Intelligent access control key monitoring and processing system

Abstract

The invention relates to an intelligent access control key monitoring processing system. The system comprises a customized detection mechanism, a picture capturing mechanism, a step-by-step optimization mechanism, a continuous analysis device and a request sending device. The system is simple in structure and reasonable in design, and the management level of building access control is greatly improved.

Description

Technical Field

[0001] The present invention relates to the field of smart access control, and more specifically, to a key monitoring and processing system for smart access control. Background Art

[0002] The smart access control system is a new modern security management system that integrates microcomputer automatic identification technology and modern security management measures. It involves many new technologies such as electronics, machinery, optics, computer technology, communication technology, biotechnology, etc. It is an effective measure to solve the security management of the entrances and exits of important departments. It is suitable for various confidential departments, such as banks, hotels, computer rooms, armories, confidential rooms, offices, intelligent communities, factories, etc. With the rapid development of digital technology and network technology, access control technology has developed rapidly. The smart access control system has long surpassed the simple doorway and key management, and it has gradually developed into a complete access management system. It plays a huge role in administrative management work such as work environment safety and personnel attendance management.

[0003] With the rapid development of the logistics industry, food delivery personnel are the focus of smart access control system monitoring. Food delivery personnel need to be identified and monitored. However, how to accurately identify food delivery personnel is one of the problems in the existing technology. Some scenes such as wearing clothes similar to food delivery personnel or food delivery personnel going home are one of the reasons that affect the accurate identification of food delivery personnel performing food delivery tasks. Summary of the invention

[0004] In order to solve the technical problems in related fields, the present invention provides a smart access control key monitoring and processing system, which completes the targeted identification of whether the takeaway clothing and the takeaway package are in contact by adopting a number of targeted screened visual information, and then reliably identifies the delivery personnel who are performing the takeaway task in front of the smart access control system, and distinguishes them from multiple scenarios such as some people wearing similar clothes to the takeaway clothing or the takeaway personnel returning home. A request sending device is also introduced to issue an entry registration request when it is determined that the takeaway clothing and the takeaway package are in contact, and to issue a secondary confirmation request when it is determined that the takeaway clothing and the takeaway package are not in contact, thereby realizing the access control and key monitoring of the takeaway personnel.

[0005] The present invention needs to have at least the following important invention points: Invention point 1: based on the color imaging characteristics of the takeaway clothing and the takeaway package, the sub-images occupied by the takeaway clothing and the takeaway package in the received step-by-step optimization picture are respectively extracted to be output as the first sub-image and the second sub-image respectively; Invention point 2: Detect whether the depth of field value corresponding to the first sub-image is consistent with the depth of field value corresponding to the second sub-image. When they are consistent, analyze the number of repeated curvature values ​​of each curvature value on the geometric shape of the occupied sub-image corresponding to the takeaway clothing and each curvature value on the geometric shape of the standard shape pattern corresponding to the takeaway clothing, and when the number of repeated curvature values ​​is less than or equal to a set number threshold, determine that the takeaway clothing is in contact with the takeaway package, otherwise, determine that the takeaway clothing is not in contact with the takeaway package; Invention point three: Introducing a request sending device for issuing an entry registration request when it is determined that the takeaway clothing and the takeaway package are in contact, and for issuing a secondary confirmation request when it is determined that the takeaway clothing and the takeaway package are not in contact, thereby realizing access control and key monitoring of takeaway personnel.

[0006] According to the present invention, a smart access control key monitoring and processing system is provided, the system comprising: A customized detection mechanism is provided at the smart access control and includes an infrared transceiver unit array, a main controller, and a signal trigger unit, and is used to send a first detection signal when a human-shaped target is detected approaching, otherwise, send a second detection signal; A picture capturing mechanism, connected to the customized detection mechanism, for triggering a picture capturing operation of the environment in front of the smart access control system upon receiving the first detection signal, so as to obtain and output a corresponding dynamic captured picture; A step-by-step optimization mechanism, comprising a first optimization unit, a second optimization unit and a third optimization unit and connected to the picture capturing mechanism, for sequentially performing a nonlinear transformation operation based on an exponential transformation, an image smoothing operation based on a neighborhood average mode and an adaptive median filtering operation on the received dynamic capture picture, so as to obtain and output a corresponding step-by-step optimization picture; a continuous analysis device connected to the step-by-step optimization mechanism, for receiving the step-by-step optimization picture, extracting the occupied sub-images of the take-out clothing and the take-out package in the received step-by-step optimization picture respectively based on the color imaging characteristics of the take-out clothing and the take-out package as the first sub-image and the second sub-image respectively, detecting whether the depth of field value corresponding to the first sub-image and the depth of field value corresponding to the second sub-image are consistent, and when they are consistent, analyzing the number of repeated curvature values ​​of each curvature value on the geometric shape of the occupied sub-image corresponding to the take-out clothing and each curvature value on the geometric shape of the standard shape pattern corresponding to the take-out clothing, and when the number of repeated curvature values ​​is less than or equal to a set number threshold, determining that the take-out clothing and the take-out package are in contact, otherwise, determining that the take-out clothing and the take-out package are not in contact; a request sending device connected to the continuous analysis device, used to send an entry registration request when the continuous analysis device determines that the takeaway clothing and the takeaway package are in contact, and also used to send a secondary confirmation request when the continuous analysis device determines that the takeaway clothing and the takeaway package are not in contact; The customized detection mechanism is arranged at the smart access control and includes an infrared transceiver unit array, a main controller and a signal trigger unit, and is used to send a first detection signal when a human-shaped target is detected approaching, otherwise, send a second detection signal, including: the infrared transceiver unit array includes a plurality of infrared transceiver units and the plurality of infrared transceiver units form a human-shaped pattern; Among them, the step-by-step optimization mechanism includes a first optimization unit, a second optimization unit and a third optimization unit and is connected to the picture capturing mechanism, and is used to sequentially perform a nonlinear transformation operation based on an exponential transformation, an image smoothing operation based on a neighborhood average mode and an adaptive median filtering operation on the received dynamic capture picture to obtain and output a corresponding step-by-step optimized picture, including: the first optimization unit is used to perform a nonlinear transformation operation based on an exponential transformation on the received picture, the second optimization unit is used to perform an image smoothing operation based on a neighborhood average mode on the received picture, and the third optimization unit is used to perform an adaptive median filtering operation on the received picture.

[0007] The intelligent access control key monitoring and processing system of the present invention is stable in operation and easy to operate. Since it can use multiple visual information that is specifically screened to complete the targeted identification of whether the takeaway clothing and takeaway packages are in contact, the takeaway personnel who are performing the takeaway task in front of the intelligent access control system can be reliably identified, thereby realizing the access control and key monitoring of the takeaway personnel. BRIEF DESCRIPTION OF THE DRAWINGS Those skilled in the art may better understand the numerous advantages of the present invention by referring to the accompanying drawings, in which: Figure 1 It is a structural diagram of the intelligent access control key monitoring and processing system according to the primary embodiment of the present invention.

[0009] Figure 2 It is a structural diagram of a smart access control key monitoring and processing system according to a secondary embodiment of the present invention.

[0010] Figure 3 It is a structural diagram of a smart access control key monitoring and processing system according to another embodiment of the present invention. DETAILED DESCRIPTION

[0011] Figure 1 1 is a schematic diagram of the structure of a smart access control key monitoring and processing system according to the primary embodiment of the present invention, the system comprising: A customized detection mechanism is provided at the smart access control and includes an infrared transceiver unit array, a main controller, and a signal trigger unit, and is used to send a first detection signal when a human-shaped target is detected approaching, otherwise, send a second detection signal; For example, a customized detection mechanism is provided at a smart access control and includes an infrared transceiver unit array, a main controller, and a signal trigger unit, and is used to send a first detection signal when a human-shaped target is detected approaching, otherwise, send a second detection signal, including: the main controller is an ASIC control device; A picture capturing mechanism, connected to the customized detection mechanism, for triggering a picture capturing operation of the environment in front of the smart access control system upon receiving the first detection signal, so as to obtain and output a corresponding dynamic captured picture; A step-by-step optimization mechanism, comprising a first optimization unit, a second optimization unit and a third optimization unit and connected to the picture capturing mechanism, for sequentially performing a nonlinear transformation operation based on an exponential transformation, an image smoothing operation based on a neighborhood average mode and an adaptive median filtering operation on the received dynamic capture picture, so as to obtain and output a corresponding step-by-step optimization picture; Specifically, the step-by-step optimization mechanism includes a first optimization unit, a second optimization unit and a third optimization unit and is connected to the picture capture mechanism, and is used to sequentially perform a nonlinear transformation operation based on an exponential transformation, an image smoothing operation based on a neighborhood average mode and an adaptive median filtering operation on the received dynamic capture picture, so as to obtain and output a corresponding step-by-step optimization picture, including: using different CPLD chips to implement the first optimization unit, the second optimization unit and the third optimization unit, respectively, and being used to sequentially perform a nonlinear transformation operation based on an exponential transformation, an image smoothing operation based on a neighborhood average mode and an adaptive median filtering operation on the received dynamic capture picture, so as to obtain and output a corresponding step-by-step optimization picture; a continuous analysis device connected to the step-by-step optimization mechanism, for receiving the step-by-step optimization picture, extracting the occupied sub-images of the take-out clothing and the take-out package in the received step-by-step optimization picture respectively based on the color imaging characteristics of the take-out clothing and the take-out package as the first sub-image and the second sub-image respectively, detecting whether the depth of field value corresponding to the first sub-image and the depth of field value corresponding to the second sub-image are consistent, and when they are consistent, analyzing the number of repeated curvature values ​​of each curvature value on the geometric shape of the occupied sub-image corresponding to the take-out clothing and each curvature value on the geometric shape of the standard shape pattern corresponding to the take-out clothing, and when the number of repeated curvature values ​​is less than or equal to a set number threshold, determining that the take-out clothing and the take-out package are in contact, otherwise, determining that the take-out clothing and the take-out package are not in contact; a request sending device connected to the continuous analysis device, used to send an entry registration request when the continuous analysis device determines that the takeaway clothing and the takeaway package are in contact, and also used to send a secondary confirmation request when the continuous analysis device determines that the takeaway clothing and the takeaway package are not in contact; The customized detection mechanism is arranged at the smart access control and includes an infrared transceiver unit array, a main controller and a signal trigger unit, and is used to send a first detection signal when a human-shaped target is detected approaching, otherwise, send a second detection signal, including: the infrared transceiver unit array includes a plurality of infrared transceiver units and the plurality of infrared transceiver units form a human-shaped pattern; Wherein, the step-by-step optimization mechanism includes a first optimization unit, a second optimization unit and a third optimization unit and is connected to the picture capturing mechanism, and is used to sequentially perform a nonlinear transformation operation based on an exponential transformation, an image smoothing operation based on a neighborhood average mode and an adaptive median filtering operation on the received dynamic captured picture, so as to obtain and output a corresponding step-by-step optimized picture, including: the first optimization unit is used to perform a nonlinear transformation operation based on an exponential transformation on the received picture, the second optimization unit is used to perform an image smoothing operation based on a neighborhood average mode on the received picture, and the third optimization unit is used to perform an adaptive median filtering operation on the received picture; Among them, the first optimization unit is used to perform a nonlinear transformation operation based on exponential transformation on the received picture, the second optimization unit is used to perform an image smoothing operation based on a neighborhood average mode on the received picture, and the third optimization unit is used to perform an adaptive median filtering operation on the received picture, including: in the adaptive median filtering operation, the size of the median filtering window used is positively correlated with the maximum noise amplitude of the received picture.

[0012] Figure 2 It is a structural diagram of a smart access control key monitoring and processing system according to a secondary embodiment of the present invention.

[0013] and Figure 1 different, Figure 2 The smart access control key monitoring and processing system can also include the following components: a voltage supply interface, connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, respectively, for providing the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with their respective required operating voltages; The voltage supply interface is connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit respectively, and is used to provide the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with the required working voltages respectively, including: the required working voltages of the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit respectively include 3.3 volts and 5 volts; The voltage supply interface is connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit respectively, and is used to provide the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with the required working voltages respectively, and further comprises: the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit are arranged around the voltage supply interface and are isolated from the voltage supply interface by different electromagnetic shielding mechanisms respectively; The continuous analysis device, the first optimization unit, the second optimization unit, and the third optimization unit are arranged around the voltage supply interface and are isolated from the voltage supply interface by using different electromagnetic shielding mechanisms respectively, including: the distances from the different electromagnetic shielding mechanisms respectively used by the continuous analysis device, the first optimization unit, the second optimization unit, and the third optimization unit to the voltage supply interface are equal; And wherein the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit are arranged around the voltage supply interface and are isolated from the voltage supply interface by using different electromagnetic shielding mechanisms respectively, and also includes: the internal structures of the different electromagnetic shielding mechanisms respectively used by the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit are the same.

[0014] Figure 3 It is a structural diagram of a smart access control key monitoring and processing system according to another embodiment of the present invention.

[0015] and Figure 1 different, Figure 3 The smart access control key monitoring and processing system can also include the following components: a radiation sensing device, connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, respectively, and used to provide respective numerical sensing operations of real-time electromagnetic radiation quantities for the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit; The radiation sensing device is connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit respectively, and is used to provide the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with respective numerical sensing operations of real-time electromagnetic radiation quantities, including: the radiation sensing device includes a plurality of radiation sensing units, which are used to provide the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with respective numerical sensing operations of real-time electromagnetic radiation quantities; The radiation sensing device comprises a plurality of radiation sensing units, and the operations for respectively providing the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with respective numerical sensing operations of real-time electromagnetic radiation amounts include: the internal structures of the plurality of radiation sensing units are the same; And wherein, the radiation sensing device includes multiple radiation sensing units, which are used to provide respective numerical sensing operations of real-time electromagnetic radiation quantities for the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, respectively, including: the multiple radiation sensing units are respectively equipped with respective radiation alarm components.

[0016] In addition, in the smart access control key monitoring and processing system, the image capture mechanism is also used to suspend the image capture operation of the environment in front of the smart access control when receiving the second detection signal; And wherein, the step-by-step optimization mechanism includes a first optimization unit, a second optimization unit and a third optimization unit and is connected to the picture capture mechanism, and is used to sequentially perform nonlinear transformation operations based on exponential transformation, image smoothing operations based on a neighborhood average mode and adaptive median filtering operations on the received dynamic capture pictures to obtain and output corresponding step-by-step optimization pictures. It also includes: the second optimization unit is respectively connected to the first optimization unit and the third optimization unit.

[0017] As many apparently widely different embodiments of the present invention can be made without departing from the spirit and scope of the present invention, it is to be understood that the invention is not limited to the specific embodiments except as defined in the appended claims.

Claims

1. A smart access control key monitoring and processing system, characterized in that: The system comprises: A customized detection mechanism is provided at the smart access control and includes an infrared transceiver unit array, a main controller, and a signal trigger unit, and is used to send a first detection signal when a human-shaped target is detected approaching, otherwise, send a second detection signal; A picture capturing mechanism, connected to the customized detection mechanism, for triggering a picture capturing operation of the environment in front of the smart access control system upon receiving the first detection signal, so as to obtain and output a corresponding dynamic captured picture; A step-by-step optimization mechanism, comprising a first optimization unit, a second optimization unit and a third optimization unit and connected to the picture capturing mechanism, for sequentially performing a nonlinear transformation operation based on an exponential transformation, an image smoothing operation based on a neighborhood average mode and an adaptive median filtering operation on the received dynamic capture picture, so as to obtain and output a corresponding step-by-step optimization picture; a continuous analysis device connected to the step-by-step optimization mechanism, for receiving the step-by-step optimization picture, extracting the occupied sub-images of the take-out clothing and the take-out package in the received step-by-step optimization picture respectively based on the color imaging characteristics of the take-out clothing and the take-out package as the first sub-image and the second sub-image respectively, detecting whether the depth of field value corresponding to the first sub-image and the depth of field value corresponding to the second sub-image are consistent, and when they are consistent, analyzing the number of repeated curvature values ​​of each curvature value on the geometric shape of the occupied sub-image corresponding to the take-out clothing and each curvature value on the geometric shape of the standard shape pattern corresponding to the take-out clothing, and when the number of repeated curvature values ​​is less than or equal to a set number threshold, determining that the take-out clothing and the take-out package are in contact, otherwise, determining that the take-out clothing and the take-out package are not in contact; a request sending device connected to the continuous analysis device, used to send an entry registration request when the continuous analysis device determines that the takeaway clothing and the takeaway package are in contact, and also used to send a secondary confirmation request when the continuous analysis device determines that the takeaway clothing and the takeaway package are not in contact; The customized detection mechanism is arranged at the smart access control and includes an infrared transceiver unit array, a main controller and a signal trigger unit, and is used to send a first detection signal when a human-shaped target is detected approaching, otherwise, send a second detection signal, including: the infrared transceiver unit array includes a plurality of infrared transceiver units and the plurality of infrared transceiver units form a human-shaped pattern; Among them, the step-by-step optimization mechanism includes a first optimization unit, a second optimization unit and a third optimization unit and is connected to the picture capturing mechanism, and is used to sequentially perform a nonlinear transformation operation based on an exponential transformation, an image smoothing operation based on a neighborhood average mode and an adaptive median filtering operation on the received dynamic capture picture to obtain and output a corresponding step-by-step optimized picture, including: the first optimization unit is used to perform a nonlinear transformation operation based on an exponential transformation on the received picture, the second optimization unit is used to perform an image smoothing operation based on a neighborhood average mode on the received picture, and the third optimization unit is used to perform an adaptive median filtering operation on the received picture.

2. The smart access control key monitoring and processing system as claimed in claim 1, characterized in that: The first optimization unit is used to perform a nonlinear transformation operation based on an exponential transformation on the received picture, the second optimization unit is used to perform an image smoothing operation based on a neighborhood average mode on the received picture, and the third optimization unit is used to perform an adaptive median filtering operation on the received picture, including: in the adaptive median filtering operation, the size of the median filtering window used is positively correlated with the maximum noise amplitude of the received picture.

3. The smart access control key monitoring and processing system as claimed in claim 2, characterized in that: The system further comprises: a voltage supply interface, connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, respectively, for providing the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with their respective required operating voltages; Among them, the voltage supply interface is connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit respectively, and is used to provide the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with the required working voltages respectively, including: the working voltages required by the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit respectively include 3.3 volts and 5 volts.

4. The smart access control key monitoring and processing system as claimed in claim 3, characterized in that: A voltage supply interface is respectively connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, and is used to provide the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with their respective required working voltages. The continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit are also configured around the voltage supply interface and are isolated from the voltage supply interface by different electromagnetic shielding mechanisms.

5. The smart access control key monitoring and processing system as claimed in claim 4, characterized in that: The continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit are arranged around the voltage supply interface and are isolated from the voltage supply interface by using different electromagnetic shielding mechanisms respectively, including: the different electromagnetic shielding mechanisms respectively used by the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit are at equal distances from the voltage supply interface.

6. The smart access control key monitoring and processing system as claimed in claim 4, characterized in that: The continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit are configured around the voltage supply interface and are isolated from the voltage supply interface by using different electromagnetic shielding mechanisms respectively. It also includes: the internal structures of the different electromagnetic shielding mechanisms respectively used by the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit are the same.

7. The smart access control key monitoring and processing system as claimed in claim 2, characterized in that: The system further comprises: a radiation sensing device, connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, respectively, and used to provide respective numerical sensing operations of real-time electromagnetic radiation quantities for the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit; Among them, the radiation sensing device is respectively connected to the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, and is used to provide the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with respective numerical sensing operations of real-time electromagnetic radiation quantities, including: the radiation sensing device includes multiple radiation sensing units, which are used to provide the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit with respective numerical sensing operations of real-time electromagnetic radiation quantities.

8. The smart access control key monitoring and processing system as claimed in claim 7, characterized in that: The radiation sensing device includes a plurality of radiation sensing units, which are used to provide respective numerical sensing operations of real-time electromagnetic radiation quantities for the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, including: the internal structures of the plurality of radiation sensing units are the same.

9. The smart access control key monitoring and processing system as claimed in claim 7, characterized in that: The radiation sensing device includes a plurality of radiation sensing units, which are used to provide respective numerical sensing operations of real-time electromagnetic radiation quantities for the continuous analysis device, the first optimization unit, the second optimization unit and the third optimization unit, respectively. The operations include: the plurality of radiation sensing units are respectively equipped with respective radiation alarm components.

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