148 results about "Cheating prevention" patented technology

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 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 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.

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 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.

In a game device that can be played by a plurality of players at the same time, playing of a game by more than the plurality of players assumed to be playing the game device is prevented. A setting for a number of a plurality of players to participate in the game is received and the game takes place using the set number of the plurality of players. The players constituting the plurality of players participating in the game is then detected during the game. The detected number of the players and the set number of the players are then compared, and the difficulty level of the game is changed when the detected number of players exceeds the set number of players. For example, continuation of the game is made difficult by increasing the difficulty level, and the time for which a cheating can take place is shortened. Further, the game can be made less interesting by lowering the difficulty level, and the time for which a cheating can take place can be made shorter.

The invention discloses an intra-market weighing anti-cheating method. The intra-market weighing anti-cheating method comprises the following steps: S10, first number information, input by a user, ofa first electronic scale is obtained, and a first production AD list corresponding to the first numbered information is determined from a total AD list; S20, when the user places a first weighed object on a standard scale, a first AD value output by a first AD converter of the standard scale is obtained, and a standard weight value corresponding to the first AD value is determined; and S30, a first weight value input by the user is obtained, and if the difference value between the first weight value and the standard weight value is greater than a first preset threshold value, an alarm prompt is given, wherein the first weight value comprises a value displayed when the first weighed object is weighed on the first electronic scale. The problem that in the prior art, most of anti-cheating methods have hysteresis is solved so as to achieve the technical effect that the buyer independently and quickly conducts weighing cheating prevention in a purchase site.