CN111445663B - On-site safety alarm system - Google Patents
On-site safety alarm system Download PDFInfo
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- CN111445663B CN111445663B CN201910038621.1A CN201910038621A CN111445663B CN 111445663 B CN111445663 B CN 111445663B CN 201910038621 A CN201910038621 A CN 201910038621A CN 111445663 B CN111445663 B CN 111445663B
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
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- G06T5/70—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/136—Segmentation; Edge detection involving thresholding
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
Abstract
The invention relates to a field safety alarm system. The on-site safety alarm system is safe and reliable, and has an intuitive warning effect. As the nearest firework area in the image to the residential building area is used as the target area, when the number of the pixel points from the centroid of the residential building area to the centroid of the target area is less than or equal to the preset number threshold, a firework over-proximity signal is sent out and the on-site reminding operation is carried out, so that the order of firework point release sites is effectively maintained.
Description
Technical Field
The invention relates to the field of building fire prevention, in particular to a field safety alarm system.
Background
The foundation is an integral part of the building and is a load bearing member below the ground of the building which supports the entire load of the building above it and which self-transfers the load and the foundation to the underlying foundation. The foundation must be strong, stable and reliable.
The foundation is not a component of a building, but is a soil or rock mass that bears the loads transmitted by the foundation, and the building must be constructed on a solid and reliable foundation. In order to ensure the firmness and stability of the foundation and prevent the occurrence of accelerated settlement or uneven settlement, the foundation should meet the following requirements: the bearing capacity is enough, and the compression amount is uniform, so that uniform sinking is ensured; has the capability of preventing landslide and inclination
Disclosure of Invention
The invention aims to provide a field safety alarm system, which comprises: the distance recognition device is connected with the cubic interpolation device and used for receiving the cubic interpolation image, analyzing a residential building area from the cubic interpolation image based on the residential building imaging characteristic, analyzing one or more firework areas from the cubic interpolation image based on the firework imaging characteristic, taking the firework area closest to the residential building area as a target area, and sending a firework over-close signal when the number of pixel points from the centroid of the residential building area to the centroid of the target area is less than or equal to a preset number threshold; the large screen display device is connected with the distance identification device and is used for playing the text reminding information corresponding to the firework over-close signal; the gun type camera equipment is used for carrying out camera shooting operation on the residential building so as to obtain multi-frame real-time building images; the GAMMA processing device is connected with the gun type camera device and used for receiving a plurality of frames of real-time building images, matching the current real-time building image with the previous frame of real-time building image to obtain an image overall jitter value, determining the number of image areas for averagely dividing the current real-time building image based on the image overall jitter value, wherein the higher the image overall jitter value is, the more the number of the image areas for averagely dividing the current real-time building image is, performing GAMMA correction processing based on image area contrast on each image area to obtain each processing area, the smaller the image area contrast is, the stronger the GAMMA correction processing strength performed on the image areas is, and combining the processing areas to obtain a processed combined image; the salt and pepper recognition device is connected with the GAMMA processing device and used for receiving the processed combined image, obtaining each gray value of each pixel point in the processed combined image, and determining each salt and pepper noise in the processed combined image based on each gray value of each pixel point in the processed combined image; the position analysis device is connected with the salt and pepper recognition device and used for uniformly partitioning the processed combined image based on the sharpening degree of the processed combined image so as to obtain image partitions with the same size, and determining the number of salt and pepper noises in each image partition based on the position of each salt and pepper noise in the processed combined image in each processed combined image; and the shape mapping device is connected with the position analysis device and used for receiving the quantity of salt and pepper noises in each image partition in the processed combined image and mapping the radial length of the corresponding filtering template based on the quantity of the salt and pepper noises in each image partition, wherein the greater the quantity of the salt and pepper noises in each image partition, the longer the radial length of the corresponding filtering template is mapped.
The present invention has at least the following important points:
(1) taking a firework area closest to a residential building area in the image as a target area, and when the number of pixel points from the centroid of the residential building area to the centroid of the target area is less than or equal to a preset number threshold, sending a firework over-proximity signal and carrying out field reminding operation;
(2) on the basis of executing recursive filtering processing based on noise amplitude on an image to be processed, determining whether to start cubic interpolation processing meeting the requirements of image data after the recursive filtering processing according to the definition judgment result of the image after the recursive filtering processing;
(3) the method comprises the steps of conducting uniform partitioning on an image to be filtered based on the sharpening degree of the image to be filtered to obtain image partitions with the same size, determining the number of salt and pepper noises in each image partition based on the positions of the salt and pepper noises in the image to be filtered, and conducting different filtering processing on different image partitions based on the number of the salt and pepper noises in each image partition to achieve high-precision filtering of the salt and pepper noises.
The on-site safety alarm system is safe and reliable, and has an intuitive warning effect. As the nearest firework area in the image to the residential building area is used as the target area, when the number of the pixel points from the centroid of the residential building area to the centroid of the target area is less than or equal to the preset number threshold, a firework over-proximity signal is sent out and the on-site reminding operation is carried out, so that the order of firework point release sites is effectively maintained.
Detailed Description
Fireworks and firecrackers have similar structures, and the structures of the fireworks and the firecrackers contain black powder and powder. In order to achieve a good performance, fireworks and display shells are filled with a large amount of powder for firing and explosion, for example, a display shell with a diameter of 20 cm is fired and then rises to a height of about 200 m to be exploded, and the star points cover a radius of about 80 m.
The transportation and the setting off of fireworks need to adopt customized security measures. The temporary storage and keeping points of the fireworks and the crackers required for setting off are allowed to be utilized in the fireworks setting-off site by using houses, work sheds, vehicles and the like which are firm in structure, have no fire source and are unoccupied. On the fireworks setting-off site, the storage and the custody of the fireworks and crackers required for setting off should comply with the following regulations: setting a special person for watching; it is strictly forbidden to keep articles unrelated to fireworks and crackers at the same time.
At present, a residential building lacks a targeted firework fire prevention scheme, the only limited processing mode is to write a fire prevention label on the building body of the residential building, set the shortest distance for putting fireworks, and arrange workers to carry out order maintenance on the site for putting the fireworks, however, the effect of putting the fireworks is flexible and changeable, and the firework fire prevention processing mode cannot meet the site fire prevention requirement and the site warning requirement.
In order to overcome the defects, the invention provides a field safety alarm system which can effectively solve the corresponding technical problems.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The on-site safety alarm system of the invention comprises:
the distance recognition device is connected with the cubic interpolation device and used for receiving the cubic interpolation image, analyzing a residential building area from the cubic interpolation image based on the residential building imaging characteristic, analyzing one or more firework areas from the cubic interpolation image based on the firework imaging characteristic, taking the firework area closest to the residential building area as a target area, and sending a firework over-close signal when the number of pixel points from the centroid of the residential building area to the centroid of the target area is less than or equal to a preset number threshold;
the large screen display device is connected with the distance identification device and is used for playing the text reminding information corresponding to the firework over-close signal;
the gun type camera equipment is used for carrying out camera shooting operation on the residential building so as to obtain multi-frame real-time building images;
the GAMMA processing device is connected with the gun type camera device and used for receiving a plurality of frames of real-time building images, matching the current real-time building image with the previous frame of real-time building image to obtain an image overall jitter value, determining the number of image areas for averagely dividing the current real-time building image based on the image overall jitter value, wherein the higher the image overall jitter value is, the more the number of the image areas for averagely dividing the current real-time building image is, performing GAMMA correction processing based on image area contrast on each image area to obtain each processing area, the smaller the image area contrast is, the stronger the GAMMA correction processing strength performed on the image areas is, and combining the processing areas to obtain a processed combined image;
the salt and pepper recognition device is connected with the GAMMA processing device and used for receiving the processed combined image, obtaining each gray value of each pixel point in the processed combined image, and determining each salt and pepper noise in the processed combined image based on each gray value of each pixel point in the processed combined image;
the position analysis device is connected with the salt and pepper recognition device and used for uniformly partitioning the processed combined image based on the sharpening degree of the processed combined image so as to obtain image partitions with the same size, and determining the number of salt and pepper noises in each image partition based on the position of each salt and pepper noise in the processed combined image in each processed combined image;
the appearance mapping device is connected with the position analysis device and used for receiving the quantity of salt and pepper noises in each image partition in the processed combined image and mapping the radial length of the corresponding filtering template based on the quantity of the salt and pepper noises in each image partition, wherein the greater the quantity of the salt and pepper noises in each image partition, the longer the radial length of the corresponding filtering template is mapped;
the partition filtering device is respectively connected with the salt and pepper recognition device and the appearance mapping device, and is used for receiving the radial length of the filtering template corresponding to each image partition and executing the following filtering actions aiming at each image partition: determining a corresponding filtering template based on the radial length of the filtering template corresponding to the image partition, and performing filtering operation on each gray value of each pixel point in the image partition by adopting the corresponding filtering template to obtain each filtering gray value of each pixel point in the image partition;
the data combination equipment is connected with the partition filtering equipment and used for receiving each filtering gray value of each pixel point in each image partition and combining the filtering gray values of the pixel points in each image partition into a filtering image corresponding to the processed combined image;
a recursive filtering device connected to the data combining device, for receiving the filtered image, performing a recursive filtering process based on a noise amplitude on the filtered image to obtain a corresponding live filtered image, and outputting the live filtered image, wherein the performing the recursive filtering process based on the noise amplitude on the filtered image includes: the larger the noise amplitude of the filtered image is, the more times the recursive filtering processing is performed on the filtered image is;
a sharpness extraction device, connected to the recursive filtering device, configured to receive the live filtered image, perform a sharpness extraction operation on the live filtered image to obtain a corresponding live sharpness, and output the live sharpness, where performing the sharpness extraction operation on the live filtered image to obtain the corresponding live sharpness includes: performing definition extraction operation on the field filtering image based on each pixel value of each pixel point of the field filtering image to obtain corresponding field definition;
the data judgment device is connected with the definition extraction device and used for receiving the field definition, sending a processing stopping command when the field definition exceeds a preset definition threshold value and sending a continuous processing command when the field definition does not exceed the preset definition threshold value;
the third interpolation device is respectively connected with the data judgment device and the definition extraction device, and is used for executing image interpolation operation on the field filtering image by adopting a third interpolation method to obtain a third interpolation image and outputting the third interpolation image when receiving the continuous processing command, and is also used for directly taking the field filtering image as the third interpolation image and outputting the third interpolation image when receiving the stop processing command;
the distance identification equipment is further used for sending out a firework far-away signal when the number of pixel points from the centroid of the residential building area to the centroid of the target area is larger than a preset number threshold.
Next, the detailed structure of the field safety alarm system of the present invention will be further described.
In the field safety alarm system:
the recursive filtering device, the sharpness extracting device, the data judging device, and the cubic interpolation device share the same power supply device.
In the field safety alarm system:
the recursive filtering device, the sharpness extracting device, the data judging device, and the cubic interpolation device share the same clock generator.
In the field safety alarm system, the system further includes:
and the PSTN communication interface is connected with the cubic interpolation equipment and used for receiving the cubic interpolation image and sending the cubic interpolation image through a PSTN communication link.
In the field safety alarm system:
the recursive filtering device, the sharpness extracting device, the data judging device, and the cubic interpolation device share the same power supply input device.
In the field safety alarm system:
in the partition filtering device, performing filtering operation on each gray value of each pixel point in the image partition by using the corresponding filtering template includes: and aiming at each pixel point, adopting a filtering template taking the pixel point as the center to serve each pixel point in the processed combined image as each effective pixel point, and determining the filtering gray value of the pixel point subjected to filtering operation based on each gray value of each effective pixel point.
In the field safety alarm system:
determining the filtering gray value of the pixel point subjected to the filtering operation based on each gray value of each effective pixel point comprises the following steps: and sequencing the gray values of the effective pixel points in a size sequence, and taking the gray value of the central serial number as the filtering gray value of the pixel point subjected to filtering operation.
In the field safety alarm system:
the recursive filtering device, the sharpness extracting device, the data judging device, and the cubic interpolating device are integrated on the same printed circuit board.
In the field safety alarm system:
the recursive filtering device, the sharpness extracting device, the data judging device and the cubic interpolation device are respectively realized by adopting different ASIC chips.
In the field safety alarm system:
the partition filtering apparatus includes a pixel value receiving unit and a pixel value processing unit, the pixel value receiving unit being connected to the pixel value processing unit.
In addition, the PSTN is simple and flexible in network access, and generally has the following modes:
(1) and accessing the network through a common dial-up telephone line. The Modem is connected to the original telephone line of both communication parties in parallel, and then the Modem is connected to the corresponding internet access device. In 2013, most internet access equipment such as a PC or a router is provided with a plurality of serial ports, and serial interface specifications such as RS-232 and the like are adopted between the serial ports and the Modem. The cost of the connection mode is relatively economic, the charging price is the same as that of the ordinary telephone, and the method is suitable for occasions with infrequent communication.
(2) The network is accessed through a special telephone line. Compared with the conventional dial-up telephone line method, the leased telephone line can provide higher communication rate and data transmission quality, but the corresponding cost is higher than that of the former method. The access mode using the private line is not greatly different from the access mode using the ordinary dial line, but the dial-up connection process is omitted. Generally, when deciding to use the private line mode, the user must apply to the local telecommunication office, which is responsible for the erection and opening.
(3) The access mode of public data exchange network (X.25 or Frame-Relay, etc.) is switched from PSTN to access via ordinary dialing or special telephone line leasing. The use of this approach to achieve a connection to a remote location is a better remote approach because the public switched data network provides users with reliable connection-oriented virtual circuit services that are much more reliable and faster than the PSTN.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A field safety alarm system, the field safety alarm system comprising:
the distance recognition device is connected with the cubic interpolation device and used for receiving the cubic interpolation image, analyzing a residential building area from the cubic interpolation image based on the residential building imaging characteristic, analyzing one or more firework areas from the cubic interpolation image based on the firework imaging characteristic, taking the firework area closest to the residential building area as a target area, and sending a firework over-close signal when the number of pixel points from the centroid of the residential building area to the centroid of the target area is less than or equal to a preset number threshold;
the large screen display device is connected with the distance identification device and is used for playing the text reminding information corresponding to the firework over-close signal;
the gun type camera equipment is used for carrying out camera shooting operation on the residential building so as to obtain multi-frame real-time building images;
the GAMMA processing device is connected with the gun type camera device and used for receiving a plurality of frames of real-time building images, matching the current real-time building image with the previous frame of real-time building image to obtain an image overall jitter value, determining the number of image areas for averagely dividing the current real-time building image based on the image overall jitter value, wherein the higher the image overall jitter value is, the more the number of the image areas for averagely dividing the current real-time building image is, performing GAMMA correction processing based on image area contrast on each image area to obtain each processing area, the smaller the image area contrast is, the stronger the GAMMA correction processing strength performed on the image areas is, and combining the processing areas to obtain a processed combined image;
the salt and pepper recognition device is connected with the GAMMA processing device and used for receiving the processed combined image, obtaining each gray value of each pixel point in the processed combined image, and determining each salt and pepper noise in the processed combined image based on each gray value of each pixel point in the processed combined image;
the position analysis device is connected with the salt and pepper recognition device and used for uniformly partitioning the processed combined image based on the sharpening degree of the processed combined image so as to obtain image partitions with the same size, and determining the number of salt and pepper noises in each image partition based on the position of each salt and pepper noise in the processed combined image in each processed combined image;
the appearance mapping device is connected with the position analysis device and used for receiving the quantity of salt and pepper noises in each image partition in the processed combined image and mapping the radial length of the corresponding filtering template based on the quantity of the salt and pepper noises in each image partition, wherein the greater the quantity of the salt and pepper noises in each image partition, the longer the radial length of the corresponding filtering template is mapped;
the partition filtering device is respectively connected with the salt and pepper recognition device and the appearance mapping device, and is used for receiving the radial length of the filtering template corresponding to each image partition and executing the following filtering actions aiming at each image partition: determining a corresponding filtering template based on the radial length of the filtering template corresponding to the image partition, and performing filtering operation on each gray value of each pixel point in the image partition by adopting the corresponding filtering template to obtain each filtering gray value of each pixel point in the image partition;
the data combination equipment is connected with the partition filtering equipment and used for receiving each filtering gray value of each pixel point in each image partition and combining the filtering gray values of the pixel points in each image partition into a filtering image corresponding to the processed combined image;
a recursive filtering device connected to the data combining device, for receiving the filtered image, performing a recursive filtering process based on a noise amplitude on the filtered image to obtain a corresponding live filtered image, and outputting the live filtered image, wherein the performing the recursive filtering process based on the noise amplitude on the filtered image includes: the larger the noise amplitude of the filtered image is, the more times the recursive filtering processing is performed on the filtered image is;
a sharpness extraction device, connected to the recursive filtering device, configured to receive the live filtered image, perform a sharpness extraction operation on the live filtered image to obtain a corresponding live sharpness, and output the live sharpness, where performing the sharpness extraction operation on the live filtered image to obtain the corresponding live sharpness includes: performing definition extraction operation on the field filtering image based on each pixel value of each pixel point of the field filtering image to obtain corresponding field definition;
the data judgment device is connected with the definition extraction device and used for receiving the field definition, sending a processing stopping command when the field definition exceeds a preset definition threshold value and sending a continuous processing command when the field definition does not exceed the preset definition threshold value;
the third interpolation device is respectively connected with the data judgment device and the definition extraction device, and is used for executing image interpolation operation on the field filtering image by adopting a third interpolation method to obtain a third interpolation image and outputting the third interpolation image when receiving the continuous processing command, and is also used for directly taking the field filtering image as the third interpolation image and outputting the third interpolation image when receiving the stop processing command;
the distance identification equipment is further used for sending out a firework far-away signal when the number of pixel points from the centroid of the residential building area to the centroid of the target area is larger than a preset number threshold;
the recursive filtering device, the definition extracting device, the data judging device and the cubic interpolation device share the same power supply device;
the recursive filtering device, the definition extracting device, the data judging device and the cubic interpolation device share the same clock generator;
the recursive filtering device, the definition extracting device, the data judging device and the cubic interpolation device share the same power supply input device;
in the partition filtering device, performing filtering operation on each gray value of each pixel point in the image partition by using the corresponding filtering template includes: aiming at each pixel point, adopting a filtering template taking the pixel point as a center to serve each pixel point in the processed combined image as each effective pixel point, and determining the filtering gray value of the pixel point subjected to filtering operation based on each gray value of each effective pixel point;
determining the filtering gray value of the pixel point subjected to the filtering operation based on each gray value of each effective pixel point comprises the following steps: sequencing the gray values of the effective pixel points in a size sequence, and taking the gray value of the central serial number as the filtering gray value of the pixel point subjected to filtering operation;
the recursive filtering device, the sharpness extracting device, the data judging device, and the cubic interpolation device are integrated on the same printed circuit board;
the recursive filtering device, the sharpness extracting device, the data judging device and the cubic interpolation device are respectively realized by adopting different ASIC chips.
2. The system of claim 1, wherein the system further comprises:
and the PSTN communication interface is connected with the cubic interpolation equipment and used for receiving the cubic interpolation image and sending the cubic interpolation image through a PSTN communication link.
3. The system of claim 2, wherein:
the partition filtering apparatus includes a pixel value receiving unit and a pixel value processing unit, the pixel value receiving unit being connected to the pixel value processing unit.
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