CN109117805B - Stage lighting array fire prevention control system - Google Patents
Stage lighting array fire prevention control system Download PDFInfo
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- CN109117805B CN109117805B CN201810957677.2A CN201810957677A CN109117805B CN 109117805 B CN109117805 B CN 109117805B CN 201810957677 A CN201810957677 A CN 201810957677A CN 109117805 B CN109117805 B CN 109117805B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/20—Scenes; Scene-specific elements in augmented reality scenes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
- G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
Abstract
The invention relates to a stage lighting array fire prevention control system, which comprises: the stage lighting array is arranged above the performance site and used for providing illumination light and background light for the performance of the performance site; the temperature detection equipment is arranged near the stage lighting array and used for detecting whether the air temperature of the environment around the stage lighting array is greater than or equal to a preset temperature threshold value or not and sending a temperature trigger signal when the air temperature of the environment around the stage lighting array is greater than the preset temperature threshold value; a field capture device to perform field image capture on the stage lighting array to obtain and output a field captured image; and the first extraction equipment is connected with the field capture equipment and used for receiving the field capture image, carrying out an average value operation on the gray values of all pixel points of the field capture image to obtain a first gray average value and outputting the first gray average value. By the invention, the security system of the existing stage equipment is upgraded.
Description
Technical Field
The invention relates to the field of stage security, in particular to a stage lighting array fireproof control system.
Background
Stage lighting is an important component of the presentation space. The character and the required specific scene are all-round viewed according to the development of the plot
The design of the light of the stage lighting environment and the artistic creation of reproducing the design intention for audiences in a visual and vivid manner purposefully. The space modeling of characters and plots is comprehensively and systematically considered, modeling rules are strictly followed, and relevant effective means are applied.
Disclosure of Invention
In order to solve the technical problem of security and protection loss of the current stage lighting array, the invention provides a stage lighting array fire prevention control system, wherein a high-precision smoke detection mechanism consisting of a plurality of related devices is built around the stage lighting array, so that automatic fire extinguishing operation on site fire is realized; a two-stage segmentation mechanism is adopted to carry out targeted enhancement operation on a local area which needs to be enhanced most in an image to be processed, no enhancement operation is carried out on the rest area, and a two-stage combination mechanism is adopted to carry out image reconstruction, so that the speed of image processing is ensured; and determining whether the field capturing device has an offset condition or not based on the comparison result of the image content captured by the field capturing device and the image content with different preset backgrounds, and displaying the corresponding offset condition on the field to remind related personnel and departments.
According to an aspect of the invention, there is provided a stage lighting array fire protection control system, the system comprising:
the stage lighting array is arranged above the performance site and used for providing illumination light and background light for the performance of the performance site;
the temperature detection equipment is arranged near the stage lighting array and used for detecting whether the air temperature of the environment around the stage lighting array is greater than or equal to a preset temperature threshold value or not and sending a temperature trigger signal when the air temperature of the environment around the stage lighting array is greater than the preset temperature threshold value;
a field capture device to perform field image capture on the stage lighting array to obtain and output a field captured image;
the first extraction device is connected with the field capture device and used for receiving the field capture image, carrying out an average value operation on the gray values of all pixel points of the field capture image to obtain a first gray average value and outputting the first gray average value;
the second extraction device is used for carrying out the average value operation on the gray values of all the pixel points of the first reference image so as to obtain a second gray average value and outputting the second gray average value, performing an averaging operation on the gray values of all the pixel points of the second reference image to obtain a third gray average value, and outputting the third gray average value, performing an averaging operation on the gray values of all the pixel points of the third reference image to obtain a fourth gray average value, and outputting the fourth gray average value, wherein the first reference image is an image of a non-moving object photographed by the field capture device in advance in a set photographing direction, the second reference image is an image of a non-moving object photographed by the field capture device after being deviated to the left side in a set photographing direction in advance, the third reference image is an image without a moving target, which is shot by the field capture equipment after deviating from the right side according to a set shooting direction in advance;
the first processing device is respectively connected with the first extraction device and the second extraction device, and is used for receiving the first gray mean value, the second gray mean value, the third gray mean value and the fourth gray mean value, calculating a difference value between the first gray mean value and the second gray mean value, sending a direction change signal when the difference value exceeds a limit, respectively matching the first gray mean value with the third gray mean value and the fourth gray mean value, and sending a left-direction shift signal when the matching degree with the third gray mean value is greater than that with the fourth gray mean value;
the image searching device is connected with the field capturing device and used for receiving the field capturing image, searching the appearance of the target of the field capturing image to obtain the appearance of each target, taking the area where the appearance of the target with the largest size is located as the area to be processed and outputting the area to be processed;
the image segmentation equipment is connected with the image search equipment and used for receiving the field capture image and the area to be processed and taking the field capture image with the area to be processed removed as a search residual area;
the image segmentation equipment is connected with the image segmentation equipment and used for receiving the to-be-processed area, determining the energy size distributed in different frequency bands in the to-be-processed area, taking a plurality of frequency bands with energy less than or equal to a limited amount as a plurality of to-be-processed frequency bands, and performing band-pass filtering processing on the to-be-processed area based on the plurality of to-be-processed frequency bands to obtain a band-pass filtering area from the to-be-processed area and with the plurality of to-be-processed frequency bands, and further used for obtaining a band-pass reserved area from which the band-pass filtering area is removed from the to-be-processed area;
two-stage combination equipment, respectively connected to the image subdivision equipment and the image segmentation equipment, for performing gain processing on the band-pass filtering regions based on the dynamic distribution range of the band-pass filtering regions to obtain corresponding gain processing regions, combining the gain processing regions and the band-pass reserved regions to obtain combined regions corresponding to the regions to be processed, and combining the combined regions with the search residual regions to obtain local gain images corresponding to the field captured images;
the environment analysis equipment is connected with the two-stage combination equipment and used for receiving the local gain image, determining whether each pixel point in the local gain image is a smoke pixel point or not based on a preset smoke gray upper threshold and a preset smoke gray lower threshold when the temperature trigger signal is received, calculating the total number of all smoke pixel points, and sending a smoke alarm signal when the proportion of the total number of all smoke pixel points occupying the total number of the local gain image pixel points exceeds the limit;
and the automatic fire extinguishing equipment is arranged near the stage lighting array and is used for executing automatic fire extinguishing operation when receiving the smoke alarm signal.
More specifically, in the stage lighting array fire protection control system: in the temperature detection equipment, when the air temperature of the environment around the stage lighting array is less than or equal to the preset temperature threshold value, a normal temperature signal is sent.
More specifically, in the stage lighting array fire protection control system: in the two-stage combination device, the narrower the dynamic distribution range of the band-pass filtering region is, the greater the gain processing strength performed on the band-pass filtered image is.
More specifically, in the stage lighting array fire prevention control system, further comprising: and the first display device is arranged on one side of the field capture device and is connected with the first processing device.
More specifically, in the stage lighting array fire protection control system: and the first display equipment is used for displaying the highlighted character warning information corresponding to the leftward deviation signal on site when receiving the leftward deviation signal.
More specifically, in the stage lighting array fire protection control system: in the first processing device, when the matching degree with the third gray average value is less than or equal to the matching degree with the fourth gray average value, a right-direction offset signal is sent out.
More specifically, in the stage lighting array fire protection control system: and the first display equipment is also used for displaying highlighted character warning information corresponding to the right deviation signal on site when the right deviation signal is received.
Detailed Description
Embodiments of the stage lighting array fire protection control system of the present invention will be described in detail below.
Stage lighting can be divided into floodlights, spotlights and slide projectors according to optical structures; the positions installed on the stage are divided into surface light, ear light, foot light, column light, top light, ground light and flowing light. The floodlight system is a lamp which can emit uniform and soft light and can irradiate light in a certain direction. Individual floodlights, overhead row lights, footlights, and curtain lights, etc. are commonly used to illuminate a backdrop, drawing set or show. The light-gathering system refers to a lamp which can emit light in a directional manner and can control the range of a light area. Different spots are projected through the lens, typically using the principle of refraction. If a screw thread soft light lens is used, a light spot with soft edge can be generated. A reflection optical structure is adopted to obtain a light-gathering effect. The slide projector system is formed by adding a group of objective lenses in front of a spotlight to project light for imaging. Such slides can be further divided into: firstly, a scene slide is projected by using slide imaging; secondly, casting a scene slide show by using a rotating disc type chain belt to cast movable images such as clouds, water, fire and the like on the scenery; and thirdly, the small light spots are imaged clearly by using the long-focus objective lens. A follow spot lamp with a prominent main corner image; and fourthly, the name of the ellipsoidal concave mirror is the lamp of the modeling lamp.
The control system for stage lighting must be able to effectively control and deploy all the fixtures and produce a harmonious artistic effect. The intelligent control system consists of a power distribution board, a dimmer and a master control console.
The stage lighting design is mainly designed according to the script, the director requirement and the general idea of stage art, the light distribution design drawing is drawn, and the technology is specifically arranged to embody the work. The light design can adapt to the performances of different styles by using various modeling means, wherein certain performances require the expression of realistic styles, and certain performances require the creation of abstract, written or metaphorical situations.
In order to overcome the defects, the invention builds a stage lighting array fireproof control system and effectively solves the related technical problems.
The stage lighting array fire prevention control system shown according to the embodiment of the invention comprises:
the stage lighting array is arranged above the performance site and used for providing illumination light and background light for the performance of the performance site;
the temperature detection equipment is arranged near the stage lighting array and used for detecting whether the air temperature of the environment around the stage lighting array is greater than or equal to a preset temperature threshold value or not and sending a temperature trigger signal when the air temperature of the environment around the stage lighting array is greater than the preset temperature threshold value;
a field capture device to perform field image capture on the stage lighting array to obtain and output a field captured image;
the first extraction device is connected with the field capture device and used for receiving the field capture image, carrying out an average value operation on the gray values of all pixel points of the field capture image to obtain a first gray average value and outputting the first gray average value;
the second extraction device is used for carrying out the average value operation on the gray values of all the pixel points of the first reference image so as to obtain a second gray average value and outputting the second gray average value, performing an averaging operation on the gray values of all the pixel points of the second reference image to obtain a third gray average value, and outputting the third gray average value, performing an averaging operation on the gray values of all the pixel points of the third reference image to obtain a fourth gray average value, and outputting the fourth gray average value, wherein the first reference image is an image of a non-moving object photographed by the field capture device in advance in a set photographing direction, the second reference image is an image of a non-moving object photographed by the field capture device after being deviated to the left side in a set photographing direction in advance, the third reference image is an image without a moving target, which is shot by the field capture equipment after deviating from the right side according to a set shooting direction in advance;
the first processing device is respectively connected with the first extraction device and the second extraction device, and is used for receiving the first gray mean value, the second gray mean value, the third gray mean value and the fourth gray mean value, calculating a difference value between the first gray mean value and the second gray mean value, sending a direction change signal when the difference value exceeds a limit, respectively matching the first gray mean value with the third gray mean value and the fourth gray mean value, and sending a left-direction shift signal when the matching degree with the third gray mean value is greater than that with the fourth gray mean value;
the image searching device is connected with the field capturing device and used for receiving the field capturing image, searching the appearance of the target of the field capturing image to obtain the appearance of each target, taking the area where the appearance of the target with the largest size is located as the area to be processed and outputting the area to be processed;
the image segmentation equipment is connected with the image search equipment and used for receiving the field capture image and the area to be processed and taking the field capture image with the area to be processed removed as a search residual area;
the image segmentation equipment is connected with the image segmentation equipment and used for receiving the to-be-processed area, determining the energy size distributed in different frequency bands in the to-be-processed area, taking a plurality of frequency bands with energy less than or equal to a limited amount as a plurality of to-be-processed frequency bands, and performing band-pass filtering processing on the to-be-processed area based on the plurality of to-be-processed frequency bands to obtain a band-pass filtering area from the to-be-processed area and with the plurality of to-be-processed frequency bands, and further used for obtaining a band-pass reserved area from which the band-pass filtering area is removed from the to-be-processed area;
two-stage combination equipment, respectively connected to the image subdivision equipment and the image segmentation equipment, for performing gain processing on the band-pass filtering regions based on the dynamic distribution range of the band-pass filtering regions to obtain corresponding gain processing regions, combining the gain processing regions and the band-pass reserved regions to obtain combined regions corresponding to the regions to be processed, and combining the combined regions with the search residual regions to obtain local gain images corresponding to the field captured images;
the environment analysis equipment is connected with the two-stage combination equipment and used for receiving the local gain image, determining whether each pixel point in the local gain image is a smoke pixel point or not based on a preset smoke gray upper threshold and a preset smoke gray lower threshold when the temperature trigger signal is received, calculating the total number of all smoke pixel points, and sending a smoke alarm signal when the proportion of the total number of all smoke pixel points occupying the total number of the local gain image pixel points exceeds the limit;
and the automatic fire extinguishing equipment is arranged near the stage lighting array and is used for executing automatic fire extinguishing operation when receiving the smoke alarm signal.
Next, a detailed description will be given of a specific structure of the stage lighting array fire prevention control system of the present invention.
In the stage lighting array fire prevention control system: in the temperature detection equipment, when the air temperature of the environment around the stage lighting array is less than or equal to the preset temperature threshold value, a normal temperature signal is sent.
In the stage lighting array fire prevention control system: in the two-stage combination device, the narrower the dynamic distribution range of the band-pass filtering region is, the greater the gain processing strength performed on the band-pass filtered image is.
In the stage lighting array fire prevention control system, further comprising: and the first display device is arranged on one side of the field capture device and is connected with the first processing device.
In the stage lighting array fire prevention control system: and the first display equipment is used for displaying the highlighted character warning information corresponding to the leftward deviation signal on site when receiving the leftward deviation signal.
In the stage lighting array fire prevention control system: in the first processing device, when the matching degree with the third gray average value is less than or equal to the matching degree with the fourth gray average value, a right-direction offset signal is sent out.
And in the stage lighting array fire prevention control system: and the first display equipment is also used for displaying highlighted character warning information corresponding to the right deviation signal on site when the right deviation signal is received.
In addition, a graphics processor is employed to implement the two-stage combination device. A Graphics processor (abbreviated as GPU), also called a display core, a visual processor, and a display chip, is a microprocessor specially used for image operation on a personal computer, a workstation, a game machine, and some mobile devices (such as a tablet computer and a smart phone).
The graphic processor is used for converting and driving display information required by a computer system, providing a line scanning signal for the display and controlling the correct display of the display, is an important element for connecting the display and a personal computer mainboard, and is also one of important equipment for man-machine conversation. The display card is an important component in the computer host, takes charge of outputting display graphics, and is very important for people engaged in professional graphic design.
The processor of the graphics card is called the Graphics Processor (GPU), which is the "heart" of the graphics card, similar to the CPU, except that the GPU is designed specifically to perform the complex mathematical and geometric calculations necessary for graphics rendering. Some of the fastest GPUs integrate even more transistors than normal CPUs.
By adopting the stage lighting array fire prevention control system, aiming at the technical problem that stage lighting equipment in the prior art cannot protect security, a high-precision smoke detection mechanism consisting of a plurality of related equipment is built around the stage lighting array, so that automatic fire extinguishing operation on site fire is realized; a two-stage segmentation mechanism is adopted to carry out targeted enhancement operation on a local area which needs to be enhanced most in an image to be processed, no enhancement operation is carried out on the rest area, and a two-stage combination mechanism is adopted to carry out image reconstruction, so that the speed of image processing is ensured; whether the on-site capturing device has the deviation condition is determined based on the comparison result of the image content captured by the on-site capturing device and the preset image content with different backgrounds, and the corresponding deviation condition is displayed on site to remind related personnel and departments, so that the technical problem is solved.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (7)
1. A stage lighting array fire protection control system, the system comprising:
the stage lighting array is arranged above the performance site and used for providing illumination light and background light for the performance of the performance site;
the temperature detection equipment is arranged near the stage lighting array and used for detecting whether the air temperature of the environment around the stage lighting array is greater than or equal to a preset temperature threshold value or not and sending a temperature trigger signal when the air temperature of the environment around the stage lighting array is greater than the preset temperature threshold value;
a field capture device to perform field image capture on the stage lighting array to obtain and output a field captured image;
the first extraction device is connected with the field capture device and used for receiving the field capture image, carrying out an average value operation on the gray values of all pixel points of the field capture image to obtain a first gray average value and outputting the first gray average value;
the second extraction device is used for carrying out the average value operation on the gray values of all the pixel points of the first reference image so as to obtain a second gray average value and outputting the second gray average value, carrying out an averaging operation on the gray values of all the pixel points of the second reference image to obtain a third gray average value and outputting the third gray average value, carrying out an averaging operation on the gray values of all the pixel points of the third reference image to obtain a fourth gray average value and outputting the fourth gray average value, wherein the first reference image is an image of a non-moving object photographed by the field capture device in advance in a set photographing direction, the second reference image is an image of a non-moving object photographed by the field capture device after being deviated to the left side in a set photographing direction in advance, the third reference image is an image without a moving target, which is shot by the field capture equipment after deviating from the right side according to a set shooting direction in advance;
the first processing device is respectively connected with the first extraction device and the second extraction device, and is used for receiving the first gray mean value, the second gray mean value, the third gray mean value and the fourth gray mean value, calculating a difference value between the first gray mean value and the second gray mean value, sending a direction change signal when the difference value exceeds a limit, respectively matching the first gray mean value with the third gray mean value and the fourth gray mean value, and sending a left-direction shift signal when the matching degree with the third gray mean value is greater than that with the fourth gray mean value;
the image searching device is connected with the field capturing device and used for receiving the field capturing image, searching the appearance of the target of the field capturing image to obtain the appearance of each target, taking the area where the appearance of the target with the largest size is located as the area to be processed and outputting the area to be processed;
the image segmentation equipment is connected with the image search equipment and used for receiving the field capture image and the area to be processed and taking the field capture image with the area to be processed removed as a search residual area;
the image segmentation equipment is connected with the image segmentation equipment and used for receiving the to-be-processed area, determining the energy size distributed in different frequency bands in the to-be-processed area, taking a plurality of frequency bands with energy less than or equal to a limited amount as a plurality of to-be-processed frequency bands, and performing band-pass filtering processing on the to-be-processed area based on the plurality of to-be-processed frequency bands to obtain a band-pass filtering area from the to-be-processed area and with the plurality of to-be-processed frequency bands, and further used for obtaining a band-pass reserved area from which the band-pass filtering area is removed from the to-be-processed area;
two-stage combination equipment, respectively connected to the image subdivision equipment and the image segmentation equipment, for performing gain processing on the band-pass filtering regions based on the dynamic distribution range of the band-pass filtering regions to obtain corresponding gain processing regions, combining the gain processing regions and the band-pass reserved regions to obtain combined regions corresponding to the regions to be processed, and combining the combined regions with the search residual regions to obtain local gain images corresponding to the field captured images;
the environment analysis equipment is connected with the two-stage combination equipment and used for receiving the local gain image, determining whether each pixel point in the local gain image is a smoke pixel point or not based on a preset smoke gray upper threshold and a preset smoke gray lower threshold when the temperature trigger signal is received, calculating the total number of all smoke pixel points, and sending a smoke alarm signal when the proportion of the total number of all smoke pixel points occupying the total number of the local gain image pixel points exceeds the limit;
and the automatic fire extinguishing equipment is arranged near the stage lighting array and is used for executing automatic fire extinguishing operation when receiving the smoke alarm signal.
2. The stage lighting array fire protection control system of claim 1, wherein:
in the temperature detection equipment, when the air temperature of the environment around the stage lighting array is less than or equal to the preset temperature threshold value, a normal temperature signal is sent.
3. The stage lighting array fire protection control system of claim 2, wherein:
in the two-stage combination device, the narrower the dynamic distribution range of the band-pass filtering region is, the greater the gain processing strength performed on the band-pass filtered image is.
4. The stage lighting array fire protection control system of claim 3, further comprising:
and the first display device is arranged on one side of the field capture device and is connected with the first processing device.
5. The stage lighting array fire protection control system of claim 4, wherein:
and the first display equipment is used for displaying the highlighted character warning information corresponding to the leftward deviation signal on site when receiving the leftward deviation signal.
6. The stage lighting array fire protection control system of claim 5, wherein:
in the first processing device, when the matching degree with the third gray average value is less than or equal to the matching degree with the fourth gray average value, a right-direction offset signal is sent out.
7. The stage lighting array fire protection control system of claim 6, wherein:
and the first display equipment is also used for displaying highlighted character warning information corresponding to the right deviation signal on site when the right deviation signal is received.
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| CN111695395B (en) * | 2019-04-22 | 2021-01-05 | 广西众焰安科技有限公司 | Method for identifying field illegal behavior |
| CN110985909A (en) * | 2019-11-07 | 2020-04-10 | 毛春根 | Foldable fire-fighting lamp |
| CN110966698A (en) * | 2019-11-07 | 2020-04-07 | 毛春根 | Multifunctional air conditioner |
| CN111023329A (en) * | 2019-11-07 | 2020-04-17 | 毛春根 | Central air conditioner |
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