153 results about "Cheating prevention" patented technology

A method, system, and software for preventing cheating during online gaming on a first computer system, include receiving information regarding cheaters detected during online gaming gathered by a second computer system; and making the received information available to the first computer system. Advantageously, a cheater identified on the second computer system is prevented from online gaming on the first computer system. A method, system, and software for preventing cheating during online gaming also is described, including receiving information regarding cheaters detected during online gaming from a first computer system; and transmitting information regarding cheaters detected during online gaming gathered from a plurality of online gaming computer systems to the first computer system. Advantageously, cheaters identified on the plurality of online gaming computer systems are prevented from online gaming on the first computer system.

The present invention discloses a cheat prevention method for an online game. The method includes: determining, by the game server, a partner for a player according to information submitted by a game client terminal used by the player, and sending information of the partner of the player to the game client terminal used by the player; and refusing, by the game client terminal used by the player, to send a message to the partner of the player. The present invention also discloses a system and a client terminal in accordance with the method. The present invention can effectively prevent cheat in online games.

The present invention discloses a cheating-prevention method in a face recognition system. The method comprises the steps of 1 obtaining a face gray-scale image; 2 carrying out the equivalent characteristic coding on the pixel points of the face gray-scale image obtained in the step 1 and then obtaining 59 dimensions of ULBP characteristic vectors by the histogram statistic; 3 carrying out the four-level Haar wavelet decomposition on the face gray-scale image; 4 splicing the characteristic vectors and then sending to a trained support vector machine (SVM) classifier, and predicting a label via a decision function; 5 collecting a set of positive and negative face samples to train and test the SVM classifier capable of discriminating the face cheating; 6 training the SVM, and then utilizing a test set in the step 5 to test three trained SVM, thereby selecting the SVM of a kernel function of the best performance to discriminate the true and false face images. Compared with the prior art, the greatest advantages of the present invention are that the cheating-prevention method in the face recognition system is small in calculation complexity, saves the time and space consumption, has an excellent face cheating-prevention performance, and can be used to guarantee the safety of the face recognition system.

The invention provides an excitation method in a time-dependence mobile crowd-sensing system, and aims at the crowd-sensing system of a time window task to design a user excitation method. The method comprises one direction auction flow and two stages including a user selection stage and a payment decision stage, wherein a greedy algorithm is adopted to solve a problem of user selection with minimized social cost in the user selection stage, and a degree of approximation of the excitation method is 1n |W|+1, wherein W is the length of a platform-sensing time window; and in the payment decision stage, the key reward of each selected user is calculated. The method comprises that the total time complexity of the user selection stage and the payment decision stage is O(n3.max|R|), wherein the n is a user number, and the |R| is a time window number contained in a user biding document. The excitation method has the good properties of individual rationality and cheating prevention and can generate a good approximate solution.

The invention provides a single time window task excitation method for mobile crowd-sourcing perception. A user excitation method is designed for a single-time-window-task crowd-sourcing perception system. The method comprises a directional auction process and two stages, namely a user selection stage and a payment decision stage, wherein at the user selection stage, the problem of social-cost-minimized user selecting is solved by adopting a dynamic planning method, and at the payment decision stage, the amount of remuneration of each selected user is calculated by adopting a VCG (Virtual Channel Group) auction mechanism. According to the method, the total time complexity of the user selection stage and the payment decision stage is O(n<2>logn). The excitation method has the good characteristics of personal rationality and cheating prevention, and an optimum solution can be generated, namely a minimum-social-cost user subset S covering a perception time window can be found in polynomial time.

The invention discloses an examination anti-cheating method, a related device and a system. An examination server is arranged at the local part of the school, a conventional server is arranged on thelocal or the cloud, the examinee conducts examination through a user terminal, the examination server verifies the information submitted by the user terminal and detects whether the network connectionof the examination server is a campus network, after the verification is successful, the test paper is distributed, the examinee answers based on the user end and loads the answer, the examination system does not need fixed equipment, the investment is low and popularization is easy, and the verification based on the information and network connection can be suitable for preventing cheating of various examination modes, so that the purposes of wide application range and effective cheating prevention are achieved.

The invention discloses an unattended retail goods identification and cheat prevention system and method based on a comprehensive measurement way, and belongs to the technical field of the Internet. The system comprises a goods shelving and sampling system and an intelligent shelve. The technical problems that when using an unattended retail shelve, customers are not monitored and easily cheat aresolved. No complicated mechanical structures are needed, and the space utilization rate is improved; by means of the system, goods can be accurately identified, and the problem that a single shelve cannot be supervised is solved; the system has universality, there are no special requirements for the shapes of the sold goods, and the goods which are different in shape and type can be sold at the same time; the goods can be conveniently replaced; the system is convenient and efficient to use, the customers can directly scan codes, take the goods and pay for the goods, and no complicated operation is needed; the system has monitoring data, and the traceability is high; the collected sell data can provide a reference for purchases; it can be achieved that a reminder of stockout is given.

The invention relates to a network test cheating-prevention method. The method comprises the following steps: S101: obtaining the first video image information of the examinee in real time; S102: confirming whether the examinee cheats according to the first video image information. The network test anti cheat, the first video image information acquisition processing, can quickly and accurately confirm whether candidates cheating, such as the occurrence of candidates back, leave the seat, take the test cheating, it correctly and effectively, ensure the fairness of the exam, fairness, and effective to improve the efficiency of the interview.

The invention provides an RSSI locating and tracking technology based examination anti-cheating method and system and an application. The examination anti-cheating method comprises the steps that S1, examinee information registration is performed at a client; S2, the client request to establish wireless connection with an examination room router in an examination room; S3, the examination room router judges whether a user is an authenticated user or not according to the client request; S4, the clients is connected with the examination room router, and the examination router acquire user log information; S5, the client performs continuous, periodic or random signal communication with the connected examination room router, and a signal strength RSSI value of the client is monitored; and S6, random verification is carried out on examinees. The RSSI locating and tracking technology based examination anti-cheating method is convenient and efficient to operate and low in cost, can ensure the examination authenticity of registered users, and avoids occurrence of a cheating circumstance.

The invention discloses an online examination anti-cheating method, which comprises the following steps that after a user enters an examination interface, an examination window of a client is detected in real time, and whether the examination window is in the foremost end of the current client interface or not is judged; when the judging result shows the condition that the examination window is not in the foremost end of the current client interface, the examination window is activated to the foremost end of the current client interface, and the examination window is displayed in a maximization way. Through the method provided by the invention, the examination window of the user can be locked, the cheating of the user is prevented, the operation on a personnel computer can be realized, secure and controlled effects are achieved, the examination cheating is prevented, the user is enabled only to see self papers and not to switch the window to check other contents during the examination, the method is matched with enterprise network remote on-line training, and the justice and the equity of the user during the examination are ensured.

The invention discloses a cheating-prevention wagon balance weighing device and method, and the device comprises a weighing sensor which is used for weighing so as to generate a weighing data analog signal; a wagon balance control module which is connected with the weighing sensor and a data transmission module and is used for converting a weighing data analog signal into a weighing data digital signal; an encryption module which is connected with the wagon balance control module and used for the encryption of the converted weighing data digital signal; the data transmission module which is used for transmitting the encrypted weighing data digital signal; a decryption module which is connected with the data transmission module and is used for carrying out the encryption of the encrypted weighing data digital signal; and a weighing instrument which is connected with the decryption module and is used for displaying the weighing data. The device can prevent a weighman from remotely tampering the weighing data, just reading the value with no recording or just recording false data, guarantees the normal reading of the weighing data, and prevents the weighman from changing an instrument for cheating.

The invention provides an anti-cheating user method and device, wherein the method comprises the steps of generating a lottery verification code corresponding to the user information according to theuser information participating in a lottery activity; when the lottery verification code corresponding to the user information is matched with the lottery verification code in a non-cheating user database, determining the similarity between the lottery verification codes according to the relevance between the lottery verification codes; and when the similarity is larger than a preset threshold value, determining that the user information corresponding to the similar lottery verification code is the cheating user information, so that the cheating user can be automatically identified, and the user can be prevented from cheating in the lottery activity.

The invention discloses a supply-demand-relationship-based mobile crowd sensing excitation method with a budget and provides a scheme of interaction between a platform and a smart phone user in a crowd sensing system. Contribution made by ach user to the system is considered as resources that are consumed by the user for sensing; and each sensing task has a budge. According to a supply-demand-relationship-based mobile crowd sensing excitation method with a budget, contribution of resource prices and users is decided by the supply-demand relationship. And the method provided by the invention has characteristics of computer effectiveness, high individual rationality, high profitability, good cheating prevention performance, and good non-monopoly property and the like.

The invention discloses an anti-cheating desk for examination, and relates to the technical field of teaching supplies. The anti-cheating desk comprises a desk board, a storage box located on the lower side of the desk board and desk legs, and further comprises baffles located on the two opposite sides of the desk board and used for preventing peeping and a lifting device used for lifting the baffles, wherein he storage box comprises a box body provided with a fetching opening, a sealing plate used for sealing the fetching opening and a driving device used for driving the sealing plate; and the driving device is connected with the lifting device. When an examination is needed, the driving device runs, the sealing plate seals the fetching opening, then the lifting device runs, and the baffles block examination paper.

The invention discloses methods for remote education and training, and cheating prevention during examination by adopting a snapshot imaging technology. By the technical method for preventing cheating, a little of cost is increased for a user under the condition of guaranteeing the quality, the reputation and the actual effect of the remote education and training and remote examination. A platform can flexibly set an image snapshot rule; and acquisition and processing of images are automatically processed by a background of the platform, so normal interfaces for the user who normally participates in the remote education and training and the remote examination cannot be interfered.

The invention relates to a method for identifying various concealed information implanted in a goods by using a portable equipment, in particular to the portable equipment capable of identifying the concealed information in entertainment goods such as mahjong, playing cards, Paigow poke and the like and the identification method for the concealed information. In the portable equipment, various concealed information acquisition devices are integrated; concealed image information is acquired by a special camera, an infrared / ultraviolet supplementing light source and a special optical filter; magnetic field information is detected by a magnetic field; and the acquired concealed image information is directly provided to an analysis identification module in the portable equipment for being screened and an identification result is displayed on the portable equipment. The invention is characterized in that when word characters are analyzed, a special fuzzy identification method is used. The portable equipment is preferably a mobile phone. The portable equipment and the identification method for the concealed information can be used in various application fields such as counterfeiting prevention of the goods, cheating prevention and the like.

The invention discloses a digital indicating balance with an anti-cheating function. The digital indicating balance comprises a circuit module which is connected with a weighing sensor, a 5X5 keyboard, a displayer, a buzzer, a 5.5V-9.6V direct-current electrical source. Voltage signals and data signals displaying weighing weight of the weighing sensor are collected and compared to data standard of an internal storage, cheating information of weight, unit price, money and time and ID number of the digital indicating balance are recorded and stored, the cheating information is transmitted in a wireless manner to realize remote and digital management, and thus, management level of the digital indicating balance is increased.

The invention discloses a system and a method for calling and storing service by using a block chain, and belongs to the technical field of government affair data sharing. The system for performing service calling and evidence storage by using the block chain comprises a commitment department node, a service bus party node, a plurality of service provider nodes, a supervision department node, a service calling account book and an intelligent contract, and the commitment department node is responsible for constructing the service calling and evidence storage chain and formulating the intelligent contract with the privacy authority. The service bus party node and the plurality of service provider nodes form a service calling evidence storage chain sharing network. And the supervision department node carries out query supervision on the content on the storage chain according to the authorization permission. The system for carrying out service calling and evidence storage by using the block chain realizes permanent, safe and consensus credible collection and sharing of the credible evidence, so that traceability, cheating prevention and non-repudiation of service calling are ensured, and the system has very good popularization and application values.

A method of achieving IP address cheating prevention based on analysis of DHCP message relates to the field of IP address cheating prevention in a passive optical network, comprising the following steps: S1, an optical network terminal captures the transferred DHCP message to the CPU, analyzes the registered DHCP message, and obtains a user IP address Intelligent Peripheral Node (IPN) that is obtained by an optical network terminal lower user, the user IP address IPN being an IP address when the user and DHCP server IP protocol officially take effect; S2, the optical network terminal generates an access control list from the user IP address IPN, then binds the access control list to a legal port, and simultaneously sets and intercepts the message from other user port, the source IP address of which is the user IP address IPN. The method dynamically acquires the legal IP address list of the user port and dynamically generates an IP address white list and black list of the port, which achieves the function of preventing IP address cheating.

The invention discloses a system and a method for preventing cheating on distributed examinations on the basis of a network platform. The method includes steps that a prior-examination login module detects an examination cheating prevention environment and verifies user information; a web page sound recording module and a web page camera shooting module acquire examination information of users in real time and transmit the examination information of the users to a server side under the control of a web page asynchronous submission module; a server-side voice processing module and a server-side image processing module respectively preprocess received voice information and video information of the users and store the voice information and the image information of the users in a user examination record database; teachers consult the preprocessed voice information and the preprocessed image information via a cheating consultation and verification module to verify the examination information of the users. The system and the method have the advantages that the image information and audio information of the users are acquired in real time, so that cheating of the network users during the independent examinations can be effectively prevented, and the use efficiency of the network learning platform can be improved.

The invention discloses an intelligent management system and method for illegal fee collection cheating of medical imaging equipment. The system comprises a data acquisition subsystem connected with the medical image equipment, a cloud analysis subsystem connected with the data acquisition subsystem, and a management subsystem connected with the cloud analysis subsystem. According to the system and method, the management need of illegal fee collection cheating prevention of all medical imaging equipment of a hospital can be met only by installing one data acquisition box and the total cost is less than one tenth of those of other plans in the prior art. Moreover, statistics of detailed usage records of the equipment is realized by using working logs of the equipment; the data source is direct and the result is accurate; a phenomenon that the operation of the equipment is limited by cutting of the power or signal is avoided, so that high reliability of the equipment is ensured.

The invention provides a cheating-prevention remote examination system which includes a color analyzing module, a pixel statistics module, a feature point analyzing module, a modeling module, a database, an emotion analyzing module, a big data processing module, a candidate client, an exam management module, an identity information verification module and an exam question random generation module. The system photographs a candidate, processes and analyzes the images by means of a network server, and establishes a face model to analyze subtle facial expression changes or behaviors of the candidate so as to determine whether the candidate is cheating and sounds an alert. The method can prevent cheating in a remote network exam at a certain level.

The invention discloses an anti-cheating online examination method based on a mobile terminal, and the method is characterized in that the method comprises the following steps: A, login setting; b, examination anti-cheating setting; C, test paper generation; d, question answering; e, online examination ending. The core point of the invention lies in how to prevent cheating and eradicate the cheating phenomenon to the greatest extent from the source. On the other hand, answers to objective questions which are difficult for examinees to write in the examination process can be submitted in a field photographing uploading mode. In addition, compared with a traditional offline examination, the online examination system provides great convenience for examinees, teachers and related administrators on one hand, and analysis, archiving and management of the examination are improved to a great extent on the other hand.

The invention provides a big data based traffic cheating preventing method and device, which can effectively identifying cheating traffic, improve the anti-cheating efficiency and increase RTB advertisement exchange efficiency. The method includes the steps of monitoring new traffic requests by monitoring traffic logs; loading cheating comprehensive weight of an initiating terminal of the trafficrequests; according to source information of the traffic request in real time, shielding invalid traffic request and screening out effective traffic request; according to the cheating comprehensive weight of the terminal, analyzing the cheating probability of the effective traffic request, and finally judging whether the traffic is real or cheating according to the cheating probability of the effective traffic request.

The invention discloses a Bayesian model-based mobile attendance check cheating prevention big data detection method, which is used for overcoming the defect of attendance check cheating in the prior art. The method comprises the following steps of building a fake clock-in-and-out cheating model; and applying the fake clock-in-and-out cheating model, wherein the operation of building the fake clock-in-and-out cheating model comprises the four steps of establishing a sample library, training the model, applying the model and optimizing the model. A big data platform is established based on hadoop+spark, data modeling and training are performed by utilizing a Bayesian model, and attendance check cheating prevention samples and model are built, so that attendance check clock-in-and-out data of users are detected in real time; and cheating personnel and fake clock-in-and-out data can be identified more accurately, so that an effective basis can be provided for daily attendance check and management, and cheating behaviors are better prevented and avoided.

The invention discloses a pull-up test system based on face recognition and human body posture estimation, and aims to solve the problems of accurate counting and cheating prevention in a pull-up test. The system is composed of a camera, a camera supporting column, a pull-up checker and a pull-up checker supporting column. The pull-up checker is composed of a mainboard case, a display screen, a main switch, a power supply assembly and a mainboard. The mainboard case accommodates the mainboard, the power supply assembly, and the display screen and the main switch are installed; pull-up softwarecomposed of an acquisition module, a newly-built input module, an identity comparison module, a counting module, a display module and a database is installed on the mainboard. The newly-built input module and the identity comparison module carries out face recognition through a face recognition algorithm, the counting module estimates the posture of a human body through a human body posture estimation algorithm, and pull-up counting is carried out through video frame pixel coordinates of the double wrists, the nose and the neck of a tested person. The system is reasonable in design, and can accurately detect the number of the pull-up primers and prevent test replacement.

The invention provides a geographical location difference-based advertisement anti-cheating method. The advertisement information is put on an advertisement display end, and an advertisement information identification code is pushed; a code scanning message sent by a user terminal after the advertisement information identification code is scanned is received, and the code scanning message comprises geographical location information of the user terminal; and the geographical location information of the user terminal and geographical location information of the advertisement display end are compared to determine a distance between the user terminal and the advertisement display end, and if the distance is greater than a set threshold value, a code scanning behavior of the user terminal is acheating behavior. The method precisely detects the advertisement cheating behavior according to a geographical location difference of the user terminal and the advertisement display end.

The invention discloses an anti-cheating camera based on target action detection, and the anti-cheating camera comprises: a camera body which is installed in an examination room, so as to shoot a video of a person in the examination room and then output the video; a recognition and analysis system which is in communication connection with the camera body so as to receive the video output by the camera body, then recognize and analyze the action of the person in the video and output an analysis result; and a cheating processing system which is coupled to the identification and analysis system so as to receive the analysis result output by the identification and analysis system and then execute a cheating processing action. According to the anti-cheating camera based on target action detection, through the recognition analysis system and the cheating processing system, the action condition of examination personnel in a current examination room can be effectively recognized, and the action is analyzed, so that the effect of automatically judging whether the examination personnel cheat or not is achieved.