CN103716955A - Classroom zoned intelligent illumination system specific to night classes in universities - Google Patents
Classroom zoned intelligent illumination system specific to night classes in universities Download PDFInfo
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- CN103716955A CN103716955A CN201310593688.4A CN201310593688A CN103716955A CN 103716955 A CN103716955 A CN 103716955A CN 201310593688 A CN201310593688 A CN 201310593688A CN 103716955 A CN103716955 A CN 103716955A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a classroom zoned intelligent illumination system specific to night classes in universities and solves the problem that all lamps are turned on during the night classes. The hardware part comprises a camera, a computer, a single-chip microcomputer control circuit, and lamps. The software part comprises classroom zoned processing software and single-chip microcomputer control lamp switching-on/off software. The technical scheme of the system is that 1) the camera acquires a panoramic image of a classroom and transmits the panoramic image to the computer; 2) a graying treatment is conducted based on a colorimetric method to obtain a gray-scale image of a current frame and background; 3) a background differencing method is used to obtain a difference image; 4) a binary image only reserving moving targets is obtained based on morphology; 5) the binary image is divided into multiple regions corresponding to the lamps based on actual needs and it is determined whether students exist in each region or not; 6) determination data is transmitted to a single-chip microcomputer; and 7) the single-chip microcomputer receives the data and controls the switching-on/off the lamps. The system not only can satisfy personal habit requirements of the students on the night classes, but also can realize power saving. The system has a broad popularization and application prospect.
Description
Technical field
This patent relates to machine vision technique and single-chip microcomputer control technology, relates in particular to a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university.
Background technology
It is reported that place, the classroom electricity consumption wasting phenomenon ubiquity of a lot of schools is especially reviewed one's lessons by oneself the period evening even more serious.When reviewing one's lessons by oneself evening, student wishes that surrounding environment keeps relatively quiet, thus get used to disperseing classroom regional, but light fixture in classroom is all in channel status.Current for electrical energy saving, the one, by detector detect classroom number number, when number is less than certain value, automatically close light fixture to make student leave this classroom, reach the effect of concentrating classroom to review one's lessons, but cannot meet like this Students ' Learning custom demand; The 2nd, sniffer is installed on seat, can reach the effect that subregion is controlled, but classroom improvement cost is higher.
Monitoring camera is installed in current most of classroom, Xu Ba mono-tunnel vision signal is assigned on the computer that is specifically designed to Based Intelligent Control lamp switch, the classroom panoramic picture that utilizes the machine vision technique day by day rising to process camera Real-time Collection judges that regional has or not student, utilize singlechip technology to control the lamp switch state of regional, thereby not only meet student and review one's lessons by oneself personal habits demand evening, also can electrical energy saving, build economical campus, popularizing application prospect is wide.
Summary of the invention
The object of the invention is to meet under student's self-study demand, prevent electricity consumption waste, propose a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university.The classroom scene image that the machine vision technique that this system utilization is risen is day by day processed camera Real-time Collection judges that regional has or not student, utilize singlechip technology to change the lamp switch state of regional, feasible region has people just to turn on light, nobody just turns off the light region, not only can meet student and review one's lessons by oneself personal habits demand evening, also can realize electrical energy saving, build economical campus, popularizing application prospect is wide simultaneously.
Technical scheme of the present invention is: a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university, it is characterized in that, and comprise the following steps:
1) camera is taken classroom panoramic picture;
2) image gray processing is processed;
3) image difference differentiation is processed;
4) image binaryzation is processed;
5) process in picture portion territory;
6) Matlab and single chip communication;
7) lamp switch is controlled.
Described step 2) concrete steps that image gray processing is processed are: first respectively current frame image and background image are completed to RGB color space to the conversion of HSI color space; Then according to chromatic component, obtain respectively present frame gray level image and background gray level image, can reduce the impact of illumination variation on moving object detection.
Described step 3) concrete steps that image difference differentiation is processed are: to described step 2) present frame gray level image and background gray level image after processing carry out calculus of differences, according to the result of difference, can in process decision chart picture, whether there is moving target, obtain the difference image that contains moving target.
Described step 4) concrete steps that image binaryzation is processed are: first to described step 3) difference image after processing adopts Otsu method to carry out dynamic threshold segmentation and obtains containing noisy bianry image; Then utilize dilation erosion sisters algorithm can connect contiguous zone of dispersion and keep as far as possible original area; Finally utilize area-method filtering noise to extract the bianry image that only retains moving target.
Described step 5) concrete steps of subarea processing are: according to the number of light fixture, position and subregion illumination requirement, classroom is divided into several regions, reaches the illumination requirement that every light fixture meets corresponding region; And this Physical Extents is mapped to the pixel partitions in image, and then judging in described step 4) regional has or not moving target in bianry image after processing, judges which region has student to exist.
Described step 6) concrete steps of Matlab and single chip communication are: under Matlab environment, by described step 5) data of student distribution region situation after processing send to single-chip microcomputer by computer by serial mode.
Described step 7) concrete steps that lamp switch is controlled are: the data that single-chip microcomputer receiving computer sends are also controlled lamp switch.
The invention has the beneficial effects as follows: the present invention is directed to existing monitoring classroom and carry out simple reformation, improvement cost is low, be also applicable to newly-built classroom, can be embedded into supervisory control system, set up the energy-conservation classroom of novel monitoring simultaneously.Application of the present invention more meets student and reviews one's lessons by oneself self-study custom evening, also can electrical energy saving, build economical campus, and can produce good economic benefit, popularizing application prospect is wide.
Accompanying drawing explanation
Fig. 1 is this patent hardware connection diagram;
Fig. 2 is this patent system control flow chart;
Embodiment
Below in conjunction with accompanying drawing, this patent is described in detail.The present invention is directed to subregion, classroom intelligent illuminating system and there is following characteristics: 1. RGB coloured image; 2. subregion, classroom; 3. light fixture is controlled respectively.
The demand of reviewing one's lessons by oneself evening based on student individual and the requirement of electrical energy saving, this patent proposes subregion, a kind of classroom intelligent illuminating system.This system is realized by 7 steps: 1) camera is taken classroom panoramic picture; 2) based on chromatmetry, respectively current frame image and background image being carried out to gray processing processes and obtains present frame gray level image and background gray level image; 3) gray level image of present frame and background is carried out to calculus of differences and obtain difference image; 4) based on Otsu method, dilation erosion algorithm and area-method, obtain the bianry image that only retains moving target; 5) if bianry image is divided into the corresponding individual region of light fixture by the number of classroom lighting fixture, position and illumination intensity requirement, and judge respectively whether regional exists moving target to judge and have or not student to exist; 6) utilize Matlab and single chip communication technology to send to single-chip microcomputer the data that regional has or not student to exist; 7) data that single-chip microcomputer receiving computer sends are also controlled lamp switch.
Subregion, the classroom intelligent illuminating system of this patent is comprised of hardware and software two parts.Hardware components mainly contains: camera, computer, single chip machine controlling circuit, light fixture, its hardware connects as shown in Figure 1.Software section mainly comprises region, classroom demographics software and light fixture intelligent control software, and the former completes algorithm by host computer computer, and the latter completes control by slave computer single-chip microcomputer, and as shown in Figure 2, it mainly comprises the following steps its system control flow:
1. camera collection classroom panoramic picture, sends images to computer by data wire;
2. image gray processing is processed: first respectively current frame image and background image are completed to RGB color space to the conversion of HSI color space; Then according to chromatic component, obtain respectively present frame gray level image and background gray level image, can reduce the impact of illumination variation on moving object detection.
3. image difference differentiation is processed: present frame gray level image and background gray level image carry out calculus of differences, according to the result of difference, can in process decision chart picture, whether have moving target, obtain the difference image that contains moving target.
4. image binaryzation is processed: to difference image, adopt Otsu method to carry out dynamic threshold segmentation and obtain containing noisy bianry image; Then utilize dilation erosion sisters algorithm can connect contiguous zone of dispersion and keep as far as possible original area; Finally utilize area-method filtering noise to extract the bianry image that only retains moving target.
5. subarea processing: according to the number of light fixture, position and subregion illumination requirement, classroom is divided into several regions, reaches the illumination requirement that every light fixture meets corresponding region; And this Physical Extents is mapped to the pixel partitions in image, and then judge that regional has or not moving target, judge which region has student to exist.
6.Matlab and single chip communication: under Matlab environment, the data of computer being obtained to student distribution region situation send to single-chip microcomputer by serial mode.
7. lamp switch is controlled: the data that single-chip microcomputer receiving computer sends are also controlled lamp switch.
Claims (8)
1. subregion, a classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university, comprises hardware and software two parts.Hardware components mainly contains: camera, computer, single chip machine controlling circuit, light fixture.Software section mainly comprises classroom subarea processing software and Single-chip Controlling lamp switch software, and the former completes algorithm by host computer computer, and the latter completes control by slave computer single-chip microcomputer.It is characterized in that, comprise following key step:
1) camera is taken classroom panoramic picture;
2) image gray processing is processed;
3) image difference differentiation is processed;
4) image binaryzation is processed;
5) process in picture portion territory;
6) Matlab and single chip communication;
7) lamp switch is controlled.
2. a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university according to claim 1, it is characterized in that described step 2) concrete steps processed of image gray processing are: first respectively current frame image and background image are completed to RGB color space to the conversion of HSI color space; Then according to chromatic component, obtain respectively present frame gray level image and background gray level image, can reduce the impact of illumination variation on moving object detection.
3. a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university according to claim 1, it is characterized in that, described step 3) concrete steps that image difference differentiation is processed are: to described step 2) present frame gray level image and background gray level image after processing carry out calculus of differences, according to the result of difference, can in process decision chart picture, whether there is moving target, obtain the difference image that contains moving target.
4. a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university according to claim 1, it is characterized in that described step 4) concrete steps processed of image binaryzation are: first to described step 3) difference image after processing adopts Otsu method to carry out dynamic threshold segmentation and obtains containing noisy bianry image; Then utilize dilation erosion sisters algorithm can connect contiguous zone of dispersion and keep as far as possible original area; Finally utilize area-method filtering noise to extract the bianry image that only retains moving target.
5. a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university according to claim 1, it is characterized in that, described step 5) concrete steps of subarea processing are: according to the number of light fixture, position and subregion illumination requirement, classroom is divided into several regions, reaches the illumination requirement that every light fixture meets corresponding region; And this Physical Extents is mapped to the pixel partitions in image, and then judging in described step 4) regional has or not moving target in bianry image after processing, judges which region has student to exist.
6. a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university according to claim 1, it is characterized in that, described step 6) concrete steps of Matlab and single chip communication are: under Matlab environment, by described step 5) data of student distribution region situation after processing send to single-chip microcomputer by computer by serial mode.
7. a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university according to claim 1, is characterized in that described step 7) concrete steps controlled of lamp switch are: the data that single-chip microcomputer receiving computer sends are also controlled lamp switch.
8. a kind of subregion, classroom intelligent illuminating system of reviewing one's lessons by oneself evening for university according to claim 1, it is characterized in that, the supervisory control system that described components of system as directed equipment can be used classroom is implemented, and also the present invention can be embedded into new classroom monitoring system and implement.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333950A (en) * | 2014-10-14 | 2015-02-04 | 苏州合欣美电子科技有限公司 | Indoor operation lighting control method |
| CN105872115A (en) * | 2016-06-27 | 2016-08-17 | 石梦 | Remote monitoring system based on cloud computing |
| CN107257449A (en) * | 2016-06-27 | 2017-10-17 | 石梦 | A kind of remote supervision system based on cloud computing |
| CN107547830A (en) * | 2016-06-27 | 2018-01-05 | 张兰 | Cloud computing system |
| CN107548213A (en) * | 2016-10-25 | 2018-01-05 | 郑州蓝视科技有限公司 | Floor lighting energy saving method based on video acquisition |
| CN109640442A (en) * | 2018-12-14 | 2019-04-16 | 东南大学 | A kind of classroom luminous environment control system based on NB-IOT |
| CN109661091A (en) * | 2019-02-20 | 2019-04-19 | 大连交通大学 | Lighting control system based on monitor video |
| WO2019169821A1 (en) * | 2018-03-05 | 2019-09-12 | 深圳市奥拓电子股份有限公司 | Intelligent detection method and system for led lamp, and storage medium |
| CN110418478A (en) * | 2019-07-26 | 2019-11-05 | 广东工业大学 | Energy-saving lamp control method and device based on CNN |
| CN110503017A (en) * | 2019-08-12 | 2019-11-26 | 北京交通大学 | Wisdom energy conservation occupancy detection system and method based on image procossing |
| CN110708823A (en) * | 2019-10-29 | 2020-01-17 | 佛山科学技术学院 | Classroom automatic power-off control method and system based on image recognition |
| CN112533319A (en) * | 2018-12-29 | 2021-03-19 | 中国计量大学 | Scene type classroom intelligent lighting control device |
| CN112543536A (en) * | 2020-12-14 | 2021-03-23 | 上海大学 | Automatic closing device and method for classroom lighting facilities |
| CN116193682A (en) * | 2023-04-19 | 2023-05-30 | 江西惜能照明有限公司 | Classroom lighting lamp control method and device |
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| CN104333950A (en) * | 2014-10-14 | 2015-02-04 | 苏州合欣美电子科技有限公司 | Indoor operation lighting control method |
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| CN107547830A (en) * | 2016-06-27 | 2018-01-05 | 张兰 | Cloud computing system |
| CN105872115A (en) * | 2016-06-27 | 2016-08-17 | 石梦 | Remote monitoring system based on cloud computing |
| CN107257449A (en) * | 2016-06-27 | 2017-10-17 | 石梦 | A kind of remote supervision system based on cloud computing |
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| CN107548213A (en) * | 2016-10-25 | 2018-01-05 | 郑州蓝视科技有限公司 | Floor lighting energy saving method based on video acquisition |
| WO2019169821A1 (en) * | 2018-03-05 | 2019-09-12 | 深圳市奥拓电子股份有限公司 | Intelligent detection method and system for led lamp, and storage medium |
| CN109640442B (en) * | 2018-12-14 | 2021-06-11 | 东南大学 | Classroom light environment control system based on NB-IOT |
| CN109640442A (en) * | 2018-12-14 | 2019-04-16 | 东南大学 | A kind of classroom luminous environment control system based on NB-IOT |
| CN112533319B (en) * | 2018-12-29 | 2023-09-22 | 中国计量大学 | Scene type classroom intelligent lighting control device |
| CN112533319A (en) * | 2018-12-29 | 2021-03-19 | 中国计量大学 | Scene type classroom intelligent lighting control device |
| CN109661091A (en) * | 2019-02-20 | 2019-04-19 | 大连交通大学 | Lighting control system based on monitor video |
| CN110418478A (en) * | 2019-07-26 | 2019-11-05 | 广东工业大学 | Energy-saving lamp control method and device based on CNN |
| CN110503017A (en) * | 2019-08-12 | 2019-11-26 | 北京交通大学 | Wisdom energy conservation occupancy detection system and method based on image procossing |
| CN110708823A (en) * | 2019-10-29 | 2020-01-17 | 佛山科学技术学院 | Classroom automatic power-off control method and system based on image recognition |
| CN112543536A (en) * | 2020-12-14 | 2021-03-23 | 上海大学 | Automatic closing device and method for classroom lighting facilities |
| CN112543536B (en) * | 2020-12-14 | 2022-02-11 | 上海大学 | Automatic closing device and method for classroom lighting facilities |
| CN116193682A (en) * | 2023-04-19 | 2023-05-30 | 江西惜能照明有限公司 | Classroom lighting lamp control method and device |
| CN116193682B (en) * | 2023-04-19 | 2023-07-04 | 江西惜能照明有限公司 | Classroom lighting lamp control method and device |
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