CN115223242A - Intelligent park management method based on Internet of things platform - Google Patents

Intelligent park management method based on Internet of things platform Download PDF

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CN115223242A
CN115223242A CN202210804540.XA CN202210804540A CN115223242A CN 115223242 A CN115223242 A CN 115223242A CN 202210804540 A CN202210804540 A CN 202210804540A CN 115223242 A CN115223242 A CN 115223242A
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personnel
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indoor place
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兰雨晴
余丹
王尧甘
刘玮
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China Standard Intelligent Security Technology Co Ltd
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Abstract

The invention provides an intelligent park management method based on an Internet of things platform, which is characterized in that a distributed infrared sensing system and a plurality of multi-angle cameras are arranged in indoor places of a park, and infrared detection data and shot image data are acquired; analyzing the infrared detection data, judging whether the personnel enter a monitoring range, and marking the corresponding personnel in the shot image data; then, analyzing the shot image data, and judging whether safety-related events occur to the marker; finally, RFID identification or ORC character identification is carried out on the certificate where the marking personnel is located to obtain the identity information of the marking personnel, so that an alarm action is triggered in an indoor place through the Internet of things platform; according to the method, the infrared sensor and the multi-angle camera are arranged in the indoor place to carry out multi-layer detection, so that the running state of the indoor place is comprehensively and orderly managed, and the efficiency and reliability of managing the indoor place in the garden are improved.

Description

Intelligent park management method based on Internet of things platform
Technical Field
The invention relates to the technical field of intelligent campus management and control, in particular to an intelligent campus management method based on an Internet of things platform.
Background
A plurality of indoor places are usually distributed in an office park, and related personnel work in different indoor places. In order to ensure the normal operation of the indoor places, a plurality of cameras are usually installed in the indoor places, the cameras installed at different positions can comprehensively shoot the indoor places, and then background managers check images shot by the cameras in real time to determine whether the indoor places are abnormal or not. Although the above-mentioned mode can carry out real time monitoring to the indoor place in garden, but there will inevitably have certain time lag nature and control omission nature through the artifical mode of looking over. In addition, a single camera shooting monitoring mode is adopted, comprehensive and reliable monitoring is guaranteed to be carried out in indoor places, and the efficiency and reliability of managing the indoor places in the garden are reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an intelligent park management method based on an Internet of things platform, wherein a distributed infrared sensing system and a plurality of multi-angle cameras are arranged in indoor places of a park, and infrared detection data and shot image data are acquired; analyzing the infrared detection data, judging whether the personnel enter a monitoring range, and marking the corresponding personnel in the shot image data; then, analyzing the shot image data, and judging whether safety-related events occur to the marked personnel; finally, RFID identification or ORC character identification is carried out on the certificate where the marker is located, so that identity information of the marker is obtained, and therefore an alarm action is triggered in an indoor place through the Internet of things platform; the method comprises the steps that an infrared sensor and a multi-angle camera are arranged in an indoor place to carry out multi-level detection, the activity state of personnel in the indoor place is determined, and the running state of the indoor place is comprehensively and orderly managed; and moreover, the personnel are authenticated through RFID identification or ORC character identification, so that the safety of indoor places is ensured, and the efficiency and reliability of managing indoor places in the garden are improved.
The invention provides an intelligent park management method based on an Internet of things platform, which comprises the following steps:
the method comprises the following steps that S1, a distributed infrared sensor system and a plurality of multi-angle cameras are arranged in the same indoor place of a park, and the distributed infrared sensor system and all the multi-angle cameras are connected to an Internet of things platform; indicating the distributed infrared sensing system and the multi-angle camera to respectively detect the indoor places to obtain infrared detection data and shot image data;
s2, analyzing and processing the infrared retrieval data, and determining the relative position relation between the personnel in the indoor place and the target object; judging whether the personnel enter a monitoring range or not according to the relative position relation; marking corresponding personnel in the shot image data according to the judgment result;
s3, analyzing and processing the shot image data, and determining real-time action behavior information of the marked personnel; judging whether the marked personnel have safety related events or not according to the real-time action behavior information;
s4, if the marked personnel have safety related events, performing RFID identification or ORC character identification on the evidence held by the marked personnel; and according to the recognition result, triggering an alarm action in the indoor place through the Internet of things platform.
Further, in step S1, set up distributed infrared sensor system and a plurality of multi-angle cameras in the same indoor place in garden, and will distributed infrared sensor system and all multi-angle cameras specifically include in inserting the thing networking platform:
at least one infrared sensor is respectively arranged on all target objects in the same indoor place of the park, so that a distributed infrared sensing system is formed;
the method comprises the following steps that multi-angle cameras are respectively arranged on walls and ceilings of indoor places in different directions;
and each infrared sensor and each multi-angle camera are accessed to the Internet of things platform through an independent two-way data communication link.
Further, in step S1, instruct the distributed infrared sensing system and the multi-angle camera to detect the indoor location respectively, obtaining infrared detection data and shooting image data specifically includes:
sending a first trigger working instruction to each infrared sensor through the Internet of things platform, indicating the infrared sensors to carry out infrared radar scanning detection to the outside, and collecting reflected radar data formed by infrared radar method reflection of the outside environment as the infrared detection data;
and sending a second trigger working instruction to each multi-angle camera through the Internet of things platform to indicate the multi-angle cameras to shoot the indoor places, so that shot image data are obtained.
Further, in the step S1, the method further includes:
the Internet of things platform extracts the relative distance between the personnel in the indoor place and the target object from the infrared detection data, and judges whether the relative distance changes; and simultaneously constructing a three-dimensional space coordinate system of the indoor place, wherein the upper right vertex inside the indoor place is taken as an origin, the horizontal forward direction is the positive direction of an X axis, the horizontal rightward direction is the positive direction of a Y axis, and the vertical downward direction is the positive direction of a Z axis
Step S101, determining shooting position points corresponding to all multi-angle cameras in the indoor place according to the position coordinates of the infrared sensors corresponding to the change of the relative distance in the indoor place by using the following formula (1),
Figure BDA0003736218930000031
in the above formula (1), (x) 0 ,y 0 ,z 0 ) Representing coordinates corresponding to shooting position points corresponding to all multi-angle cameras in the indoor place; x is XOZ (a),Z XOZ (a) -coordinates of the a-th infrared sensor corresponding to a change in relative distance on the XOZ plane corresponding to said indoor location; a represents the total number of the infrared sensors corresponding to the change of the relative distance on the XOZ plane corresponding to the indoor place; x is XOY (b),Y XOY (b) -coordinates representing the b-th infrared sensor corresponding to a change in relative distance on the XOY plane corresponding to the indoor location; b represents the total number of the infrared sensors corresponding to the change of the relative distance on the XOY plane corresponding to the indoor place; y is YOZ (c),Z YOZ (c) -coordinates of the c-th infrared sensor corresponding to a change in relative distance on the YOZ plane corresponding to the indoor location; c represents the total number of the infrared sensors corresponding to the change of the relative distance on the YOZ plane corresponding to the indoor place;
meanwhile, the Internet of things platform indicates all multi-angle cameras to aim at the shooting position point (x) 0 ,y 0 ,z 0 ) Shooting is carried out;
step S102, determining the current shooting focal length of each multi-angle camera according to the shooting position points corresponding to all the multi-angle cameras in the indoor place and the position coordinates of the infrared sensor corresponding to the change of the relative distance in the indoor place by using the following formula (2),
Figure BDA0003736218930000041
in the above formula (2), f XOY Indicating that a multi-angle camera located on an XOY plane in the indoor space needs to be usedA photographing focal length to be adjusted; f. of XOZ Representing the shooting focal length to which a multi-angle camera positioned on an XOZ plane in the indoor place needs to be adjusted; f. of YOZ The shooting focal length to which the multi-angle camera positioned on the YOZ plane needs to be adjusted in the indoor place is represented; m represents the transverse length values of the images shot by all the multi-angle cameras; n represents the longitudinal length values of the images shot by all the multi-angle cameras; min () represents finding the minimum value in parentheses; max + indicates that the maximum value in parentheses is found;
Figure BDA0003736218930000042
the value of a is substituted into the bracket from 1 to A to obtain the maximum value in the bracket;
Figure BDA0003736218930000043
the value of a is substituted into the bracket from 1 to A to obtain the minimum value in the bracket;
Figure BDA0003736218930000044
the value of B is substituted into brackets from 1 to B to obtain the maximum value in brackets;
Figure BDA0003736218930000045
the value of B is substituted into brackets from 1 to B to obtain the minimum value in brackets;
Figure BDA0003736218930000046
the value of C is substituted into brackets from 1 to C to obtain the maximum value in brackets;
Figure BDA0003736218930000047
the value of C is substituted into brackets from 1 to C to obtain the minimum value in brackets; l is a radical of an alcohol XOZ (a) Representing a relative distance value currently detected by the a-th infrared sensor corresponding to the change of the relative distance on the XOZ plane corresponding to the indoor place; l is XOY (b) Representing a relative distance value currently detected by the b-th infrared sensor corresponding to the change of the relative distance on the XOY plane corresponding to the indoor place;L YOZ (c) A relative distance value obtained by current detection of the c-th infrared sensor corresponding to the change of the relative distance on the YOZ plane corresponding to the indoor place is represented;
step S103, selecting one multi-angle camera from all the multi-angle cameras as a main camera according to the current shooting focal length of each multi-angle camera by using the following formula (3),
Figure BDA0003736218930000051
in the above formula (3), G represents a selection value corresponding to selecting one multi-angle camera from all the multi-angle cameras as a main camera, i.e., a multi-angle camera on one plane among the XOY plane, XOZ plane, YOZ plane corresponding when G has a maximum value as a main camera.
Further, in the step S2, the infrared search data is analyzed and processed to determine a relative positional relationship between a person and a target object existing in the indoor location; judging whether the personnel enter a monitoring range or not according to the relative position relation; and according to the above-mentioned judged result, carry on the mark to the corresponding personnel in the said image data of shooting specifically include:
extracting the relative distance between the personnel in the indoor place and the target object from the infrared detection data through the Internet of things platform, and comparing the relative distance with a preset distance threshold; if the relative distance is smaller than or equal to a preset distance threshold, determining that the personnel enters a monitoring range; if the relative distance is larger than a preset distance threshold, determining that the personnel does not enter a monitoring range;
and if the person is determined to enter the monitoring range, determining edge contour information of the corresponding person from the image picture corresponding to the shot image data, and marking the corresponding person.
Further, in step S2, analyzing the captured image data, and determining the real-time action behavior information of the marked person specifically includes:
and determining the edge contour information of the corresponding person according to the image picture corresponding to the shot image data, and determining the limb action posture of the marked person as the real-time action behavior information.
Further, in step S3, judging whether the marked personnel has a safety-related event according to the real-time action behavior information specifically includes:
comparing the marked personnel's limb action posture with a preset limb action database, and if the limb action posture exists in the preset limb action database, determining that the marked personnel has a safety-related event; otherwise, determining that the marked person has not occurred a security-related event.
Further, in step S4, if a security-related event occurs to the marked person, performing RFID identification or ORC character identification on a certificate held by the marked person; and according to the recognition result, triggering an alarm action in the indoor place through the Internet of things platform specifically comprises the following steps:
if the marked personnel have safety related events, performing RFID induction recognition or ORC character recognition on the certificate held by the marked personnel so as to obtain RFID induction information of the certificate or character information existing on the surface of the certificate;
according to the RFID sensing information or the character information, identity information of the marked personnel is determined, and therefore whether the marked personnel are the personnel prohibited to enter the indoor place or not is judged; and if so, indicating alarm equipment in the indoor place to perform sound alarm through the Internet of things platform.
Compared with the prior art, the intelligent campus management method based on the Internet of things platform is characterized in that a distributed infrared sensing system and a plurality of multi-angle cameras are arranged in indoor places of a campus, and infrared detection data and shot image data are acquired; analyzing the infrared detection data, judging whether the personnel enter a monitoring range, and marking the corresponding personnel in the shot image data; then, analyzing the shot image data, and judging whether safety-related events occur to the marked personnel; finally, RFID identification or ORC character identification is carried out on the certificate where the marker is located, so that identity information of the marker is obtained, and therefore an alarm action is triggered in an indoor place through the Internet of things platform; the method comprises the steps that an infrared sensor and a multi-angle camera are arranged in an indoor place to carry out multi-layer detection, the activity state of personnel in the indoor place is determined, and the running state of the indoor place is comprehensively and orderly managed; and moreover, the personnel are authenticated through RFID identification or ORC character identification, so that the safety of indoor places is ensured, and the efficiency and the reliability of managing the indoor places in the park are improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an intelligent park management method based on an internet of things platform according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Fig. 1 is a schematic flow chart of an intelligent park management method based on an internet of things platform according to an embodiment of the present invention. The intelligent park management method based on the Internet of things platform comprises the following steps:
the method comprises the following steps that S1, a distributed infrared sensor system and a plurality of multi-angle cameras are arranged in the same indoor place of a park, and the distributed infrared sensor system and all the multi-angle cameras are connected to an Internet of things platform; indicating the distributed infrared sensing system and the multi-angle camera to respectively detect the indoor place to obtain infrared detection data and shot image data;
s2, analyzing and processing the infrared retrieval data, and determining the relative position relation between the personnel in the indoor place and the target object; judging whether the personnel enters a monitoring range or not according to the relative position relation; marking corresponding personnel in the shot image data according to the judgment result;
s3, analyzing and processing the shot image data, and determining real-time action behavior information of the marked personnel; judging whether the marked personnel have safety related events or not according to the real-time action behavior information;
s4, if the marked personnel have safety related events, performing RFID identification or ORC character identification on the evidence held by the marked personnel; and according to the recognition result, triggering an alarm action in the indoor place through the Internet of things platform.
The beneficial effects of the above technical scheme are: according to the intelligent campus management method based on the Internet of things platform, a distributed infrared sensing system and a plurality of multi-angle cameras are arranged in indoor places of a campus, and infrared detection data and shot image data are acquired; analyzing the infrared detection data, judging whether the personnel enter a monitoring range, and marking the corresponding personnel in the shot image data; then, analyzing the shot image data, and judging whether safety-related events occur to the marker; finally, RFID identification or ORC character identification is carried out on the certificate where the marking personnel is located to obtain the identity information of the marking personnel, so that an alarm action is triggered in an indoor place through the Internet of things platform; the method comprises the steps that an infrared sensor and a multi-angle camera are arranged in an indoor place to carry out multi-layer detection, the activity state of personnel in the indoor place is determined, and the running state of the indoor place is comprehensively and orderly managed; and moreover, the personnel are authenticated through RFID identification or ORC character identification, so that the safety of indoor places is ensured, and the efficiency and the reliability of managing the indoor places in the park are improved.
Preferably, in step S1, the step of setting a distributed infrared sensor system and a plurality of multi-angle cameras in the same indoor place of the campus, and accessing the distributed infrared sensor system and all the multi-angle cameras to the platform of the internet of things specifically includes:
at least one infrared sensor is respectively arranged on all target objects in the same indoor place of the park, so that a distributed infrared sensing system is formed;
the method comprises the following steps that multi-angle cameras are respectively arranged on walls and ceilings of different directions of an indoor place;
and each infrared sensor and each multi-angle camera are accessed to the Internet of things platform through an independent two-way data communication link.
The beneficial effects of the above technical scheme are: through inside infrared sensor and the multi-angle camera of setting up in the same indoor place in garden, can carry out the dual detection that infrared detection and image were shot to indoor place, effectively improve the detection reliability to indoor place. In addition, each infrared sensor and each multi-angle camera are connected into the Internet of things platform through an independent two-way data communication link, so that the independent control and independent data processing of the Internet of things platform to each infrared sensor and each multi-angle camera can be guaranteed.
Preferably, in step S1, instructing the distributed infrared sensing system and the multi-angle camera to detect the indoor location respectively, and obtaining infrared detection data and captured image data specifically includes:
sending a first trigger working instruction to each infrared sensor through the platform of the Internet of things, indicating the infrared sensors to carry out infrared radar scanning detection to the outside, and collecting reflected radar data formed by the infrared radar method reflection of the outside environment as the infrared detection data;
and sending a second trigger working instruction to each multi-angle camera through the Internet of things platform, and indicating the multi-angle cameras to shoot the indoor places, so that shot image data are obtained.
The beneficial effects of the above technical scheme are: the Internet of things platform sends different trigger work instructions to infrared sensor and multi-angle camera head, can independently control infrared sensor and multi-angle camera head for infrared sensor and multi-angle camera head can carry out synchronous detection to indoor place, improve the comprehensiveness and the reliability that detect.
Preferably, in the step S1, the method further includes:
the Internet of things platform extracts the relative distance between the personnel in the indoor place and the target object from the infrared detection data, and judges whether the relative distance changes or not; meanwhile, a three-dimensional space coordinate system of the indoor place is constructed, the upper right vertex inside the indoor place is taken as an origin, the horizontal forward direction is the positive direction of an X axis, the horizontal rightward direction is the positive direction of a Y axis, and the vertical downward direction is the positive direction of a Z axis
Step S101, determining shooting position points corresponding to all multi-angle cameras in the indoor place according to the position coordinates of the infrared sensor corresponding to the change of the relative distance in the indoor place by using the following formula (1),
Figure BDA0003736218930000091
in the above formula (1), (x) 0 ,y 0 ,z 0 ) Representing coordinates corresponding to shooting position points corresponding to all multi-angle cameras in the indoor place; x is XOZ (a),Z XOZ (a) -the a-th one corresponding to a change in relative distance on the XOZ plane corresponding to the indoor locationCoordinates of the infrared sensor; a represents the total number of the infrared sensors corresponding to the change of the relative distance on the XOZ plane corresponding to the indoor place; x is XOY (b),Y XOY (b) -coordinates of the b-th infrared sensor corresponding to a change in relative distance on the XOY plane corresponding to the indoor location; b represents the total number of the infrared sensors corresponding to the change of the relative distance on the XOY plane corresponding to the indoor place; y is YOZ (c),Z YOZ (c) -coordinates of the c-th infrared sensor corresponding to a change in relative distance on the YOZ plane corresponding to the indoor location; c represents the total number of the infrared sensors corresponding to the change of the relative distance on the YOZ plane corresponding to the indoor place;
meanwhile, the platform of the Internet of things indicates all the multi-angle cameras to aim at the shooting position point (x) 0 ,y 0 ,z 0 ) Shooting is carried out;
step S102, determining the current shooting focal length of each multi-angle camera according to the shooting position points corresponding to all the multi-angle cameras in the indoor place and the position coordinates of the infrared sensor corresponding to the change of the relative distance in the indoor place by using the following formula (2),
Figure BDA0003736218930000101
in the above formula (2), f XOY The shooting focal length to which the multi-angle camera positioned on the XOY plane needs to be adjusted in the indoor place is shown; f. of XOZ The shooting focal length to which the multi-angle camera positioned on the XOZ plane needs to be adjusted in the indoor place is shown; f. of YOZ The shooting focal length to which the multi-angle camera positioned on the YOZ plane needs to be adjusted in the indoor place is shown; m represents the transverse length values of the images shot by all the multi-angle cameras; n represents the longitudinal length values of the images shot by all the multi-angle cameras; min () represents finding the minimum value in parentheses; max + indicates that the maximum value in parentheses is found;
Figure BDA0003736218930000102
to representSubstituting the value of a from 1 to A into the parenthesis to obtain the maximum value in the parenthesis;
Figure BDA0003736218930000103
the value of a is substituted into the bracket from 1 to A to obtain the minimum value in the bracket;
Figure BDA0003736218930000104
the value of B is substituted into brackets from 1 to B to obtain the maximum value in brackets;
Figure BDA0003736218930000105
the value of B is substituted into the bracket from 1 to B to obtain the minimum value in the bracket;
Figure BDA0003736218930000106
the value of C is substituted into the bracket from 1 to C to obtain the maximum value in the bracket;
Figure BDA0003736218930000107
the value of C is substituted into brackets from 1 to C to obtain the minimum value in brackets; l is a radical of an alcohol XOZ (a) A relative distance value obtained by current detection of the a-th infrared sensor corresponding to the change of the relative distance on the XOZ plane corresponding to the indoor place is represented; l is a radical of an alcohol XOY (b) A relative distance value obtained by current detection of the b-th infrared sensor corresponding to the change of the relative distance on the XOY plane corresponding to the indoor place is represented; l is YOZ (c) A relative distance value obtained by current detection of the c-th infrared sensor corresponding to the change of the relative distance on the YOZ plane corresponding to the indoor place is represented;
step S103, selecting one multi-angle camera from all the multi-angle cameras as a main camera according to the current shooting focal length of each multi-angle camera by using the following formula (3),
Figure BDA0003736218930000111
in the above formula (3), G represents a selection value corresponding to selecting one multi-angle camera from all the multi-angle cameras as a main camera, i.e., a multi-angle camera on one plane among the XOY plane, XOZ plane, YOZ plane corresponding when G has a maximum value as a main camera.
The beneficial effects of the above technical scheme are: by utilizing the formula (1), according to the position coordinates of the infrared sensor corresponding to the change of the relative distance in the indoor place, the shooting position points corresponding to all the multi-angle cameras in the indoor place are determined, so that the optimal monitoring position is intelligently selected for monitoring, the management of equipment is facilitated, the safety factor of a park is improved, and abnormal events are reduced; then, the current shooting focal length of each multi-angle camera is determined according to the shooting position points corresponding to all the multi-angle cameras in the indoor place and the position coordinates of the infrared sensors corresponding to the change of the relative distance in the indoor place by using the formula (2), so that the changed positions in the place can be shot, the full-coverage automatic monitoring of the change condition is ensured, the manpower supervision cost is effectively saved, and the intelligent management is realized; utilize above-mentioned formula (3) at last, according to the current shooting focus of every multi-angle camera, select a multi-angle camera as main camera from all multi-angle cameras, and then to shining more clearly, the multi-angle camera that the change picture of shooting is more is as main control, is convenient for carry out single analysis to main camera, can not cause data analysis's confusion.
Preferably, in step S2, the infrared search data is analyzed to determine a relative positional relationship between a person present in the indoor location and the target object; judging whether the personnel enters a monitoring range or not according to the relative position relation; and according to the above-mentioned judged result, mark the corresponding personnel in the image data of this shooting specifically includes:
extracting the relative distance between the personnel in the indoor place and the target object from the infrared detection data through the Internet of things platform, and comparing the relative distance with a preset distance threshold; if the relative distance is smaller than or equal to a preset distance threshold, determining that the person enters a monitoring range; if the relative distance is larger than a preset distance threshold, determining that the person does not enter the monitoring range;
and if the person is determined to enter the monitoring range, determining the edge contour information of the corresponding person from the image picture corresponding to the shot image data, and marking the corresponding person.
The beneficial effects of the above technical scheme are: in the mode, because each target object in the indoor place is correspondingly provided with the infrared sensor, each target object is used as a circle center, the preset distance threshold is used as a radius to define the corresponding monitoring range, and only when a person enters the monitoring range, the edge contour information of the corresponding person is determined from the image picture corresponding to the shot image data, so that the person is further marked on the image picture, and the person entering the monitoring range can be conveniently and accurately identified in behavior and action.
Preferably, in step S2, the analyzing the captured image data, and the determining the real-time action behavior information of the marked person specifically includes:
and determining the edge contour information of the corresponding person from the image picture corresponding to the shot image data, and determining the limb action posture of the marked person as the real-time action behavior information.
The beneficial effects of the above technical scheme are: after the edge contour information of the corresponding personnel in the image picture is determined, the limb areas of the personnel in the image picture are identified, the limb action posture of the personnel can be accurately obtained, and the real-time action behaviors of the personnel can be conveniently calibrated.
Preferably, in step S3, the determining whether the marked person has a safety-related event according to the real-time action behavior information specifically includes:
comparing the marked personnel's limb movement posture with a preset limb movement database, and if the limb movement posture exists in the preset limb movement database, determining that the marked personnel has a safety-related event; otherwise, it is determined that the security-related event has not occurred for the tagged person.
The beneficial effects of the above technical scheme are: by the method, whether safety-related events occur to the marked personnel can be quantitatively judged; wherein the pre-defined limb movement database comprises a plurality of limb movements associated with different safety-related incidents, which may include climbing, falling, etc.
Preferably, in step S4, if a security-related event occurs to the marked person, performing RFID identification or ORC character identification on the certificate held by the marked person; and according to the result of this discernment, trigger the warning action through this thing networking platform in this indoor place and specifically include:
if the marked personnel has a safety related event, performing RFID induction recognition or ORC character recognition on the certificate held by the marked personnel so as to obtain RFID induction information of the certificate or character information existing on the surface of the certificate;
according to the RFID induction information or the character information, the identity information of the marked personnel is determined, so that whether the marked personnel is a person prohibited to enter the indoor place or not is judged; if yes, the Internet of things platform indicates alarm equipment in the indoor place to perform sound alarm.
The beneficial effects of the above technical scheme are: by the mode, the identity information of the marked personnel can be further verified when the marked personnel are determined to have safety-related events, so that whether illegal personnel break into the indoor place or not is judged, adaptive sound alarm is performed, and timely and comprehensive safety management of the indoor place is realized.
According to the content of the embodiment, the intelligent park management method based on the Internet of things platform is characterized in that a distributed infrared sensing system and a plurality of multi-angle cameras are arranged in indoor places of a park, and infrared detection data and shot image data are acquired; analyzing the infrared detection data, judging whether the personnel enter a monitoring range, and marking the corresponding personnel in the shot image data; then, analyzing the shot image data, and judging whether safety-related events occur to the marker; finally, RFID identification or ORC character identification is carried out on the certificate where the marking personnel is located to obtain the identity information of the marking personnel, so that an alarm action is triggered in an indoor place through the Internet of things platform; the method comprises the steps that an infrared sensor and a multi-angle camera are arranged in an indoor place to carry out multi-layer detection, the activity state of personnel in the indoor place is determined, and the running state of the indoor place is comprehensively and orderly managed; and moreover, the personnel are authenticated through RFID identification or ORC character identification, so that the safety of indoor places is ensured, and the efficiency and reliability of managing indoor places in the garden are improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. An intelligent park management method based on an Internet of things platform is characterized by comprising the following steps:
the method comprises the following steps that S1, a distributed infrared sensing system and a plurality of multi-angle cameras are arranged in the same indoor place of a park, and the distributed infrared sensing system and all the multi-angle cameras are connected into an Internet of things platform; indicating the distributed infrared sensing system and the multi-angle camera to respectively detect the indoor places to obtain infrared detection data and shot image data;
s2, analyzing and processing the infrared retrieval data, and determining the relative position relation between the personnel and the target object in the indoor place; judging whether the personnel enter a monitoring range or not according to the relative position relation; marking corresponding personnel in the shot image data according to the judgment result;
s3, analyzing and processing the shot image data, and determining real-time action behavior information of the marked personnel; judging whether the marked personnel have safety related events or not according to the real-time action behavior information;
s4, if the marked personnel have safety related events, performing RFID identification or ORC character identification on the certified pieces held by the marked personnel; and according to the recognition result, triggering an alarm action in the indoor place through the Internet of things platform.
2. The intelligent park management method based on the platform of the internet of things of claim 1, wherein: in step S1, a distributed infrared sensor system and a plurality of multi-angle cameras are installed in the same indoor location of the campus, and the distributed infrared sensor system and all the multi-angle cameras are connected to the internet of things platform, which specifically includes:
respectively arranging at least one infrared sensor on all target objects in the same indoor place of the park to form a distributed infrared sensing system;
the method comprises the following steps that multi-angle cameras are respectively arranged on walls and ceilings of indoor places in different directions;
and each infrared sensor and each multi-angle camera are accessed to the Internet of things platform through an independent two-way data communication link.
3. The intelligent park management method based on the platform of the internet of things of claim 2, wherein: in the step S1, instructing the distributed infrared sensing system and the multi-angle camera to detect the indoor location, and obtaining infrared detection data and shooting image data specifically includes:
sending a first trigger working instruction to each infrared sensor through the Internet of things platform, indicating the infrared sensors to carry out infrared radar scanning detection to the outside, and collecting reflected radar data formed by infrared radar method reflection of the outside environment as the infrared detection data;
and sending a second trigger working instruction to each multi-angle camera through the Internet of things platform to indicate the multi-angle cameras to shoot the indoor places, so that shot image data are obtained.
4. The intelligent park management method based on the platform of the internet of things of claim 3, wherein: in the step S1, the method further includes:
the Internet of things platform extracts the relative distance between the personnel in the indoor place and the target object from the infrared detection data, and judges whether the relative distance changes; and simultaneously constructing a three-dimensional space coordinate system of the indoor place, taking the upper right vertex inside the indoor place as an origin, taking the horizontal forward direction as the positive X-axis direction, the horizontal rightward direction as the positive Y-axis direction, and the vertical downward direction as the positive Z-axis direction
Step S101, determining shooting position points corresponding to all multi-angle cameras in the indoor place according to the position coordinates of the infrared sensors corresponding to the change of the relative distance in the indoor place by using the following formula (1),
Figure FDA0003736218920000021
in the above formula (1), (x) 0 ,y 0 ,z 0 ) Representing coordinates corresponding to shooting position points corresponding to all multi-angle cameras in the indoor place; x is XOZ (a),Z XOZ (a) -coordinates of the a-th infrared sensor corresponding to a change in relative distance on the XOZ plane corresponding to said indoor location; a represents the total number of the infrared sensors corresponding to the change of the relative distance on the XOZ plane corresponding to the indoor place; x is XOY (b),Y XOY (b) -coordinates representing the b-th infrared sensor corresponding to a change in relative distance on the XOY plane corresponding to the indoor location; b represents the total number of the infrared sensors corresponding to the change of the relative distance on the XOY plane corresponding to the indoor place; y, Y YOZ (c),Z YOZ (c) -coordinates representing the c-th infrared sensor corresponding to a change in relative distance on the YOZ plane corresponding to the indoor location; c represents the total number of the infrared sensors corresponding to the change of the relative distance on the YOZ plane corresponding to the indoor place;
simultaneously, the Internet of things platform indicates more than oneThe angle camera is aligned with the shooting position point (x) 0 ,y 0 ,z 0 ) Shooting is carried out;
step S102, determining the current shooting focal length of each multi-angle camera according to the shooting position points corresponding to all the multi-angle cameras in the indoor place and the position coordinates of the infrared sensor corresponding to the change of the relative distance in the indoor place by using the following formula (2),
Figure FDA0003736218920000031
in the above formula (2), f XOY Representing the shooting focal length to which a multi-angle camera positioned on an XOY plane in the indoor place needs to be adjusted; f. of XOZ Representing the shooting focal length to which a multi-angle camera positioned on an XOZ plane in the indoor place needs to be adjusted; f. of YOZ Representing the shooting focal length to which a multi-angle camera positioned on a YOZ plane in the indoor place needs to be adjusted; m represents the transverse length values of the images shot by all the multi-angle cameras; n represents the longitudinal length values of the images shot by all the multi-angle cameras; min () represents finding the minimum value in parentheses; max + indicates that the maximum value in parentheses is found;
Figure FDA0003736218920000032
the value of a is substituted into the bracket from 1 to A to obtain the maximum value in the bracket;
Figure FDA0003736218920000033
the value of a is substituted into the bracket from 1 to A to obtain the minimum value in the bracket;
Figure FDA0003736218920000034
the value of B is substituted into the bracket from 1 to B to obtain the maximum value in the bracket;
Figure FDA0003736218920000035
denotes a 1Substituting the value from 1 to B into the bracket to obtain the minimum value in the bracket;
Figure FDA0003736218920000041
the value of C is substituted into brackets from 1 to C to obtain the maximum value in brackets;
Figure FDA0003736218920000042
the value of C is substituted into brackets from 1 to C to obtain the minimum value in brackets; l is XOZ (a) Representing a relative distance value currently detected by the a-th infrared sensor corresponding to the change of the relative distance on the XOZ plane corresponding to the indoor place; l is XOY (b) Representing a relative distance value currently detected by the b-th infrared sensor corresponding to the change of the relative distance on the XOY plane corresponding to the indoor place;
L YOZ (c) Representing a relative distance value currently detected by a c-th infrared sensor corresponding to the change of the relative distance on the YOZ plane corresponding to the indoor place;
step S103, selecting one multi-angle camera from all the multi-angle cameras as a main camera according to the current shooting focal length of each multi-angle camera by using the following formula (3),
Figure FDA0003736218920000043
in the above formula (3), G represents a selection value corresponding to selecting one multi-angle camera from all the multi-angle cameras as a main camera, i.e., a multi-angle camera on one plane among the XOY plane, XOZ plane, YOZ plane corresponding when G has a maximum value as a main camera.
5. The intelligent park management method based on internet of things platform as claimed in claim 4, wherein: in the step S2, the infrared search data is analyzed and processed to determine a relative positional relationship between a person and a target object existing in the indoor location; judging whether the personnel enter a monitoring range or not according to the relative position relation; according to the judgment result, marking the corresponding personnel in the shot image data specifically comprises the following steps:
extracting the relative distance between the personnel in the indoor place and the target object from the infrared detection data through the Internet of things platform, and comparing the relative distance with a preset distance threshold; if the relative distance is smaller than or equal to a preset distance threshold, determining that the personnel enters a monitoring range; if the relative distance is larger than a preset distance threshold, determining that the personnel does not enter a monitoring range;
and if the person is determined to enter the monitoring range, determining edge contour information of the corresponding person from the image picture corresponding to the shot image data, and marking the corresponding person.
6. The intelligent park management method based on the platform of the internet of things of claim 5, wherein: in step S2, analyzing the captured image data, and determining the real-time action behavior information of the marked person specifically includes:
and determining the edge contour information of the corresponding person according to the image picture corresponding to the shot image data, and determining the limb action posture of the marked person as the real-time action behavior information.
7. The intelligent park management method based on the platform of the internet of things of claim 6, wherein: in step S3, judging whether the marked person has a safety-related event according to the real-time action behavior information specifically includes:
comparing the marked body movement posture of the person with a preset body movement database, and if the body movement posture exists in the preset body movement database, determining that the marked person has a safety-related event; otherwise, it is determined that the tagged person has not occurred with a security-related event.
8. The intelligent park management method based on the platform of the internet of things of claim 7, wherein: in step S4, if a safety-related event occurs to the marked person, performing RFID identification or ORC character identification on a certificate held by the marked person; and according to the recognition result, triggering an alarm action in the indoor place through the Internet of things platform specifically comprises the following steps: if the marked personnel has a safety related event, performing RFID induction recognition or ORC character recognition on the certificate held by the marked personnel so as to obtain RFID induction information of the certificate or character information existing on the surface of the certificate;
according to the RFID sensing information or the character information, identity information of the marked personnel is determined, and therefore whether the marked personnel are the personnel prohibited to enter the indoor place or not is judged; and if yes, indicating alarm equipment in the indoor place to perform sound alarm through the Internet of things platform.
CN202210804540.XA 2022-07-08 2022-07-08 Intelligent park management method based on Internet of things platform Pending CN115223242A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117010773A (en) * 2023-07-01 2023-11-07 深圳市中壬速客信息技术有限公司 Intelligent park warehouse logistics inventory data monitoring and analyzing method and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117010773A (en) * 2023-07-01 2023-11-07 深圳市中壬速客信息技术有限公司 Intelligent park warehouse logistics inventory data monitoring and analyzing method and system

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