtaining a pedestrian attribute recognition probability; and optimizing the pedestrian attribute recognition probability. The pedestrian attribute recognition method can quickly and effectively recognize the attributes of different pedestrians in a real monitoring scene, plays an important role in promoting other deep learning fields, such aspedestrian retrieval and pedestrian re-recognition, and also plays a great positive role in building a safe city and perfecting a city monitoring system.

The invention discloses a high-risk customer identification method and system and a storage medium. The method comprises the steps that public activity period transaction data and opponent customer information data are acquired, a company customer transaction detail table is generated in a relational database, the company customer transaction detail table is preprocessed, and an account-level fundtransaction table and a customer-level fund transaction table are generated after preprocessing; converting the account-level fund transaction table and the client-level fund transaction table into format files which can be identified and correspond to a visual analysis tool, performing visual analysis processing on the format files, and identifying high-risk clients through preset conditions after the visual analysis processing. Therefore, the technical problems of relatively high misjudgment rate and omission ratio and relatively long consumed time in related technologies are solved, and the beneficial effect of quickly and effectively identifying high-risk customers is achieved.

The invention relates to a rotary machine vibration frequency discrimination method, which comprises the following steps: vibration speed and displacement are successively measured at a same measuring point of a rotary machine by the utilization of a portable vibrometer, and actual rotary speed xi of the rotary machine equipment is measured; according to S=27020*V measurement / D measurement, the value of speed equivalent S is calculated; by the utilization of eta=S / xi, the value of eta is calculated; according to the value of eta, whether vibration frequency of the rotary machine is low frequency, high frequency or rotational frequency is discriminated; and according to the discrimination result of the vibration frequency, the reason of the vibration fault and the fault position can be traced rapidly and accurately. By the method, it brings great convenience for working condition and repair work of the rotary machine; repair work efficiency of workers is greatly raised; shutdown and work delay frequency and time of the machine set are minimized; and continuity and stability of the whole production are guaranteed.

The invention provides a network layer DDOS attack source identification method, comprising: when the detection server detects that the first server is attacked by DDOS, obtains the DDOS attack packet from the first server, and extracts the attack source IP address and the attack source in the DDOS attack packet The TTL value of the IP address; send a probe command containing the attack source IP address to the second server; receive the probe response packet returned by the second server according to the probe command, and extract the probe source IP address and the TTL of the probe source IP address in the probe response packet and determine whether the difference between the TTL value of the attack source IP address and the TTL value of the detection source IP address is greater than the preset value, if so, then determine that the attack source IP address is a forged IP address, if not, then determine the attack source IP The address is a real IP address. In addition, the present invention also provides a network layer DDOS attack source identification device and system. The above-mentioned network layer DDOS attack source identification method, device and system can quickly and effectively identify the network layer DDOS attack source.

The invention relates to a method for detecting faults in the fuel delivery of an internal combustion engine (100) in which intake manifold injection and direct injection are provided, wherein a high-pressure system is provided for the direct injection, the high-pressure system including a high-pressure accumulator fuel injector (112) and fuel injector (111) for each combustion chamber (103) of the internal combustion engine (100, 200) for metering fuel from the high-pressure accumulator (112), wherein, when direct injection is not When a deviation of the fuel-air-ratio from a predetermined value in at least one of the combustion chambers (103) is detected, the pressure in the high-pressure accumulator (112) is checked, and wherein, when a high-pressure In the event of an undesired pressure drop in the pressure accumulator (112), a fault in the high pressure system during combustion delivery is inferred.

The invention belongs to the field of coal field geology, and relates to a method for quickly identifying coal and natural coke based on well logging curves. Firstly, the well logging curves are selected for drilling, and the coal and natural coke are determined based on macroscopic characteristics and coal sample analysis results in cored boreholes. The stratum and thickness of natural coke, and then on the basis of the determined natural coke and coal, find out the borehole logging curve, read out the data of different logging curves of coal and natural coke, and record them at the same time, and then according to different The maximum and minimum values ​​of the logging curve, determine the distribution range of the coal and natural coke logging curves, and establish the coal and natural coke logging response value change table, and then predict the coal or natural coke that only has logging data, and realize coal and natural coke. Rapid identification with natural coke; the process is simple, the operation is convenient, the principle is scientific, the identification speed is fast, and the accuracy is high.

The invention relates to a face anti-fake method based on a local motion pattern, comprising the following steps: (1) detecting a face image area collected by a camera, and positioning face key points; (2) collecting motion information of a face area and a non-face area in a local area where the face key points are located; (3) calculating a local motion pattern of the face according to the obtained local motion information at all the key points; and (4) using a pre-configured pattern classifier to judge whether the face is fake based on the local motion pattern of the face. The beneficial effect is that the face anti-fake method can be effectively combined with a practical face recognition system to quickly and effectively distinguish a true face from a fake face with little need for user interaction.

The invention discloses a communication number identification control method and device, and a communication terminal. The communication number identification control method comprises the following steps of receiving a communication number which is submitted to a server by the communication terminal based on a trusted connection; querying records associated with the communication number within the scheduled time range in call records and / or short message records corresponding to a plurality of pre-associated users, and determining the communication number as a communication loss number when a query result is empty; and feeding result information that the communication number is the communication loss number back to the communication terminal. Through processing of the invention to determine whether the communication number is the communication loss number quickly and effectively, the efficiency of using the communication number is improved and the user experience is promoted.

The invention provides an LED bonding pad bubble AI detection method based on an X-ray image, and the method comprises the following steps: S1, building a semantic segmentation neural network model, setting at least two output channels, and forming a Loss function through the cross entropy loss of each output channel; S2, mixing the X-Ray images of at least two LED pads, and labeling the pads and bubbles in the images to form a training set; S3, training the neural network model built in the step S1 by using the training set formed in the step S2; S4, verifying the neural network model trained in the step S3, putting the neural network model which is verified to be qualified into use, and returning the neural network model which is verified to be unqualified to the step S2. A neural network semantic segmentation mode is adopted, the bonding pad background and the bubbles are quickly and effectively distinguished, the accuracy of a detection result under the conditions that the bonding pad background is complex and the bubble gray scale is uneven is greatly improved, and portability is high.

The invention relates to a mobile terminal and a safety warning implementing method based on the same. The method is implemented by the mobile terminal and includes steps of S1, judging whether acceleration of a current user is higher than an acceleration safety warning threshold corresponding to the class of average speed of the current user, if so, then entering a step S3, if not, then entering a step S2; S2, judging whether acceleration, in a direction perpendicular to a horizontal plane, of the current user, is higher than that a safety warning threshold of the acceleration in the direction perpendicular to the horizontal plane corresponding to the class of average speed, in a direction perpendicular to the horizontal plane, of the current user or not, if so, then entering the step S3, and if no, then executing a process of hazard identification; and S3, identifying whether the current user is in danger or not so as to execute the next safety warning process. By the mobile terminal and the safety warning implementing method based on the same, whether the current user is in danger or not can be identified within a short time, while safety warning can be sent in time.

The invention discloses a method for identifying Huaniu apple and American snake fruit. 2 H and oxygen isotope ratio δ 18 O, construct the training sample set of Huaniu apple and American red fruit, and calculate the hydrogen isotope ratio δ of water in the juice of the sample to be identified 2 H and oxygen isotope ratio δ 18 The measured value of O is compared with the training sample set and the type is identified. According to the characteristics that the hydrogen and oxygen isotope composition of the water of the fruit is only related to the hydrogen and oxygen isotopic composition of the water source in the growth process and the climate environment of the production area, the invention can quickly and effectively identify and distinguish the Huaniu apple and the American snake fruit, which is helpful for unknown Authenticity identification of origin samples; when the method of the present invention is applied, only the hydrogen isotope ratio δ of the samples to be identified is required 2 H and oxygen isotope ratio δ 18 The measured value of O is compared with the training sample set, the operation is simple, the feasibility is good, and the detection result is reliable.