43results about How to "Prevent cheating" patented technology

The invention discloses an intelligent crane examination system based on vision, relates to the technical field of image processing, and solves the technical problems that a traditional crane examination system mainly depends on manual evaluation, is low in efficiency and is easily influenced by human subjective factors, so that the evaluation result is not fair and accurate enough. Identity information of examinees is verified; collecting a mark image in the process that the examinee transports the moving goods from the starting position to the preset warehousing position through the crane; on the basis of the mark image and the assessment indexes of the crane, obtaining various assessment indexes of the examinee; scoring each examination index of the examinee to obtain an examination result of the examinee; according to the method, the examination results of the examinees are obtained by automatically scoring the various examination indexes of the examinees, so that the evaluation efficiency is improved, subjectivity and unfairness possibly caused by artificial scoring are avoided, and the objectivity and accuracy of the evaluation results are ensured.

The invention discloses an intelligent park security risk perception system and method with prediction capability. The method comprises the following steps: acquiring face feature data registered at a park entrance guard; collecting video data of T monitoring areas of the park in real time; real-time face feature data in the video data appearing in the tth monitoring area is extracted, the real-time face feature data is compared with registered face feature data, the comparison result comprises the existence of a garden entry record and the absence of the garden entry record, and the real-time face feature data without the garden entry record is marked as abnormal personnel features; setting a deliberate avoidance area of each monitoring area in advance; using a tracking algorithm to track the abnormal personnel with the abnormal personnel characteristics, recording deliberate avoidance areas where the abnormal personnel characteristics appear in the q monitoring areas, marking the deliberate avoidance areas as passing avoidance areas, and sequentially connecting all the recorded passing avoidance areas to form an action track of the abnormal personnel; and the safety risk perception capability of the park is improved.

The invention discloses a bidding and tendering business enterprise qualification credit information authenticity verification method and device, and relates to the technical field of information verification, and the method comprises the steps: obtaining a verification webpage, obtaining a website digital certificate chain, checking a digital signature and a validity period step by step, and obtaining website digital certificate authenticity verification result data; obtaining the final modification time, the website updating frequency and the timestamp information, and combining the terminal time to obtain webpage timestamp verification result data; obtaining complete network information at a target moment and network information at a polling moment, and performing hash value comparison to obtain network information carrier integrity verification result data; and determining webpage authenticity verification result data according to the website digital certificate authenticity verification result data, the webpage timestamp verification result data and the network information carrier integrity verification result data, and uploading the storage content data for storage. The authenticity identification of the webpage is realized, the stored content data cannot be tampered, and disputes or objection can be checked and traced.

The invention relates to the technical field of food safety detection, and provides a food on-site rapid detection system, which comprises a PDA terminal used for on-site law enforcement and rapid detection of food; the food supervision information traceability PTS platform stores food traceability detection information in a block chain carried by the food supervision information traceability PTS platform, and extracts food traceability detection information corresponding to the food electronic certificate; extracting a detection model corresponding to the food electronic certificate from the traceability detection information through an intelligent contract; determining a spectrum pesticide safety detection model in the food traceability risk increase detection model according to the food traceability detection information; identifying and detecting the food spectrum image and the food surface image through a detection model to generate detection parameters; and generating a parameter threshold according to the food traceability detection information, determining a detection result, and uploading the detection result to the block chain through the smart contract. According to the invention, detection result cheating caused by lack of personnel supervision is avoided, and rapidness and low cost of the rapid food detection supervision process are realized.

The invention discloses an intelligent reagent management system, and belongs to the technical field of reagent storage. Comprising a centralized controller, and the centralized controller is connected with a receiving monitoring module, a man-machine interaction module, a reagent cabinet module, a network communication module and a face recognition module; according to the unattended reagent receiving process based on background personnel data and face recognition, the reagent receiving sales volume is increased; remaining amount real-time statistics and remaining amount insufficiency reminding are carried out, reagent management efficiency is improved, and the situation that an experiment cannot be carried out due to insufficient reagents is avoided; reagent replenishment is carried out on the basis of the kit, replenishment efficiency is greatly improved, and workload of an administrator is reduced. Based on double standards of weighing and intelligent AI identification, reagent receiving behaviors are accurately judged, and multi-receiving and cheating behaviors of reagents are effectively avoided; a user does not need to manually close the door after receiving the reagent, and reagent loss caused by forgetting to close the door is avoided.

The present invention discloses a zero-knowledge proof method for a designated verifier based on CL homomorphic encryption, and relates to the technical field of zero-knowledge proof. The method includes a setting phase, a proof phase, and a verification phase. A public reference string and a verification key are generated in the setting phase. In the proof phase, a proof is generated based on the public reference string and the verification key and sent to a verifier. The verifier decrypts the proof in the verification phase, and performs linear calculation in plain text to complete the verification process. The present invention adopts CL homomorphic encryption, which has the ability to resist discrete logarithm attacks, thereby improving the security of the scheme. In addition, the present invention removes the bilinear pairing operation in the verification phase and instead completes the verification by decryption. This improvement enhances the versatility of the scheme. At the same time, the zkSNARK protocol of the designated verifier is adopted, so that the present invention can be effectively applied to scenarios where access control of the proof is required.

The invention discloses an anti-cheating metering electronic scale, and relates to the technical field of weight metering, the anti-cheating metering electronic scale comprises a weighing platform assembly, the weighing platform assembly comprises a chassis, and the bottom of the chassis is provided with a mounting groove. According to the anti-cheating metering electronic scale, the receiving module can capture various wireless signals around, when a cheating remote controller attempts to change a weighing result around the metering electronic scale, the emitted signals are captured, the sampling module samples the signals, and the signals are transmitted to the receiving module. The matching module compares sampled signal information with pre-stored suspicion signal information, if the sampled signal information is matched with the pre-stored suspicion signal information, it is indicated that a remote control signal for cheating is possibly received, and the processing module shields the signal, so that the cheating signal can be prevented from interfering normal weighing data of the electronic scale, and the safety of the electronic scale is improved. The electronic scale ensures that the numerical value displayed by the electronic scale is real and accurate, and the alarm module sends out alarm information to remind a user of the interference of suspected cheating signals.

The utility model relates to the field of industrial safety shoe detection, and discloses an attendance system based on safety shoe detection, which comprises a safety shoe detection pedal, an eddy current coil is arranged in the safety shoe detection pedal, the eddy current coil is connected with an eddy current oscillation circuit, the eddy current oscillation circuit is connected with a microcontroller, and the microcontroller is connected with the safety shoe detection pedal. The microcontroller is connected with an LCD display screen, and the microcontroller is connected with a gate and / or a personnel identity recognition module through a relay. According to the utility model, the problems of difficulty in effectively supervising and checking whether a worker wears the safety shoes or not in an existing open type operation scene and missing detection and labor cost waste caused by existing visual checking are solved.

The application provides a medicine distribution verification method and system based on image recognition. The delivery process including a continuous action sequence is forcibly guided and verified, which fundamentally eliminates cheating behaviors such as pre-stored photos and staged photos. The system verification must rely on specific actions completed in real time, which improves the cost of fraud. At the same time, the verification process is visualized, standardized, automated, evidence-based and traceable. Through the collection and fusion analysis of action information such as action video, environmental continuous parameters and medicine packaging information, the compliance, effectiveness, authenticity and continuity of the medical and pharmaceutical delivery process are ensured, and an unalterable verification record is generated, solving the credibility and traceability problem of the end verification of medicine distribution.

The invention discloses a mobile examination educational administration management system, and the system comprises a 5G private network system which comprises a specific network identifier and is used for providing 5G network communication required by the system; the mobile terminal comprises a processor, an input module, a display module and a communication module, the server comprises a login module, a storage module, an identity verification module, an examination question extraction module and an examination question completion submission module, and the examination question extraction module is used for sending examination questions from the storage module to the display module for display after receiving information that the examinee successfully logs in; and the examination question completion submitting module is used for submitting an examination question completion request after the examinee completes the examination questions and storing the completed examination questions in the storage module, and the server is connected with the mobile terminal through a 5G private network system and is used for realizing data transmission between the server and the mobile terminal. On the basis of utilizing higher bandwidth and lower time delay of 5G, the data security is improved, cheating of examinees is also avoided, and the overall reliability is improved.

The present disclosure relates to a data auditing method and device based on a Merkle tree and a blockchain. The method comprises: sending a data auditing request including first data to a second server, so that the second server determines a global index of the first data in the total data of the second server and a Merkle proof of the global index based on the data auditing request; receiving the global index and the Merkle proof sent by the second server, calculating a first hash value of the first data in the same hash calculation manner as a leaf hash value in the Merkle tree, and calculating a first root hash value based on the first hash value and the Merkle proof; obtaining a second root hash value corresponding to the global index from the blockchain, and comparing the first root hash value with the second root hash value. If the first root hash value is consistent with the second root hash value, it is determined that the data auditing is passed. The present scheme realizes the verification of the integrity and authenticity of the data while protecting the data privacy.

The invention discloses an intelligent mine unattended system and method, and relates to the technical field of mining, and the system comprises a vehicle information intelligent recognition module which is used for automatically capturing and verifying vehicle information before a vehicle arrives at a wagon balance, and automatically releasing the vehicle to enter a weighing area after the vehicle is confirmed to be correct; and the automatic weighing operation module is used for enabling the vehicle to be stably parked on an unattended weighing platform, enabling the system to automatically start a weighing program, and rapidly capturing and displaying weight data. Real-time monitoring and data management of the weighing process can be intelligently realized, an intelligent identification technology (such as license plate identification and RFID) and a monitoring system are integrated, cheating behaviors in the weighing process are prevented, the transaction fairness is ensured, in-and-out route planning, remote monitoring, data encryption and intelligent analysis are realized, and in-and-out route planning, remote monitoring, data encryption and intelligent analysis are realized. Seamless integration of weighing data and other management systems is realized, automatic circulation and sharing of data are realized, and data query, analysis and decision support are facilitated.

The present invention discloses a method and a smart terminal for preventing children from being addicted to games. The method is used for a smart terminal that uses a game account to execute game functions, and includes the following steps: A. During the establishment of a game account, the player's individual identification information and the player's physical characteristic information are obtained, the game account information is associated with the player's individual identification information and the player's physical characteristic information, and the player's physical characteristic information is used to distinguish whether the game account corresponds to a child player or an adult player; B. During the use of the game account, the game account information is matched according to the player's individual identification information, and according to the player distinction result of the game account, game addiction prevention measures are taken for the game account belonging to a child player. The method and smart terminal for preventing children from being addicted to games of the present invention can accurately and effectively prevent children from being addicted to games and protect the physical and mental health of children.

A dynamic sports status monitoring terminal and a user identity determination method are provided. Based on the volume of an existing smart watch, a plate-type vein camera module with a thickness of less than 3 mm is built in. The plate-type vein camera module regularly captures the user's wrist vein image, and compares it with the wrist vein image of the authorized user stored in the smart watch to determine whether the user of the dynamic sports status monitoring terminal is the authorized user himself, thereby preventing the cheating problem that other people wear the dynamic sports status monitoring terminal to replace the authorized user in daily physical exercise; in addition, a start module and a start connection module are set in the main wristband and the auxiliary wristband of the dynamic sports status monitoring terminal. The smart watch prevents the cheating problem that the authorized user takes off the dynamic sports status monitoring terminal for a short time to change the user for physical examination by judging the dynamic connection status of the main wristband and the auxiliary wristband, thereby ensuring the accuracy and fairness of the physical examination results.

The invention provides a safety belt unfastening reminding method and device. The method comprises the steps that a safety belt lock catch inserting state signal and a seat passenger occupying signal are obtained; and when the seat passenger occupying signal indicates that the seat passenger occupies no person and the safety belt lock catch insertion state signal indicates that the safety belt lock catch is in an inserted state, reminding that the safety belt is not worn normatively so as to remind the passenger to wear the safety belt normatively. According to the method, logic defects of existing safety belt detection are overcome only through software logic improvement, a user is prevented from cheating a system in a false mode, safety belt reminding is improved, passengers are better protected in a collision accident, and after-sales EDR data recording is more real and effective.

The invention relates to the technical field of online education, and provides an anti-cheating method and system for an online examination, and the method comprises the steps: carrying out the confirmation of the identity and registration information of an examinee through face recognition before the examination; questions and setting options are randomly extracted according to a video of an online examination, wherein the video cannot be dragged and fast forward; behavior characteristics of the examinee in the examination process are monitored, and abnormal behaviors are identified by analyzing the stability of the behavior characteristics; cheating behaviors are identified according to behavior characteristics of examinees in the examination process, and an alarm is given in time; and storing the registration information and the behavior characteristics of the examinees in the examination process. Identity verification is carried out on examinees through face recognition, it is ensured that reference personnel are consistent with registration information, and the behavior of replacing examinees is prevented. Behavior characteristics of examinees are monitored in real time, abnormal behaviors of the examinees are recognized, and cheating is effectively prevented; and when an abnormal behavior is detected, an alarm is immediately given to invigilators, so that the fairness and integrity of an examination are ensured.

The intelligent weighing barrier gate all-in-one machine comprises a barrier gate machine body, a camera and a barrier gate rod, the barrier gate machine body is provided with a barrier gate rod driving device, the barrier gate rod driving device is connected with the barrier gate rod, the top of the barrier gate machine body is further provided with a multifunctional device, and the multifunctional device is connected with the camera. The multifunctional device at least comprises a first display surface and a second display surface which are arranged on the multifunctional device, a first display screen is arranged on the first display surface, a second display screen is arranged on the second display surface, and the first display surface is adjacent to the second display surface. Display screens are respectively arranged on two adjacent sides of the multifunctional device, and meanwhile, vehicle detection devices such as a camera, an infrared device or a radar device are arranged, so that vehicle information can be detected in different directions; and meanwhile, the vehicle information and the weighing information are displayed in different directions, so that a driver can conveniently obtain the information from multiple angles. Through a set of necessary devices such as the mainboard and the power supply, the two screens share necessary parts of the main screen, so that the installation cost is saved.

The present disclosure mainly relates to the technical field of computers, and in particular to a method and apparatus for generating a random number in a blockchain. In a specific embodiment, the method includes: a first random number and a first digest value of the first random number are locally generated by a first node in a blockchain; the first node submits the first digest value to a smart contract; the smart contract broadcasts a first service, so that at least one blockchain node submits participation information about the first service; the smart contract determins a second node from the at least one blockchain node based on the order of submitting the participation information; when the first service ends, the first node submits the first random number to the smart contract; when the smart contract verifies that the first random number corresponds to the first digest value, the smart contract generates a second random number based on a second digest value of the second node and the first random number; and a second service is started based on the second random number. The embodiment improves the reliability of the random number, thereby ensuring the fairness of service results.

The invention discloses a virtual prop right confirmation method based on motion quality dynamic triggering and lightweight evidence storage. The method comprises the following steps: S1, collecting and preprocessing multi-source data; motion data and physiological data of a user are collected through a built-in sensor and an external wearable device of the rowing machine and preprocessed; s2, motion quality feature extraction; based on the preprocessed data, extracting motion quality features by using a feature extraction window which is adaptively adjusted along with a row cycle; s3, virtual prop triggering judgment: setting a dynamic threshold value according to the historical ability grade portrait of the user to perform virtual prop triggering judgment; and S4, multi-source data authenticity fusion verification is carried out, if the trigger condition of S3 is established, authenticity verification is carried out based on physiological and action data, after verification is passed, weighted fusion is carried out on the motion quality features to calculate confidence, the confidence is compared with a confidence threshold, and finally a formal virtual prop is generated and a unique identifier is allocated.

The invention relates to a method and system for simultaneously measuring eyesight of two eyes, and the method comprises the steps: initializing a polarized light display device, and displaying sighting marks in different polarization directions according to the initialized polarized light display device; performing vision coarse screening based on the sighting marks, determining the current sighting mark series, and performing fine vision detection according to the current sighting mark series to obtain a vision detection result. Manual intervention is not needed, the eyesight of the two eyes can be measured at the same time, the manpower cost of distant vision detection can be reduced, and meanwhile the distant vision detection efficiency is remarkably improved.

This application discloses a method, apparatus, and computer device for wind farm data source authentication based on SVM-UGR. It includes: acquiring the original feature set of multimodal physical signals generated by wind turbines; normalizing the original feature set to a preset feature space using a static SVM model to obtain low-dimensional static features of the multimodal physical signals; extracting dynamic coupling features of the multimodal physical signals at different time dimensions from the original feature set using a dynamic UGR model; fusing the low-dimensional static features and dynamic coupling features corresponding to different modal physical signals to form a physical fingerprint of the wind turbines; and authenticating the target wind farm data source based on the first similarity between the target wind farm data and the physical fingerprint. The method of this application constructs a "physical fingerprint" of the wind turbine's operational characteristics through a model and achieves trusted data source authentication based on operational behavior and physical state through comparison with new data, without relying on network identity.

The utility model discloses a mahjong machine wireless control operation board which comprises an operation board panel, dice keys, an operation board circuit board, a dice bin, a dice, a dice tray, a dice motor, operation board lifting control keys, an operation board shell, an operation board lifting connecting pipe, an operation board lifting plate, a bearing, a lifting rocker arm, a lifting motor and a main control module. A battery module is further arranged on the operation board circuit board, and the battery module supplies power to the operation board circuit board; a wireless receiving and transmitting module A is connected to the operation board lifting control key, a wireless receiving and transmitting module B matched with the wireless receiving and transmitting module A is also arranged on the main control module, and the wireless receiving and transmitting module B is connected with a lifting motor control circuit of the main control module. An original wired power supply structure for an operation board circuit board through a lower main control module is changed into a structure for independently supplying power to the operation board circuit board through a battery module, and meanwhile, a wired control main control module structure of an operation board lifting control key is improved into a wireless control structure.

The invention discloses a specified verifier zero-knowledge proof method based on CL homomorphic encryption, and relates to the technical field of zero-knowledge proof. The method comprises a setting stage, a certification stage and a verification stage, a public reference character string and a verification key are generated by using the setting stage, a certification is generated based on the public reference character string and the verification key in the certification stage and sent to a verifier, and the verifier decrypts the certification in the verification stage and verifies the certification. And performing linear calculation in a plaintext form to complete a verification process. According to the method, CL homomorphic encryption is adopted, and the encryption mode has the capability of resisting discrete logarithm attack, so that the security of the scheme is improved. Besides, bilinear pairing operation is removed in the verification stage, verification is completed through decryption, and the universality of the scheme is enhanced through the improvement. Meanwhile, a zkSNARK protocol of a specified verifier is adopted, so that the method and the device can be effectively applied to a scene in which access control needs to be performed on the certification.

The application relates to the technical field of data processing and industrial control, in particular to an intelligent terminal device for hazardous waste whole-process supervision, which comprises a terminal shell and a man-machine interaction unit, a main control unit, a label printing unit, a code scanning and recognizing unit, a weighing and communicating unit, a network communicating unit and a digital security checking unit integrated in the terminal shell, wherein the digital security checking unit calls preset standard density range, single-barrel regular weight interval, historical average weight data and abnormal threshold and the like checking parameters according to the hazardous waste type scanned and recognized, carries out multidimensional consistency comparison on the weighing data acquired by the weighing and communicating unit in real time and the preset parameters and calculates a fitting degree index, and when the fitting degree index reaches a preset qualified threshold, label printing and data uploading are allowed, otherwise the operation is rejected. The application has the effect that the hazardous waste intelligent terminal device can realize automatic acquisition, real-time checking and hard blocking of abnormal data outflow at a data generation end.

The utility model provides a rope skipping counting device which comprises a base, a first monitoring assembly, a second monitoring assembly and a processing module, the first monitoring assembly is arranged on the base and used for monitoring movement of both feet of a user, and the second monitoring assembly is arranged on the base and used for monitoring movement of both feet of the user. The second monitoring assembly is used for monitoring the rope skipping movement, and the processing module is electrically connected with the first monitoring assembly and the second monitoring assembly. The first monitoring assembly is arranged to monitor the movement of the feet of a user, the second monitoring assembly is arranged to monitor the movement of the skipping rope, whether the skipping rope rotates in the skipping process or not is determined, and the first monitoring assembly and the second monitoring assembly are combined to serve as the basis of the skipping action, so that the counting efficiency and the counting accuracy can be improved; according to the rope skipping system, invalid rope skipping actions are prevented from being counted into counting scores, cheating can be avoided, the rope skipping system has universality and high applicability, and unnecessary expenditure cost is reduced.

The invention discloses an agricultural machinery operation quality multi-dimensional sensing device for multi-plough management, and relates to agricultural machinery operation quality multi-dimensional sensing. According to the technical scheme, the system is characterized by comprising host equipment installed on an agricultural machine body, a plurality of plough terminals installed on different ploughs and an operation vehicle-mounted terminal; the host device obtains host IMU data; the host equipment is used for scanning broadcast packets; the host equipment is also used for outputting operation data according to the host IMU data, the plough terminal IMU data and a multi-dimensional detection method; the plough terminal acquires IMU data of the plough terminal; the plough terminal is provided with an anti-disassembly switch, the anti-disassembly switch is used for detecting the anti-disassembly state of the plough terminal installed on the plough, and the anti-disassembly state comprises a normal state and a disassembled state; the plough terminal is provided with a battery for power supply and broadcasts according to a certain frequency after being started; and the host equipment is used for transmitting the operation data to the operation vehicle-mounted terminal. According to the invention, stable, continuous and multi-dimensional monitoring of plough operation is realized, and system errors are effectively eliminated.

The present invention proposes a calibration method and system for a fuel dispenser, and relates to the field of dispenser calibration. The method comprises the following steps: obtaining and recording the gun number and oil product number information of the oil gun to be calibrated in real time; comparing and judging the gun number and oil product number information of the oil gun to be calibrated currently obtained with the gun number and oil product number information of the oil gun to be calibrated previously obtained at a predetermined interval, and obtaining a comparison result; if the comparison result is consistent, proceed to the next step; if the comparison result is inconsistent or the information is interrupted, the calibration is terminated and an alarm message is generated for reminder; then the muzzle temperature information of the oil gun to be calibrated, the calibration refueling method, the oil product temperature in the standard metal measuring vessel, and the liquid level height information of the oil product in the standard metal measuring neck are obtained and used to calculate the oil delivery error value of the oil gun to be calibrated, so as to judge the calibration result by using the oil delivery error value of the oil gun to be calibrated. The accuracy of the calibration result can be improved, and cheating in the calibration process can also be effectively prevented.

This utility model discloses an automatic ball-shaking machine, belonging to the technical field of ball-shaking machines. The automatic ball-shaking machine includes a frame, a rotating ball cover, a drive mechanism, and a color recognition mechanism. The drive mechanism includes a rotary bearing and a drive motor. The outer ring of the rotary bearing is fixedly connected to one side of the frame, and the inner wall of the inner ring of the rotary bearing is provided with an annular toothed portion. The drive motor is fixedly installed on the other side of the frame, and a gear is fixedly installed on the output shaft of the drive motor, the gear meshing with the annular toothed portion. The rotating ball cover is installed on the inner ring of the rotary bearing, and a plurality of stirring blades are evenly distributed along its circumference on the inner wall of the rotating ball cover. The frame is provided with a ball-discharging guide groove, and the color recognition mechanism is also provided on the frame. This utility model can reduce manual intervention during the ball-shaking process and avoid errors and delays in manual ball color recognition, effectively ensuring the fairness, accuracy, and timeliness of the prize-winning results.

The utility model discloses a comprehensive practical training platform for electromechanical examination, which comprises a supporting seat and moving wheels, the moving wheels are arranged at the lower end of the supporting seat, a shielding assembly is arranged on the supporting seat, the shielding assembly can perform anti-cheating shielding on the comprehensive practical training platform for electromechanical examination, and the shielding assembly comprises a hydraulic rod and a moving platform. The comprehensive practical training platform comprises a supporting seat, a movable platform and a hydraulic rod, the movable platform is slidably mounted at the upper end of the supporting seat, and the hydraulic rod is mounted in the supporting seat, and relates to the technical field of comprehensive practical training platforms. Operators are prevented from watching each other during examination, cheating is avoided, and examination articles can be supported; the hydraulic rod is arranged in the comprehensive practical training platform, so that the height position of the comprehensive practical training platform can be adjusted, and examinees with different heights can operate the comprehensive practical training platform conveniently for examination.

The present invention provides a method for intelligently matching the check-in of domestic waste collection and transportation vehicles, which solves the problems of cheating in the existing check-in of transfer vehicles. The method uses a wireless terminal and a positioning device to determine the location of the vehicle, and judges whether the relative distance between the vehicle trajectory and the collection point is within a predetermined range. If it is within the predetermined range, it will automatically check in, otherwise, it will exclude the point and find the next point. The present invention has the advantages of high vehicle positioning accuracy and effective avoidance of cheating.