CN-122024391-A - Pyrotechnic identification system based on edge calculation

CN122024391ACN 122024391 ACN122024391 ACN 122024391ACN-122024391-A

Abstract

The invention relates to the technical field of smoke and fire detection, in particular to a smoke and fire identification system based on edge calculation, which comprises an acquisition unit for shooting images of a corresponding monitoring area in real time, an edge device for receiving uploaded video streams, carrying out noise reduction processing on the images, calculating a flame characteristic ratio and a smoke characteristic ratio, an analysis unit for judging whether flame exists based on the flame characteristic ratio, judging whether smoke exists based on the smoke characteristic ratio and judging whether smoke exists based on continuous frame numbers, and a control unit for adjusting the flame characteristic detection sensitivity, the smoke characteristic detection sensitivity, the acquisition frequency and sending corresponding notification. The invention effectively realizes real-time identification and intelligent adjustment of the smoke and fire identification process, and effectively improves the smoke and fire identification efficiency.

Inventors

LIU BINGHUI
LIU ZELONG
ZHU JIANG
REN XINBO

Assignees

峥峰数防科技(山西)股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260212

Claims (10)

1. A pyrotechnic identification system based on edge computing, comprising: the acquisition unit is used for shooting the corresponding monitoring area image in real time and uploading a video stream containing a plurality of frames of images; The edge equipment is connected with the acquisition unit and used for receiving the uploaded video stream and carrying out noise reduction treatment on the image so as to remove noise; the edge equipment is also used for calculating the ratio of the number of flame analysis items appearing in the single-frame image to the total number of flame analysis items to determine the flame characteristic ratio, and calculating the ratio of the number of smoke analysis items appearing in the single-frame image to the total number of smoke analysis items to determine the smoke characteristic ratio; the device comprises an edge device, an analysis unit, a processing unit and a control unit, wherein the edge device is used for judging whether a flame exists or not according to the flame characteristic ratio; the analysis unit is also used for judging whether smoke exists or not based on the continuous frame number according to the smoke characteristic duty ratio judging result, or generating a corresponding processing instruction; the control unit is respectively connected with the acquisition unit, the edge equipment and the analysis unit and is used for adjusting flame characteristic detection sensitivity based on the effective flame characteristic condensation degree, adjusting smoke characteristic detection sensitivity based on a smoke characteristic duty ratio difference value and adjusting acquisition frequency based on a smoke characteristic continuous matching degree; The control unit is also used for sending out a primary smoke and fire alarm and uploading the primary smoke and fire alarm to the cloud, sending out a secondary smoke and fire alarm and uploading the secondary smoke and fire alarm to the cloud, and sending out a tertiary smoke and fire alarm and uploading the tertiary smoke and fire alarm to the cloud.
2. The edge-calculation-based pyrotechnic identification system according to claim 1, wherein the analysis unit is configured to determine whether a flame is present based on the flame characteristic duty cycle, and to determine whether smoke is present based on the smoke characteristic duty cycle according to a determination result, to adjust the flame characteristic detection sensitivity based on the flame characteristic effective condensation degree, or to complete a periodic determination of whether a flame is present.
3. The edge-calculation-based smoke recognition system according to claim 2, wherein the analysis unit is further configured to determine whether smoke is present based on the smoke feature duty ratio, and to determine whether smoke is present based on the number of consecutive frames according to the determination result, or to adjust the smoke feature detection sensitivity based on the smoke feature duty ratio difference.
4. The edge-calculation-based pyrotechnic identification system of claim 3, wherein the analysis unit is further configured to determine whether a pyrotechnic is present based on the number of consecutive frames, and send a primary pyrotechnic alert based on the determination and upload the alert to the cloud, or adjust the acquisition frequency based on the continuous match of pyrotechnic features.
5. The edge-calculation based pyrotechnic identification system of claim 4, wherein the control unit is configured to increase the flame signature detection sensitivity based on the effective flame signature condensation degree, and wherein the magnitude of the increase in flame signature detection sensitivity is inversely proportional to the effective flame signature condensation degree.
6. The edge-calculation-based pyrotechnic recognition system according to claim 5, wherein the analysis unit is further configured to determine whether a flame is present based on the flame characteristic ratio after the feature detection sensitivity is increased, and determine whether smoke is present based on the smoke characteristic ratio according to a determination result, or complete a periodicity determination of whether a flame is present.
7. The edge-based computing smoke identification system of claim 6, wherein the control unit is further configured to increase the smoke signature detection sensitivity based on the smoke signature duty cycle difference and the magnitude of the increase in smoke signature detection sensitivity is proportional to the smoke signature duty cycle difference.
8. The edge-calculation-based smoke and fire identification system according to claim 7, wherein the analysis unit is further configured to determine whether smoke is present based on the smoke feature ratio after the smoke feature detection sensitivity is increased, and determine whether smoke is present based on the continuous frame number according to the determination result, or send out a secondary smoke and fire warning and upload to the cloud.
9. The edge-calculation based pyrotechnic identification system of claim 8, wherein the control unit is further configured to increase the acquisition frequency based on the pyrotechnic feature continuity match, and wherein the magnitude of the increase in acquisition frequency is proportional to the pyrotechnic feature continuity match.
10. The edge-calculation-based smoke and fire recognition system according to claim 9, wherein the analysis unit is further configured to determine whether smoke and fire are present based on the continuous frame number after the acquisition frequency is increased, and send a primary smoke and fire alarm according to the determination result and upload the primary smoke and fire alarm to the cloud, or send a tertiary smoke and fire alarm and upload the tertiary smoke and fire alarm to the cloud.

Description

Pyrotechnic identification system based on edge calculation Technical Field The invention relates to the technical field of smoke and fire detection, in particular to a smoke and fire identification system based on edge calculation. Background Traditional firework discernment is that the camera passes through the network to the real-time video stream and uploads to the high in the clouds server, and the AI algorithm analysis video is used to the high in the clouds server, judges whether there is the firework, and after the high in the clouds analysis was accomplished, with the firework judgement result back front-end equipment warning, traditional firework discernment exists delay height, bandwidth pressure is big, privacy risk and relies on the network problem, and the conflagration spreads extremely fast, and a large amount of cameras transmit simultaneously the video and lead to extremely high to flow and bandwidth requirement, and video data leaves locally and easily has revealing or by abuse risk, and the disconnected net can lead to thoroughly failing and can't report to the police. The smoke and fire recognition system based on edge calculation directly analyzes at local edge equipment after a camera collects video, and the edge equipment is provided with an AI (analog to digital) recognition AI model, so that pictures can be analyzed and judged in real time, sound and light alarm can be triggered locally immediately after smoke and fire are recognized, and meanwhile an alarm signal and a key screenshot are uploaded to the cloud. With the development of the age, the method has important significance for researching the smoke and fire identification based on edge calculation. CN117095346A discloses a processing method, a device and equipment for identifying smoke and fire of edge AI equipment, which comprises the steps of carrying out preliminary detection on a picture subjected to frame extraction pretreatment of a real-time video stream through a smoke and fire detection model to identify smoke and fire, completing secondary detection on the picture subjected to frame extraction pretreatment of the real-time video stream according to a preset time interval to determine continuous existence of the smoke and fire, respectively intercepting the preliminary detection and the target area of the smoke and fire in the secondary detection according to the coordinates of the target area of the smoke and fire obtained in the secondary detection, carrying out similarity comparison, screening false alarm caused by a static object, carrying out human body detection on the picture detected in the secondary detection, comparing the overlapping degree of the target area of a suspected human body and the target area of the smoke and fire to eliminate confusion caused by human bodies, and finally determining true smoke and fire. Therefore, the accuracy of identifying the smoke and fire is improved, the false detection rate is reduced, and the method has good expansibility and practicability on the premise of guaranteeing that the true smoke and fire are identified. However, the above scheme cannot identify and intelligently adjust the smoke and fire identification process in real time, so that the smoke and fire identification efficiency cannot be ensured. Disclosure of Invention Therefore, the invention provides a firework identification system based on edge calculation, which is used for solving the problem that the firework identification efficiency is low due to the fact that the firework identification process cannot be identified in real time and intelligently adjusted in the prior art. To achieve the above object, the present invention provides a pyrotechnic recognition system based on edge calculation, including: the acquisition unit is used for shooting the corresponding monitoring area image in real time and uploading a video stream containing a plurality of frames of images; The edge equipment is connected with the acquisition unit and used for receiving the uploaded video stream and carrying out noise reduction treatment on the image so as to remove noise; the edge equipment is also used for calculating the ratio of the number of flame analysis items appearing in the single-frame image to the total number of flame analysis items to determine the flame characteristic ratio, and calculating the ratio of the number of smoke analysis items appearing in the single-frame image to the total number of smoke analysis items to determine the smoke characteristic ratio; the device comprises an edge device, an analysis unit, a processing unit and a control unit, wherein the edge device is used for judging whether a flame exists or not according to the flame characteristic ratio; the analysis unit is also used for judging whether smoke exists or not based on the continuous frame number according to the smoke characteristic duty ratio judging result, or generating a corresponding processing instruction; the control unit