CN114423123A - Public area illumination control method based on video information linkage - Google Patents
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
- H05B47/125—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using cameras
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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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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The invention discloses a public area illumination control method based on video information linkage, which comprises the following steps: the method comprises the steps that public area space data information is obtained through a public area space obtaining module, public area illumination is divided into a plurality of public area illumination units through a public area illumination dividing module, a public area real-time video image is obtained through a public area real-time video collecting module, the video image is divided into a plurality of units through the public area illumination dividing module, public area unit illumination data is obtained through a public area illumination module, public area unit people stream density data is obtained through a public area people stream analyzing module, and the public area illumination control module carries out mode control on the public area illumination units based on the public area unit illumination data and the public area unit people stream density data. Compared with the existing control method based on illumination adjustment, the method has the advantages of higher accuracy, lower cost, convenience for later maintenance, capability of improving the comfort of the illumination of passengers and effective reduction of illumination energy consumption.
Description
Technical Field
The invention relates to the technical field of intelligent lighting, in particular to a public area lighting control method based on video information linkage.
Background
With the increasing promotion of railway construction in China, the scale of railway stations is continuously enlarged, the area of public areas such as waiting rooms, stations, ticket selling rooms and traffic transfer areas in the railway stations accounts for more than 80% of the total building area of the railway stations, the lighting effect of the public areas of the railway stations is a key factor influencing passenger comfort experience, in addition, the public areas of the railway stations are large spaces, lighting lamps in the spaces are large in number and large in power, and electricity for lighting in the public areas is one of the main components of energy consumption of the stations.
In the railway passenger stations which are put into operation or under construction at home at present, the public area illumination is provided with an intelligent illumination control system, the existing intelligent illumination control system controls the public area illumination to be fully turned on, fully turned off, 1/2 turned on, 1/4 turned on and the like by depending on an illumination sensor arranged in the public area and based on an illumination value detected by the illumination sensor, in actual use, the control modes of full opening in holidays, half opening in areas, duty and the like are generally set manually, and the corresponding preset illumination mode is selected by combining with the requirement of the operation time sequence of the passenger stations.
The existing intelligent illumination control method depends on illumination sensor data as input parameters, on one hand, because the illumination sensor belongs to point detection, the integral illumination effect in different functional areas of a public area is difficult to reflect by single sensor data, if the sensor distribution is increased, the investment of wiring and point position is greatly increased, and the later operation and maintenance are not facilitated, on the other hand, the space-time distribution difference of the people flow density in each partition of the public area of the railway passenger station is large, and illumination adjustment cannot be performed according to the people flow in different functional partitions only by means of illumination detection.
And for example, patent application No. cn201320238123.x proposes a lighting system for automatically adjusting an illumination area according to indoor pedestrian volume, and the system comprises a pedestrian volume counting module, a human body heat source sensing module, a single-chip microcomputer control module, a signal amplification module and a lighting lamp. The human body heat source sensing module detects the activity area of indoor personnel, then the personnel send the collected information to the single chip microcomputer control module through the input/output interface, the single chip microcomputer control module analyzes the sent information, and then sends a signal for controlling the on/off of the illuminating lamp corresponding to the analysis result to the signal amplification module through the input/output interface, and the signal amplification module amplifies the signal and sends the amplified signal to the illuminating lamp through the input/output interface to control the on/off of the corresponding illuminating lamp. Although the system solves the problem of energy waste to a certain extent, the system can only adjust the on and off of the indoor illuminating lamp according to the indoor condition, cannot control and adjust the illumination by regions, and cannot meet the actual requirement.
Disclosure of Invention
Because the existing lighting control strategy for the public area of the railway passenger station is difficult to perform feedback control according to the whole lighting effect of the public area, the real-time regulation can not be performed according to different people flow densities and gathering quantities in the public area, and the requirements that the lighting can practically meet the passenger comfort requirement and the lighting energy consumption in the public area can not be realized. Therefore, the invention provides a public area illumination control method based on video information linkage, which comprises the following steps:
s1: public area space data information is acquired through a public area space acquisition module and is uploaded to a public area illumination dividing module;
s2: the public area illumination dividing module divides public area illumination into a plurality of public area illumination units;
s3: the method comprises the steps that a public area real-time video acquisition module acquires a public area real-time video image and uploads the public area real-time video image to a public area illumination dividing module;
s4: the public area illumination dividing module divides a video image into a plurality of units and respectively uploads the units to a public area illumination module and a public area people stream analysis module, wherein the public area illumination module is used for acquiring public area unit illumination data, and the public area people stream analysis module is used for acquiring public area unit people stream density data;
s5: and the public area illumination control module performs mode control on the public area illumination units based on the public area unit illumination data and the public area unit people flow density data.
Specifically, the public area spatial data information includes public area, lamp installation height and total number of lamps.
Specifically, the specific method of step S2 is: the division of the common area lighting units is performed as follows,
in the formula, Sf is the minimum public area lighting unit area, N1 is the total number of lamps in the public area, N2 is the maximum number of lamps in the same circuit in the public area, H1 is the average installation height of the lamps in the public area, H2 is the average installation height of the lamps in the same circuit in the public area, R is the space special-shaped coefficient, L0 is the perimeter of a square under the same area in the public area, and L is the actual perimeter of the public area.
Specifically, the public area illumination module adopts an image brightness identification method to perform grid comparison on a real-time public area brightness and darkness and a standard brightness and darkness reference image so as to obtain public area unit illumination data.
Specifically, the public area people flow analysis module adopts an image element identification method, takes an agent as a basic identification element, and carries out grid comparison on a public area real-time people group graph and an unmanned reference graph to obtain public area unit people flow density data.
Specifically, step S5 includes the following steps:
s51: when the pedestrian flow in the public area lighting unit is smaller than a preset pedestrian flow threshold value F1 in a monitoring period T1, entering power-saving control, and maintaining the basic illumination I1 by the public area lighting unit;
s52: when the pedestrian flow in the public area lighting units exceeds a preset pedestrian flow threshold value F1 in a monitoring period T1, tracking control is carried out, the illuminance in the public area lighting units exceeding the threshold value F1 maintains a saturated illuminance I2, and the illuminance of the rest public area lighting units maintains a basic illuminance I1;
s53: when the passenger flow in the public area lighting unit exceeds a preset passenger flow threshold value F2 in a monitoring period T1, the control enters into the holding control, and the illumination in the public area lighting unit meeting the conditions maintains the saturation illumination I2.
Specifically, the preset human flow threshold F1 is smaller than the preset human flow threshold F2.
The invention has the beneficial effects that: the video information is used as the input parameter of illumination control, the real-time illumination effect of a public area is more comprehensively reflected than the data of an illumination sensor, the accuracy is higher than that of the existing control method based on illumination adjustment, and the large-scale arrangement of the illumination sensor by the video camera saves a large amount of wiring and is convenient for later maintenance; the people flow density of each lighting unit in the public area extracted based on the video information is used as an adjusting parameter, so that the passenger illumination comfort can be improved, and meanwhile, the lighting energy consumption is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a control flow diagram of the present invention;
FIG. 2 is a real-time crowd diagram of a public area;
FIG. 3 is a diagram of a community unmanned human reference;
FIG. 4 is a population distribution plot at time A;
fig. 5 is a population distribution plot at time B.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention can be understood to provide a solution for solving the technical problems that the existing lighting control strategy for the public area of the railway passenger station is difficult to perform feedback control according to the whole lighting effect of the public area, cannot perform real-time adjustment according to different people flow densities and aggregation quantities in the public area, cannot realize lighting which can practically meet the requirement of passenger comfort and simultaneously reduce the requirement of lighting energy consumption in the public area, and the embodiment is specifically referred to.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example 1:
referring to fig. 1 to 5, a method for controlling lighting in a public area based on video information linkage, the method comprising the steps of:
s1: public area space data information is acquired through a public area space acquisition module and is uploaded to a public area illumination dividing module;
s2: the public area illumination dividing module divides public area illumination into a plurality of public area illumination units;
s3: the method comprises the steps that a public area real-time video acquisition module acquires a public area real-time video image and uploads the public area real-time video image to a public area illumination dividing module;
s4: the public area illumination dividing module divides a video image into a plurality of units and respectively uploads the units to a public area illumination module and a public area people stream analysis module, wherein the public area illumination module is used for acquiring public area unit illumination data, and the public area people stream analysis module is used for acquiring public area unit people stream density data;
s5: and the public area illumination control module performs mode control on the public area illumination units based on the public area unit illumination data and the public area unit people flow density data.
Further, the public area spatial data information includes public area, lamp installation height and total number of lamps.
Further, the specific method of step S2 is: the division of the common area lighting units is performed as follows,
in the formula, Sf is the minimum public area lighting unit area, N1 is the total number of lamps in the public area, N2 is the maximum number of lamps in the same circuit in the public area, H1 is the average installation height of the lamps in the public area, H2 is the average installation height of the lamps in the same circuit in the public area, R is the space special-shaped coefficient, L0 is the perimeter of a square under the same area in the public area, and L is the actual perimeter of the public area.
Furthermore, the public area illumination module adopts an image brightness identification method to perform grid comparison on the real-time public area brightness and darkness and a standard brightness and darkness reference image so as to obtain the public area unit illumination data. Specifically, based on a real-time video image of a public area, the video image is divided into a plurality of units through a public area lighting dividing module, and an image brightness identification method is adopted to perform grid comparison on a real-time brightness image of the public area and a brightness reference under standard illumination so as to obtain the illumination data of the public area unit.
Furthermore, the public area people flow analysis module adopts an image element identification method, takes an agent as a basic identification element, and carries out grid comparison on the public area real-time people group image and the unmanned reference image to obtain the public area unit people flow density data. Specifically, the video image is divided into a plurality of units through a public area lighting dividing module based on a public area real-time video image, an image element identification method is adopted, an agent is used as a basic identification element, and a public area real-time crowd graph and an unmanned reference graph are subjected to grid comparison to obtain public area unit crowd density data.
Further, step S5 includes the following steps:
s51: when the pedestrian flow in the public area lighting unit is smaller than a preset pedestrian flow threshold value F1 in a monitoring period T1, entering power-saving control, and maintaining the basic illumination I1 by the public area lighting unit;
s52: when the pedestrian flow in the public area lighting units exceeds a preset pedestrian flow threshold value F1 in a monitoring period T1, tracking control is carried out, the illuminance in the public area lighting units exceeding the threshold value F1 maintains a saturated illuminance I2, and the illuminance of the rest public area lighting units maintains a basic illuminance I1;
s53: when the passenger flow in the public area lighting unit exceeds a preset passenger flow threshold value F2 in a monitoring period T1, the control enters into the holding control, and the illumination in the public area lighting unit meeting the conditions maintains the saturation illumination I2.
Further, the preset human flow threshold F1 is smaller than the preset human flow threshold F2.
Specifically, as the crowd moves from one row of the public area lighting units to another row of the public area lighting units, the former row of the public area lighting units is converted from the saturation illuminance I2 to the basic illuminance I1, and at the same time, the other row of the public area lighting units is converted from the basic illuminance I1 to the saturation illuminance I2, as can be seen in fig. 4-5. Namely, the public area illumination control module can control the lamp to always convert the illumination of the area where the crowd is located into the saturated illumination I2 according to the trend of the crowd, and convert the illumination of the area into the basic illumination I1 when the crowd leaves.
Specifically, when the human flow is large (i.e. when the human flow in the public area lighting unit exceeds the preset human flow threshold F2 in the monitoring period T1), the tracking control mode is not entered, and the area where the human group is located is always maintained at the saturation illumination I2. When the pedestrian volume in the public area lighting unit exceeds the preset pedestrian volume threshold F1 and is less than the preset pedestrian volume threshold F2 within the monitoring period T1, the tracking control is performed.
And further, after being controlled by the public area illumination control module, the real-time video image acquired by the public area real-time video acquisition module is fed back and adjusted according to the public area real-time illumination effect.
Furthermore, the controller automatically processes and switches according to the real-time video information, and the lighting scene mode does not need to be set manually.
The video information is used as the input parameter of illumination control, the real-time illumination effect of a public area is more comprehensively reflected than the data of the illumination sensor, the accuracy is higher than that of the existing control method based on illumination adjustment, and the large-scale arrangement of the illumination sensor by the video camera saves a large amount of wiring and is convenient for later maintenance; the people flow density of each lighting unit in the public area extracted based on the video information is used as an adjusting parameter, so that the passenger illumination comfort can be improved, and meanwhile, the lighting energy consumption is effectively reduced.
It should be noted that, for simplicity of description, the foregoing embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
In the above embodiments, the basic principle and the main features of the present invention and the advantages of the present invention are described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, and that modifications and variations can be made by one skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A public area illumination control method based on video information linkage is characterized by comprising the following steps:
s1: public area space data information is acquired through a public area space acquisition module and is uploaded to a public area illumination dividing module;
s2: the public area illumination dividing module divides public area illumination into a plurality of public area illumination units;
s3: the method comprises the steps that a public area real-time video acquisition module acquires a public area real-time video image and uploads the public area real-time video image to a public area illumination dividing module;
s4: the public area illumination dividing module divides a video image into a plurality of units and respectively uploads the units to a public area illumination module and a public area people stream analysis module, wherein the public area illumination module is used for acquiring public area unit illumination data, and the public area people stream analysis module is used for acquiring public area unit people stream density data;
s5: and the public area illumination control module performs mode control on the public area illumination units based on the public area unit illumination data and the public area unit people flow density data.
2. The video information linkage-based public area lighting control method according to claim 1, wherein the public area spatial data information comprises public area, lamp installation height and total number of lamps.
3. The method for controlling illumination of a public area based on linkage of video information as claimed in claim 1, wherein the specific method of step S2 is: the division of the common area lighting units is performed as follows,
in the formula, Sf is the minimum public area lighting unit area, N1 is the total number of lamps in the public area, N2 is the maximum number of lamps in the same circuit in the public area, H1 is the average installation height of the lamps in the public area, H2 is the average installation height of the lamps in the same circuit in the public area, R is the space special-shaped coefficient, L0 is the perimeter of a square under the same area in the public area, and L is the actual perimeter of the public area.
4. The method as claimed in claim 1, wherein the common area illumination module performs grid comparison of the real-time public area light and shade pattern with a standard illumination light and shade reference pattern by using an image light and shade recognition method to obtain the common area unit illumination data.
5. The method as claimed in claim 1, wherein the public area people stream analysis module adopts an image element recognition method, takes an agent as a basic recognition element, and performs grid comparison between a public area real-time people group diagram and an unmanned reference diagram to obtain the public area unit people stream density data.
6. The video-information-linkage-based public area lighting control method according to claim 1, wherein the step S5 includes the steps of:
s51: when the pedestrian flow in the public area lighting unit is smaller than a preset pedestrian flow threshold value F1 in a monitoring period T1, entering power-saving control, and maintaining the basic illumination I1 by the public area lighting unit;
s52: when the pedestrian flow in the public area lighting units exceeds a preset pedestrian flow threshold value F1 in a monitoring period T1, tracking control is carried out, the illuminance in the public area lighting units exceeding the threshold value F1 maintains a saturated illuminance I2, and the illuminance of the rest public area lighting units maintains a basic illuminance I1;
s53: when the passenger flow in the public area lighting unit exceeds a preset passenger flow threshold value F2 in a monitoring period T1, the control enters into the holding control, and the illumination in the public area lighting unit meeting the conditions maintains the saturation illumination I2.
7. The video-information-linkage-based public area lighting control method of claim 6, wherein the preset people flow threshold F1 is smaller than the preset people flow threshold F2.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116113116A (en) * | 2023-04-11 | 2023-05-12 | 重庆华悦生态环境工程研究院有限公司深圳分公司 | Illumination control method and device for reservoir |
| CN116113116B (en) * | 2023-04-11 | 2023-06-09 | 重庆华悦生态环境工程研究院有限公司深圳分公司 | Illumination control method and device for reservoir |
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| CN114423123B (en) | 2022-06-21 |
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