CN114397712A - Differentiated security check method and system for urban rail transit - Google Patents
Differentiated security check method and system for urban rail transit Download PDFInfo
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Abstract
The invention discloses a differentiated security inspection method and a differentiated security inspection system for urban rail transit, and belongs to the technical field of security inspection. The method comprises the following steps: s10, acquiring real-name authentication information of passengers, and storing the information in an identification database; s20, according to whether the passenger information is in the identification database, shunting the passenger needing security inspection according to the real-name authentication passenger and the non-real-name authentication passenger; s30, differential security check is carried out on the shunted passengers, wherein quick security check is carried out on real-name authenticated passengers, and conventional security check is carried out on non-real-name authenticated passengers; and S40, returning the security check information of the real-name authenticated passenger to the identification database, and removing the passenger information with dangerous behaviors in the security check information from the identification database. According to the invention, through carrying out real-name authentication or not, the passengers are classified and shunted, and a differentiated security inspection mode is adopted, so that passengers detained in a station can be effectively reduced, the passing efficiency of the passengers is improved, the queuing waiting time of the passengers is shortened, and the service level is improved.
Description
Technical Field
The invention belongs to the technical field of security inspection, and particularly relates to a differential security inspection method and a differential security inspection system for urban rail transit.
Background
With the continuous acceleration of the urbanization process and the continuous expansion of the scale of the rail transit network, the urban rail transit serving as an important component of an urban public transit system becomes an important means for relieving traffic congestion, and the rail transit has a main function of providing travel service for passengers, so that the passengers are the primary factor to be considered in the rail transit design.
The passenger station-entering relates to actions of ticket buying, security inspection, queue waiting, ticket checking and the like, wherein the security inspection service level directly influences the attraction of rail transit to passengers, the conventional security inspection mode requires that each passenger sequentially passes through the security inspection, and the security inspection of the whole personnel influences the passing efficiency of the passengers, so that the station-entering time of the passengers is increased.
Through retrieval, the Chinese patent publication number: CN 207867532U; the publication date is as follows: 9 month and 14 days 2018; disclosed are a system and a classification security check point for completing subway classification security check through real-name registration, the system comprising: the real-name authentication device is used for assisting in completing real-name authentication; the public security department device is used for sending identity information and blacklist information to the security check operation management device and receiving target information sent by the security check operation management device in real time; the third party device is used for sending third party data to the security check operation management device; and the security check operation management device is used for classifying the users according to the blacklist information and the third-party data to obtain a classification result, so that the users enter the target security check channel according to the classification result to perform security check. The system of classified security inspection is adopted to improve passenger passing efficiency, but the system of the application is complex in process of implementation, limited in improvement of passing efficiency, and still has great burden in implementation and application under peak time people flow.
Disclosure of Invention
In order to solve at least one of the above technical problems, according to an aspect of the present invention, there is provided a differentiated security inspection method for urban rail transit, including the following steps:
s10, acquiring real-name authentication information of passengers, and storing the information in an identification database;
s20, according to whether the passenger information is in the identification database, shunting the passenger needing security inspection according to the real-name authentication passenger and the non-real-name authentication passenger;
and S30, carrying out differential security check on the shunted passengers, wherein quick security check is carried out on real-name authenticated passengers, and conventional security check is carried out on non-real-name authenticated passengers.
According to the differentiated security inspection method for urban rail transit, the method optionally further comprises the following steps:
and S40, returning the security check information of the real-name authenticated passenger to the identification database, and removing the passenger information with dangerous behaviors in the security check information from the identification database.
According to the differentiated security check method for urban rail transit in the embodiment of the present invention, optionally, the rapid security check in step S3 includes performing a random spot check, a small package non-check, and a large package check mode on real-name authenticated passengers.
According to the differentiated safety check method for urban rail transit in the embodiment of the invention, optionally, in the step S2, passenger information is identified by comparing face information.
According to the differentiated security check method for urban rail transit in the embodiment of the present invention, optionally, in step S3, the rapid security check and the conventional security check both use the YOLO model method for contraband target detection.
According to the differentiated security inspection method for urban rail transit in the embodiment of the present invention, optionally, the YOLO model method includes:
s31, preprocessing, setting the image containing the passenger carrying articles to 448 x 448, extracting the depth features of the carrying articles by using a CSPDarknet53 trunk feature extraction network, sending the feature vectors to SPP and PANET for predicting and outputting the features, and predicting and outputting the features of three scales;
s32, detecting, namely dividing the preprocessed image into S multiplied by S grids, wherein the grid where the center coordinates of the article are located in the image is responsible for detecting, the output dimension of the detection network is S multiplied by [ B multiplied by (5+ C) ], wherein B is the number of three predicted frames, 5 is the position parameter and confidence coefficient included by each frame, C is the class probability, the predicted class confidence coefficient Conf (object) is obtained,
wherein Pr (object) indicates whether there is contraband in the prediction frame, if Pr (object) is 1, if not Pr (object) is 0,
characterizing the accuracy of the bounding box;
and S33, processing the prediction result, namely processing the prediction result of each scale by using an NMS algorithm, finding the optimal target boundary box, eliminating redundant boundary boxes and obtaining the position information of the forbidden articles in the image.
According to the differentiated security inspection method for urban rail transit in the embodiment of the present invention, optionally, in step S3, when the time is in a peak period, a fast security inspection is performed on the real-name authenticated passenger, and when the time is in a flat peak period, a conventional security inspection is performed on the real-name authenticated passenger.
According to another aspect of the present invention, there is provided an urban rail transit differential security inspection system, including:
the system comprises a real-name authentication channel, a common channel, X-ray security check equipment and a detection door;
the real-name authentication channel and the common channel are arranged in parallel, the real-name authentication channel is used for authenticating passengers through real names, and the common channel is used for authenticating passengers through non-real names;
an identification road section and a face identification system are arranged at the entrance of the real-name authentication channel and are used for identifying whether the passenger is in an identification database;
the X-ray security check equipment is used for detecting whether forbidden articles exist in carried articles of passengers in a real-name authentication channel and a common channel;
the detection doors are arranged in the real-name authentication channel and the common channel respectively and used for detecting whether the passengers entering the channel carry metal objects or not and counting the passing number of the passengers.
According to the differentiated security check system for urban rail transit provided by the embodiment of the invention, optionally, the real-name authentication channel and the common channel share one set of X-ray security check equipment.
According to the urban rail transit differential security inspection system provided by the embodiment of the invention, optionally, when the time is in the peak leveling period, the real-name authentication channel can enter the non-real-name authentication passenger and execute the conventional security inspection, and the face recognition system continuously collects the face information of the passenger in the channel and is used for perfecting the recognition database.
Advantageous effects
Compared with the prior art, the invention at least has the following beneficial effects:
(1) compared with the existing single passenger security check channel, the invention adds a real-name authentication rapid security check channel for passenger shunting, can obviously improve the security check speed, and can realize the safe passing of more than 1800 persons/hour in the station peak period;
(2) the invention implements the rapid security standard for real-name authenticated passengers, thereby facilitating the real-name authenticated passengers to pass quickly, being beneficial to passenger information management, and effectively relieving the 'energy' contradiction caused by insufficient security personnel and equipment capacity in large-scale passenger flow;
(3) according to the invention, the optimized YOLO model is adopted to carry out intelligent detection on the contraband, so that the problems of insufficient and excessive fatigue of security inspection personnel and false detection and missing detection caused by the insufficient and excessive fatigue can be solved, the identification rate of the contraband is improved, and the working efficiency of the system is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.
FIG. 1 shows a flow chart of the differentiated security inspection method for urban rail transit of the invention;
fig. 2 shows a schematic diagram of the urban rail transit differential security inspection system of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The existing security check mode requires that each passenger sequentially passes through security check, and the large bags and the small bags of the passengers are checked through X-ray security check equipment, so that the passing efficiency of the passengers is influenced by the security check mode of the whole staff in the peak time with large passenger flow, the arrival time of the passengers is increased, and the passengers are gathered and blocked.
Example 1
The differentiated security inspection method for urban rail transit, disclosed by the invention, comprises the following steps as shown in figure 1:
s10, acquiring real-name authentication information of passengers, and storing the information in an identification database;
before the passenger enters the station, the passenger carries out evaluation and authentication in the database, and the identity information and the corresponding face information are recorded and stored in the identification database.
S20, according to whether the passenger information is in the identification database, shunting the passenger needing security inspection according to the real-name authentication passenger and the non-real-name authentication passenger;
when passenger's safety inspection is got into the station, according to whether carrying out real name authentication and shunting the passenger, judge whether the passenger is in and adopt face information to compare and carry out passenger information identification in the discernment database, compare the passenger face information characteristic of gathering in real time and the information of discernment database, adopt 1 to compare the storehouse: and (3) identifying the N thousands of faces, wherein the identification response time is less than or equal to 0.5s, entering the real-name authentication passenger stream for the identified passengers in the identification database, and leading the identified passengers not in the identification database to enter the non-real-name authentication passenger stream by a worker.
S30, differential security check is carried out on the shunted passengers, wherein quick security check is carried out on real-name authenticated passengers, and conventional security check is carried out on non-real-name authenticated passengers;
the fast security check of the real-name authenticated passenger refers to random spot check of the passenger with the real-name authenticated passenger flow, wherein the passenger with the real-name authenticated passenger flow is not checked in a small package and is checked in a large package;
the conventional security check of the non-real-name authenticated passenger refers to the security check of the passengers with the non-real-name authenticated passenger flow, and the passengers are checked in small bags and large bags;
the above-mentioned inspection is to check whether the passenger carries the article and contains contraband, specifically adopt YOLO model law to carry out contraband object detection, and the YOLO model law includes:
s31, preprocessing, setting the image containing the passenger carrying articles to 448 x 448, extracting the depth features of the carrying articles by using a CSPDarknet53 trunk feature extraction network, sending the feature vectors to SPP and PANET for predicting and outputting the features, and predicting and outputting the features of three scales;
the characteristics output by the three-scale prediction can detect object images with different sizes in a complex scene, so that the accuracy of the model is improved;
s32, detecting, namely dividing the preprocessed image into S multiplied by S grids, wherein the grid where the center coordinates of the article are located in the image is responsible for detecting, the output dimension of the detection network is S multiplied by [ B multiplied by (5+ C) ], wherein B is the number of three predicted frames, 5 is the position parameter and confidence coefficient included by each frame, C is the class probability, the predicted class confidence coefficient Conf (object) is obtained,
wherein Pr (object) indicates whether there is contraband in the prediction frame, if Pr (object) is 1, if not Pr (object) is 0,
representing the accuracy of the boundary box, which is an important index for measuring the prediction accuracy;
and S33, processing the prediction result, namely processing the prediction result of each scale by using an NMS algorithm, finding the optimal target boundary box, eliminating redundant boundary boxes and obtaining the position information of the forbidden articles in the image.
S40, the security check information of the real-name authenticated passenger is transmitted back to the identification database, and the passenger information with dangerous behaviors in the security check information is removed from the identification database;
when the passengers with real-name authenticated passenger streams are subjected to spot check, if the passengers are detected to carry contraband, secondary security check is required, the information of the passengers is marked and deleted in the identification database, and the subsequent passengers recover the real-name authenticated qualification and need to re-evaluate authentication.
According to the differentiated security inspection method for urban rail transit, incoming passengers are classified and shunted according to real-name authentication, differentiated security inspection is carried out on different shunts, the security inspection incoming efficiency can be greatly improved, the 'capacity' contradiction caused by insufficient security inspection personnel and equipment capacity in large-scale passenger flow is effectively relieved, the security inspection speed is obviously improved, furthermore, the optimized YOLO model method is matched for detecting contraband, the method has higher contraband identification rate, the false inspection and the omission factor are reduced, and the security guarantee of the incoming passengers is improved.
Example 2
The differentiated security inspection system for urban rail transit according to the embodiment, as shown in fig. 2, includes:
real name authentication channel, ordinary passageway, X-ray safety inspection equipment and detection door.
Real name authentication passageway and ordinary passageway are parallel to each other and arrange side by side, real name authentication passageway is used for passing through real name authentication passenger to executive personnel selective examination, packet do not examine and the standard of big packet inspection, ordinary passageway is used for passing through non-real name authentication passenger, and executive personnel examines entirely, and the standard of big packet of packet inspection is all.
An identification road section and a face identification system are arranged at the entrance of the real-name authentication channel and are used for identifying whether the passenger is in an identification database;
the passenger gets into the discernment highway section of real name authentication passageway entry through the guide sign, and face identification system carries out face detection, face identification, face tracking function, catches current access passageway passenger's face image with the camera to with current face image file generation face line code, compare with the discernment database stock with current face line code, compare the storehouse and adopt 1: n ten thousand face recognition, the system recognition response time is less than or equal to 0.5s, a special passage door is arranged at the tail end of the recognition road section, when the recognition meets the execution standard, the special passage door is opened, the passenger is prompted to pass in a voice or light mode, when the recognition fails, the special passage door is closed, the security check worker guides the passenger to leave the recognition road section, and the passenger enters the station through the security check of a common passage;
further, the length of the identification section setting needs to provide sufficient identification time for the face identification system.
The X-ray security check equipment is used for detecting whether forbidden articles exist in carried articles of passengers in a real-name authentication channel and a common channel;
in this embodiment, the common channel and the real-name authentication channel are arranged in parallel at the station entrance, a half-height rail can be used between the two channels for isolation, or order maintenance is performed by using a warning band and the like, and a set of X-ray security inspection equipment is shared, a security inspection system of the X-ray security inspection equipment adopts a YOLO model law for contraband target detection, and has an intelligent image recognizing and judging function, so that the objects in the X-ray security inspection equipment are automatically subjected to image acquisition, the processing work of image cleaning, filtering, labeling and the like is completed, meanwhile, the contraband objects in the images are detected and alarmed, the positions and the types of the contraband objects are marked out in the images, and the security inspection intelligent system deeply learns the acquired data, thereby realizing the functions of image acquisition, image preprocessing, target detection, contraband object detection, contraband early warning and the like for detecting the contraband objects carried by passengers, reducing space occupation, and improving inspection efficiency.
The detection doors are two and are respectively arranged at the entrances of the real-name authentication channel and the common channel and used for detecting whether the passengers entering the channel carry metal objects or not and counting the passing number of the passengers.
Furthermore, the real-name authentication channel is mainly used in the morning and evening peak hours to relieve the entering pressure of the morning and evening peaks, and the special channel door is opened in the peak balancing period and can be used as a common passenger channel, and meanwhile, the face recognition system continuously works to collect the information of passengers entering the station.
The differentiated security inspection system for urban rail transit of the embodiment is implemented specifically as follows:
when a passenger arrives at a station hall layer, according to a guide identifier, selecting a corresponding channel for security check according to whether the passenger per se is subjected to real-name authentication or not, and when the passenger who selects the real-name authentication channel enters, the passenger needs to pass the check of an identification road section and a face identification system;
the passengers in the common passage execute the conventional security inspection standard, when in security inspection, the passengers sequentially enter the passage, the passengers sequentially put luggage articles on a conveying belt of an X-ray security inspection device according to requirements, an operator distinguishes the shapes and the types of the articles in the detected luggage image on a monitor of the security inspection device, inspects whether the articles carry contraband articles, detects whether the passengers carry metal articles or not through a detection door and counts the number of passing persons and the number of alarming persons, and if the detection door gives an alarm, the manual inspector performs secondary inspection on the passing passengers;
the passengers in the real-name authentication passage execute a rapid security check standard, the passengers passing through the special passage door are checked in a sampling mode, small bags are not checked, large bags are checked, the passengers which are not taken out or carry luggage and small bags can pass continuously, the passengers are checked in a card swiping mode after being detected by a detection door, the luggage objects are placed on an X-ray security check equipment conveyor belt according to requirements for the taken passengers, an operator distinguishes the shapes and the types of the objects in the checked luggage images on a security check equipment monitor, checks whether the passengers carry prohibited objects or not, then the passengers are detected whether the passengers carry metal objects or not and counts the number of passing people and the number of alarming people through the detection door, and if the detection door gives an alarm, the passengers are subjected to secondary check by a hand inspector; the passenger who finds that contraband is carried in the security inspection in the real-name authentication channel needs to be subjected to secondary security inspection, is processed by security inspection personnel, marks and deletes the information of the passenger from the identification database, needs to be reevaluated and authenticated after the real-name authentication qualification is recovered, and cannot enter the station through the real-name authentication channel before the passenger is not reedentified; when the time is in the peak-off period, the real-name authentication channel also executes the conventional security check standard, and can access the passengers which are not authenticated by real names, at the moment, the face recognition system is continuously started, and the face information of the passengers in the channel is collected for perfecting the recognition database.
The examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A differentiated security inspection method for urban rail transit is characterized by comprising the following steps:
s10, acquiring real-name authentication information of passengers, and storing the information in an identification database;
s20, according to whether the passenger information is in the identification database, shunting the passenger needing security inspection according to the real-name authentication passenger and the non-real-name authentication passenger;
and S30, carrying out differential security check on the shunted passengers, wherein quick security check is carried out on real-name authenticated passengers, and conventional security check is carried out on non-real-name authenticated passengers.
2. The differentiated security inspection method for urban rail transit according to claim 1, wherein after the step S3, the method further comprises:
and S40, returning the security check information of the real-name authenticated passenger to the identification database, and removing the passenger information with dangerous behaviors in the security check information from the identification database.
3. The urban rail transit differential security inspection method according to claim 1 or 2, characterized in that: the rapid security check in the step S3 includes performing a random spot check, a small package check, and a large package check mode on the real-name authenticated passenger.
4. The urban rail transit differential security inspection method according to claim 1 or 2, characterized in that: in step S2, passenger information is identified by comparing face information.
5. The urban rail transit differential security inspection method according to claim 1 or 2, characterized in that: in the step S3, the YOLO model method is adopted for both the rapid security inspection and the conventional security inspection to detect contraband targets.
6. The differentiated security inspection method for urban rail transit according to claim 5, wherein the YOLO model method comprises:
s31, preprocessing, setting the image containing the passenger carrying articles to 448 x 448, extracting the depth features of the carrying articles by using a CSPDarknet53 trunk feature extraction network, sending the feature vectors to SPP and PANET for predicting and outputting the features, and predicting and outputting the features of three scales;
s32, detecting, namely dividing the preprocessed image into S multiplied by S grids, wherein the grid where the center coordinates of the article are located in the image is responsible for detecting, the output dimension of the detection network is S multiplied by [ B multiplied by (5+ C) ], wherein B is the number of three predicted frames, 5 is the position parameter and confidence coefficient included by each frame, C is the class probability, the predicted class confidence coefficient Conf (object) is obtained,
wherein, Pr (ob)Project indicates whether there is contraband in the prediction frame, if there is Pr (project) 1, if there is not Pr (project) 0,
characterizing the accuracy of the bounding box;
and S33, processing the prediction result, namely processing the prediction result of each scale by using an NMS algorithm, finding the optimal target boundary box, eliminating redundant boundary boxes and obtaining the position information of the forbidden articles in the image.
7. The urban rail transit differential security inspection method according to claim 2, characterized in that: in step S3, when the time is in the peak time, the real-name authenticated passenger is performed with a quick security check, and when the time is in the peak time, the real-name authenticated passenger is performed with a regular security check.
8. An urban rail transit differential security inspection system is characterized in that the urban rail transit differential security inspection method based on any one of claims 1 to 7 comprises the following steps:
the system comprises a real-name authentication channel, a common channel, X-ray security check equipment and a detection door;
the real-name authentication channel and the common channel are arranged in parallel, the real-name authentication channel is used for authenticating passengers through real names, and the common channel is used for authenticating passengers through non-real names;
an identification road section and a face identification system are arranged at the entrance of the real-name authentication channel and are used for identifying whether the passenger is in an identification database;
the X-ray security check equipment is used for detecting whether forbidden articles exist in carried articles of passengers in a real-name authentication channel and a common channel;
the detection doors are arranged in the real-name authentication channel and the common channel respectively and used for detecting whether the passengers entering the channel carry metal objects or not and counting the passing number of the passengers.
9. The differentiated security inspection system for urban rail transit according to claim 8, wherein: the real-name authentication channel and the common channel share one set of X-ray security check equipment.
10. The differentiated security inspection system for urban rail transit according to claim 8, wherein: when the time is in the peak-off period, the real-name authentication channel can enter the non-real-name authentication passenger and execute the conventional security check, and the face recognition system continuously collects the face information of the passenger in the channel for perfecting the recognition database.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115131883A (en) * | 2022-06-29 | 2022-09-30 | 中铁第四勘察设计院集团有限公司 | Mutual trust passing method for security check of state railway and subway |
| CN115393994A (en) * | 2022-08-25 | 2022-11-25 | 中铁第四勘察设计院集团有限公司 | Rapid security inspection passing system for transfer in non-payment area of rail transit |
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2021
- 2021-12-23 CN CN202111609041.7A patent/CN114397712A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115131883A (en) * | 2022-06-29 | 2022-09-30 | 中铁第四勘察设计院集团有限公司 | Mutual trust passing method for security check of state railway and subway |
| CN115131883B (en) * | 2022-06-29 | 2023-11-28 | 中铁第四勘察设计院集团有限公司 | National railway and subway security check mutual trust passing method |
| CN115393994A (en) * | 2022-08-25 | 2022-11-25 | 中铁第四勘察设计院集团有限公司 | Rapid security inspection passing system for transfer in non-payment area of rail transit |
| CN115393994B (en) * | 2022-08-25 | 2023-12-19 | 中铁第四勘察设计院集团有限公司 | Rapid security inspection passing system for transfer in non-pay area of rail transit |
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