TWI772852B - Surveillance system for social distance in specific regional area - Google Patents

Abstract

A surveillance system for social distance in specific regional area includes a camera device and a surveillance device. The camera device captures an original image information in a social area. The surveillance device includes a communication module and a processing module. The communication module receives the original image information and transmits it to the processing module. The processing module, through an image processing technique, analyzes the processes the original image information to generate a plurality of portrait character traits. The processing module calculates the social distance between each two characters, and generates a visualized marks corresponding to each character trait on the original image information. Thus, the actual social distance between people is efficiently acquired and visually presented.

Description

Area-specific social distancing monitoring system

The present invention relates to a warning related field, in particular to a social distance monitoring system in a specific area.

Social distancing is a non-pharmaceutical infection control measure that attempts to stop or slow the spread of an infectious disease. Mortality can be minimized.

Now that the COVID-19 (new coronavirus disease) epidemic has expanded into a global pandemic, in order to reduce the risk of community infection, the public is encouraged to maintain social distance while taking into account the reasonable rights and interests of the public and taking into account the safety of epidemic prevention.

Since social distancing cannot actually measure the distance between people, the effect of maintaining social distance can only be achieved through passive methods such as warning signs, sticking reminder signs on the ground, or personnel persuasion. There is no data-based basis for persuasion or punishment; therefore, the monitoring and enforcement of social distancing is quite difficult.

In order to solve the above problems, the present invention provides a social distance monitoring system in a specific area. Through image processing and analysis, the actual social distance between people can be quickly obtained and presented in a visual way, so that monitoring personnel can quickly grasp the visual results. Social distancing between individuals in the social area to provide monitoring convenience.

An embodiment of the present invention provides a social distance monitoring system in a specific area, which includes: a camera installed in a social area, the camera captures an original image information in the social area; and a monitoring The device is coupled to the photographing device, the monitoring device has a communication module and a processing module, the communication module receives the original image information and transmits it to the processing module, and the processing module analyzes the original image information through an image processing technology The processing generates a plurality of portrait features, the processing module calculates a social distance between each of the two portrait features, and generates a visual mark corresponding to each portrait feature in the original image information according to the social distance.

Through the above, the present invention can monitor the social area through the photographing device, and quickly obtain the actual social distance between people through image processing and analysis, and present it in a visual way; thereby, the present invention can improve the monitoring and enforcement of social distance The convenience of the system is to improve the problem that knowledge cannot be based on data, effectively monitor social distancing, and effectively persuade or impose penalties when violating.

In order to facilitate the description of the central idea of the present invention expressed in the column of the above-mentioned summary of the invention, specific embodiments are hereby expressed. Various objects in the embodiments are drawn according to proportions, sizes, deformations or displacements suitable for description, rather than the proportions of actual elements, which will be described first.

Please refer to FIG. 1 to FIG. 5 , the present invention provides a social distance monitoring system 100 in a specific area, which includes:

A photographing device 10 is erected in a social area, and the photographing device 10 captures an original image information O in the social area, wherein the social area can be indoor or outdoor; in the embodiment of the present invention, the photographing device 10 can The original image information O is captured and generated at intervals of a monitoring time. The monitoring time can be preset, set according to user requirements or manually controlled. The monitoring time can be in seconds, minutes or seconds, which is not limited in the present invention.

Furthermore, the number of the photographing devices 10 can be one or more, and the number of the photographing devices 10 can be set according to the size of the social area to be monitored, and the present invention is not limited to this.

A monitoring device 20 is coupled to the camera device 10 ; the monitoring device 20 has a communication module 21 , a processing module 22 and an operation interface 23 coupled to each other, and the communication module 21 is wired or wirelessly connected to the camera device 10 , the connection method of the two is not limited in the present invention; the communication module 21 receives the original image information O transmitted by the photographing device 10, and transmits the original image information O to the processing module 22, and the operation interface 23 can display the processing mode. The original image information O received by the group 22.

Furthermore, the processing module 22 frame-selects the original image information O through an image processing technology to generate each portrait feature F, and each portrait feature F has a marked outer frame M (as shown in FIG. 2 ). A reference center E is obtained from the marked outer frame M of the feature F, and the processing module 22 calculates a social distance D (as shown in FIG. 3 ) between each of the two image features F through image ranging between the reference centers E, wherein the image The ranging calculation method can transform the original image information O by perspective, obtain the conversion relationship through the digital image and the real three-dimensional space coordinate condition, and obtain the social distance D through the deep learning calculation method, and according to the social distance D in the original image information O A visual mark V is generated corresponding to each portrait feature F, and the visual mark V will be displayed on the operation interface 23 in conjunction with the mark outer frame M, wherein the operation interface 23 will display each visual mark V presented with the original image information O; the image The processing technology is neural network deep learning technology.

In the embodiment of the present invention, when calculating the social distance D between each two portrait features F, the processing module 22 will take the adjacent two portrait features F for calculation, if the distance is too far or there are other portraits between the two portrait features F. When the feature F is used, the processing module 22 will automatically omit the calculation of the social distance D between the two-person portrait features F that are too far apart. In the shape of a rectangle, the processing module 22 recognizes each portrait presented in the original image information O through image processing technology, obtains the outline of each portrait, and obtains the vertices of length and width according to the outline of each portrait, and uses the length and width as the vertices. The vertices of the box are selected to generate the marked outer box M.

The processing module 22 compares the social distance D with a warning distance, and generates different visual marks V according to the comparison results, and the visual marks V are divided into a safety mark, an appropriate mark and a danger mark; processing The module 22 determines that the social distance D is greater than the warning distance, and the processing module 22 generates a safety mark for the corresponding portrait feature F; the processing module 22 determines that the social distance D is equal to the warning distance, and the processing module 22 generates an appropriate mark for the corresponding portrait feature F The processing module 22 judges that the social distance D is less than the warning distance, and the processing module 22 generates a danger sign for the corresponding portrait feature F; wherein, the safety sign, the appropriate sign and the danger sign are respectively presented in different colors. In the embodiment of the present invention, Safety signs are shown in green, appropriate signs are shown in yellow, and danger signs are shown in red; when the social area is indoors, the warning distance is 1.5 meters; when the social area is outdoor, the warning distance is 1 meter.

Please refer to FIG. 1, FIG. 3 and FIG. 4, for example: the social distance D between the portrait feature A and the portrait feature B is smaller than the warning distance, and the processing module 22 generates a danger sign for the corresponding portrait feature F; The social distance D between the portrait features C is equal to the warning distance, and the processing module 22 generates an appropriate label for the corresponding portrait feature F; the social distance D between the portrait feature A and the portrait feature G is equal to the warning distance, and the processing module 22 The corresponding portrait Feature F produces a safety sign.

The processing module 22 receives the original image information O transmitted by the photographing device 10 via the communication module 21 every time the monitoring time arrives, and calculates the number of the portrait features F in the original image information O to generate a human flow value, and the processing module 22 Judging that the crowd flow value is greater than a warning value, a warning signal is generated, and the operation interface 23 can display the crowd flow value or the warning signal, wherein the monitoring personnel can set an appropriate warning value according to the social area and range, when the social area is indoor and the range is narrow , the warning value can be 50 people; when the social area is outdoors and the range is wide, the warning value can be 300 people, and the present invention is not limited to this.

The monitoring device 20 further has a memory module 24. The memory module 24 is used to record the flow of people values generated at each monitoring time. Process, to generate the change trend information I of people flow, in the embodiment of the present invention, the change trend information I of people flow will change with the monitoring time, and be presented in a line graph; and the change trend information I of people flow can be presented in the operation with the original image information O The interface 23 is shown in FIG. 5 .

For example: the original image information O obtained at 9:00 am on January 1, 2020 calculates the crowd flow value of 50 people, and the original image information O obtained at 10:00 am on January 1, 2020 calculates the crowd flow value of 40 people , the crowd flow value calculated by the original image information O obtained at 11:00 am on January 01, 2020 is 75 people, and the crowd flow value calculated by the original image information O obtained at 12:00 am on January 01, 2020 is 150 people, then The change trend information I of the flow of people will show the change of 50→40→75→150 in a line chart, as shown in Figure 5.

An application program 30 can be executed on a terminal device. The application program 30 is coupled to the monitoring device 20. In the embodiment of the present invention, the application program 30 is connected to the monitoring device 20 through the Internet. The application program 30 can receive and display the original image information O transmitted by the communication module 21 and the matching visual indication V, the flow of people value, the change trend information of the flow of people I or the warning signal.

Therefore, the social distance monitoring system 100 in a specific area of the present invention can monitor the social area through the photographing device 10, quickly obtain the actual social distance D between people through image processing and analysis, and present it in a visual way, which can effectively improve the social distance. Convenience of monitoring and enforcement.

Furthermore, the social distance monitoring system 100 in a specific area of the present invention can provide monitoring personnel to grasp the social distance and changes in the flow of people in the social area through the operation interface 23 of the monitoring device 20, and can also use the terminal device to download and execute the application program 30, In order to obtain the social distance D and the change of the flow of people in the application 30, the convenience of monitoring and law enforcement of the social distance D can be effectively improved.

In addition, ordinary celebrities can also execute the application program 30 on the terminal device, and ordinary celebrities can obtain the social distance and changes in the flow of people in the social area through the application program 30, which can provide ordinary celebrities to effectively maintain social distance.

The above-mentioned embodiments are only used to illustrate the present invention, but not to limit the scope of the present invention. All the modifications or changes that do not violate the spirit of the present invention belong to the intended protection category of the present invention.

100: Area-specific social distancing monitoring systems 10: Photographic installation 20: Monitoring device 21: Communication module 22: Processing modules 23: Operation interface 24: Memory Module 30: Apps O: original image information A: Portrait features B: Portrait Features C: Portrait Features G: Portrait Features M: mark the outer frame E: reference center D: social distancing V: visual sign I: Information on the changing trend of people flow F: Portrait Features

FIG. 1 is a schematic block diagram of the system architecture of the present invention. FIG. 2 is a schematic diagram (1) of an embodiment of the present invention, which shows that a plurality of portrait features are generated in the original image information. FIG. 3 is a schematic diagram (2) of an embodiment of the present invention, which shows that the reference center is obtained from each portrait feature to calculate the social distance. FIG. 4 is a schematic diagram (3) of an embodiment of the present invention, which shows that a visual mark is generated according to the original image information corresponding to each portrait feature according to the social distance. FIG. 5 is a schematic diagram (4) of an embodiment of the present invention, which shows that the change trend information of the flow of people can be presented in conjunction with the original image information.

100: Area-specific social distancing monitoring systems

10: Photographic installation

20: Monitoring device

21: Communication module

22: Processing modules

23: Operation interface

24: Memory Module

30: Apps

Claims (8)

A social distance monitoring system in a specific area, comprising: a photographing device, which is erected in a social area, the photographing device captures an original image information in the social area; and a monitoring device, which is coupled with the photographing device Then, the monitoring device has a communication module, a processing module and a memory module, the communication module receives the original image information and transmits it to the processing module, and the processing module uses an image processing technology to obtain the original image information. The image information analysis and processing generates a plurality of portrait features, the processing module calculates a social distance between each two portrait features, and generates a visual mark corresponding to each of the portrait features in the original image information according to the social distance; wherein, the processing The module calculates the number of the portrait features in the original image information every time a monitoring time arrives to generate a flow of people value, and the processing module determines that the flow of people value is greater than a warning value to generate a warning signal; the memory module uses To record the crowd flow value generated at each monitoring time; the processing module processes the newly generated crowd flow value and the crowd flow value recorded in the memory module to generate change trend information of the crowd flow. The social distance monitoring system in a specific area as claimed in claim 1, wherein the processing module uses the image processing technology to frame the original image information to generate each of the portrait features, and each of the portrait features has a marked outer frame, and the The processing module obtains a reference center for the marked outer frame of each of the portrait features, and the processing module calculates the distance between the reference centers of the adjacent two portrait features through image distance measurement to generate the social distance. The social distance monitoring system in a specific area according to claim 2, wherein the visual sign is presented in conjunction with the outside frame of the sign. The social distance monitoring system in a specific area according to claim 1 or 3, wherein the visual sign is divided into a safety sign and a danger sign; the processing module determines that the social distance is large At a warning distance, the processing module generates the safety mark corresponding to the portrait feature; the processing module determines that the social distance is less than the warning distance, and the processing module generates the danger mark corresponding to the portrait feature . The social distance monitoring system in a specific area according to claim 4, wherein the safety sign and the danger sign are presented in different colors respectively. The social distancing monitoring system in a specific area as described in claim 1, further has an application program which can be executed on a terminal device, the application program is coupled with the monitoring device, and the application program receives and displays the transmission of the communication module The original image information and the matching visual indication, the flow of people value or the warning signal. The social distance monitoring system in a specific area according to claim 1, wherein the monitoring device has an operation interface, and the operation interface displays the raw image information received by the processing module and the visualization of the raw image information sign, the traffic flow value or the warning signal. The social distance monitoring system in a specific area according to claim 1, wherein the image processing technology is a neural network deep learning technology.

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