57results about How to "Improve the efficiency of solving crimes" patented technology

The invention discloses an uncertain space-time trajectory data range query method under road network environment. The process includes that firstly, a road network is divided into divided areas with the number of K; a hash table is established according to sides and divided corresponding relations; boundary points of the divided areas are calculated, and a two-dimensional space R tree index is established; the shortest path distance among the boundary points of each dividing is calculated; a one-dimensional R tree time quantum index is established for each dividing, and a B+ tree for storing trajectory data for each one-dimensional R tree is established; then, the earliest arrival time and the latest leaving time of a certain trajectory and an uncertain trajectory are calculated, and a unit segment assemble and divided beginning and ending time are inserted into time interval components; and finally, according to the dividing of a query point, distance information of a divided boundary point and the query point is calculated, and therefore a query result is obtained. According to the uncertain space-time trajectory data range query method under the road network environment, a small amount of input/output (I/O) operations and online calculation are only needed to be performed for a part of dividing, the query results can be obtained, and the query results are high in accuracy degree and fast in response speed.

The invention provides a method and a device for detecting turnover of a number plate on an open road. The method comprises the following steps: calculating checkpoints by which vehicles to be detected sequentially pass in a preset time period; determining whether the checkpoint is communicated or not according to communication information of the checkpoint, and dividing the checkpoint into at least two communication sections if the checkpoint is communicated; acquiring a suspect overturned number plate between adjacent communication sections by adopting track collision and subtraction operation according to information in passing records of vehicles to be detected, vehicle violation condition and checkpoint communication information. According to the method, supervision and monitor on fake plate vehicles using an automatic plate overturning device can be effectively improved, an effective deploy-control strategy can be formed, and the detection efficiency of public security criminal investigators and traffic police can be remarkably improved.

The invention provides a checkpoint passing car real-time comparison and analysis alarming method. The method comprises the following steps that 1 speed measurement and snapshot are carried out on all cars passing through a check area, and the snapshot car data are collected; 2 the collected snapshot car data are filtered; 3 the processed car data are associated with an interface provided by a traffic information service system and compared with a police service information library, the passing car information is analyzed in real time, whether the passing cars are unidentified cars, monitored cars, key controlled cars, fake number plate cars, illegal cars from other provinces, cars not inspected annually, abandoned cars and overspeed cars is judged, and if the analysis result is any one of the above conditions, an alarm is immediately sent to the traffic information service system through methods of light and sound, short messages or system messages. The invention further provides a checkpoint passing car real-time comparison and analysis alarming system which can carry out automatic shooting and multi-dimensional monitoring on a large number of passing cars, make corresponding data comparison and analysis, give an alarm in various modes, and avoid law enforcement difficulty caused by too much traffic flow.

The invention provides a method for automatically detecting an automatic plate turning device on a closed road. According to the method, whether a vehicle implements the automatic plate turning behavior or not is judged based on the records in an inspection spot meter and a license plate meter and the inspection spot information about getting in and out of inspection spots on the closed road, and a turned plate number of the vehicle is worked out according to the related inspection spot data, the track collision operation and the set operation under the situation that the vehicle implements the plate turning behavior. According to the method, supervising on the vehicle with the covered license plates through the automatic plate turning device can be effectively improved, accordingly, an effective deploy and control strategy can be formed, and the case solving efficiency of public security criminal investigation workers and traffic police is obviously enhanced.

The invention relates to a crime scene fingerprint ridgeline leaving region frequency dynamic reconstruction method. The method comprises the following steps of performing identification and data extraction on a peripheral contour line of a scene fingerprint ridgeline coverage region; reconstructing a crime scene fingerprint ridgeline leaving region in a compared seal fingerprint; and performing dynamic reconstruction of a crime scene fingerprint ridgeline leaving region frequency. The method is mainly used for a super-large-scale fingerprint system of a multi-comparison algorithm framework; the image quality level of fingerprint system database establishment and the case-solving efficiency of the fingerprint system can be effectively improved; and the method is of outstanding significancein the aspects of "comparison and missing check risk analysis of the fingerprint system", "locking of a missing check target range", "feasibility assessment of actual application of various planar seal fingerprint image data to the field of forensic science", and the like.

In particular, the invention relates to a method and system for establishing an interpersonal relationship model of a suspect. The method comprises the steps of defining the number of layers of an interpersonal relationship model and the node type of nodes at each layer; obtaining and saving client data of a suspect as a data file of a preset format; according to the data file and the node type of each layer, determining the number of nodes per layer, node data corresponding to each node and relation attributes of the relevant nodes on the adjacent two layers; and establishing the interpersonal relationship model according to the number of nodes, the node data of each node and the relational attributes of the relevant nodes. The method of the invention can collect and analyze client data such as data of certain types like call record of the suspect's mobile phone, short messages, an address book, instant chat software (QQ, WeChat, Momo, etc.) and so forth, and generate a relationship diagram between the suspect and others. The modeling method is highly efficient, the generated interpersonal relationship diagram is simple and direct, and investigators are assisted in analyzing and solving a case.

The present invention discloses a case key string serial-parallel detection method. In a lot of cases of public security organs, key strings of the cases have a one-to-one correspondence to the cases, wherein the key strings comprise ID card numbers, bank accounts, license plate numbers, telephone numbers, QQ accounts, website addresses, IP addresses, electronic mailboxes, MAC addresses, WeChat accounts and the like. If two cases have one same key string, the two cases must be associated with each other. According to the case key string serial-parallel detection method, key strings in cases are extracted by performing operation on a case database of public security organs, and serial-parallel analysis is performed on the key strings associated with the cases, thereby achieving the objective of performing serial-parallel analysis on the cases with the same key strings.

The invention provides a method and a system for acquiring the age of a male individual in a Chinese population. The method comprises the following steps: extracting DNA of the male individual; acquiring the methylation rates of 9 CpG sites of the DNA; and according to the methylation rates of the respective CpG loci, performing regression analysis on the 9 CpG loci and the age by R software to construct a regression model so as to acquire the age of the male individual in the Chinese population. According to a scheme provided by the invention, the age of the male individual in the Chinese population can be accurately acquired, and the age of the individual can be inferred from biodetection materials, such as blood or a blood mark sample, which are left on a crime scene in an actual publicsecurity combat, so that quick locking of a criminal suspect scope is facilitated, a clue is provided for case detection and the speed of the case detection is increased.

The invention discloses a video detection process based on video abstraction and video retrieval. The process comprises the steps an original video related to a case is obtained from a video monitoring platform or obtained locally by a system, case basic information is added, list processing is conducted on the video, then the video is stored to a storage server, the system analyzes the video, the video is concentrated at first, frames with no movable object are removed, frames with movable objects are reserved, the concentrated video and full snapshots of all the movable targets are obtained, a suspicion target is determined according to the concentrated video and the target snapshots in cooperation with manual screening in a video comparison mode, and video clips of the suspicion target and the suspicion target snapshots are obtained. According to the video detection process based on video abstraction and video retrieval, the video clips and snapshots of the suspicion target can be obtained from the mass original videos, and the video surveillance efficiency of public security organs is improved.

The present disclosure relates to an information processing method and apparatus, an electronic device and a storage medium, wherein the method includes: acquiring image information captured by an image capturing module, the image information being associated with position information of the image capturing module; Determining an adapted first database according to position information associatedwith the image information, and selecting a user object matching a target object in the image information from the first database; at least storing and associating image information of that target object with the user object match thereto. The embodiment of that present disclosure enables a fast and accurate lookup of a target object.

The invention discloses a method and a device for satellite case solving based on positioning analysis. The device comprises a shell, a display is arranged on the shell, and an input panel is arranged below the display. The two sides of the shell are each provided with a radiating port, and a data interface is arranged below each radiating port. A master control panel is arranged inside the shell, and the master control panel is equipped with a processing circuit, a wireless transceiver circuit, a GPS Beidou positioning circuit and a time information selection circuit. The processing circuit is connected with the wireless transceiver circuit, the GPS Beidou positioning circuit, the time information selection circuit, the display, the input panel and the data interfaces. The wireless transceiver circuit is connected with a monitoring center. A case can be solved by making effective use of a satellite, and case solving is efficient. The method is simple, easy to use, and low in cost.

The invention discloses a centralized distribution model for human-vehicle-object identification deployment and control, and comprises a face information acquisition subsystem, the face information acquisition subsystem is in electrical output connection with an algorithm model unit; the algorithm model unit is in electrical input connection with a vehicle information acquisition subsystem and a mobile phone MAC information acquisition unit; the algorithm model unit is in electrical output connection with a central processing unit for data analysis and judgment; the central processor is in electrical output connection with a data storage unit used for data storage and maintenance, a data display unit used for data display and an alarm subsystem used for alarm reminding. According to the invention, the collected face data, license plate data and mobile phone Mac address data are associated through the algorithm model unit; the relationship between people, vehicles and objects is speculated, then the central processing unit performs set score accounting and comprehensive set score evaluation on the characteristics of people, vehicles and objects, different levels of alarms are generated for buzzers with different values, and the case solving efficiency of police officers is improved.

The invention discloses an escape vehicle rapid identification and tracking method based on a vehicle-mounted unmanned aerial vehicle. The method specifically comprises the steps of (1) constructing a prediction model for the position of a road section where an escape vehicle is located, and taking the first three areas with the largest probability values as candidate areas; (2) scanning vehicles in the three candidate areas and uploading the vehicles to a cloud end through a 5G network; (3) establishing a lightweight escape vehicle re-identification model based on the improved DenseNet121, and performing vehicle feature extraction and re-identification on a picture of each candidate area based on the escape vehicle to be queried; and (4) transmitting the position information of the candidate area where the picture with the highest escape vehicle re-identification rate is located to an on-duty person, and completing tracking of the hit-and-run vehicle. The unmanned aerial vehicle can rapidly and reliably re-identify the escape vehicle, and the case solving efficiency is improved.

The invention provides a gun digital management system, and relates to the field of official gun management. According to the gun digital management method, a gun digital management platform, an APP mobile terminal and a gun terminal detection module are included. The gun tracking hardware module is used for detecting whether the gun is placed in the holster or not, the hardware module is installed on the holster, and the gun use state tracking is achieved in the modes of low-power-consumption Bluetooth communication, dry contact contact sensing and the like; functions include: BLE communication; encrypting and decrypting the data; battery management; detecting and reporting the gun insertion/extraction change in real time; reporting the gun position change in real time; tracking gun position ; intelligent dormancy and awakening; mobile phone binding acceptance and the like. According to the system, the gun management modernization level of a police team is improved, the functions of immediately reminding a gun holder and generating a platform alarm and the like before the gun is lost can be realized, the gun is automatically tracked when the gun needs to be searched, accidents such as gun loss and theft are prevented to a great extent, and the system is worthy of being vigorously popularized.

The invention discloses a method capable of monitoring the door in real time and providing an alarm function. The infrared radiation signal of the door is detected by an infrared sensor and transmitted to the processor; the image data around the entrance of the house is collected by the camera and the camera and transmitted to the processor; The processor judges the received infrared radiation signal and image data; when the judgment result is abnormal, the processor transmits an instruction to the alarm device to send out an audible and visual alarm. The present invention solves the problem that the anti-theft doors and windows in the house in the prior art give people a sense of oppression and is easy to be stolen, and provides a method that can monitor the door in real time and provide an alarm function. When it is applied, the door can be monitored in real time. When there is an abnormality, it sends out a sound and light alarm to remind the house owner at home, and at the same time sends a text message to the house owner's mobile phone, and sends the house address to the Public Security Bureau to prevent the house owner from being pried open and stolen when the house owner is not at home.

The invention discloses a monitoring system based on an electric vehicle charging pile and belongs to the technical field of monitoring. The monitoring system comprises at least one electric vehicle charging pile and a background monitoring system, wherein the electric vehicle charging pile transmits data with the background monitoring system in a wireless transmission manner; vehicle informationand person information of vehicles to be charged can be acquired and transmitted to a background in real time to be analyzed and processed through a monitoring camera and an RFID card reader on the electric vehicle charging pile, and alarms are timely given if vehicles are found to be stolen vehicles. The case solving efficiency of polices is greatly improved and the property safety of people is guaranteed.

The invention relates to the crossed technical field of computer information and security protection, in particular to a method for searching the physical position of a computer. The method is characterized by at least comprising the following steps: A. when a computer user surfs the Internet, automatically calling a module, and automatically recording the characteristic information that the userlogins network such as an account number name, login time and a user computer into a server of a surfing management party; B. comparing the information registered in the step A with the login information of the user at the last time, if the login account numbers are not the same, marking in the server of the system; and C. transmitting the marked information in the step B to a police information management server. The invention has the following technical effects: the public security bureau easily finds out the physical position of the lost computer, so as to provide case-breaking clues or clues for searching the user computer for the public security bureau in time, and have higher case-breaking efficiency and smaller user lose.

The invention provides a WiFi data collection device based on portable power bank power supply and a method thereof. The device comprises a power bank body and a WiFi data collecting device built in the power bank body, wherein the power bank body comprises a USB interface, an RJ45 internet access and a first power transmission connector assembly; the WiFi data collecting device comprises a WiFi data collector and a second power transmission connector assembly; the WiFi data collector comprises a main control module, a 3G/4G/5G module, a 2.4G/5G wireless module, a wired module, a storage module and a GPS positioning module; the 3G/4G/5G module, the 2.4G/5G wireless module, the wired module, the storage module and the GPS positioning module are connected onto the main control module. The method comprises the steps of positioning, packet capturing, storage and data export. The WiFi signals can be scanned along with the movement of people; the handshake packet capture can be performed; the obtained data packet is subjected to processing and analysis and can be used for assisting police law enforcement personnel to improve case solving efficiency and helping the police law enforcementpersonnel to mine and expand clue channels.

The present invention relates to a system and a method for intelligently identifying and actively early warning parties involved in infringing intellectual property rights. The system comprises a management server, a data server connected with the management server, a distributed cluster server and an intelligent analysis server, wherein the data server is also connected with the intelligent analysis server. The management server preprocesses the imported related information and related data of the involved parties, and manages the data analysis task and the early warning task; the data serverstores the preprocessed original data information and stores the prediction result of the system for intelligently identifying and actively early warning parties involved in infringing intellectual property rights; the distributed cluster server stores non-relational data according to the data preprocessed by the management server, performs statistical calculation on the flow direction information of the involved party members based on the predefined statistical model, and sends the operation result to the data server; and the intelligent analysis server studies and judges the processed analysis task by using an analysis and prediction model according to the processed analysis task submitted by the user, gives an identification and early warning result, generates a report, and sends the report to the management server and the data server.

The invention discloses a college motor laboratory antitheft supervising device, comprising an antitheft supervising device housing installed on the motor housing in a motor laboratory, wherein the antitheft supervising device housing is internally provided with a controller, a GPS positioning module, a displacement sensor, a vibration sensor, an infrared detector, an alarm unit, a drive circuit, a timing unit timing the controller so as to trigger the vibration sensor and the infrared detector through a trigger switch at schedule time, a wireless communication module sending an alarm message to the mobile phone of a designated monitoring person when a motor performs unexpected movement, and a power supply in connection with the controller. The antitheft supervising device housing is provided with a time setting module used for setting the scheduled time. The college motor laboratory antitheft supervising device has the characteristics of simple structure, convenient installation and low investment cost, and can not only effectively threaten thieves, but also position and track the thieves, thereby greatly improving the efficiency of solving a case.

The invention relates to an anti-theft barrier, which comprises a wrappage, a working power supply, a vibration sensor, a control module, a relay, and an annunciator, wherein one output end of the vibration sensor is connected with an input end of the control module; one output end of the control module is connected with the delay; the annunciator is connected with the control module by the relay; one output end of the control module is connected with a short message alarming module; one output end of the control module is connected with an image capturing device; and the relay is connected with the control module by a switch. The annunciator is disguised as a barrier with arbitrary shape so that the barrier gives alarm in the situation that the theft has no vigilance. Apart from acousto-optic alarm and short message alarm, the image of the theft can be photographed in the process of committing a crime to be used when police solves a case, thus accelerating the efficiency of solving the case.