CN112446576A - Criminal investigation flow management method and system - Google Patents
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Abstract
The invention provides a criminal investigation flow management method and a criminal investigation flow management system, wherein the criminal investigation flow management method comprises the following steps: according to the alarm information from the server side, the terminal sends an instruction to the intelligent wearable device connected with the terminal, so that the intelligent wearable device carries out on-site investigation according to the received instruction; the terminal collects and processes the on-site investigation information from the intelligent wearable equipment; the terminal draws the site environment according to the result of the site survey information processing; and the terminal uploads the field environment drawing result to the server. Providing a hardware foundation for realizing visual intelligent investigation; establishing on-site survey remote live broadcast by taking an optimized encrypted network as a transmission channel, and realizing real-time visual interaction between a front end and a background, and between survey personnel and experts, and visual backtracking of a survey process; the current exploration information circulation input is realized, and case study and judgment series and field peripheral case occurrence condition visual display and the like are initiated.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of criminal investigation and investigation, in particular to a criminal investigation flow management method and a criminal investigation flow management system.
[ background of the invention ]
In recent years, domestic criminal investigation field investigation work is trying to change to the aspect of mobile informatization, which is mainly reflected in the aspect of field information input, the input work of investigation information is advanced to a field investigation link by virtue of a mobile phone APP product, and the convenience recording and input of ordinary case investigation information are primarily realized, however, the products cannot liberate two hands, cannot realize the synchronization of investigation and recording, and greatly limits the investigation work.
At present, the exploration equipment at home and abroad always stays at the aspect of informatization exploration and trial, and the functions of the equipment are difficult to achieve the ideal effect, which is mainly shown as follows: the variety is various, the function is single, and the carrying is inconvenient; the degree of informatization is not high, and real-time interaction of information such as voice, images, videos and the like cannot be realized among investigation personnel, investigators, commanders and experts at the same time; lack the intellectuality, investigation efficiency can not obtain promoting, and the on-the-spot investigation volume that highly lives can not down causes the investigation personnel's operating pressure to not obtain alleviating fundamentally.
[ summary of the invention ]
The technical problem to be solved by the invention is to provide a criminal investigation flow management method and system, which can automatically collect site base station and GPS information, record site environment and trace material evidence with a shooting function, display intelligent push information by lens projection screen, and provide hardware foundation for realizing visual intelligent investigation; establishing on-site survey remote live broadcast by taking an optimized encrypted 4G network as a transmission channel, and realizing real-time visual interaction between a front end and a background, between survey personnel and experts and visual backtracking in a survey process; the current exploration information circulation input is realized, and case study and judgment series and field peripheral case occurrence condition visual display and the like are initiated.
In order to solve the above technical problem, in one aspect, an embodiment of the present invention provides a criminal investigation flow management method, including:
according to the alarm information from the server side, the terminal sends an instruction to the intelligent wearable device connected with the terminal, so that the intelligent wearable device carries out on-site investigation according to the received instruction;
the terminal collects field investigation information from the intelligent wearable equipment;
the terminal draws the site environment according to the result of the site survey information processing;
and the terminal uploads the field environment drawing result to the server.
Preferably, the terminal is connected with the intelligent wearable device through a data line or a network.
Preferably, before the terminal sends an instruction to the smart wearable device connected thereto, so that the smart wearable device performs an on-site survey according to the received instruction, the method includes: the terminal provides case information, survey requirements and survey directions for the intelligent wearable device.
Preferably, the intelligent wearable device carries out on-site investigation and includes: the intelligent wearable device records and/or takes pictures of a scene, stores videos and/or pictures and transmits the videos and/or pictures to the terminal.
Preferably, the terminal collecting the on-site survey information from the intelligent wearable device comprises: and the terminal collects on-site investigation information, fingerprint information, trace characteristic information and on-site material evidence information.
Preferably, the terminal collecting the on-site survey information from the intelligent wearable device comprises: after the case information is subjected to voice signal preprocessing and feature extraction, acoustic model and mode matching and language model and language processing through the intelligent wearable device, the key points of the investigation function are matched to form a guidance mode.
Preferably, the drawing, by the terminal, the site environment according to the result of the collected site survey information includes: and the terminal draws the site environment according to the collected result of the site survey information and presents the site environment drawing result to the intelligent wearable equipment.
Preferably, the terminal collecting the on-site survey information from the intelligent wearable device comprises: and the terminal analyzes the case process and counts and classifies the case types.
Preferably, the intelligent wearable device comprises a glasses terminal, a handheld terminal, a wearable terminal and a wearable terminal.
Preferably, the terminal collecting and processing the on-site survey information includes: the terminal collects base station information, GPS information and a field azimuth map.
Preferably, the terminal collecting the footprint fingerprint information includes: the terminal collects fingerprint information, uploads the fingerprint information to the server side, and the server side compares the fingerprint information quickly.
Preferably, the terminal collecting the on-site physical evidence information comprises: and the terminal collects material evidence information, associates the material evidence information with the material evidence bag and the material evidence bar code and generates a delivery inspection entrusting list.
Preferably, the survey functional gist includes: observing the door frame edge, the cat eye, the lock tongue, the key groove, the material evidence, the hair, the fighting trace, the bloodstain and the field part of the case, determining whether the wiping trace, the prying trace, the separating trace and the destroying trace exist or not, and searching whether the fingerprint, the glove mark and the adhesive exist on the surfaces of the door and the handle or not.
Preferably, the statistically classified case categories include: a flow type case, a numerical calculation type case, a data statistics type case and a quality monitoring type case.
Preferably, the intelligent wearable device is provided with a voice device, and the voice device sends instruction information to the terminal.
Preferably, the intelligent wearable device is provided with a display device, and the display device synchronously displays an application interface of the terminal.
Preferably, the handheld device comprises a recording pen, a smart band, a smart watch, a smart phone, a palm computer and a tablet computer.
Preferably, the wearable terminal includes a badge.
Preferably, the wearable terminal includes a smart garment.
Preferably, the flow scheme refers to: and (4) cases which pay attention to the exploration process in the exploration process.
Preferably, the numerical calculation formula refers to: and (4) cases concerned about quantity, position, property and feature calculation of the articles in the exploration process.
Preferably, the data statistics case refers to: and (4) cases paying attention to the aspects of quantity, position, property and feature probability statistics of the articles in the exploration process.
Preferably, the quality monitoring case refers to: and (4) cases for monitoring the exploration process, the integrity and the standardization of exploration data in the exploration process.
On the other hand, an embodiment of the invention provides a criminal investigation flow management system, which comprises a server end, a terminal and a portable intelligent wearable device, wherein the terminal is connected with the intelligent wearable device through a data line, and the system executes the criminal investigation flow management method.
Compared with the prior art, the technical scheme has the following advantages: the intelligent wearable equipment is carried to automatically acquire on-site base station and GPS information, a shooting function is carried to record on-site environment and trace material evidence, and the lens projection screen displays intelligent pushing information to provide a hardware basis for realizing visual intelligent investigation; establishing on-site survey remote live broadcast by taking an optimized encrypted 4G network as a transmission channel, and realizing real-time visual interaction between a front end and a background, between survey personnel and experts and visual backtracking in a survey process; the current exploration information circulation input is realized, and case study and judgment series and field peripheral case occurrence condition visual display and the like are initiated.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a flow chart of a criminal investigation flow management method of the invention.
Fig. 2 is a schematic view of a criminal investigation flow management system structure for implementing the criminal investigation flow management method of the present invention.
Fig. 3 is a schematic structural diagram of an intelligent guiding system in a criminal investigation flow management method applying the invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Fig. 1 is a flow chart of a criminal investigation flow management method of the invention. As shown in fig. 1, a criminal investigation flow management method includes the steps of:
s11, according to the alarm information from the server, the terminal sends an instruction to the intelligent wearable device connected with the terminal, so that the intelligent wearable device carries out site investigation according to the received instruction;
s12, collecting field investigation information from the intelligent wearable equipment by the terminal;
s13, drawing the site environment according to the result of the collected site survey information by the terminal;
and S14, uploading the drawing result of the site environment to the server side by the terminal.
During specific implementation, the terminal is in wireless connection with the intelligent wearable device through a data line or a TYPE-C interface. Send the instruction at the terminal for intelligent wearing equipment to make intelligent wearing equipment include before carrying out the on-the-spot investigation: the terminal provides case information, investigation requirement, investigation guide to intelligent wearing equipment. During specific implementation, intelligent wearing equipment carries out on-the-spot investigation and includes: the intelligent wearable device records and/or takes pictures of a scene, stores videos and/or pictures and uploads the videos and/or pictures to the server side. The terminal collects the on-site investigation information from the intelligent wearable device and comprises: the terminal collects on-site investigation information, fingerprint information, trace characteristic information and on-site material evidence information; after the case information is subjected to voice signal preprocessing and feature extraction, acoustic model and mode matching and language model and language processing through the intelligent wearable device, the key points of the investigation function are matched, and a guidance mode and the like are formed. When specifically implementing, the investigation functional key point includes: observing the door frame edge, the cat eye, the lock tongue, the key groove, the material evidence, the hair, the fighting trace, the bloodstain and the field part of the case, determining whether the wiping trace, the prying trace, the separating trace and the destroying trace exist or not, and searching whether the fingerprint, the glove mark, the adhesive substance and the like exist on the surfaces of the door and the handle or not. The terminal draws the site environment according to the result after the site survey information is collected, and the drawing comprises the following steps: and the terminal draws the site environment according to the result after the site survey information is collected, and presents the site environment drawing result to the intelligent wearable equipment. The terminal collects the on-site investigation information from the intelligent wearable device and comprises: and the terminal analyzes the case process and counts and classifies the case types.
A Terminal (Terminal) is also called a Terminal device, and is a device located at the outermost periphery of a network in a computer network, and is mainly used for inputting user information and outputting a processing result. In the age of personal computers, personal computers may run programs called terminal emulators to emulate the operation of a terminal. With the development of mobile networks, mobile terminals (such as mobile phones and PADs) are widely used. In this case, the terminal can not only undertake input and output operations, but also perform certain operations and processing to implement partial system functions. The mobile terminal or called mobile communication terminal refers to a computer device which can be used in mobile, and broadly includes a mobile phone, a notebook, a tablet computer, a POS machine, and even a vehicle-mounted computer. But most often refer to cell phones or smart phones and tablets with multiple application functions. With the development of networks and technologies towards increasingly broader bands, the mobile communications industry will move towards a true mobile information age. On the other hand, with the rapid development of integrated circuit technology, the processing capability of the mobile terminal has already possessed strong processing capability, and the mobile terminal is changing from a simple conversation tool to an integrated information processing platform. This also adds more development space to mobile terminals. The intelligent wearable device comprises but is not limited to a glasses terminal, a handheld terminal, a wearing terminal and a wearable terminal. The intelligent wearable device is provided with a voice device, and the voice device can send instruction information to the terminal except for receiving an instruction of a user using the intelligent wearable device. The intelligent wearable device is further provided with a display device, and the application interface of the terminal is displayed by the synchronous display device. Therefore, the surveyor can watch the site survey situation through eyes, and hands are liberated. Handheld devices include, but are not limited to, recording pens, smart bracelets, smart watches, smart phones, palm computers, tablet computers. The wearing terminal includes, but is not limited to, a badge. Wearable terminals include, but are not limited to, smart apparel. During concrete implementation, different modes can be designed as required to the intelligent wearable equipment, such as according to wearing weight, travelling comfort, portability requirement and designing, the intelligent wearable equipment is introduced, both hands can be liberated, and convenience is provided for exploration. Through the display device who sets up on the intelligent wearing equipment, can reach the visual effect of investigation. In the development of the optical module industry at the present stage, the display effect of the schemes such as prism, free-form surface and off-axis display is not ideal, and the problems of large picture particles, low resolution, high power consumption, heavy weight and the like are solved. In specific implementation, the display device of the intelligent wearable device can adopt a brand-new optical waveguide technology as an optical display terminal. In order to ensure the exploration quality, the integration requirement on electronic devices of intelligent wearable equipment is higher, multiple platforms are compatible, the requirements of terminal calculation, communication, audio and video and the like are met, and the miniaturized circuit design integration is realized.
The terminal collects and processes the on-site survey information, including: the terminal collects base station information, GPS information and a field azimuth map. The system collects the information of the base station and the GPS on the spot, and belongs to electronic material evidence in criminal investigation. Theoretically, the mobile phone information of the personnel accessing the GPS information of the base station within a time period of a case can be read and verified by accessing the base station at a later stage. The terminal collects and processes fingerprint information including: the terminal collects the footprint fingerprint information and uploads the footprint fingerprint information to the server side, and the server side compares the footprint fingerprint information. The terminal collects and processes the field physical evidence information, which comprises the following steps: and the terminal collects material evidence information, associates the material evidence information with the material evidence bag and the material evidence bar code and generates a delivery inspection entrusting list. The statistically classified case categories include: a flow type case, a numerical calculation type case, a data statistics type case and a quality monitoring type case. The flow case refers to: and (4) cases which pay attention to the exploration process in the exploration process. The numerical case refers to: and (4) cases concerned about quantity, position, property and feature calculation of the articles in the exploration process. The data statistics case refers to: and (4) cases paying attention to the aspects of quantity, position, property and feature probability statistics of the articles in the exploration process. The quality monitoring case refers to: and monitoring the quantity, position, property and characteristic quality of the articles in the exploration process.
At present, PDT (Police Digital Trunking) professional Trunking talkback is adopted by mainstream Police terminal equipment to realize audio bidirectional interaction, but the function of conducting visual command consultation through videos is not popularized. The difficulty of the technology solution of the visual communication based on the public security network is the confidentiality of the public security network, a stable visual communication frame in the system is designed according to a complex network environment, the concurrency number of the visual communication in the system is improved as much as possible on the premise of ensuring limited network bandwidth resources, and the delay and the pause phenomenon caused by the network problem are reduced on the premise of smoothness of communication video contents. Because the network architecture of the public security network has particularity, and the specific network environment of each province and city is different. And carrying out visual communication, namely respectively accessing the public security information network and the video private network through an isolation network gate by a networking service area provided by a platform access party, wherein the data singles of the video private network flow to the public security information network. Due to the particularity of the public security network, communication modes such as WIFI and Bluetooth are limited, and when the method is specifically implemented, a brand-new public security mobile information APN private network can be adopted for communication between the terminal and between the terminal and the server side.
Example two
Fig. 2 is a schematic view of a criminal investigation flow management system structure for implementing the criminal investigation flow management method of the present invention. As shown in fig. 2, the server is provided with an alarm receiving center. And the alarm receiving center pushes the alarm condition to the terminal through the APN mobile information network for the police through the public security intranet. And after receiving the warning condition from the server, the terminal performs warning arrangement, arrives at the site and performs site protection. The terminal carries intelligent wearing equipment. The intelligent wearable device automatically collects information of a site base station and a GPS. The terminal provides case information, investigation requirement and investigation guide for intelligent wearing equipment. And the terminal performs on-site investigation according to the guide and protects/fixes the site. The intelligent wearable device provides a photographing function, and the picture is stored to the device and uploaded to the intranet platform through the APN wireless network special for the intranet. The intelligent wearable device actively reports through the front end, and the center commands and schedules, so that the server end command center/personnel can analyze and judge the field condition. The server side provides guidance suggestion/pictures/characters/documents/voice/videos to the intelligent wearable device and pushes the guidance suggestion/pictures/characters/documents/voice/videos to the front end, and the intelligent wearable device provides remote video consultation and information display of drawing boards, data and the like and conducts real-time video, voice and information interaction. The terminal collects information of the on-site case, the intelligent wearable device provides case area inner case presentation, base station information collection, on-site azimuth map and on-site investigation information filling. And the functions of voice input and automatic form filling are supported. The intelligent wearable device feeds back the case presenting condition in the case area to the server side, and the background of the server side synchronizes the site investigation data in real time. The terminal collects the footprint fingerprint information, the intelligent wearable device provides the functions of collecting, storing and comparing the footprint fingerprint, and the footprint fingerprint information is uploaded to the platform through the special APN network. The intelligent wearable device uploads fingerprint comparison information to the server, the server background is compared with the finger-palm print library and the footprint library in real time, and a result is fed back to the intelligent wearable device. And the intelligent wearable equipment displays the fingerprint comparison result and performs further investigation according to the comparison result. The terminal material evidence is collected, the intelligent wearable device provides material evidence detailed description filling, material evidence bag association and material evidence bar code association functions, a delivery inspection entrusting form is automatically generated, and the information is updated to the server side. The server side is synchronous with the material evidence big data platform, the material evidence tracing function is improved, and real-time feedback is carried out. The terminal draws the field environment, the intelligent wearable device provides a field diagram drawing function and a direction diagram automatic generation function, and the information is updated to the server side. And the background of the server side synchronizes the data of the case field map and the azimuth map in real time. The terminal issues a case to visit the site, and the intelligent wearable device provides functions of voice conversion character input, electronic signature and the like and uploads the functions to the server background synchronously. The terminal provides a detection interaction function for field case process analysis and intelligent wearable equipment, knowledge base inquiry, case type analysis, expert base access and group communication are supported, communication with the server is carried out, and a server background database and criminal exploration experts participate in case analysis work. The terminal confirms case information, the intelligent wearable device provides case information quality monitoring, the important point information is monitored, information such as photos, forms and videos is confirmed and reported to the server side, the background of the server side synchronizes the case information, and meanwhile, the public security survey system is reported.
The system needs to support multithreading and multitask concurrency, and particularly meets the requirements of simultaneous use of other functions of software in the audio and video acquisition and remote consultation processes. During specific implementation, the design based on an android platform can be selected, and multithreading and multiprocess mutual optimization is adopted, so that multifunctional concurrent application is realized.
The investigation information has the characteristics of multiple projects and fine branches, however, the existing police terminal equipment mostly adopts interaction modes such as a touch display screen and keys, and has the problems of multiple equipment types, low recording efficiency, complex operation and the like. The voice recognition technology is utilized to realize the operation of the terminal equipment through voice, and the following beneficial effects can be achieved: the deployment application of a voice recognition basic platform, deep learning of voice instructions, big data analysis of a semantic analysis algorithm, a recognition algorithm of a voice-to-character function and the like have accuracy; and accurately analyzing and comparing the knowledge base information at the background, and accurately dividing the guide information into a flow form guide, a numerical calculation type guide, a data statistics type guide and a quality monitoring type guide. According to the voice instruction of the personnel handling the case, the system can provide the most accurate guiding information for the personnel handling the case by combining the case type, and the investigation efficiency can be improved.
During specific implementation, the coded information of the material evidence can be bound with the visual data, so that the whole-course tracking and management of the material evidence can be realized. The method provides a basis for the fine management of the video image recognition algorithm, a large amount of material evidence information and the corresponding case flow on the cloud platform storage.
Information acquisition such as audio and video, case information, pictures, material evidence and the like and fusion analysis of the existing system are realized at the terminal, data interaction is carried out between service systems including fingerprints, footprints, case reception and the like and basic services such as voice, maps and the like, and real-time feedback of the front end and the back end is realized. The method solves the problems of data barriers, data formats and docking requirements among systems, docking with the existing command system and docking of data communication among terminal equipment.
EXAMPLE III
And (4) the surveyor enters the site to patrol and understand the site general situation. The investigation personnel carry dresses intelligent investigation equipment. The wearable intelligent investigation equipment issues case information according to the backstage, accesses a management backstage knowledge base through an APN channel, reads related case investigation key points and investigation sequences, and synchronously displays the case information on the optical machine of the head-mounted equipment to the equipment end. In the process of the entrance investigation, the key points of the entrance investigation are prompted, and the investigation equipment is needed. In specific implementation, the following is suggested:
observing the positions of the door frame edge, the cat eye, the lock tongue, the key groove and the like, determining whether scratches, prying, separation and damage traces exist, and searching whether fingerprints, glove marks, adhesive substances and the like exist on the surfaces of the door and the handle. If the door and the lock body have functional traces, photographing and extracting are needed, and if criminal fingerprints, glove marks or stickers are found, cotton swabs are wiped after photographing and fixing, and the like. The site investigation personnel can directly record the site condition in a voice mode through observing and analyzing the site. The guidance system performs voice signal preprocessing and feature extraction, acoustic model and mode matching and language model and language processing on voice, and matches specific functional key points and instructions through condition judgment. The specific implementation is as follows:
1. in the survey process, on-site case description is carried out by current survey personnel, the system records the survey process in a form of 'voice to character', and the system mainly records the central on-site survey condition, wherein the central on-site survey condition mainly comprises on-site position and environment outline, and the number, quantity, position, character, characteristic, extraction mode and the like of trace material evidence; the wearable equipment is used for drawing a site picture, taking a site picture, recording the investigation process with evidence, reflecting the basic conditions of site direction, position, environment and the like, and printing the position, the details and the like of the material evidence of the trace.
2. And after the voice of the information description system is converted into the later words, condition judgment is carried out, the description characteristic value is automatically prompted, and meanwhile, footprints are supported, the drawing function is automatically called, and hardware information such as a camera and a GPS is called.
3. And feeding back to a system display interface to support voice reminding and the like.
After the survey is finished, the system can display the processing suggestion of 'whether to reserve' by voice. On the spot which does not need to be reserved, relevant units and personnel should be informed in time to process, on the spot which needs to be reserved, relevant units and individuals should be informed in time, and specially-assigned persons should be appointed to request prompt guidance such as proper protection.
Example four
Fig. 3 is a schematic structural diagram of an intelligent guiding system in a criminal investigation flow management method applying the invention. As shown in fig. 3, a user carrying a wearable intelligent investigation apparatus performs criminal investigation leading work. Dress intelligent investigation equipment has equipment input and equipment output. The input end of the equipment is provided with a voice recording unit and a data calculating unit. The voice recording unit is provided with a voice instruction set, a function switching set and a character recording set. The data calculation unit identifies the characters. The character recognition unit preprocesses the speech signal and extracts the characteristic. After preprocessing and characteristic extraction of the speech signals, matching the acoustic model and the pattern, and performing character recognition again after processing the speech model and the speech. After character recognition, condition judgment is carried out, and calculation is carried out again through the data calculation unit. The device output end is provided with a display terminal and a voice prompt end. And after the data computing unit computes the data, the data is subjected to system call application, hardware call and background data call through the response unit. The system call comprises the steps of starting drawing software, obtaining site geographical position information, obtaining base station information and wifi information. The hardware calling comprises camera function calling, GPS positioning calling and display driving calling. The background data calling comprises the steps of acquiring the site position, summarizing the surrounding environment of the case and acquiring traces, and acquiring the number, the position, the shape, the characteristics and the extraction mode of the physical evidence. And the user terminal sets the associated key information judgment condition logic to judge the condition. And collecting space electronic information and surveying the access. The investigation of the entrance and exit includes the investigation of an entrance door, the investigation of the ground under the door, and the investigation of balconies and windows. And (4) surveying the entrance and the exit, and then carrying out central on-site survey. The center site survey comprises ground survey, turned part survey, damaged part survey and walking route accessory survey. After the central site is surveyed, the objects are detained and managed, the site conditions are recorded and searched, the peripheral site is surveyed, the associated site is surveyed, and the site is analyzed. Analyzing the site includes analyzing the overall outline of the site, judging the case property, what the case is formed, case serial-parallel analysis, analysis of the case tool, action portrayal, analysis of the case process, investigation of direction and scope, etc. After the site is analyzed, the site is processed, and the site information is input to form a case database for providing basic support for investigation, research and the like of other terminal users. According to the explanation, the criminal investigation process management method and the criminal investigation process management system provided by the invention fully utilize the current advanced artificial intelligence and big data technology, develop the integrated information interaction and consultation, acquisition and transmission, recording and recording, guidance and traceability, solve the practical problems of long continuity of investigation work, low informatization and intelligence degree of investigation equipment, weak investigation information interaction, few background visualization technology support and interaction, poor association of material evidence in the investigation and inspection links and the like, release the investigation productivity, improve the investigation efficiency and provide strong technical support for the close investigation link. The functions of field information interaction and remote consultation, selective case presentation of cases, field information acquisition and transmission, field information intelligent recording and inputting, survey skill prompting and quality monitoring, source tracing of field physical evidence and the like are realized, the hands of field survey personnel are liberated, the maximum support of intelligence, data resources and the like is provided for the survey personnel, the current situation that the field survey efficiency is not high due to the fact that a person relies on one pen to fight alone and one complicated record and one complicated transfer to inquire and compare field traces is changed, the dilemma and the situation that the field physical evidence is complicated to comb are eliminated, the working efficiency is improved, the existing survey mode is renovated, and the informatization, the datamation and the intellectualization of the field survey are realized. The beneficial effects are as follows:
(1) the intelligent survey system integrates the top technologies in the aspects of communication, optical waveguide, audio and video and the like at home and abroad, designs and develops wearable intelligent survey equipment, liberates two hands, automatically acquires site base station and GPS information, records site environment and trace material evidence with a shooting function, and displays intelligent push information by lens screen projection so as to provide a hardware basis for realizing visual intelligent survey;
(2) establishing on-site survey remote live broadcast by taking an optimized encrypted 4G network as a transmission channel, and realizing real-time visual interaction between a front end and a background, between survey personnel and experts and visual backtracking in a survey process;
(3) the intelligent survey management system is developed, wearable intelligent survey equipment is fused with a survey system, a fingerprint system, a footprint system, a research and judgment serial-parallel system and an inspection and identification acceptance system in series, the information circulation input of the survey is realized, the fingerprints and the footprints on site are quickly transmitted, compared and reversed, case research and judgment serial is initiated and is visually displayed with the case sending conditions around the site, the material evidence collection and the inspection on site are synchronously associated, the information intercommunication of the survey site, the case command and the criminal investigation system is really realized, the resultant force is formed, and the operational capacity and the efficiency are improved. And intelligently checking the investigation quality based on machine learning and semantic recognition;
(4) the intelligent investigation ability based on developing intelligent voice realizes man-machine voice interaction, liberates both hands, mainly includes: the machine training learns the current survey stroke record information, and combines the semantic recognition technology to realize the current survey voice screening type character conversion and the current survey information intelligent recording; the voice dictation ability is trained and learned in a targeted manner, and a foundation is provided for a voice instruction operating system and a voice instruction triggering investigation skill;
(5) and researching a tracing technology of associating the on-site material evidence with the laboratory material inspection. The method is characterized in that the evidence is endowed on site from extraction to inspection to the stored unique code, an evidence file based on site evidence picture, an evidence bar code and site audio and video is established, one object one code and one object one file are established from the source, and the investigation relation based on the evidence is further smoothed.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (24)
1. A criminal investigation flow management method is characterized by comprising the following steps:
according to the alarm information from the server side, the terminal sends an instruction to the intelligent wearable device connected with the terminal, so that the intelligent wearable device carries out on-site investigation according to the received instruction;
the terminal collects field investigation information from the intelligent wearable equipment;
the terminal draws the site environment according to the result of the collected site survey information;
and the terminal uploads the field environment drawing result to the server.
2. The criminal investigation flow management method of claim 1, wherein the terminal is connected to the intelligent wearable device through a data line or a network.
3. The criminal investigation flow management method of claim 1, wherein before the terminal sends an instruction to the intelligent wearable device connected to the terminal, so that the intelligent wearable device performs the on-site investigation according to the received instruction, the method comprises: and the terminal sends case information, an exploration requirement and an exploration guide to the intelligent wearable device.
4. The criminal investigation flow management method of claim 1, wherein the intelligent wearable device performs on-site investigation comprising: the intelligent wearable device records and/or takes pictures of a scene, stores videos and/or pictures and transmits the videos and/or pictures to the terminal.
5. The criminal investigation flow management method of claim 1, wherein the terminal collecting the on-site investigation information from the intelligent wearable device comprises: the terminal collects on-site investigation information, fingerprint information, trace characteristic information and on-site material evidence information.
6. The criminal investigation flow management method of claim 1, wherein the terminal collecting the on-site investigation information from the intelligent wearable device comprises: after the case information is subjected to voice signal preprocessing and feature extraction, acoustic model and mode matching and language model and language processing through the intelligent wearable device, the key points of the investigation function are matched to form a guidance mode.
7. The criminal investigation flow management method of claim 1, wherein the terminal mapping the site environment according to the collected site investigation information comprises: and the terminal draws the site environment according to the result of the collected site survey information and presents the site environment drawing result to the intelligent wearable equipment.
8. The criminal investigation flow management method of claim 1, wherein the terminal collecting the on-site investigation information from the intelligent wearable device comprises: and the terminal analyzes the case process and counts and classifies the case types.
9. The criminal investigation flow management method according to claim 1, wherein the intelligent wearable device comprises a glasses terminal, a handheld terminal, a wearable terminal, and a wearable terminal.
10. The criminal investigation flow management method of claim 5, wherein the terminal collecting and processing on-site investigation information comprises: and the terminal collects and processes the base station information, the GPS information and the field azimuth map.
11. The criminal investigation flow management method of claim 5, wherein the terminal collecting fingerprint information comprises: the terminal collects fingerprint information, uploads the fingerprint information to the server side, and the server side compares the fingerprint information quickly.
12. The criminal investigation flow management method of claim 5, wherein the terminal collecting the on-site material evidence information comprises: and the terminal collects material evidence information, associates the material evidence information with the material evidence bag and the material evidence bar code and generates a delivery inspection entrusting list.
13. The criminal investigation procedure management method of claim 6, wherein the investigation functional essentials comprise: observing the door frame edge, the cat eye, the lock tongue, the key groove, the material evidence, the hair, the fighting trace, the bloodstain and the field part of the case, determining whether the wiping trace, the prying trace, the separating trace and the destroying trace exist or not, and searching whether the fingerprint, the glove mark and the adhesive exist on the surfaces of the door and the handle or not.
14. The criminal investigation procedure management method of claim 8, wherein statistically classifying case categories comprises: a flow type case, a numerical calculation type case, a data statistics type case and a quality monitoring type case.
15. The criminal investigation flow management method according to claim 1, wherein the intelligent wearable device has a voice device, and the voice device sends instruction information to a terminal.
16. The criminal investigation flow management method of claim 1, wherein the intelligent wearable device has a display device, and the display device is used for displaying an application interface of a terminal.
17. The criminal investigation procedure management method according to claim 9, wherein the handheld device comprises a recording pen, a smart bracelet, a smart watch, a smart phone, a palm computer, a tablet computer.
18. The criminal investigation procedure management method of claim 9, wherein the wearing terminal comprises a badge.
19. The criminal investigation procedure management method of claim 9, wherein the wearable terminal comprises a smart garment.
20. The criminal investigation procedure management method of claim 14, wherein the flow pattern case refers to: and (4) cases which pay attention to the exploration process in the exploration process.
21. The criminal investigation flow management method of claim 14, wherein the numerical calculation case refers to: and (4) cases concerned about quantity, position, property and feature calculation of the articles in the exploration process.
22. The criminal investigation flow management method of claim 14, wherein the data statistics case refers to: and (4) cases paying attention to the aspects of quantity, position, property and feature probability statistics of the articles in the exploration process.
23. The criminal investigation flow management method of claim 14, wherein the quality-monitored case refers to: and (4) cases for monitoring the exploration process, the integrity and the standardization of exploration data in the exploration process.
24. A criminal investigation flow management system, comprising a server, a terminal and a portable intelligent wearable device, wherein the terminal is connected with the intelligent wearable device through a data line, and the system executes the criminal investigation flow management method according to any one of claims 1 to 23.
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| CN115905250A (en) * | 2022-09-02 | 2023-04-04 | 茂名市公安局 | Electronic material evidence investigation management method, device, storage medium and system |
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