CN112700580B - Intelligent traffic management access control system and intelligent traffic management method - Google Patents
Intelligent traffic management access control system and intelligent traffic management method Download PDFInfo
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- CN112700580B CN112700580B CN202011524332.1A CN202011524332A CN112700580B CN 112700580 B CN112700580 B CN 112700580B CN 202011524332 A CN202011524332 A CN 202011524332A CN 112700580 B CN112700580 B CN 112700580B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
Abstract
The invention provides a smart traffic management access control system and a smart traffic management method, wherein the smart traffic management access control system comprises a smart interaction terminal, a background management terminal, an object terminal and a first access control terminal, wherein the smart interaction terminal acquires an access request of a visitor; the background management terminal forwards the access request to an object terminal of a corresponding access object; the object terminal checks the received access request; the background management terminal inputs the corresponding access object information and visitor information in the access request into the temporary access database according to the auditing result returned by the object terminal; the first access control terminal acquires a second visitor face image and sends a verification request to the background management terminal; and the background management terminal also carries out verification according to the acquired verification request, and controls the first access control terminal to open the corresponding access control equipment after the verification is passed. The access control system realizes regional visitor management and is beneficial to improving the safety of industrial parks or office buildings.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to an intelligent traffic management access control system and an intelligent traffic management method.
Background
Currently, an industrial park or an office building usually includes different types of enterprises, wherein some enterprises have a high openness to visitors (such as service type enterprises), and some enterprises have a low openness to visitors (such as technical enterprises);
in the prior art, in order to ensure the safety of a park or a building, a visitor registration place is usually arranged at a main import/export of the park or a hall of the building to manage visitors entering the park; however, in the above registration method, once a visitor enters a campus or a building, the visitor can freely shuttle through all areas in the campus or the building, so that there is a safety hazard in visitor management in the campus or the building.
Disclosure of Invention
In view of the above problems, the present invention provides an intelligent traffic management access control system and an intelligent traffic management method.
The purpose of the invention is realized by adopting the following technical scheme:
the intelligent traffic management access control system comprises an intelligent interaction terminal, a background management terminal, an object terminal and a first access control terminal; wherein the content of the first and second substances,
the intelligent interaction terminal is used for acquiring an access request of a visitor and sending the acquired access request information to the background management terminal, wherein the access request comprises access object information and visitor information, and the visitor information comprises a first visitor face image;
the background management terminal is used for forwarding the access request to the object terminal of the corresponding access object;
the object terminal is used for auditing the received access request and transmitting an auditing result to the background management terminal;
the background management terminal is also used for inputting the corresponding access object information and visitor information in the access request into the temporary access database according to the auditing result returned by the object terminal;
the first access control terminal is used for acquiring a second visitor face image and sending a verification request to the background management terminal, wherein the verification request comprises the second visitor face image and the identification information of the first access control terminal;
the background management terminal is further used for carrying out matching verification according to the acquired second visitor face image and the first visitor face image stored in the temporary access database, acquiring corresponding visitor identity information after matching is passed, further carrying out permission matching verification according to access object information corresponding to the visitor identity information and identification information of the first access control terminal, returning verification passing information to the first access control terminal after permission matching verification is passed, and opening corresponding access control equipment by the first access control terminal according to the received verification passing information.
In one embodiment, the first access control terminal and the access control device are arranged in a one-to-one correspondence.
In one embodiment, the access control system further comprises a second access control terminal;
the background management terminal also comprises: sending a control instruction to a second gate control terminal according to an audit result returned by the object terminal;
and the second access control terminal is used for opening the corresponding access control equipment according to the received control instruction.
In one implementation mode, the intelligent interactive terminal comprises a registration unit, a first image acquisition unit and a transmission unit;
the registration unit is used for the visitor to input an access form, wherein the access form comprises access object information, visitor information and the like;
the first image acquisition unit is used for acquiring a face image of a visitor as a first face image when the visitor initiates an access request;
the transmission unit is used for generating an access request according to the access form and the first face image and sending the access request to the background management terminal.
In one embodiment, the object terminal comprises an auditing unit;
the auditing unit is used for auditing the access request sent by the background management terminal, and comprises an access form and a first face image which are displayed in the access request, so that an administrator of an access object can audit the access request and input an auditing result, and the auditing result is sent to the background management terminal.
In one embodiment, the background management terminal comprises a forwarding unit, an entry unit, an identity verification unit and an authority verification unit; wherein
The forwarding unit is used for sending the access request to an object terminal corresponding to the access object according to the received access request and the access object information contained in the access request;
the input unit is used for inputting the access object information and the first visitor face image contained in the access request into the temporary access database according to the auditing result returned by the object terminal when the auditing result is that the auditing is passed, and displaying a corresponding auditing non-passing message when the auditing result is that the auditing is not passed;
the identity verification unit is used for performing matching verification according to a second visitor face image in a verification request sent by the first access control terminal and a first visitor face image stored in the temporary access database, and outputting a visitor identity matching result, wherein the visitor identity matching result comprises whether a matched visitor exists and corresponding matched visitor identity information;
the permission verification unit is used for further returning verification passing information to the first access control terminal if the permission matching relationship exists between the access object corresponding to the matched visitor identity information and the identification information of the first access control terminal corresponding to the verification request when the visitor identity verification result has the matched visitor, or else returning verification failing information to the first access control terminal.
In one embodiment, the first access control terminal comprises a second image acquisition unit and a control unit;
the second image acquisition unit is used for acquiring a second visitor face image of the visitor and sending the acquired second visitor face image to the background management terminal;
the control unit is used for controlling the corresponding access control equipment to be opened according to the verification passing information returned by the background management terminal, or displaying a verification failing message according to the verification failing information returned by the background management terminal.
In one embodiment, the background management terminal further comprises an image preprocessing unit;
the image preprocessing unit is used for preprocessing the received first visitor face image and the second visitor face image.
In one embodiment, the authentication unit comprises:
and when the similarity between the acquired characteristic parameters and the characteristic parameters corresponding to the first visitor face image prestored in the temporary access database is greater than 90%, judging that the visitor identity information corresponding to the second visitor face image and the first visitor face image is successfully matched, and outputting a visitor identity matching result.
In a second aspect, a smart traffic management method is provided, which is performed based on the smart traffic management access control system provided in any one of the embodiments of the first aspect; the method comprises the following steps:
the method comprises the steps that an intelligent interaction terminal obtains an access request of a visitor and sends the obtained access request information to a background management terminal, wherein the access request comprises access object information and visitor information, and the visitor information comprises a first visitor face image;
the background management terminal forwards the access request to an object terminal of a corresponding access object;
the object terminal checks the received access request and transmits a checking result to the background management terminal;
the background management terminal also inputs the corresponding access object information and visitor information in the access request into a temporary access database according to the auditing result returned by the object terminal;
the first access control terminal acquires a second visitor face image and sends a verification request to the background management terminal, wherein the verification request comprises the second visitor face image and the identification information of the first access control terminal;
the background management terminal also carries out matching verification according to the acquired second visitor face image and the first visitor face image stored in the temporary access database, acquires corresponding visitor identity information after matching is passed, further carries out permission matching verification according to access object information corresponding to the visitor identity information and identification information of the first access control terminal, returns verification passing information to the first access control terminal after permission matching verification is passed, and the first access control terminal opens corresponding access control equipment according to the received verification passing information.
The invention has the beneficial effects that: the access control system and the management method realize regional visitor management, and avoid the problem of potential safety hazard in visitor management caused by the fact that visitors fill in visitor information and target enterprise information in a mess in order to enter a park or an office building area. The safety of an industrial park or an office building is improved.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a frame structure view of the present invention.
Detailed Description
The invention is further described in connection with the following application scenarios.
Referring to fig. 1, a smart traffic management access control system is shown, which includes an intelligent interactive terminal, a background management terminal, an object terminal and a first access control terminal; wherein the content of the first and second substances,
the intelligent interaction terminal is used for acquiring an access request of a visitor and sending the acquired access request information to the background management terminal, wherein the access request comprises access object information and visitor information, and the visitor information comprises a first visitor face image;
the background management terminal is used for forwarding the access request to the object terminal of the corresponding access object;
the object terminal is used for auditing the received access request and transmitting an auditing result to the background management terminal;
the background management terminal is also used for inputting the corresponding access object information and visitor information in the access request into the temporary access database according to the auditing result returned by the object terminal;
the first access control terminal is used for acquiring a second visitor face image and sending a verification request to the background management terminal, wherein the verification request comprises the second visitor face image and the identification information of the first access control terminal;
the background management terminal is further used for carrying out matching verification according to the acquired second visitor face image and the first visitor face image stored in the temporary access database, acquiring corresponding visitor identity information after matching is passed, further carrying out permission matching verification according to access object information corresponding to the visitor identity information and identification information of the first access control terminal, returning verification passing information to the first access control terminal after permission matching verification is passed, and opening corresponding access control equipment by the first access control terminal according to the received verification passing information.
The first access control terminal and the access control equipment are arranged in a one-to-one correspondence mode. The temporary access database is provided in the background management terminal.
In the above embodiment, access areas of companies are divided by setting access control devices at locations corresponding to the companies in an industrial park or an office building (for example, setting one access control device for each company, or setting one area access control device for an area, such as companies located in the same floor), where the access control device sets a corresponding access control terminal to perform visitor identity verification and control on/off of the access control device; meanwhile, an intelligent interactive terminal is arranged in a general access area (such as a park entrance, a building lobby and the like) for visitors to self-input visitor information and information of a target access object (enterprise) to initiate an access request, the intelligent interactive terminal sends the access request to the corresponding enterprise for auditing through a background management system terminal, and after the auditing is passed, a background management system records the visitor information and the target enterprise information and allows the visitors to enter the park or the building; when a visitor arrives at a corresponding area of a target enterprise, a first entrance guard control terminal is arranged to acquire a face image of the visitor, a background management terminal carries out identity recognition based on the face image to recognize identity information of the visitor and matches with visitor information recorded in a temporary access database and target access enterprise information, and when the current entrance guard is judged to correspond to the target access enterprise, the judgment and verification are passed, the entrance guard equipment is controlled to be opened, and the visitor can access the corresponding area to access the target enterprise. And when the visitor identity identification fails or the verified access control equipment does not correspond to the target access enterprise, judging that the verification fails and keeping the access control equipment closed.
According to the access control system, regional visitor management is achieved, and the problem that potential safety hazards exist in visitor management caused by the fact that visitors fill visitor information and target enterprise information (especially target enterprise information) in a mess in order to enter a park or an office building region is solved. The safety of an industrial park or an office building is improved.
In one embodiment, the access control system further comprises a second access control terminal;
the background management terminal also comprises: sending a control instruction to a second gate control terminal according to an audit result returned by the object terminal;
and the second access control terminal is used for opening the corresponding access control equipment according to the received control instruction.
In order to further provide the intelligentization level of the access control system, in the above embodiment, after the background management terminal receives the audit result returned by the target enterprise, the background management terminal can automatically control the access control of the industrial park or the office building to be opened, so that the visitor can enter the area of the industrial park or the office building. The second entrance guard control terminal corresponds to the general entrance guard equipment of the industrial park or the office building.
In one embodiment, the intelligent interactive terminal comprises a registration unit, a first image acquisition unit and a transmission unit;
the registration unit is used for the visitor to input an access form, wherein the access form comprises access object information and visitor information;
the first image acquisition unit is used for acquiring a face image of a visitor as a first face image when the visitor initiates an access request;
the transmission unit is used for generating an access request according to the access form and the first face image and sending the access request to the background management terminal.
In one embodiment, the object terminal comprises an auditing unit;
the auditing unit is used for auditing the access request sent by the background management terminal, and comprises an access form and a first face image which are displayed in the access request, so that an administrator of an access object can audit the access request and input an auditing result, and the auditing result is sent to the background management terminal.
In the embodiment, each enterprise is respectively provided with an object terminal, when a visitor needs to access the enterprise, the background management terminal sends an access request of the visitor to the corresponding object terminal of the target enterprise, the access request is displayed through object interruption, the target enterprise checks the access request, and corresponding checking information is returned; the target enterprise can acquire visitor information and corresponding face images to judge whether the visitors are the personnel accessing the enterprise.
The object terminal comprises mobile intelligent equipment or computer equipment and the like.
In one embodiment, the background management terminal comprises a forwarding unit, an entry unit, an identity verification unit and an authority verification unit; wherein
The forwarding unit is used for sending the access request to an object terminal corresponding to the access object according to the received access request and the access object information contained in the access request;
the input unit is used for inputting the access object information and the first visitor face image contained in the access request into the temporary access database according to the audit result returned by the object terminal when the audit result is that the audit is passed, and displaying a corresponding audit failure message when the audit result is that the audit is failed;
the identity verification unit is used for performing matching verification according to a second visitor face image in a verification request sent by the first access control terminal and a first visitor face image stored in the temporary access database, and outputting a visitor identity matching result, wherein the visitor identity matching result comprises whether a matched visitor exists and corresponding matched visitor identity information;
the permission verification unit is used for further returning verification passing information to the first access control terminal if the permission matching relationship exists between the access object corresponding to the matched visitor identity information and the identification information of the first access control terminal corresponding to the verification request when the visitor identity verification result has the matched visitor, or else returning verification failing information to the first access control terminal.
The identification information of the first access control terminal comprises a terminal ID, a terminal position and the like.
In the embodiment, after receiving a second visitor face image acquired by a first access control terminal, a background management terminal firstly performs matching verification according to the second visitor face image and visitor information stored in a temporary access database, and acquires target access enterprise information according to the visitor information after matching the corresponding visitor information; matching the obtained target access enterprise information with the ID information of the first access control terminal, and controlling the access control equipment to be opened when the access control equipment corresponding to the first access control terminal corresponds to the target access enterprise so that the visitor can access the target enterprise; according to the method and the system, on the basis of face recognition and identity verification, whether the entrance guard equipment corresponds to the target enterprise or not is further judged according to the ID information of the first entrance guard control terminal, the situation that visitors move wantonly after entering an office building can be effectively prevented, and the safety management level of the office building is improved.
In one embodiment, the first access control terminal comprises a second image acquisition unit and a control unit;
the second image acquisition unit is used for acquiring a second visitor face image of the visitor and sending the acquired second visitor face image to the background management terminal;
the control unit is used for controlling the corresponding access control equipment to be opened according to the verification passing information returned by the background management terminal, or displaying the verification failing message according to the verification failing information returned by the background management terminal.
In one embodiment, the background management terminal further comprises an image preprocessing unit;
the image preprocessing unit is used for preprocessing the received first visitor face image and the second visitor face image.
In the above embodiment, the acquired first visitor face image and the acquired second visitor face image are acquired by different terminal devices in different environments, so that the accuracy of finally performing visitor identity recognition according to the images may be reduced due to influence factors of image acquisition environments;
therefore, the background management terminal is further provided with an image preprocessing unit, and meanwhile, received first visitor face images and second visitor face images are preprocessed, so that on one hand, the quality of the images can be effectively improved, and on the other hand, the display effect of the images can be unified, the influence on the images caused by the acquisition environment is reduced, and the adaptability of carrying out visitor identity matching verification based on the face images is improved.
In one embodiment, an image and processing unit for preprocessing a first visitor face image and a second visitor face image received comprises:
taking the received first visitor face image or the second visitor face image as a target image;
converting the target image from an RGB color space to an LAB color space, and respectively obtaining a brightness component L, a color component A and a color component B of the target image;
the equivalent amplitude of the brightness component image of the target image is the same brightness component L 1 And a luminance component L 2 ；
For luminance component L 1 Performing brightness enhancement processing based on the whole situation to obtain enhanced brightness component Delta L 1 ；
For luminance component L 2 Local brightness enhancement processing is performed to obtain an enhanced brightness component DeltaL 2 ；
From the enhanced luminance component Δ L 1 And an enhanced luminance component Δ L 2 Performing fusion processing to obtain an enhanced brightness component delta L;
and reconstructing according to the enhanced brightness component delta L, the color component A and the color component B, and outputting the preprocessed target image.
In the embodiment, the brightness information of the face images acquired under different environments is considered as an important influence factor causing image distinction, so that a preprocessing technical scheme for enhancing the brightness of the first visitor face image and the second visitor face image is provided, which is beneficial to unifying the brightness performance of the images acquired under different environmental factors, improves the uniformity of the images and lays a foundation for subsequently identifying the identity of a visitor according to the face images. According to the technical scheme of the image brightness enhancement preprocessing, the brightness components are subjected to global brightness enhancement processing and local brightness enhancement processing respectively based on the Lab color space, and the image brightness can be adjusted from the whole to the local simultaneously, so that the image brightness tends to be in a proper interval, and the image quality is improved.
In one embodiment, the image and processing unit processes the luminance component L 1 Performing global-based brightness enhancement processing, comprising:
according to the luminance component L 1 Processing the brightness component value of each pixel point by adopting a global brightness enhancement function, wherein the adopted global brightness enhancement function is as follows:
in the formula,. DELTA.L 1 (x, y) represents the luminance component value of the pixel (x, y) after the global luminance enhancement processing, L 1 (x, y) denotes a luminance component L 1 The brightness component value of the middle pixel point (x, y), alpha represents the set adjustment factor, beta 1 Representing a change factor of the setting, where 1 ∈[0.1，1]，
Representing a luminance component L 1 Mean value of luminance component values of pixels in the group, sigma, represents luminance component L 1 The standard deviation of the brightness component value of each pixel point in the image;
according to the brightness component value delta L of each pixel point (x, y) after the global brightness enhancement processing 1 (x, y) obtaining an enhanced luminance component Δ L 1 。
In the above embodiment, an improved global brightness enhancement function is proposed to adjust the global brightness of the human face image, where the first half of the function is proposed to be an adaptive brightness adjustment part, which can adaptively adjust the overall brightness of the image to a suitable target interval according to the overall brightness characteristic in the image; meanwhile, the rear half part is combined with a gamma brightness adjusting mode to comprehensively adjust the overall brightness in the image, so that the overall brightness of the image tends to be adjusted in a proper interval, and the brightness uniformity of each target image is improved.
In one embodiment, in the image and processing unit, the adjustment factor α is obtained by:
according to the luminance component L 1 The brightness component values of all the pixel points are sequenced from large to small to obtain the brightness component value sequence
Wherein N represents the luminance component L 1 The total number of the middle pixel points;
wherein, alpha represents a regulation factor,
representing rows in a sequence of values of a luminance component
The size of each luma component value;
representing rows in a sequence of values of a luminance component
The size of the individual luma component values.
Meanwhile, a self-adaptive setting adjustment factor setting method is also provided, which can reflect the brightness characteristic in the image according to the brightness component value sequence of each pixel point, thereby setting the corresponding adjustment factor size and improving the adaptability effect of the technical scheme aiming at the whole brightness adjustment.
In one embodiment, the image and processing unit processes the luminance component L 2 Performing a local-based luminance enhancement process comprising:
for the luminance component L 2 Sequentially traversing the brightness division by adopting the m multiplied by m enhanced window psiQuantity L 2 Performing local brightness enhancement processing on the central pixel point of the enhancement window psi in the traversal process;
the processing function of the enhancement window for the central pixel point is as follows:
in the formula,. DELTA.L 2 (x, y) represents a luminance component value, L, of the pixel point (x, y) after the local luminance enhancement processing 2 (x, y) denotes a luminance component L 2 Value of the luminance component, L, of the middle pixel (x, y) 2 (Ψ) represents the mean value of the luminance components, L, of the pixels contained in the enhancement window when the central pixel of the enhancement window is aligned with (x, y) 2 (i, j) represents the luminance component value, ω, of the pixel point (i, j) in the enhancement window 1 Indicating a set adjustment factor, where ω 1 ＜1；
According to the brightness component value delta L of each pixel point (x, y) after the local brightness enhancement processing 2 (x, y) obtaining an enhanced luminance component Δ L 2 。
Preferably, m =3,5,7.
In the above embodiment, an improved local brightness adjustment processing technical scheme is provided, in which traversal processing is performed by setting an enhancement window, and in the traversal process, a local neighborhood of a central pixel is used as a processing influence parameter, so that brightness adjustment processing is effectively performed according to local characteristics of the pixel, local brightness characteristics are retained to the maximum extent, and distortion of an image due to transition adjustment is avoided.
In one embodiment, the luminance component Δ L is enhanced according to 1 And an enhanced luminance component Δ L 2 Performing a fusion process comprising:
the fusion function used is:
ΔL＝μ 1 ×ΔL 1 +μ 2 ×ΔL 2
wherein Δ L represents the enhanced luminance component after fusion, and Δ L 1 Representing global brightness enhancementProcessed luminance component, Δ L 2 Representing the luminance component, μ, after local luminance enhancement processing 1 And mu 2 Represents a weight adjustment factor, wherein 1 ，μ 2 ∈[0.3，0.7]，μ 1 +μ 2 ∈[0.9，1.1]。
The processing results of global brightness adjustment and local brightness adjustment are integrated for fusion, so that the local brightness characteristics of the image are retained to the maximum extent while the overall brightness of the image tends to a verification interval, thereby being beneficial to reflecting the characteristics of the face part, and the system further provides guarantee for further processing or displaying according to the face image.
In one embodiment, the authentication unit comprises:
and when the similarity between the acquired characteristic parameters and the characteristic parameters corresponding to the first visitor face image prestored in the temporary access database is greater than 90%, judging that the visitor identity information corresponding to the second visitor face image and the first visitor face image is successfully matched, and outputting a visitor identity matching result.
The invention also provides a smart traffic management method, which is based on the smart traffic management access control system provided by any one of the embodiments of the first aspect; the method comprises the following steps:
the method comprises the steps that an intelligent interaction terminal obtains an access request of a visitor and sends the obtained access request information to a background management terminal, wherein the access request comprises access object information and visitor information, and the visitor information comprises a first visitor face image;
the background management terminal forwards the access request to an object terminal of a corresponding access object;
the object terminal checks the received access request and transmits a checking result to the background management terminal;
the background management terminal also inputs the corresponding access object information and visitor information in the access request into a temporary access database according to the auditing result returned by the object terminal;
the first access control terminal acquires a second visitor face image and sends a verification request to the background management terminal, wherein the verification request comprises the second visitor face image and the identification information of the first access control terminal;
the background management terminal also carries out matching verification according to the acquired second visitor face image and the first visitor face image stored in the temporary access database, acquires corresponding visitor identity information after matching is passed, further carries out permission matching verification according to access object information corresponding to the visitor identity information and identification information of the first access control terminal, returns verification passing information to the first access control terminal after permission matching verification is passed, and the first access control terminal opens corresponding access control equipment according to the received verification passing information.
Meanwhile, the method is corresponding to the functions realized by each terminal, module and unit in the intelligent traffic management access control system, and repeated description is omitted in the application.
It should be noted that, functional units/modules in the embodiments of the present invention may be integrated into one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules are integrated into one unit/module. The integrated units/modules may be implemented in the form of hardware, or may be implemented in the form of software functional units/modules.
From the above description of embodiments, it is clear for a person skilled in the art that the embodiments described herein can be implemented in hardware, software, firmware, middleware, code or any appropriate combination thereof. For a hardware implementation, a processor may be implemented in one or more of the following units: an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, other electronic units designed to perform the functions described herein, or a combination thereof. For a software implementation, some or all of the procedures of an embodiment may be performed by a computer program instructing associated hardware. In practice, the program may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. Computer-readable media can include, but is not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be analyzed by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The intelligent traffic management access control system is characterized by comprising an intelligent interaction terminal, a background management terminal, an object terminal and a first access control terminal; wherein
The intelligent interaction terminal is used for acquiring an access request of a visitor and sending the acquired access request information to the background management terminal, wherein the access request comprises access object information and visitor information, and the visitor information comprises a first visitor face image;
the background management terminal is used for forwarding the access request to the object terminal of the corresponding access object;
the object terminal is used for auditing the received access request and transmitting an auditing result to the background management terminal;
the background management terminal is also used for inputting the corresponding access object information and visitor information in the access request into the temporary access database according to the auditing result returned by the object terminal;
the first access control terminal is used for acquiring a second visitor face image and sending a verification request to the background management terminal, wherein the verification request comprises the second visitor face image and the identification information of the first access control terminal;
the background management terminal is also used for carrying out matching verification according to the acquired second visitor face image and the first visitor face image stored in the temporary access database, acquiring corresponding visitor identity information after matching is passed, further carrying out permission matching verification according to access object information corresponding to the visitor identity information and identification information of the first access control terminal, returning verification passing information to the first access control terminal after the permission matching verification is passed, and opening corresponding access control equipment by the first access control terminal according to the received verification passing information;
the background management terminal also comprises an image preprocessing unit;
the image preprocessing unit is used for preprocessing the received first visitor face image and the second visitor face image, and specifically comprises: taking the received first visitor face image or the second visitor face image as a target image;
converting the target image from an RGB color space to an LAB color space, and respectively acquiring a brightness component L, a color component A and a color component B of the target image;
equivalently copying the brightness component image of the target image into the same brightness component L 1 And a luminance component L 2 ；
For luminance component L 1 Performing brightness enhancement processing based on the whole situation to obtain enhanced brightness component Delta L 1 ；
For luminance component L 2 Performing local brightness enhancement to obtain enhanced brightness component Δ L 2 ；
From the enhanced luminance component Δ L 1 And an enhanced luminance component Δ L 2 Performing fusion processing to obtain an enhanced brightness component delta L;
reconstructing according to the enhanced brightness component delta L, the color component A and the color component B, and outputting a preprocessed target image;
in the image preprocessing unit, the luminance component L is processed 1 Performing global-based brightness enhancement processing, comprising:
according to the luminance component L 1 Processing the brightness component value of each pixel point by adopting a global brightness enhancement function, wherein the adopted global brightness enhancement function is as follows:
in the formula,. DELTA.L 1 (x, y) represents the luminance component value of the pixel (x, y) after the global luminance enhancement processing, L 1 (x, y) denotes a luminance component L 1 The brightness component value of the middle pixel point (x, y), alpha represents the set adjustment factor, beta 1 Representing a change factor of the setting, where 1 ∈[0.1，1]，
Representing a luminance component L 1 Mean value of luminance component values of pixels in the group, sigma, represents luminance component L 1 The standard deviation of the brightness component value of each pixel point in the image;
according to the brightness component value delta L of each pixel point (x, y) after the global brightness enhancement processing 1 (x, y) obtaining an enhanced luminance component Δ L 1 ；
In the image preprocessing unit, the luminance component L is processed 2 Performing a local-based brightness enhancement process comprising:
for the luminance component L 2 Traversing the luminance components L in sequence using the m x m enhancement window Ψ 2 Performing local brightness enhancement processing on a central pixel point of the enhancement window psi in the traversal process;
the processing function of the enhancement window for the center pixel point thereof is as follows:
in the formula,. DELTA.L 2 (x, y) represents a luminance component value, L, of the pixel point (x, y) after the local luminance enhancement processing 2 (x, y) denotes a luminance component L 2 Value of the luminance component, L, of the middle pixel (x, y) 2 (Ψ) represents the mean value of the luminance components, L, of the pixels contained in the enhancement window when the central pixel of the enhancement window is aligned with (x, y) 2 (i, j) represents the luminance component value, ω, of the pixel point (i, j) in the enhancement window 1 Indicating a set adjustment factor, where ω 1 ＜1；
According to the brightness component value delta L of each pixel point (x, y) after the local brightness enhancement processing 2 (x, y) obtaining an enhanced luminance component Δ L 2 ；
From the enhanced luminance component Δ L 1 And an enhanced luminance component Δ L 2 Performing a fusion process comprising:
the fusion function used therein is:
ΔL＝μ 1 ×ΔL 1 +μ 2 ×ΔL 2
wherein Δ L represents the enhanced luminance component after fusion, and Δ L 1 Representing the luminance component after global luminance enhancement processing, Δ L 2 Representing the luminance component, μ, after local luminance enhancement processing 1 And mu 2 Represents a weight adjustment factor, wherein 1 ，μ 2 ∈[0.3，0.7]，μ 1 +μ 2 ∈[0.9，1.1]。
2. The intelligent traffic management access control system according to claim 1, wherein the first access control terminals are disposed in one-to-one correspondence with the access devices.
3. The intelligent traffic management access control system according to claim 1, further comprising a second access control terminal;
the background management terminal also comprises: sending a control instruction to a second gate inhibition control terminal according to an audit result returned by the object terminal;
and the second access control terminal is used for opening the corresponding access control equipment according to the received control instruction.
4. The intelligent traffic management access control system according to claim 1, wherein the intelligent interactive terminal comprises a registration unit, a first image acquisition unit and a transmission unit;
the registration unit is used for the visitor to enter an access form, wherein the access form comprises access object information, visitor information and the like;
the first image acquisition unit is used for acquiring a face image of a visitor as a first face image when the visitor initiates an access request;
the transmission unit is used for sending an access request generated according to the access form and the first face image to the background management terminal.
5. The intelligent traffic management access control system according to claim 4, wherein the object terminal includes an auditing unit;
the auditing unit is used for auditing the access request sent by the background management terminal, and comprises an access form and a first face image which are displayed in the access request, so that an administrator of an access object can audit the access request and input an auditing result, and then the auditing result is sent to the background management terminal.
6. The intelligent traffic management access control system according to claim 5, wherein the background management terminal comprises a forwarding unit, an entry unit, an identity verification unit and an authority verification unit; wherein
The forwarding unit is used for sending the access request to an object terminal corresponding to the access object according to the received access request and the access object information contained in the access request;
the input unit is used for inputting the access object information and the first visitor face image contained in the access request into the temporary access database according to the auditing result returned by the object terminal when the auditing result is that the auditing is passed, and displaying a corresponding auditing non-passing message when the auditing result is that the auditing is not passed;
the identity verification unit is used for performing matching verification according to a second visitor face image in a verification request sent by the first access control terminal and a first visitor face image stored in the temporary access database, and outputting a visitor identity matching result, wherein the visitor identity matching result comprises whether a matched visitor exists and corresponding matched visitor identity information;
the permission verification unit is used for further returning verification passing information to the first access control terminal if the permission matching relationship exists between the access object corresponding to the matched visitor identity information and the identification information of the first access control terminal corresponding to the verification request when the visitor identity verification result has the matched visitor, or else returning verification failing information to the first access control terminal.
7. The intelligent traffic management access control system according to claim 6, wherein the first access control terminal comprises a second image acquisition unit and a control unit;
the second image acquisition unit is used for acquiring a second visitor face image of the visitor and sending the acquired second visitor face image to the background management terminal;
the control unit is used for controlling the corresponding access control equipment to be opened according to the verification passing information returned by the background management terminal, or displaying the verification failing message according to the verification failing information returned by the background management terminal.
8. The intelligent traffic management access control system according to claim 6, wherein the authentication unit comprises:
and when the similarity between the acquired characteristic parameters and the characteristic parameters corresponding to the first visitor face image prestored in the temporary access database is greater than 90%, judging that the matching between the second visitor face image and the visitor identity information corresponding to the first visitor face image is successful, and outputting a visitor identity matching result.
9. A method for intelligent traffic management, which is based on the intelligent traffic management access control system of any one of claims 1-8; the method comprises the following steps:
the method comprises the steps that an intelligent interaction terminal obtains an access request of a visitor and sends the obtained access request information to a background management terminal, wherein the access request comprises access object information and visitor information, and the visitor information comprises a first visitor face image;
the background management terminal forwards the access request to an object terminal of a corresponding access object;
the object terminal checks the received access request and transmits a checking result to the background management terminal;
the background management terminal also inputs the corresponding access object information and visitor information in the access request into a temporary access database according to the auditing result returned by the object terminal;
the first access control terminal acquires a second visitor face image and sends a verification request to the background management terminal, wherein the verification request comprises the second visitor face image and the identification information of the first access control terminal;
the background management terminal also carries out matching verification according to the acquired second visitor face image and the first visitor face image stored in the temporary access database, acquires corresponding visitor identity information after matching is passed, further carries out permission matching verification according to access object information corresponding to the visitor identity information and identification information of the first access control terminal, returns verification passing information to the first access control terminal after permission matching verification is passed, and the first access control terminal opens corresponding access control equipment according to the received verification passing information.
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