CN112614395A - Training method based on VR (virtual reality) field investigation training platform - Google Patents
Training method based on VR (virtual reality) field investigation training platform Download PDFInfo
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- CN112614395A CN112614395A CN202011475763.3A CN202011475763A CN112614395A CN 112614395 A CN112614395 A CN 112614395A CN 202011475763 A CN202011475763 A CN 202011475763A CN 112614395 A CN112614395 A CN 112614395A
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- 238000012549 training Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000011835 investigation Methods 0.000 title claims abstract description 34
- 230000000007 visual effect Effects 0.000 claims abstract description 52
- 238000004088 simulation Methods 0.000 claims abstract description 23
- 239000011521 glass Substances 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000007619 statistical method Methods 0.000 claims description 13
- 238000013461 design Methods 0.000 claims description 7
- 238000012552 review Methods 0.000 claims description 7
- 238000011840 criminal investigation Methods 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 6
- 238000009795 derivation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/006—Simulators for teaching or training purposes for locating or ranging of objects
Abstract
The invention provides a training method based on a VR (virtual reality) field investigation training platform, which comprises the following steps: s1, starting a host, connecting the host with a server and loading a simulation scene needing investigation training; s2, installing the VR treadmill, VR glasses, VR gloves, VR voice devices and high-definition video templates and carrying out test detection; s3, when the equipment is checked, arranging a tester to wear VR glasses, VR gloves and VR voice devices and to prepare to be in place on the VR treadmill; s4, opening the high-definition video template, and carrying out 360-degree all-dimensional monitoring, wherein at the moment, a tester starts to carry out exploration training; and S5, when the survey training is finished, the detailed process of the on-site survey training can be checked through the third person visual angle or the first person visual angle of the display, the first person visual angle of the display and the VR visual angle.
Description
Technical Field
The invention relates to the technical field related to police judicial, in particular to a training method based on a VR (virtual reality) field investigation training platform.
Background
The prior criminal site investigation training work still stays at the early development stage, the site investigation sequence is not standard, the site is small, the site quantity is limited, the scene setting is not standard, the site investigation equipment is less, and the professional instructor is less, so that the trainees can take the measures in the site investigation and practice process, the site investigation quality of the trainees can not be practically improved, and the full police investigation becomes the inevitable development trend of future public security for the discovery and cultivation of the professional criminal technical talent potential and the promotion of the classified inspection work in the large environment of requiring the professional team to develop the full-quality ability.
Virtual Reality (abbreviated as VR) is a new practical technology developed in the 20 th century. The virtual reality technology comprises a computer, electronic information and simulation technology, and the basic realization mode is that the computer simulates a virtual environment so as to provide people with environmental immersion. With the continuous development of social productivity and scientific technology, VR technology is increasingly in great demand in various industries. The VR technology has made great progress and gradually becomes a new scientific and technical field.
Also appeared among the prior art the relevant patent that VR technique and on-the-spot investigation training combined together, but above-mentioned patent exists the VR function and is not complete enough, uses the scene and builds more slowly, causes the card pause phenomenon etc. easily.
Based on the situation, a training method based on a VR (virtual reality) field investigation training platform with rapid application scene and smooth scene interaction is urgently needed.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide a training method based on a VR field investigation training platform, which provides convenience and scientific basis for the case detection of the public security system.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a training method of a VR (virtual reality) field investigation training platform comprises a training platform and a training method, wherein the training platform comprises a VR stepper, VR glasses, VR gloves, a VR voice device, a high-definition video template, a keyboard, a mouse, a host and a server, scenes of various field investigation data are stored in the server, the host is connected with the server and used for downloading scene data needing simulation, the VR stepper, the VR glasses and the VR gloves are all connected with the host and used for loading the scene data for simulation, a voice recognition module and a semantic analysis module are integrated on the VR voice device and used for recording conversations of testers, the VR voice device is connected with the host, the high-definition video template is used for recording various actions and detailed operations of the testers and used for fine criminal investigation analysis, and the high-definition video template is connected with the host and used for fine criminal investigation analysis through the host, Operating a keyboard and a mouse, wherein the operating visual angle can be a third person visual angle or a first person visual angle of the display; the host computer is matched with the VR stepper, the VR glasses and the VR gloves to operate, and the operating visual angle is a first-person visual angle of the display; the VR treadmill, the VR glasses and the VR gloves are operated, an operation visual angle is a VR visual angle, a third person visual angle or a first person visual angle of the display, a first person visual angle of the display and a VR visual angle are recorded in an operation process through the host, and interaction and online cooperation can be carried out through the server to carry out site investigation training;
the training method comprises the following steps:
s1, starting a host, connecting the host with a server and loading a simulation scene needing investigation training;
s2, installing the VR treadmill, VR glasses, VR gloves, VR voice devices and high-definition video templates and carrying out test detection;
s3, when the equipment is checked, arranging a tester to wear VR glasses, VR gloves and VR voice devices and to prepare to be in place on the VR treadmill;
s4, opening the high-definition video template, and carrying out 360-degree all-dimensional monitoring, wherein at the moment, a tester starts to carry out exploration training;
and S5, when the survey training is finished, the detailed process of the on-site survey training can be checked through the third person visual angle or the first person visual angle of the display, the first person visual angle of the display and the VR visual angle.
Furthermore, a grading module is arranged on the host, and when the survey training is finished, the on-site survey specialty and the standard of the user are automatically evaluated through the grading module, and grading and reporting are given.
Further, the scoring criteria of the scoring module is freely set by an administrator.
The system further comprises an entry module, wherein the entry module is installed on the host, and an administrator can design scenes and evidence points through the entry module in a DIY mode on site before testing starts.
The system further comprises a statistical analysis module, wherein the statistical analysis module is installed on the host, and when the survey training is finished, all students perform statistical analysis on the performances of different scenes through the statistical analysis module to give analysis reports.
The system further comprises a re-disc module, wherein the re-disc module is installed on the host, and when the exploration training is finished, the re-disc module records the relevant data of the trainees and can be called and checked at any time.
Furthermore, when the training students find important clues, the on-site simulation training can be suspended through the host computer, and the experts are invited to carry out on-site cooperative investigation.
Furthermore, when the training trainees perform simulation training, the training trainees can perform case derivation process voice analysis on site through a VR (virtual reality) voice device, and voice information and related scene information are recorded through a host.
Has the advantages that: the training method based on the VR on-site investigation training platform is scientific, has good simulation and training effects, and provides powerful support for improving the comprehensive training capacity and the business capacity of case handling personnel.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a training method based on a VR field survey training platform according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a training platform according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to FIGS. 1-2: a training method of a VR (virtual reality) field investigation training platform comprises a training platform and a training method, wherein the training platform comprises a VR stepper, VR glasses, VR gloves, a VR voice device, a high-definition video template, a keyboard, a mouse, a host and a server, scenes of various field investigation data are stored in the server, the host is connected with the server and used for downloading scene data needing simulation, the VR stepper, the VR glasses and the VR gloves are all connected with the host and used for loading the scene data for simulation, a voice recognition module and a semantic analysis module are integrated on the VR voice device and used for recording conversations of testers, the VR voice device is connected with the host, the high-definition video template is used for recording various actions and detailed operations of the testers and used for fine criminal investigation analysis, and the high-definition video template is connected with the host and used for fine criminal investigation analysis through the host, Operating a keyboard and a mouse, wherein the operating visual angle can be a third person visual angle or a first person visual angle of the display; the host computer is matched with the VR stepper, the VR glasses and the VR gloves to operate, and the operating visual angle is a first-person visual angle of the display; the VR treadmill, the VR glasses and the VR gloves are operated, an operation visual angle is a VR visual angle, a third person visual angle or a first person visual angle of the display, a first person visual angle of the display and a VR visual angle are recorded in an operation process through the host, and interaction and online cooperation can be carried out through the server to carry out site investigation training;
the training method comprises the following steps:
s1, starting a host, connecting the host with a server and loading a simulation scene needing investigation training;
s2, installing the VR treadmill, VR glasses, VR gloves, VR voice devices and high-definition video templates and carrying out test detection;
s3, when the equipment is checked, arranging a tester to wear VR glasses, VR gloves and VR voice devices and to prepare to be in place on the VR treadmill;
s4, opening the high-definition video template, and carrying out 360-degree all-dimensional monitoring, wherein at the moment, a tester starts to carry out exploration training;
and S5, when the survey training is finished, the detailed process of the on-site survey training can be checked through the third person visual angle or the first person visual angle of the display, the first person visual angle of the display and the VR visual angle.
It should be noted that most of the existing vr devices in the market allow users to walk in a wide space, so that risks such as wall collision and the like are easily caused, and the suspension wires of vr glasses are also easily pulled. This embodiment has very safe design theory, and through entertaining simulation on VR treadmill, the user can never appear hitting other dangers such as wall in the use. In addition, this embodiment can load the relevant analog data on the server in advance through the host computer, prevents that training platform simulation work from appearing the system card pause, and to sum up, this embodiment can carry out omnidirectional simulation, and the user is the experience of putting into it completely when the operation.
It should be noted that, the related products that can be found at present are all interacted by clicking or other operation methods, which has many defects, and the freedom degree of inquiry of many cases is limited. The embodiment can carry out comprehensive interaction on case inquiry and the submission program of the key certificate, and the tester can communicate with the virtual character in the system like communicating with a real person.
It should be noted that, at present, no design capable of performing detailed investigation on the field is found in the similar products; the high-definition video template of the embodiment records the fine operation of a tester, namely the fine operation of criminal investigation details, for example, a teacup can be taken up and turned over, the cup cover is unscrewed, any part of the teacup is irradiated by special light to find evidence such as fingerprints or bloodstain saliva, and all objects have interaction depth to a certain degree in a scene instead of being individually set.
The training method based on the VR on-site investigation training platform is scientific, has good simulation and training effects, and provides powerful support for improving comprehensive training capacity and business capacity of case handling personnel.
In a specific example, the host is provided with a scoring module, when the survey training is finished, the field survey speciality and the standard of the user are automatically evaluated through the scoring module, and a score and a report are given, wherein the scoring standard of the scoring module is freely set by an administrator.
It should be noted that the professional scoring criteria of the present embodiment are designed by the relevant experts of the police system.
In a specific example, the system further comprises an entry module, wherein the entry module is installed on the host, and an administrator can design scenes and evidence burying points through DIY on site through the entry module before testing starts.
It should be noted that, at present, no DIY design function of the similar products with the scene of on-site survey is found; the scene and the evidence buried point of the embodiment can be freely designed by an administrator, a design tool and a data platform can be provided by our product, and the administrator can carry out DIY on-site investigation according to the requirements on various room layouts, terrains, evidence point positions, case situations and the like.
In a specific example, the system further comprises a statistical analysis module, wherein the statistical analysis module is installed on the host, and when the survey training is completed, the statistical analysis module performs statistical analysis on the performances of all students aiming at different scenes to give an analysis report.
The statistical analysis module of the embodiment can provide effective reference and assessment for the leader in the actual work dispatch.
In a specific example, the system further comprises a review module, wherein the review module is installed on the host, and when the survey training is completed, the review module records relevant data of the trainees and can be called and viewed at any time.
In the embodiment, after the user finishes training or examination, the data platform stores relevant data, and then the operation process of the user is played in a video form, and the process can switch the visual angle of the user and the visual angle of a third person and has the visual angle and the progress of the operation route.
In a specific example, when the training trainees find important clues, the on-site host computer can pause the simulation training and invite the experts to perform on-site cooperative investigation.
This embodiment can in time instruct the student to carry out investigation in coordination through the expert when training the simulation, improves the efficiency of handling a case.
In a specific example, when the training student is performing the simulation training, the training student can perform the case derivation process voice analysis through the VR phonetizer on site, and both the voice information and the related scene information are recorded through the host.
This embodiment can take notes training student's case reasoning process through the VR pronunciation ware and conveniently reviews through the host computer to this improves case handling and training efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A training method of a VR field investigation training platform is characterized by comprising a training platform and a training method, wherein the training platform comprises a VR stepper, VR glasses, VR gloves, a VR voice device, a high-definition video template, a keyboard, a mouse, a host and a server, scenes of various field investigation data are stored on the server, the host is connected with the server and used for downloading scene data needing simulation, the VR stepper, the VR glasses and the VR gloves are all connected with the host and used for loading the scene data for simulation, a voice recognition module and a semantic analysis module are integrated on the VR voice device and used for recording conversations of testers, the VR voice device is connected with the host, the high-definition video template is used for recording various actions and detail operations of the testers and used for fine criminal investigation analysis, and the high-definition video template is connected with the host, through the operation of the host, the keyboard and the mouse, the operation visual angle can be a third person visual angle or a first person visual angle of the display; the host computer is matched with the VR stepper, the VR glasses and the VR gloves to operate, and the operating visual angle is a first-person visual angle of the display; the VR treadmill, the VR glasses and the VR gloves are operated, an operation visual angle is a VR visual angle, a third person visual angle or a first person visual angle of the display, a first person visual angle of the display and a VR visual angle are recorded in an operation process through the host, and interaction and online cooperation can be carried out through the server to carry out site investigation training;
the training method comprises the following steps:
s1, starting a host, connecting the host with a server and loading a simulation scene needing investigation training;
s2, installing the VR treadmill, VR glasses, VR gloves, VR voice devices and high-definition video templates and carrying out test detection;
s3, when the equipment is checked, arranging a tester to wear VR glasses, VR gloves and VR voice devices and to prepare to be in place on the VR treadmill;
s4, opening the high-definition video template, and carrying out 360-degree all-dimensional monitoring, wherein at the moment, a tester starts to carry out exploration training;
and S5, when the survey training is finished, the detailed process of the on-site survey training can be checked through the third person visual angle or the first person visual angle of the display, the first person visual angle of the display and the VR visual angle.
2. The training method of the VR on-site survey training platform of claim 1, wherein a scoring module is provided on the host, and when the survey training is completed, the on-site survey specialty and standard of the user is automatically evaluated by the scoring module and a score and report are given.
3. The training method of the VR field survey training platform of claim 2, wherein the scoring criteria of the scoring module is freely set by an administrator.
4. A training method for a VR field survey training platform as claimed in claim 1, further comprising a logging module, the logging module being installed on the mainframe, and an administrator can design a scene, evidence, and a site by DIY through the logging module before a test is started.
5. The training method of the VR on-site survey training platform of claim 1, further comprising a statistical analysis module, wherein the statistical analysis module is installed on the host, and when the survey training is completed, all trainees perform statistical analysis on the performances of different scenes through the statistical analysis module to give analysis reports.
6. The training method of the VR on-site survey training platform of claim 1, further comprising a review module, the review module is installed on the host, and when the survey training is completed, the review module records relevant data of a student and can be called and viewed at any time.
7. The training method of the VR on-site survey training platform of claim 1, wherein when a training student finds an important lead, the on-site simulation training can be suspended by the host computer, and an expert is invited to perform on-site cooperative investigation.
8. The training method of the VR field survey training platform of claim 1, wherein when the training trainee is performing the simulation training, the training trainee can perform the case derivation process voice analysis through the VR speaker on the field, and both the voice information and the related scene information are recorded through the host.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113128869A (en) * | 2021-04-20 | 2021-07-16 | 广州宏途教育网络科技有限公司 | Occupational competence evaluation method |
| CN113398422A (en) * | 2021-07-19 | 2021-09-17 | 燕山大学 | Rehabilitation training system and method based on motor imagery-brain-computer interface and virtual reality |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106880941A (en) * | 2017-02-20 | 2017-06-23 | 京东方科技集团股份有限公司 | A kind of VR pedestrian systems |
| CN109637256A (en) * | 2019-01-29 | 2019-04-16 | 湖北警官学院 | A kind of criminal investigation virtual emulation practice-training teaching application system and method |
| CN110619777A (en) * | 2019-09-26 | 2019-12-27 | 重庆三原色数码科技有限公司 | Criminal investigation and experiment intelligent training and assessment system based on VR technology and creation method |
| CN110738895A (en) * | 2019-09-16 | 2020-01-31 | 潘涛 | Criminal scene investigation real-scene VR comprehensive training system |
| CN111477049A (en) * | 2020-05-27 | 2020-07-31 | 安庆师范大学 | Intelligent training interaction system for education innovation entrepreneurship training |
| CN111598524A (en) * | 2020-04-02 | 2020-08-28 | 重庆三原色数码科技有限公司 | VR (virtual reality) technology-based multi-person cooperative investigation method and investigation system |
-
2020
- 2020-12-14 CN CN202011475763.3A patent/CN112614395A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106880941A (en) * | 2017-02-20 | 2017-06-23 | 京东方科技集团股份有限公司 | A kind of VR pedestrian systems |
| CN109637256A (en) * | 2019-01-29 | 2019-04-16 | 湖北警官学院 | A kind of criminal investigation virtual emulation practice-training teaching application system and method |
| CN110738895A (en) * | 2019-09-16 | 2020-01-31 | 潘涛 | Criminal scene investigation real-scene VR comprehensive training system |
| CN110619777A (en) * | 2019-09-26 | 2019-12-27 | 重庆三原色数码科技有限公司 | Criminal investigation and experiment intelligent training and assessment system based on VR technology and creation method |
| CN111598524A (en) * | 2020-04-02 | 2020-08-28 | 重庆三原色数码科技有限公司 | VR (virtual reality) technology-based multi-person cooperative investigation method and investigation system |
| CN111477049A (en) * | 2020-05-27 | 2020-07-31 | 安庆师范大学 | Intelligent training interaction system for education innovation entrepreneurship training |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113128869A (en) * | 2021-04-20 | 2021-07-16 | 广州宏途教育网络科技有限公司 | Occupational competence evaluation method |
| CN113128869B (en) * | 2021-04-20 | 2022-04-12 | 广州宏途数字科技有限公司 | Occupational competence evaluation method |
| CN113398422A (en) * | 2021-07-19 | 2021-09-17 | 燕山大学 | Rehabilitation training system and method based on motor imagery-brain-computer interface and virtual reality |
| CN113398422B (en) * | 2021-07-19 | 2022-08-19 | 燕山大学 | Rehabilitation training system and method based on motor imagery-brain-computer interface and virtual reality |
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