CN102184241A - System for counting and inquiring classroom state and method for counting classroom state - Google Patents
System for counting and inquiring classroom state and method for counting classroom state Download PDFInfo
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- CN102184241A CN102184241A CN201110126158XA CN201110126158A CN102184241A CN 102184241 A CN102184241 A CN 102184241A CN 201110126158X A CN201110126158X A CN 201110126158XA CN 201110126158 A CN201110126158 A CN 201110126158A CN 102184241 A CN102184241 A CN 102184241A
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Abstract
The invention provides a system for counting and inquiring a classroom state and a method for counting the classroom state. The system comprises a plurality of classroom state counting terminals and a central processing unit which are interconnected with one another according to a network, wherein each of the classroom state counting terminals is fixed on a wall with a blackboard in a classroom and comprises a camera, an image acquisition card, a holder, a holder controller and a main control computer; the central processing unit is used for acquiring classroom state information sent by the classroom state counting terminals and providing inquiring service for a client. By the system for counting and inquiring the classroom state and the method for counting the classroom state, students can know about information such as a classroom occupation situation, a classroom seat unoccupied rate and the like in real time through a webpage browser, so that the students can conveniently select a self-studying place effectively and an educational administration department can manage the classrooms conveniently; therefore, the humanized and intelligent management level of schools can be increased; moreover, the system is interconnected with control systems such as a teaching building light control system and the like so as to provide information of student presence and student distribution in the classrooms for the light control system and provide data support for energy-saving work development of the teaching building.
Description
Technical field
The invention belongs to school's technical field of auxiliary facilities, particularly relate to a kind of classroom statistic inquiry system and statistical method thereof.
Background technology
The place that college student is reviewed one's lessons is generally library or classroom.Because the space of room for individual study is comparatively limited in the library, so the classroom is still the main place that the student reviews one's lessons.The classroom resource of current each colleges and universities is generally nervous relatively, so students often is subjected to being difficult to find the puzzlement of this problem of room for individual study.Mainly show: because the number of student of reviewing one's lessons evening is more, and the student generally wishes to find empty class and classroom fewer in number, thereby generally all can seek a period of time in teaching building; Class period by day, the student does not generally know the empty class in which classroom, therefore often shuttles back and forth blindly and seeks room for individual study in floor gap; In addition, also may there be preceding half section nothing class in some classroom and there is the situation of class the second half section, causes the student to need often to change the place of reviewing one's lessons.
A classroom statistic inquiry system if can be arranged, can understand classroom number and course arrangement information in the teaching building in real time by web browser, can make things convenient for the student to carry out the selection of room for individual study on the one hand, also can be managerial personnel on the other hand the student is provided more detailed study situation, this is significant for the improvement of the enthusiasm that improves student's study, promotion style of study undoubtedly.
Jiangsu University of Science and Technology had designed a kind of distributed passenger number statistical system capable based on embedded system in 2006.This system is made up of some come in and go out demographics devices and concentrated statistic devices, and the demographics of wherein coming in and going out device is installed on each gateway, and be built-in with image acquisition, based on discrepancy behavior identification and the discrepancy demographics and the wireless transmission program of image.It is indoor that concentrated statistic device is installed on centralized control, is built-in with that data gather, early warning and wireless receiving program.The detected discrepancy number of each demographics device of coming in and going out will send concentrated statistic device to wireless mode, gather calculating by concentrated statistic device then, thereby obtain the personnel amount of whole statistical regions.This device can be used for the number of being held in the closed place is carried out real-time statistics.
Northcentral University had designed a kind of bus passenger number automatic statistics meter based on image in 2007.It comprises image acquisition, processing module, and is built-in with image processing algorithm, adopts high-speed dsp and FPGA design, and system's fast operation can be accomplished real-time number identification, and its hardware configuration is simple, stable performance, and Installation and Debugging are convenient.
Firs Technology Co., Ltd. had designed a kind of bus passenger number statistical system capable by video analysis in 2009, was used to solve the technical matters that number on all buses is accurately monitored at the public traffic management center in real time.It has arranged the Video Controller with central processing unit above any one bus door internal channel, and by image acquisition device collection video image, after A/D converter is handled, deliver to video demographics module and carry out real-time operation, by means of network interface and supporting communications protocol object information is sent to the computing machine at public traffic management center then.
Ma Junwei in 2009 etc. have designed the device of a kind of automatic statistics classroom number.This device mainly comprises campus card induction zone, LCDs and loudspeaker.The mode that this device utilizes human body emission receiving sensor and campus card to swipe the card counts on the class number.
The Jiang Rui purple had been designed a kind of intelligent power saving and demographics equipment in 2009.Its mainly by single-chip microcomputer, judge executive circuit, infrared modules such as injection device, digital demonstrations formed, utilize and infrared injection device carried out intelligent power saving and demographics, have the energy-conservation effect with demographics of intellectuality simultaneously.
Colleges and universities such as Beijing Normal University in 2010 and Ludong University have tried the room for individual study searching platform of WEB version out, click the mouse slightly by this platform students and just can find empty class classroom.
In sum, domestic existing how tame unit or individual research have gone out towards the passenger number statistical system capable in public environment (bus, classroom), but generally only be confined to arrange video camera, infrared to sensors such as injection device, campus card inductors at the place, gateway, owing to handle based on historical data, so there is the cumulative errors problem.In addition, domestic a plurality of colleges and universities have also begun to try the room for individual study searching platform out, but Query Information generally only comprises static informations such as classroom row levies, the classroom takies, but do not contain the real-time number information in classroom.And up to the present by video camera whole classroom scene is detected, distribute and status informations such as number with the personnel that count, and the system of this information by the internet issue be yet there are no relevant report.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of students of being convenient to effectively to select to review one's lessons the classroom statistic inquiry system and the statistical method thereof of place and educational administration's division management.
In order to achieve the above object, classroom provided by the invention statistic inquiry system comprises interconnected a plurality of classrooms statistic terminal and center processing unit Network Based; Wherein statistic terminal in classroom is fixed on the wall at blackboard place in each classroom, it obtains classroom number and distributed intelligence based on image acquisition and analysis means, and this information sent to center processing unit, comprise video camera, image pick-up card, The Cloud Terrace, cradle head control device and main control computer; Described video camera links to each other with main control computer by image pick-up card, it is used for gathering in real time the scene information in the classroom, and send this simulating signal to image pick-up card, image pick-up card carries out analog to digital conversion with above-mentioned analog picture signal again, and the signal after will changing sends main control computer to, so that the successive image Treatment Analysis; The Cloud Terrace joins by cradle head control device and main control computer; Main control computer carries out the rotation of level and vertical both direction according to the movement locus of appointment by cradle head control device control The Cloud Terrace in the carrying video camera, to enlarge the observation scope of video camera, make all seat positions in the classroom can both enter the visual field of video camera, for statistic provides safeguard; The data image signal that image pick-up card is sent carries out image pre-service, moving target identification and profile extraction operation simultaneously, thereby obtains the classroom status information, then this information is sent to center processing unit, for the succeeding state inquiry provides the data support; Center processing unit is responsible for collecting the classroom status information that classroom statistic terminal sends, and provides inquiry service for each client.
Described main control computer is an embedded computer.
Classroom provided by the invention statistic method comprises the following step that carries out in order:
1) the initialized S1 stage of systematic parameter; In this stage, system will carry out initialization operation to scanning route, picture size and the background template information of video camera;
2) the The Cloud Terrace rotation is so that the S2 stage in camera-scanning classroom; In this stage, The Cloud Terrace will be according to the route motion of setting under the control of main control computer, and scene image in the classroom will be gathered and store to simultaneous camera;
3) the S3 stage of synthetic classroom overall scenario image; Because The Cloud Terrace video camera when a certain position generally can not cover zone, whole classroom, so in this stage, main control computer is with above-mentioned steps 2) in the image of storage synthesize, to obtain the overall scenario image;
4) the S4 stage of seating area statistics feature extraction; In this stage, the overall scenario image that main control computer will obtain in step 3) carries out the normalized of denoising and light, utilizes classroom template image and profile information to determine the people zone;
5) block S5 stage of judgement; Be subjected to the restriction of video camera shooting angle, a people may occupy two seats in its visual field, promptly has occlusion issue, block the erroneous judgement that causes for minimizing, in this stage, main control computer will judge that carrying out secondary in the zone that the people is arranged judges preliminary, to reduce the probability of erroneous judgement;
6) the S6 stage of mobile demographics; For the target that moves in the classroom, main control computer will adopt dynamic identifying method to count the number of motion, with the accuracy of Guarantee Status data;
7) count that the classroom personnel distribute and the S7 stage of total number of persons; In this stage, main control computer is based on step 5) and 6) the result and draw distribution and the total number of persons information of personnel in the classroom.
Classroom provided by the invention statistic inquiry system and statistical method thereof can make the student understand the classroom in real time by web browser and take information such as situation and seat, classroom idleness, thereby make things convenient for the student effectively to select to review one's lessons the management of place and department of educational administration, can improve campus hommization, intelligent management level thus.In addition, native system also can be interconnected with teaching building light dispatch control system, has or not student and student's distributed intelligence for lamp light control system provides the classroom, for carrying out of teaching building energy conservation provides the data support.In addition, this system extends to personnel's statistics of public places such as meeting room, auditorium, and can count the concrete distributing position of personnel in the current room, for the administrator administers meeting-place facilitates, also provide some logarithmic data for movable sponsor, analyze use for the professional, so have bigger market potential and application prospects.
Description of drawings
Fig. 1 is that classroom provided by the invention statistic inquiry system constitutes synoptic diagram.
Fig. 2 is a software system structure synoptic diagram in the statistic inquiry system of classroom provided by the invention.
Fig. 3 is a classroom provided by the invention statistic method flow diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments classroom provided by the invention statistic inquiry system and statistical method thereof are elaborated.
As shown in Figure 1, classroom provided by the invention statistic inquiry system comprises interconnected a plurality of classrooms statistic terminal 1 and center processing unit 2 Network Based; Wherein classroom statistic terminal 1 is fixed on the wall at blackboard place in each classroom, it obtains classroom number and distributed intelligence based on image acquisition and analysis means, and this information sent to center processing unit 2, comprise video camera 3, image pick-up card 4, The Cloud Terrace 5, cradle head control device 6 and main control computer 7; Described video camera 3 links to each other with main control computer 7 by image pick-up card 4, it is used for gathering in real time the scene information in the classroom, and send this simulating signal to image pick-up card 4, image pick-up card 4 carries out analog to digital conversion with above-mentioned analog picture signal again, and the signal after will changing sends main control computer 7 to, so that the successive image Treatment Analysis; The Cloud Terrace 5 joins by cradle head control device 6 and main control computer 7; Main control computer 7 carries out the rotation of level and vertical both direction according to the movement locus of appointment by cradle head control device 6 control The Cloud Terraces 5 in carrying video camera 3, to enlarge the observation scope of video camera 3, make all seat positions in the classroom can both enter the visual field of video camera 3, for statistic provides safeguard; The data image signal that image pick-up card 4 is sent carries out image pre-service, moving target identification and profile extraction operation simultaneously, thereby obtains the classroom status information, then this information is sent to center processing unit 2, for the succeeding state inquiry provides the data support; Center processing unit 2 is responsible for collecting the classroom status informations that classroom statistic terminals 1 send, and provides inquiry service for each client.
Described main control computer 7 is an embedded computer.
As shown in Figure 2, software is divided into application layer software and bottom software in the statistic inquiry system of classroom provided by the invention.The direct user oriented of application layer software wherein, be based on the classroom state publications module of WEB webpage, it is deployed in the server of center processing unit 2, the user can login this module and send query requests based on the WEB browser, as the opening status in classroom or classroom empty-seat rate etc., this module then feeds back to the user by the access system data storehouse with the data that retrieve.Bottom software mainly comprises classroom state real-time statistics module and system database two parts, the former is deployed in the classroom statistic terminal 1, it judges by the digital picture recognition technology whether each seat has the people in the current classroom, to count the classroom total number of persons, and then obtain classroom seat occupancy rate and personnel's distribution situation, whenever handle a two field picture, just information such as number in database of triggering system renewal and distribution.System database is deployed in the server in the center processing unit 2, is depositing status informations such as each room schedule and real-time number in it, is the tie of contact classroom state real-time statistics module and classroom state publications module.
As shown in Figure 3, classroom provided by the invention statistic method comprises the following step that carries out in order:
1) the initialized S1 stage of systematic parameter; In this stage, system will carry out initialization operation to scanning route, picture size and the background template information of video camera 3;
2) the The Cloud Terrace rotation is so that the S2 stage in camera-scanning classroom; In this stage, The Cloud Terrace 5 will be according to the route motion of setting under the control of main control computer 7, and scene image in the classroom will be gathered and store to simultaneous camera 3;
3) the S3 stage of synthetic classroom overall scenario image; Because The Cloud Terrace 5 video camera 3 when a certain position generally can not cover zone, whole classroom, so in this stage, main control computer 7 is with above-mentioned steps 2) in the image of storage synthesize, to obtain the overall scenario image;
4) the S4 stage of seating area statistics feature extraction; In this stage, the overall scenario image that main control computer 7 will obtain in step 3) carries out the normalized of denoising and light, utilizes classroom template image and profile information to determine the people zone;
5) block S5 stage of judgement; Be subjected to the restriction of video camera 3 shooting angle, a people may occupy two seats in its visual field, promptly has occlusion issue, block the erroneous judgement that causes for minimizing, in this stage, main control computer 7 will judge that carrying out secondary in the zone that the people is arranged judges preliminary, to reduce the probability of erroneous judgement;
6) the S6 stage of mobile demographics; For the target that moves in the classroom, main control computer 7 will adopt dynamic identifying method to count the number of motion, with the accuracy of Guarantee Status data;
7) count that the classroom personnel distribute and the S7 stage of total number of persons; In this stage, main control computer 7 is based on step 5) and 6) the result and draw distribution and the total number of persons information of personnel in the classroom.
Claims (3)
1. classroom statistic inquiry system, it is characterized in that: described classroom statistic inquiry system comprises interconnected a plurality of classroom statistic terminals (1) Network Based and center processing unit (2); Wherein classroom statistic terminal (1) is fixed on the wall at blackboard place in each classroom, it obtains classroom number and distributed intelligence based on image acquisition and analysis means, and this information sent to center processing unit (2), comprise video camera (3), image pick-up card (4), The Cloud Terrace (5), cradle head control device (6) and main control computer (7); Described video camera (3) links to each other with main control computer (7) by image pick-up card (4), it is used for gathering in real time the scene information in the classroom, and send this simulating signal to image pick-up card (4), image pick-up card (4) carries out analog to digital conversion with above-mentioned analog picture signal again, and the signal after will changing sends main control computer (7) to, so that the successive image Treatment Analysis; The Cloud Terrace (5) joins by cradle head control device (6) and main control computer (7); Main control computer (7) carries out the rotation of level and vertical both direction according to the movement locus of appointment by cradle head control device (6) control The Cloud Terrace (5) in carrying video camera (3), to enlarge the observation scope of video camera (3), make all seat positions in the classroom can both enter the visual field of video camera (3), for statistic provides safeguard; The data image signal that image pick-up card (4) is sent carries out image pre-service, moving target identification and profile extraction operation simultaneously, thereby obtain the classroom status information, then this information is sent to center processing unit (2), for the succeeding state inquiry provides the data support; Center processing unit (2) be responsible for to be collected the classroom status information that classroom statistic terminal (1) sends, and provides inquiry service for each client.
2. classroom according to claim 1 statistic inquiry system is characterized in that: described main control computer (7) is an embedded computer.
3. classroom as claimed in claim 1 statistic method, it is characterized in that: described classroom statistic method comprises the following step that carries out in order:
1) the initialized S1 stage of systematic parameter; In this stage, system will carry out initialization operation to scanning route, picture size and the background template information of video camera (3);
2) the The Cloud Terrace rotation is so that the S2 stage in camera-scanning classroom; In this stage, The Cloud Terrace under the control of main control computer (7) (5) will be according to the route motion of setting, and scene image in the classroom will be gathered and store to simultaneous camera (3);
3) the S3 stage of synthetic classroom overall scenario image; In this stage, main control computer (7) is with above-mentioned steps 2) in the storage image synthesize, to obtain the overall scenario image;
4) the S4 stage of seating area statistics feature extraction; In this stage, the overall scenario image that main control computer (7) will obtain in step 3) carries out the normalized of denoising and light, utilizes classroom template image and profile information to determine the people zone;
5) block S5 stage of judgement; In this stage, main control computer (7) will judge that carrying out secondary in the zone that the people is arranged judges preliminary, to reduce the probability of erroneous judgement;
6) the S6 stage of mobile demographics; For the target that moves in the classroom, main control computer (7) will adopt dynamic identifying method to count the number of motion, with the accuracy of Guarantee Status data;
7) count that the classroom personnel distribute and the S7 stage of total number of persons; In this stage, main control computer (7) is based on step 5) and 6) the result and draw distribution and the total number of persons information of personnel in the classroom.
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| CN102799936A (en) * | 2012-07-13 | 2012-11-28 | 北京凯森世纪科技发展有限公司 | Movie box office verifying system |
| CN103020708A (en) * | 2012-11-30 | 2013-04-03 | 唐榕珠 | System for counting and inquiring number of classroom persons |
| CN103413259A (en) * | 2013-08-27 | 2013-11-27 | 重庆大学 | Library seat selecting system and selecting method |
| CN103700048A (en) * | 2013-12-19 | 2014-04-02 | 天津大学 | Campus study room real-time information collection method on basis of intelligent mobile phones |
| CN103870874A (en) * | 2014-02-13 | 2014-06-18 | 中国电影器材有限责任公司 | Image identification-based people counting system and method in seat fixing occasion |
| CN104156729A (en) * | 2014-07-21 | 2014-11-19 | 武汉理工大学 | Counting method for people in classroom |
| CN104363304A (en) * | 2014-12-02 | 2015-02-18 | 上海斐讯数据通信技术有限公司 | System and method for inquiring squatting positions in public toilet |
| CN104463150A (en) * | 2015-01-05 | 2015-03-25 | 陕西科技大学 | Device and method for inquiring number of students in self-study room and distribution of occupied seats currently in real time |
| CN104463746A (en) * | 2014-12-23 | 2015-03-25 | 北海和思科技有限公司 | Family-school connection system based on student learning behavior monitoring method |
| CN104899556A (en) * | 2015-05-14 | 2015-09-09 | 中国农业大学 | System for counting persons in classroom based on image recognition |
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| CN105263108A (en) * | 2015-09-07 | 2016-01-20 | 广东欧珀移动通信有限公司 | Locating method and user terminal in indoor environment |
| CN105426859A (en) * | 2015-12-01 | 2016-03-23 | 东华大学 | Intelligent monitoring and statistics system for use condition of school playground |
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| CN105931215A (en) * | 2016-04-01 | 2016-09-07 | 乐视控股（北京）有限公司 | Data statistical method and device based on mobile terminal image identification |
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| CN107480632A (en) * | 2017-08-11 | 2017-12-15 | 安徽辉墨教学仪器有限公司 | Personnel statistical method in a kind of classroom based on video |
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| CN103020708A (en) * | 2012-11-30 | 2013-04-03 | 唐榕珠 | System for counting and inquiring number of classroom persons |
| CN103413259B (en) * | 2013-08-27 | 2016-03-30 | 重庆大学 | A kind of library seats selective system and system of selection thereof |
| CN103413259A (en) * | 2013-08-27 | 2013-11-27 | 重庆大学 | Library seat selecting system and selecting method |
| CN103700048A (en) * | 2013-12-19 | 2014-04-02 | 天津大学 | Campus study room real-time information collection method on basis of intelligent mobile phones |
| CN103870874A (en) * | 2014-02-13 | 2014-06-18 | 中国电影器材有限责任公司 | Image identification-based people counting system and method in seat fixing occasion |
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| CN105046418A (en) * | 2015-06-30 | 2015-11-11 | 成都亿邻通科技有限公司 | Intelligent pushing method |
| CN105263108A (en) * | 2015-09-07 | 2016-01-20 | 广东欧珀移动通信有限公司 | Locating method and user terminal in indoor environment |
| CN105426859A (en) * | 2015-12-01 | 2016-03-23 | 东华大学 | Intelligent monitoring and statistics system for use condition of school playground |
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| CN107480632A (en) * | 2017-08-11 | 2017-12-15 | 安徽辉墨教学仪器有限公司 | Personnel statistical method in a kind of classroom based on video |
| CN107403228A (en) * | 2017-08-17 | 2017-11-28 | 深圳市启惠智能科技有限公司 | A kind of predetermined process method, server and computer-readable storage medium |
| CN107633012A (en) * | 2017-08-17 | 2018-01-26 | 深圳市优品壹电子有限公司 | A kind of inquiry processing method, server and storage medium |
| CN107894728A (en) * | 2017-11-21 | 2018-04-10 | 大连大学 | Library's vacant seat detecting system |
| CN110688505A (en) * | 2019-09-30 | 2020-01-14 | 联想(北京)有限公司 | Information processing method, electronic device, and information processing system |
| CN110688505B (en) * | 2019-09-30 | 2023-09-19 | 联想(北京)有限公司 | Information processing method, electronic device and information processing system |
| CN113630459A (en) * | 2021-08-04 | 2021-11-09 | 江苏理工学院 | Laboratory data management terminal and method for teaching management by using same |
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