CN110119605A - A kind of portable multimedia training examination system - Google Patents
A kind of portable multimedia training examination system Download PDFInfo
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- CN110119605A CN110119605A CN201810120161.2A CN201810120161A CN110119605A CN 110119605 A CN110119605 A CN 110119605A CN 201810120161 A CN201810120161 A CN 201810120161A CN 110119605 A CN110119605 A CN 110119605A
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- 238000012549 training Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 claims abstract description 36
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 238000007726 management method Methods 0.000 claims abstract description 6
- 238000013523 data management Methods 0.000 claims abstract description 4
- 230000003993 interaction Effects 0.000 claims abstract description 4
- 238000013439 planning Methods 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000001815 facial effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 abstract description 5
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- G—PHYSICS
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
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Abstract
The invention discloses a kind of portable multimedia training examination systems, and in particular to petroleum chemical enterprise's educational training technical field.The portable multimedia training examination system, including integrated cabinet, hardware system and software systems, hardware system includes host, man-machine interaction device, wireless device for answering question, identity recognizer and multimedia unit, and software systems include planning management module, training test modules, record queries module, data management module, use module and equipment detection module offline；Concrete application process are as follows: before training examination, prepare the training contents and exam question of diversified forms, training contents and exam question are stored in portable multimedia training examination system in the form of video, animation or document；It will be in examination personnel's data input portable multimedia training examination system by identity recognizer；Examination personnel, which register and generate record of registering, to put on record.Which solve the deficiencies that existing petroleum chemical enterprise trains examination bad adaptability.
Description
Technical field
The present invention relates to petroleum chemical enterprise's educational training technical fields, and in particular to a kind of portable multimedia training examination system
System.
Background technique
Most basic unit of the teams and groups as petroleum chemical enterprise is responsible for carrying out the daily dimension of every rules and regulations, production equipment
Shield carries out team safety inspection, implements all safety measures of execution, is the first line of defence of enterprise security, reinforces team safety
Work is the key that enterprise strengthens safety in production management.By carrying out frequent education on sex security, targetedly carry out teams and groups' peace
Full technical training, periodicity carry out the examination of team safety knowledge, and the production that the scientific management of safety in production is generalized to employee is real
In trampling, team safety work effect can be effectively promoted.
But team safety training work about test at present is limited by a variety of objective condition, can not play its due effect:
1. traditional training relies on multi-media classroom or vacant classroom, high construction cost, field conduct is difficult, and student's operation is multiple
It is miscellaneous, it is easy error；
2. the various complexity of knowledge, structure of personnel adjust at any time, training contents not system, not comprehensively；
3. traditional examination needs a large amount of personnel to complete the work such as go over examination papers, audit, issuing, the time is long, at high cost；
4. tradition training examination archives material is various, difficulty is searched, needs special messenger's file administration, human cost is high.
Summary of the invention
The purpose of the present invention is in view of the above deficiencies, propose one kind various test and training projects can be integrated in one
In integral part, the portable multimedia training of safety training is unfolded at any time in the case where no fixed-site convenient for staff
Examination system.
The present invention specifically adopts the following technical scheme that
A kind of portable multimedia training examination system is described hard including integrated cabinet, hardware system and software systems
Part system includes host, man-machine interaction device, wireless device for answering question, identity recognizer and multimedia unit, and the software systems include
Planning management module, record queries module, data management module, uses module and equipment to detect mould at training test modules offline
Block, concrete application process are as follows:
Prepare training examination content, before training examination, prepares the training contents and exam question of diversified forms, will train
Instruction content and exam question are stored in portable multimedia training examination system in the form of video, animation or document；
Typing examination personal information, will examination personnel's data input portable multimedia training examination by identity recognizer
In system；
Before starting training examination, examination personnel, which register and generate record of registering, to put on record；
Portable multimedia training examination system is connected into remote server, and realizes the source synchronous of the two, simultaneously will
Record of registering, training record, examination record, scene photograph and audio video synchronization in portable multimedia training examination system extremely take
Business end；
In training examination process, training examination process is monitored in real time by multimedia unit, and monitoring is existing
Field picture real-time transmission realizes the complete process long-distance monitoring of training examination to remote server.
Preferably, the identity recognizer is connected to host, including identity card recognizing instrument and finger-print recognising instrument by USB.
Preferably, the identity card recognizing instrument passes through the special chip in wireless transmission method and No.2 residence card
It carries out safety and veritifies certification, and host is interpreted and be correspondingly outputting to the personal information data in special chip.
Preferably, the finger-print recognising instrument first choice reads the fingerprint image of human body, reads after fingerprint image to original graph
As carrying out preliminary treatment, the characteristic to fingerprint number subrepresentation is established later and saves characteristic to host.
Preferably, the multimedia unit includes camera, by camera binding characteristic face algorithm, realizes recognition of face,
It specifically includes: face acquisition, facial pretreatment, face training and recognition of face Four processes.
Preferably, the facial pretreatment converts ash for color image by using the eigenface method of gray level image
Spend image.
Preferably, standardization face image brightness and contrast is turned to using histogram equalization in the facial pretreatment
Method.
Preferably, the face training process are as follows: one face recognition database of creation trains one to list picture text
The text file of the people of part and each file representative.
Preferably, the camera shoots with video-corder monitoring site picture in training examination process, and by network that monitoring is existing
Picture transmission is to remote server.
Preferably, setting answer base station and device for answering question in the wireless device for answering question, answer Base Transmitter radio frequency signal,
Device for answering question receives answer base station signal and carries out answer by key.
The invention has the following beneficial effects: the portable multimedia training examination systems, efficiently solve current petrochemical industry
Corporate training and examination the problem of being limited by objective condition, have convenient flexible, multiple functional, easy to operate, resourceful etc.
Feature.During host, projector, speaker, wireless device for answering question etc. are integrated together by the invention, petroleum chemical enterprise scene whenever and wherever possible
Training work about test can be carried out.Simultaneously corollary system concentration check card register, centralized training, no-paper examination, automatic scoring etc. it is more
Kind function meets the requirement of each link of safety training in one.Training module all uses the multimedia forms such as animation, video,
Multimedia resource can be regularly updated, result of training is promoted.
Detailed description of the invention
Fig. 1 is the portable multimedia training examination system structural schematic diagram；
Fig. 2 is the applicating flow chart of the portable multimedia training examination system.
Wherein, 1 is portable projector, and 2 be wireless device for answering question, and 3 be power supply line, and 4 be HDMI wire, and 5 be camera, and 6 are
Camera connecting line, 7 be USB interface, and 8 be battery, and 9 set device for identity, and 10 be host, and 11 be speaker.
Specific embodiment
A specific embodiment of the invention is described further in the following with reference to the drawings and specific embodiments:
As depicted in figs. 1 and 2, a kind of portable multimedia training examination system, including integrated cabinet, hardware system and
Software systems, the hardware system include host, man-machine interaction device, wireless device for answering question 2, identity recognizer and multimedia unit,
The software systems include planning management module, training test modules, record queries module, data management module, offline use
Module and equipment detection module, concrete application process are as follows:
Prepare training examination content, before training examination, prepares the training contents and exam question of diversified forms, will train
Instruction content and exam question are stored in portable multimedia training examination system in the form of video, animation or document；
Typing examination personal information, will examination personnel's data input portable multimedia training examination by identity recognizer
In system；
Before starting training examination, examination personnel, which register and generate record of registering, to put on record；
Portable multimedia training examination system is connected into remote server, and realizes the source synchronous of the two, simultaneously will
Record of registering, training record, examination record, scene photograph and audio video synchronization in portable multimedia training examination system extremely take
Business end；
In training examination process, training examination process is monitored in real time by multimedia unit, and monitoring is existing
Field picture real-time transmission realizes the complete process long-distance monitoring of training examination to remote server；
Identity recognizer is connected to host, including identity card recognizing instrument and finger-print recognising instrument by USB.
Identity card recognizing instrument carries out safe kernel by the special chip in wireless transmission method and No.2 residence card
Certification is tested, and host is interpreted and be correspondingly outputting to the personal information data in special chip.
Identity card recognizing instrument passes through embedded dedicated body using advanced TypeB non-contact IC card reading technology in the world
Part card safety control module (SAM) carries out safe veritification with the special chip in wireless transmission method and No.2 residence card
After certification, the personal information data in chip is interpreted and is corresponded to output, then by host communication interface, this information is uploaded to
Host 10.Host ocr software to be mounted first and communication protocol connection, just by these information be decoded into lteral data and
Photograph carries out storage and display type prompt on computers.Working principle: computer passes through RS-232 serial port-USB port to body
Part card identifier sends instruction.Pass through identity card again after instructing the verifying SAM embedded through identity card recognizing instrument to carry out safe handling
The transmitting antenna of identifier, which is sent, carries out data communication with the ID card.The data returned from the ID card are known through identity card
Host 10 is passed back after the embedded verifying SAM processing of other instrument.
Finger-print recognising instrument first choice reads the fingerprint image of human body, is tentatively located after reading fingerprint image to original image
Reason, establishes the characteristic to fingerprint number subrepresentation later and saves characteristic to host.
Firstly, the image of somatic fingerprint is read by finger-print recognising instrument, it, be to original image after getting fingerprint image
Preliminary processing is carried out, is allowed to apparent.Next, identification of fingerprint software establishes the digital representation of fingerprint --- characteristic,
A kind of unidirectional conversion can be converted into characteristic from fingerprint but cannot be converted into fingerprint from characteristic, and two pieces
Different fingerprints will not generate identical characteristic.Software finds the data of referred to as " node " (minutiae) from fingerprint
Point, that is, those fingerprint lines bifurcated, terminate or the coordinate position at the place that loops, these put and meanwhile have seven kinds or more only
One property feature.Because averagely having 70 nodes on usual finger, institute can generate about 490 data in this way.Have
Node and directional information combination are produced more data by algorithm, these directional informations show the pass between each node
System, the algorithm also having also handle whole picture fingerprint image.In short, these data, commonly referred to as template, save as the note of 1K size
Record, is saved on host.Finally, passing through the method for computer Fuzzy comparisons, the template of two fingerprints is compared, is calculated
Their similarity degree finally obtains the matching result of two fingerprints.
If system needs are interacted with access control system, need to access access control system interface by network, obtain related
User information and license.
Multimedia unit includes camera, by camera binding characteristic face algorithm, realizes recognition of face, specifically includes: people
Face acquisition, facial pretreatment, face training and recognition of face Four processes.
Face acquisition opens camera by OpenCv and acquires facial image, and is saved in examination system and device Host people
In face library.
Facial pretreatment converts gray level image for color image by using the eigenface method of gray level image.
The method that standardization face image brightness and contrast is turned to using histogram equalization in facial pretreatment.
The picture that will be identified is standardized using a variety of preconditioning techniques in facial pretreatment, uses gray scale
Color image is converted into gray level image by the eigenface method of image, and simply uses histogram equalization later
A kind of method of (Histogram Equalization) as automatically standardization face image brightness and contrast.It is terrible
To preferably as a result, color face recognition (color face recognition, ideally with color can be used in you
Histogram fitting in HSV or another color space instead of RGB), or using more
Pretreatment, such as edge enhancing (edge enhancement), contour detecting (contour detection), gestures detection
(motion detection) etc..
Face training process are as follows: one face recognition database of creation trains one and lists picture file and each text
The text file for the people that part represents.
The picture for test is read in recognition of face first, obtains average face, and eigenface and characteristic value (ratio) use
Function " loadTrainingData () " is from face recognition database's file (the face recognition database
Fil) " facedata.xml " is loaded into.
Using the function " cvEigenDecomposite () " of OpenCV, the picture of every input is all projected to PCA
Space is best suited for representing this picture to observe the ratio of which eigenface.
This input picture is represented now with characteristic value (ratio of eigenface picture), program requires to look up original instruction
Practice picture, finds out the picture for possessing most like ratio.These are with the method for mathematics in " findNearestNeighbor () " letter
It is executed in number, using " Euclidean distance (Euclidean Distance) ", but it only checks input basically
The similitude of picture and every trained picture, find most like one: one on Euclidean space with input picture away from
From nearest picture.Just as being mentioned on the article of Servo Magazine, if using mahalanobis distance (the
Mahalanobis space needs to define USE_MAHALANOBIS_DISTANCE in code), it is available more accurate
As a result.
Camera shoots with video-corder monitoring site picture in training examination process, and by network by monitoring site picture transmission extremely
Remote server.
Setting answer base station and device for answering question in wireless device for answering question, answer Base Transmitter radio frequency signal, device for answering question receive
Answer base station signal simultaneously carries out answer by key.
Portable multimedia training examination system by the major function of professional training electronic classroom be integrated in a cabinet 1 it
In (include host 10, battery 8, portable projector 1, sound equipment 11, power supply line 3, HDMI wire 4 etc.), be convenient for enterprise administrator
At the scene without it is fixed train place in the case where training is unfolded, only need a face wall that can set up interim training and examination ring
Border, and if training scene lack power supply, can also by examination system and equipment internal battery 5 hours of 8 online training or so, with
Training automation, multimedization (files such as video, Office, Scorm) advantage by administrative staff thoroughly from heavy training
It is freed in instruction work.
Examination system and device Host 10 dispose openOffice service and realize online Office document preview
Examination system and device Host 10 dispose Nginx streaming media service, using RTMP stream media protocol, realize online view
Frequency plays.
Examination system and equipment training examination system are supported to upload Scorm Standard Courseware, and can play online.
Check that the training carried out in training examination system and equipment is examined by browser in oneself computer for the convenience of the user
Examination plan, can dispose training examination system in the server, when completing training examination task using training examination system and equipment,
Training record, examination record, monitor video, record of registering, personnel's archives, personnel's achievement etc. can be uploaded to training examination system
System, user can more easily check ASSOCIATE STATISTICS, archives；User can also upload courseware by training examination system, formulate
Examination plan is trained, related courseware and training can be downloaded by training examination system and equipment calls training examination system interface
Examination plan；Training examination system service provides back office interface service for training examination mobile phone A pp, and training examination system service is adopted
Realization is designed using SSH Open Framework with Java language.
Device for answering question base station and wireless device for answering question built in portable multimedia training examination system, device for answering question Base Transmitter is wireless
Radiofrequency signal, using 2.4GHz wireless technology, (bigger use scope and stronger can be obtained by working under 2.4GHz frequency range
Anti-interference ability is now widely used for household and commercial kitchen area), wireless device for answering question receives base station signal and can pass through key
Answer makes base station service service connection with training examination system by Socket.
The host 10 of portable multimedia training examination system connects camera by camera connecting line 6 and USB interface 7
5, if the training Examination plan opened allows long-range monitoring, when taking an exam, system can automatically open camera 5, pass through
FFMpeg plug-flow is checked real time monitoring if necessary to the place other than examination system and equipment, is needed to host streaming media service
Host is wanted to connect network, inputting appropriate address in a browser can be realized on line real-time monitoring live view.If scene does not have
Network then can only check live real-time pictures in examination system and device Host, and can carry out video record, conveniently shelves be stayed to look into
It sees.
The applicable all types of mobile phones with Android, IOS operating system realize that user passes through by mobile application technology
The function of mobile phone on-line study at any time.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (10)
1. a kind of portable multimedia training examination system, including integrated cabinet, hardware system and software systems, feature exists
In the hardware system includes host, man-machine interaction device, wireless device for answering question, identity recognizer and multimedia unit, the software
System includes planning management module, training test modules, record queries module, data management module, uses module offline and set
Standby detection module, concrete application process are as follows:
Prepare training examination content, before training examination, prepares the training contents and exam question of diversified forms, it will be in training
Hold and exam question is stored in portable multimedia training examination system in the form of video, animation or document；
Typing examination personal information, will examination personnel's data input portable multimedia training examination system by identity recognizer
In；
Before starting training examination, examination personnel, which register and generate record of registering, to put on record；
Portable multimedia training examination system is connected into remote server, and realizes the source synchronous of the two, while will be portable
Record of registering, training record, examination record, scene photograph and audio video synchronization in formula multimedia training examining system extremely service
End；
In training examination process, training examination process is monitored in real time by multimedia unit, and monitoring site is drawn
Face real-time transmission realizes the complete process long-distance monitoring of training examination to remote server.
2. a kind of portable multimedia training examination system as described in claim 1, which is characterized in that the identity recognizer
Host, including identity card recognizing instrument and finger-print recognising instrument are connected to by USB.
3. a kind of portable multimedia training examination system as claimed in claim 2, which is characterized in that the identity card identification
Instrument, which by the special chip in wireless transmission method and No.2 residence card carries out safety, to be veritified and authenticates, and by special chip
Host is interpreted and be correspondingly outputting to interior personal information data.
4. a kind of portable multimedia training examination system as claimed in claim 2, which is characterized in that the finger-print recognising instrument
First choice reads the fingerprint image of human body, carries out preliminary treatment to original image after reading fingerprint image, is established later to fingerprint
The characteristic of number subrepresentation simultaneously saves characteristic to host.
5. a kind of portable multimedia training examination system as described in claim 1, which is characterized in that the multimedia unit
Including camera, by camera binding characteristic face algorithm, realize recognition of face, specifically include: face acquisition, facial pretreatment,
Face training and recognition of face Four processes.
6. a kind of portable multimedia training examination system as claimed in claim 5, which is characterized in that the facial pretreatment
By using the eigenface method of gray level image, gray level image is converted by color image.
7. a kind of portable multimedia training examination system as claimed in claim 6, which is characterized in that the facial pretreatment
The middle method that standardization face image brightness and contrast is turned to using histogram equalization.
8. a kind of portable multimedia training examination system as claimed in claim 5, which is characterized in that the face was trained
Journey are as follows: one face recognition database of creation trains the text text of a people for listing picture file and each file representative
Part.
9. a kind of portable multimedia training examination system as claimed in claim 5, which is characterized in that the camera is being trained
Monitoring site picture is shot with video-corder in instruction examination process, and passes through network for monitoring site picture transmission to remote server.
10. a kind of portable multimedia training examination system as described in claim 1, which is characterized in that the wireless answer
Setting answer base station and device for answering question in device, answer Base Transmitter radio frequency signal, device for answering question receive answer base station signal and lead to
It crosses key and carries out answer.
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| CN201810120161.2A CN110119605A (en) | 2018-02-07 | 2018-02-07 | A kind of portable multimedia training examination system |
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| CN112330505A (en) * | 2020-06-12 | 2021-02-05 | 杭州鼎易信息科技有限公司 | Wireless movable training examination system for safety management personnel |
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