CN102196250A - Method and system for processing images of exam monitoring system - Google Patents
Method and system for processing images of exam monitoring system Download PDFInfo
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- CN102196250A CN102196250A CN 201110135345 CN201110135345A CN102196250A CN 102196250 A CN102196250 A CN 102196250A CN 201110135345 CN201110135345 CN 201110135345 CN 201110135345 A CN201110135345 A CN 201110135345A CN 102196250 A CN102196250 A CN 102196250A
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Abstract
The invention discloses a method and system for processing images of an exam monitoring system. The method comprises the following steps of: splitting a video monitoring image picked up by a monitoring device through a server; dividing the video monitoring image into a monitoring region and an exam region; further splitting the exam region into a fixed region and a moving region; and obtaining the current video monitoring image and updating the image to the server when an exam monitoring device monitors an abnormal condition, judging which region the abnormal condition happens in by the server, and further judging the grade of the abnormal condition by the server, thus the judgment accuracy of the abnormal condition is largely improved. Therefore, a problem of inaccurate judgment on whether various conditions generated in monitoring videos of an exam room are taken as cheat conditions or not in the prior art is effectively solved, a large amount of labors and materials are saved, and the working efficiency is increased.
Description
Technical field
The present invention relates to the examination hall technical field of video monitoring, image processing method and system in the supervisory control system of particularly a kind of examination hall.
Background technology
In examination of education field,, usually need to utilize intelligent monitoring technology to come the violation incident is monitored in order to build good, just, fair state education unified examination.
In existing examination supervisory control system, generally all can camera be installed in each examination point, the examination hall picture of taking is sent to Control Room, detect the situation in each examination hall by the people of Control Room by display floater, so that guarantee the fairness of examination.Yet rely on fully human eye go to see the mode of video find cheating phenomenon be unrealistic also be unscientific: need artificial variety of event in the examination hall is judged and handled, thereby expended great amount of manpower and material resources.So, provide again in the prior art and can pass through the intelligent video recognition system, the automatic technology that the examination hall picture is judged, can save manpower to a certain extent, but still exist certain not enough: existing recognition system can not be discerned the academics and students, be teacher on the examination hall when movable (teacher may walk about), it also can be reported to the police; Simultaneously, when the student just make some slight actions (such as: rock shoulder etc.), recognition system also can be reported to the police, thereby brings many inconvenience for the judgement of back.
In view of this, need provide image processing techniques in the supervisory control system of a kind of examination hall, can accurately distinguish and handle image.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of image processing method and system of the supervisory control system of taking an examination, to solve whether the various phenomenons to occurring in the monitor video of examination hall that exist in the existing video identification technology are that cheating is judged inaccurate problem.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of image processing method of the supervisory control system of taking an examination wherein, said method comprising the steps of:
S1, the video monitoring image that the examination hall watch-dog is taken splits, and is divided into invigilator zone and examination zone;
S2, the zone of will taking an examination further splits into fixed area and zone of action, residing zone when described fixed area is taken an examination for the examinee;
S3, when described examination watch-dog monitors unusual condition, obtain the current video monitoring picture place that uploads onto the server, and be in the invigilator zone or be in examination regional by server judgement unusual condition, distinguish then attonity if be in the invigilator, as be in the examination zone and then can further judge and be in fixed area or zone of action;
S4 when described unusual condition is in fixed area, then can make the unusual condition prompting on server, unusual condition is in then attonity of zone of action as described.
The image processing method of described examination supervisory control system, wherein, among the described step S4, when unusual condition was in fixed area, server can further be discerned unusual condition, determined the grade of unusual condition.
The image processing method of described examination supervisory control system wherein, after server is determined the grade of unusual condition, can be handled unusual condition according to the processing rule of setting in advance.
The image processing method of described examination supervisory control system, wherein, among the described step S4, server is made the unusual condition prompting and is comprised: highlight unusual condition in the monitored picture of server, and sound the alarm.
A kind of image processing system of the supervisory control system of taking an examination, wherein, described system comprises watch-dog and server:
The video monitoring image that described server is taken watch-dog splits, be divided into invigilator zone and examination zone, the zone of will taking an examination again further splits into fixed area and zone of action, when the examination watch-dog monitors unusual condition, obtain the current video monitoring picture place that uploads onto the server, and judge by server which zone unusual condition is in.
The image processing system of described examination supervisory control system, wherein, described server further comprises a unusual condition grade judging unit, is used for determining the grade of unusual condition, and according to the processing rule of prior setting, unusual condition is handled.
The image processing method of examination supervisory control system provided by the invention and system, the video monitoring image of watch-dog being taken by server splits, video monitoring image is divided into invigilator zone and examination zone, the zone of will taking an examination again further splits into fixed area and zone of action, when the examination watch-dog monitors unusual condition, obtain the current video monitoring picture place that uploads onto the server, and judge by server which zone unusual condition is in, and can further judge the grade of unusual condition, improved the accuracy of judging unusual condition greatly, thereby whether the various phenomenons that solved effectively in the prior art occurring in the monitor video of examination hall are that cheating is judged inaccurate problem, thereby save the lot of manpower and material resources financial resources, and improved operating efficiency.
Description of drawings
Fig. 1 is the structural representation of image processing system of the examination supervisory control system of the embodiment of the invention;
Fig. 2 is the schematic diagram that the video monitoring image of the watch-dog shooting of the embodiment of the invention splits;
Fig. 3 is the flow chart of image processing method of the examination supervisory control system of the embodiment of the invention.
Embodiment
The invention provides a kind of image processing method and system of the supervisory control system of taking an examination, as shown in Figure 1, described system comprises watch-dog 100 and server 200, and wherein, the number of described watch-dog can be set according to the concrete needs of examination.For making purpose of the present invention, technical scheme and effect clearer, clear and definite, below with reference to accompanying drawing and give an actual example that the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The image processing method of examination supervisory control system of the present invention at first splits the video monitoring image that the examination hall watch-dog is taken, video monitoring image is divided into invigilator zone and examination zone, and the zone of will taking an examination again further splits into fixed area and zone of action.See also Fig. 2, in embodiments of the present invention, the video monitoring image that the examination hall watch-dog is taken as shown in Figure 2, zone 10 is the invigilator zone, (with general classroom is example in movable zone in most of the time in the examination process for the supervisor for it, this zone should be exactly the dais district), zone 20 is the examination zone, it is further divided into fixed area 21 and zone of action 22, described fixed area 21 is examinee residing zone (with general classroom is example, is the seating area) when taking an examination, and the examinee takes an exam in described fixed area 21, it is when examination, and normal activity all should be carried out in fixed area 21.When described zone of action 22 is examination, the spatial dimension (with general classroom is example, is the aisle) of activity when the supervisor enters the examination zone.After video monitoring image is split, it is uploaded onto the server and content preserves.Described server can carry out certain processing to monitor message, promptly can monitor out the abnormal conditions of watch-dog, this technology can be made comparisons with predefined abnormal information and realize by analyzing the video information data flow, also can realize by other modes.Because it is a prior art, here for convenience, superfluous having stated no longer one by one just.
Please continue to consult Fig. 1, when monitoring establishes 200 when monitoring unusual condition, obtain current video monitoring picture 100 places that upload onto the server, at this moment, server is judged current video monitoring picture according to the fractionation situation of the video monitoring image of preserving previously: judge that unusual condition is in the invigilator zone or is in the examination zone; As be in the examination zone and then can further judge and be in fixed area or zone of action.
See also Fig. 2, judging unusual condition when server is when distinguishing 10 for the invigilator, because in this zone is supervisor's scope of activities, may be the supervisor make the bigger action of some scopes of activities (such as: remove pouring, open the door or the like), at this moment, server then can not made any action; If to appear at examination regional 20 the time when unusual condition, server judges further that then unusual condition appears at fixed area 21 or zone of action 22, if in the present embodiment at zone of action 22(, the zone of action is the aisle), because the invigilator personnel can not can't see the examinee and enter into zone of action 22(if any, also there is no need action, because the supervisor can directly see), then zone of action 22 unusual condition occurs and is generally that the invigilator personnel make an inspection tour or just takes place when answering questions, at this moment, actions such as alarm can not appear in server yet.And have only when unusual condition occurs in fixed area 21, because fixed area when taking an examination for the examinee within the scope of region, in this zone, unusual condition occurs and then can conclude what the examinee made substantially.At this moment, server will be made the unusual condition prompting, this prompting action can be: highlight unusual condition in the monitored picture of server, sound the alarm etc., and can comprise wherein one or more, the staff who is used to make at server end can intuitively see or hear, and makes corresponding immediately.
Further, in the time of in unusual condition appears at fixed area, server can be discerned unusual condition, determines the grade of unusual condition.Specifically, unusual condition can be divided into several grades according to the urgency level or the order of severity, when small action such as twisting neck, movable shoulder is arranged as the examinee, its unusual condition can be made as the lowest class, during actions such as standing, stretch out one's hand when the examinee makes, then that unusual condition equipment is high-grade, the corresponding corresponding action of handling of corresponding grade: after determining the grade of unusual condition, can be according to the processing rule of setting in advance, unusual condition is handled, thereby be more convenient for invigilating the analysis of staff, saved a large amount of time unusual condition.
In sum, the flow chart of the image processing method of examination supervisory control system of the present invention as shown in Figure 3, described image processing method comprises:
S1, the video monitoring image that the examination hall watch-dog is taken splits, and is divided into invigilator zone and examination zone;
S2, the zone of will taking an examination further splits into fixed area and zone of action, residing zone when described fixed area is taken an examination for the examinee;
S3, when described examination watch-dog monitors unusual condition, obtain the current video monitoring picture place that uploads onto the server, and be in the invigilator zone or be in examination regional by server judgement unusual condition, distinguish then attonity if be in the invigilator, as be in the examination zone and then can further judge and be in fixed area or zone of action;
S4 when described unusual condition is in fixed area, then can make the unusual condition prompting on server, unusual condition is in then attonity of zone of action as described.
Correspondingly, the present invention also provides a kind of image processing system of the supervisory control system of taking an examination, it comprises server and watch-dog, the video monitoring image that described server is taken watch-dog splits, be divided into invigilator zone and examination zone, the zone of will taking an examination again further splits into fixed area and zone of action, when the examination watch-dog monitors unusual condition, obtain the current video monitoring picture place that uploads onto the server, and judge by server which zone unusual condition is in.Wherein, described server further comprises a unusual condition grade judging unit, is used for determining the grade of unusual condition, and according to the processing rule of prior setting, unusual condition is handled.
The image processing method of a kind of supervisory control system of taking an examination provided by the invention and system, the video monitoring image of watch-dog being taken by server splits, video monitoring image is divided into invigilator zone and examination zone, the zone of will taking an examination again further splits into fixed area and zone of action, when the examination watch-dog monitors unusual condition, obtain the current video monitoring picture place that uploads onto the server, and judge by server which zone unusual condition is in, and can further judge the grade of unusual condition, improved the accuracy of judging unusual condition greatly, thereby whether the various phenomenons that solved effectively in the prior art occurring in the monitor video of examination hall are that cheating is judged inaccurate problem, thereby save the lot of manpower and material resources financial resources, and improved operating efficiency.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (6)
1. the image processing method of the supervisory control system of taking an examination is characterized in that, said method comprising the steps of:
S1, the video monitoring image that the examination hall watch-dog is taken splits, and is divided into invigilator zone and examination zone;
S2, the zone of will taking an examination further splits into fixed area and zone of action, residing zone when described fixed area is taken an examination for the examinee;
S3, when described examination watch-dog monitors unusual condition, obtain the current video monitoring picture place that uploads onto the server, and be in the invigilator zone or be in examination regional by server judgement unusual condition, if be in invigilator zone then attonity, as be in the examination zone and then can further judge and be in fixed area or zone of action;
S4 when described unusual condition is in fixed area, then can make the unusual condition prompting on server, unusual condition is in then attonity of zone of action as described.
2. the image processing method of examination supervisory control system according to claim 1 is characterized in that: among the described step S4, when unusual condition was in fixed area, server can further be discerned unusual condition, determined the grade of unusual condition.
3. the image processing method of examination supervisory control system according to claim 2 is characterized in that: after server is determined the grade of unusual condition, can unusual condition be handled according to the processing rule of setting in advance.
4. the image processing method of examination supervisory control system according to claim 1 is characterized in that, among the described step S4, server is made the unusual condition prompting and comprised: highlight unusual condition in the monitored picture of server, and sound the alarm.
5. the image processing system of the supervisory control system of taking an examination is characterized in that, described system comprises watch-dog and server:
The video monitoring image that described server is taken watch-dog splits, be divided into invigilator zone and examination zone, the zone of will taking an examination again further splits into fixed area and zone of action, when the examination watch-dog monitors unusual condition, obtain the current video monitoring picture place that uploads onto the server, and judge by server which zone unusual condition is in.
6. the image processing system of examination supervisory control system according to claim 5, it is characterized in that: described server further comprises a unusual condition grade judging unit, be used for determining the grade of unusual condition, and, unusual condition handled according to the processing rule of prior setting.
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| CN 201110135345 CN102196250A (en) | 2011-05-24 | 2011-05-24 | Method and system for processing images of exam monitoring system |
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| CN 201110135345 CN102196250A (en) | 2011-05-24 | 2011-05-24 | Method and system for processing images of exam monitoring system |
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Cited By (6)
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| CN103455957A (en) * | 2013-09-09 | 2013-12-18 | 林健锋 | Picture type electronic examination system |
| CN108039029A (en) * | 2018-01-09 | 2018-05-15 | 杜佳 | One kind examination anti-cheating method, apparatus and system |
| CN109271886A (en) * | 2018-08-29 | 2019-01-25 | 武汉大学 | A kind of the human body behavior analysis method and system of examination of education monitor video |
| CN109978390A (en) * | 2019-03-29 | 2019-07-05 | 嘉应学院 | Office efficiency assessment system and its method based on image recognition |
| CN111553203A (en) * | 2020-04-10 | 2020-08-18 | 北京明略软件系统有限公司 | Method and device for monitoring examination fraud behaviors |
| CN117522872A (en) * | 2024-01-04 | 2024-02-06 | 长峡数字能源科技(湖北)有限公司 | Real-time abnormality detection method and device for photovoltaic power station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103455957A (en) * | 2013-09-09 | 2013-12-18 | 林健锋 | Picture type electronic examination system |
| CN108039029A (en) * | 2018-01-09 | 2018-05-15 | 杜佳 | One kind examination anti-cheating method, apparatus and system |
| CN109271886A (en) * | 2018-08-29 | 2019-01-25 | 武汉大学 | A kind of the human body behavior analysis method and system of examination of education monitor video |
| CN109978390A (en) * | 2019-03-29 | 2019-07-05 | 嘉应学院 | Office efficiency assessment system and its method based on image recognition |
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| CN117522872A (en) * | 2024-01-04 | 2024-02-06 | 长峡数字能源科技(湖北)有限公司 | Real-time abnormality detection method and device for photovoltaic power station |
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Application publication date: 20110921 |