CN114162551B - Graph judging task control method for security inspection system and security inspection system - Google Patents

Graph judging task control method for security inspection system and security inspection system Download PDF

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Publication number
CN114162551B
CN114162551B CN202010953051.1A CN202010953051A CN114162551B CN 114162551 B CN114162551 B CN 114162551B CN 202010953051 A CN202010953051 A CN 202010953051A CN 114162551 B CN114162551 B CN 114162551B
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task
graph judging
time
graph
judging
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CN114162551A (en
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吴南南
薛天泊
吴凡
马艳芳
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Nuctech Co Ltd
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Nuctech Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
    • G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Control Of Conveyors (AREA)

Abstract

The disclosure provides a graph judging task control method for a security inspection system and the security inspection system. The method comprises the following steps: acquiring the real-time belt speed of at least one target conveyor belt and the luggage position of at least one luggage on the target conveyor belt; judging the residual graph judging time of the graph judging task corresponding to the row packet according to the real-time belt speed and the row packet position; and adjusting the distribution mode or the reminding information of the graph judging task according to the residual graph judging time corresponding to the at least one row packet. The embodiment of the disclosure can improve the distribution efficiency and the distribution accuracy of the remote graph judging task.

Description

Graph judging task control method for security inspection system and security inspection system
Technical Field
The disclosure relates to the technical field of electronic power, in particular to a graph judging task control method for a security inspection system and the security inspection system applying the method.
Background
The security inspection remote graph judging system is used for distributing graph judging tasks from a plurality of security inspection points to a plurality of graph judging terminals located at the same or different geographic positions so as to realize artificial intelligence graph judging or artificial graph judging, thereby effectively saving human resources and reducing the security inspection cost.
Because of differences among security inspection scenes, security inspection channels deployed at different security inspection points, and security inspection conveyor belts, the conventional security inspection remote image judging system determines task control time for image judging tasks from the security inspection points according to set parameters of the security inspection points, such as task allocation time reserved for the system and image judging task execution time reserved for image judging performers (artificial intelligence or security inspectors).
However, because the positions of the plurality of security inspection points are different, the facing scenes are different, the task densities are different, and the real-time load of the conveyor belt affects the belt speed, the belt speeds of the articles at different time points on the conveyor belt are different, and the actual mechanical belt speed and the set parameter of each security inspection point usually have different errors at different time points. Determining the time of the graph judging task, namely graph judging time according to set parameters (set belt speed), wherein when the actual belt speed is higher than the set belt speed, the object reaches a position allowing to be taken away before the set graph judging task time is finished, so that the object is taken away under the condition that the object is not determined to be safe; when the actual belt speed is slower than the set belt speed, the next article on the conveyor belt does not reach the position for triggering the image judging task after the image judging time is over, and when the image judging task performer only processes the image judging task from the conveyor belt, the image judging task performer is in a waiting state after the image judging task is performed at the set task execution time, so that each article cannot be reasonably inspected more carefully by using the actually relatively sufficient image judging time.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The present disclosure is directed to a chart task control method for a security inspection system and a chart task control device for a security inspection system, which are used to overcome the problem of inaccurate judgment of chart task time caused by the difference between the speed of a conveyor belt and set parameters, at least to a certain extent.
According to a first aspect of the embodiments of the present disclosure, a method for controlling a chart determination task of a security inspection system is provided, including: acquiring the real-time belt speed of at least one target conveyor belt and the luggage position of at least one luggage on the target conveyor belt; judging the residual graph judging time of the graph judging task corresponding to the row packet according to the real-time belt speed and the row packet position; and adjusting the distribution mode or the reminding information of the graph judging task according to the residual graph judging time corresponding to the at least one row packet.
In an exemplary embodiment of the present disclosure, the obtaining the real-time belt speed of at least one target conveyor belt and the pack position of at least one pack on the target conveyor belt comprises:
acquiring the rolling cycle number of the coding disc corresponding to the target conveyor belt;
and determining the real-time belt speed of the target conveyor belt according to the rolling cycle number and the perimeter of the coding disc.
In an exemplary embodiment of the present disclosure, the obtaining the real-time belt speed of at least one target conveyor belt and the pack position of at least one pack on the target conveyor belt comprises:
and acquiring the actual measurement speed of the velocimeter corresponding to the target conveyor belt.
In an exemplary embodiment of the present disclosure, the determining, according to the real-time belt speed and the packet position, the remaining graph determining time of the graph determining task corresponding to the packet includes:
determining the residual displacement of the target luggage according to the distance of the tail end edge of the rear protection plate of the target conveyor belt corresponding to the target luggage and the luggage position of the target luggage;
and determining the residual graph judging time of the target row packet according to the ratio of the residual displacement to the real-time belt speed of the target conveyor belt.
In an exemplary embodiment of the present disclosure, the adjusting, according to the remaining graph judging time corresponding to the at least one row packet, an allocation manner or a reminding message of the graph judging task includes:
determining at least one graph judging task to be allocated according to the graph judging task corresponding to the at least one row packet, wherein the remaining graph judging time corresponding to the graph judging task to be allocated is greater than a first preset value, and the first preset value is the sum of preset minimum graph judging time and preset minimum task allocation time;
and setting the distribution sequence of the at least one graph judging task to be distributed from small to large according to the residual graph judging time corresponding to the at least one graph judging task to be distributed.
In an exemplary embodiment of the present disclosure, the adjusting, according to the remaining graph judging time corresponding to the at least one row packet, an allocation manner or a reminding message of the graph judging task includes:
and deleting the graph judging task corresponding to the residual graph judging time when the residual graph judging time is less than or equal to the first preset value, and sending a graph judging task failure message.
In an exemplary embodiment of the present disclosure, the adjusting, according to the remaining graph judging time corresponding to the at least one row packet, an allocation manner or a reminding message of the graph judging task includes:
obtaining a plurality of residual graph judging time of a plurality of graph judging tasks currently operated by a plurality of graph judging terminals;
and when the remaining graph judging time of the graph judging task to be allocated is higher than the first preset value and lower than a second preset value, sending emergency task reminding information to the multiple graph judging terminals, wherein the second preset value is the sum of the first preset value and the minimum remaining graph judging time in the remaining graph judging time.
In an exemplary embodiment of the present disclosure, the adjusting, according to the remaining graph judging time corresponding to the at least one row packet, an allocation manner or a reminding message of the graph judging task includes:
when the graph judging task runs, adjusting graph judging task reminding information according to the remaining graph judging time of the graph judging task, wherein the graph judging task reminding information comprises countdown.
In an exemplary embodiment of the present disclosure, the reminding manner of the graph task reminding information at least includes a digital countdown, an information pop-up box, a progress bar, and a pie chart.
According to a second aspect of the embodiments of the present disclosure, there is provided a security inspection system including:
at least one conveyor belt;
a speed detection device corresponding to the conveyor belt;
the luggage position detection device corresponds to the conveyor belt;
at least one graph judging terminal;
and the central processing unit is in communication connection with the map judging terminal, the speed detection device and the luggage position detection device and is used for executing the map judging task control method.
In an exemplary embodiment of the present disclosure, the speed detecting device includes an encoder disk installed at a cross-sectional end of the power drum, a cross-sectional end of the steering drum, and a cross-sectional end of the direction-changing drum of the conveyor belt.
In an exemplary embodiment of the present disclosure, the speed detecting device includes a tachometer installed below a belt of the conveyor belt.
In an exemplary embodiment of the present disclosure, each of the conveyor belts corresponds to a plurality of speed meters, and the central processing unit determines a real-time belt speed of the conveyor belt according to data of the plurality of speed meters.
According to a third aspect of the embodiments of the present disclosure, there is provided a chart task control device for a security inspection system, including:
the data acquisition module is set to acquire the real-time belt speed of at least one target conveyor belt and the luggage position of at least one luggage on the target conveyor belt;
the residual graph judging time calculating module is used for judging the residual graph judging time of the graph judging task corresponding to the row package according to the real-time belt speed and the row package position;
and the task control module is set to adjust the distribution mode or the reminding information of the graph judging task according to the residual graph judging time corresponding to the at least one row packet.
According to a fourth aspect of the present disclosure, there is provided a computer-readable storage medium, on which a program is stored, the program, when executed by a processor, implementing the graph determination task control method for a security inspection system as described in any one of the above.
The method and the device for judging the graph in the safety inspection remote graph judging system have the advantages that the residual graph judging time of the graph judging task corresponding to each graph packet is calculated in real time by detecting the speed of the conveyor belt and the position of the graph packet in real time, and then the graph judging task is controlled and reminded according to the residual graph judging time, so that the reasonability of the distribution of the graph judging task can be effectively improved when the safety inspection remote graph judging system operates, the problem that the distribution of the graph judging task fails or the execution of the graph judging task fails due to the fact that the actual residual graph judging time is less than the estimated residual graph judging time can be avoided, other more urgent graph judging tasks can be reasonably arranged when the actual residual time is more abundant than the residual graph judging time, or the reminding information of the current task person is updated so as to avoid the current task person from being incapable of reasonably utilizing the relatively abundant graph judging time.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
Fig. 1 is a flowchart of a chart task control method for a security inspection system in an exemplary embodiment of the present disclosure.
Fig. 2 is a schematic diagram of a security inspection system 200 for performing the chart task control method 100.
Fig. 3 is a schematic view of the speed detecting device 2 in one embodiment.
Fig. 4 is a schematic view of the speed detecting device 2 in another embodiment.
FIG. 5 is a flow chart of adjusting the graph interpretation task according to the remaining graph interpretation time in one embodiment of the present disclosure.
Fig. 6 is a flow chart of sending emergency task reminder information in one embodiment of the present disclosure.
FIG. 7 is a diagram illustrating task reminder information in an embodiment of the present disclosure.
Fig. 8 is a flowchart of arbitration task control in yet another embodiment of the present disclosure.
Fig. 9 is a block diagram of a arbitration task control device according to an embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure.
Further, the drawings are merely schematic illustrations of the present disclosure, in which the same reference numerals denote the same or similar parts, and thus, a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The following detailed description of exemplary embodiments of the disclosure refers to the accompanying drawings.
Fig. 1 schematically illustrates a flowchart of a arbitration task control method for a security inspection system in an exemplary embodiment of the present disclosure. Referring to fig. 1, a method 100 for controlling a mapping task for a security inspection system may include:
step S102, acquiring the real-time belt speed of at least one target conveyor belt and the luggage position of at least one luggage on the target conveyor belt;
step S104, judging the residual graph judging time of the graph judging task corresponding to the row package according to the real-time belt speed and the row package position;
and step S106, adjusting the distribution mode or the reminding information of the graph judging task according to the residual graph judging time corresponding to the at least one row packet.
The method and the device for judging the images of the current task person can effectively improve the reasonability of image judging task allocation when a security inspection remote image judging system operates by detecting the speed of the conveyor belt and the positions of the image packets in real time and calculating the residual image judging time corresponding to each image packet in real time, and further control and remind the image judging tasks according to the residual image judging time, so that the image judging task allocation failure or the image judging task execution failure caused by the fact that the actual residual image judging time is less than the estimated residual image judging time can be avoided, other more urgent image judging tasks can be reasonably arranged when the actual residual time is more abundant than the estimated residual image judging time, or the reminding information of the current task person is updated to avoid the current task person from reasonably utilizing the relatively abundant image judging time.
Fig. 2 is a schematic diagram of a security inspection system 200 for performing the chart task control method 100.
Referring to fig. 2, the security check system 200 may include:
at least one conveyor belt 1;
a speed detection device 2 corresponding to the conveyor belt 1;
a luggage position detecting device 3 corresponding to the conveyor belt 1;
at least one graph judging terminal 4;
the central processing unit 5 is in communication connection with the speed detection device 2, the luggage position detection device 3 and the chart judgment terminal 4, and is used for executing the chart judgment task control method 100.
Fig. 3 is a schematic diagram of the speed detection device 2 in one embodiment.
Referring to fig. 3, the conveyor belt 1, as a transmission/conveying device of a security inspection machine, may mainly include a frame 11, a power roller 13 and a steering roller 14 respectively located at two ends of the frame 11, and a belt 12 sleeved on the power roller 13 and the steering roller 14. The belt 12 is displaced by the rotational power of the power roller 13, and the belt is rotated by the steering roller 14.
In one embodiment, the speed detection means 2 may be, for example, a code wheel 21. The encoder disk is also called a step encoder, and can count once after rotating once, and record the number of rotation cycles in a step counting manner. The number of rolling cycles of the drum is calculated by the encoder disk 21, and the real-time belt speed can be calculated by the number of rolling cycles of the drum and the drum circumference. The encoder disk 21 may be installed at least one of the cross-sectional end of the power roller 13, the cross-sectional end of the steering roller 14, and the cross-sectional end of the direction-changing roller 15 of the conveyor belt 1.
Since the addition of the encoding disc 21 is equivalent to the modification of the original conveyor belt structure, and the addition convenience and cost need to be considered, the embodiment shown in fig. 3 is mainly applied to a scene that allows the modification and convenient construction of the original conveyor belt structure. In one embodiment, the code wheel 21 can be attached to a roller which itself belongs to the after-mounting, such as a direction-changing roller 15 which is attached to the power roller 13 and the steering roller 14 in order to bring certain belt positions between the two rollers closer to the support. In the embodiment shown in fig. 3, the encoder disk 21 is mounted on the cross-sectional end of the direction-changing drum 15 of the conveyor belt 1. In addition, a plurality of direction-changing drums 15 can be arranged, and a plurality of code discs 21 can be installed corresponding to the plurality of direction-changing drums 15; alternatively, the encoding discs 21 may be installed on the power drum 13, the steering drum 14, and the one or more direction-changing drums 15 at the same time, and the data of the plurality of encoding discs 21 may be averaged or otherwise calculated to achieve more accurate speed measurement.
Fig. 4 is a schematic view of the speed detecting device 2 in another embodiment.
Referring to fig. 4, the speed detection device 2 may further include, for example, a tachometer 22. The velocimeter 22 may be mounted below the belt of the conveyor belt 1. The velocimeter 22 may be a velocimeter that measures the velocity by a photoelectric sensor, or may be another type of velocimeter. Similar to the operating principle of the roller and the encoder, the rubber wheel on the tachometer 22 contacts with the belt 12 to generate friction, the encoder on the tachometer 22 is driven to rotate and calculate the rotating speed, and the tachometer 22 outputs the running speed of the belt to the control system or the display system in the form of an electronic pulse signal. The embodiment shown in fig. 4 may be applied in scenarios where retrofitting of the conveyor belt apparatus is not allowed or convenient.
Because the speed of the single position of the belt measured by the velocimeter has an error relative to the speed of the whole belt, it is difficult for a single velocimeter to accurately calculate the belt speed, in an embodiment, one conveyor belt may correspond to a plurality of velocimeters 22, so that the central processing unit 5 can judge the real-time belt speed of the conveyor belt 1 through the data of the plurality of velocimeters 22, and the judgment precision is improved, as shown in fig. 4.
The type, installation position, installation manner and installation number of the speed detection devices 2 may be set by those skilled in the art according to actual working conditions, and the disclosure is not limited thereto.
The baggage position detection device 3 may be, for example, an X-ray detection device at the beam exit surface of a security inspection machine. When the luggage reaches the beam outlet surface of the security inspection machine, the X-ray detection device detects the arrival of the luggage and records the arrival time of the luggage. Because the distance between the beam outlet surface of the security inspection machine and the tail end edge of the rear protection plate of the conveyor belt (namely the position where the luggage can be taken away) is determined, the distance between the luggage and the tail end edge of the rear protection plate of the conveyor belt can be determined according to the time when the luggage reaches the beam outlet surface and the real-time speed of the conveyor belt, and therefore the current position of the luggage and the distance and time when the luggage can stay on the conveyor belt are determined.
Let L be the relative displacement of the luggage position detection device 3 and the edge of the rear protection plate end of the conveyor belt, and T1 be the time for the luggage to reach the luggage position detection device 3. When the real-time belt speed of the conveyor belt is changed from V1 to V2 at the time point T2 as the traveling bag moves on the conveyor belt, the moved distance of the traveling bag is L1= (T2-T1) × V1, the distance left to the tail end edge of the rear guard plate is L2= L-L1, and the new remaining graph judging time after the belt speed is changed is T = L2/V2.
In one embodiment, the real-time position of the row bag can also be determined using the backplate starting position (e.g., the leading edge where the relative displacement from the backplate end edge of the conveyor belt is also determined) at the security check machine exit as a position reference point, while the logic for calculating the position of the row bag is unchanged.
The steps of the method 100 will be described in detail below with reference to fig. 2 to 4.
In step S102, a real-time belt speed of at least one target conveyor belt and a pack position of at least one pack on the target conveyor belt are obtained.
When the security inspection system 200 includes a plurality of conveyor belts, the target conveyor belt carrying the packets may be determined first, then the packet positions of one or more packets on the target conveyor belt are determined, a graph judgment task is generated for each packet, and then the plurality of graph judgment tasks are distributed to a plurality of graph judgment terminals for processing. The bale position may be, for example, the relative displacement of the bale with respect to a predetermined reference point in the conveyor belt (e.g., the starting position of the tailgate at the exit face of the inspection machine or at the exit of the inspection machine, as described above).
The real-time belt speed of the target conveyor belt can be obtained through the speed detection device 2, and the luggage position of the luggage is obtained through the luggage position detection device 3. Embodiments of the speed detection device 2 and the luggage position detection device 3 can be referred to above, and the disclosure is not repeated herein.
When the speed detection device 2 is the code disc 21, the rolling cycle number of the code disc corresponding to the target conveyor belt can be acquired, and then the real-time belt speed of the target conveyor belt can be determined according to the rolling cycle number and the circumference of the code disc. When speed detection device 2 is tachymeter 22, can acquire the actual measurement speed of the tachymeter that the target conveyer belt corresponds, when the target conveyer belt corresponds a plurality of tachymeters 22, can calculate the real-time area speed of target conveyer belt according to a plurality of tachymeter 22's data.
The frequency of acquiring the position of the traveling packet and the real-time belt speed can be determined according to the distribution time of the chart judging task, for example, the position of the traveling packet and the real-time belt speed of the conveyor belt can be acquired at a preset time before the chart judging task is distributed each time.
In step S104, the remaining graph judging time of the graph judging task corresponding to the row packet is judged according to the real-time belt speed and the row packet position.
The relative displacement of the end edge of the backplate of the target conveyor belt relative to a predetermined reference point can be obtained, and the displacement distance that a bale can travel on the conveyor belt can be determined according to the difference between the relative displacement and the bale position. Namely, the residual displacement of the target luggage can be determined according to the distance between the luggage position corresponding to the target luggage and the tail end edge of the rear guard plate of the target conveyor belt, and then the residual image judging time of the target luggage can be determined according to the ratio of the residual displacement to the real-time belt speed of the target conveyor belt.
Because the accuracy of the residual displacement calculated according to the difference between the position of the luggage and the relative displacement of the tail end edge of the rear protection plate relative to the preset reference point is relatively high, and obvious errors are not easy to generate, the more accurate residual image judging time can be obtained as long as the accuracy of belt speed measurement is improved in the calculation process. As the row of bags moves over the belt, the load on the belt also changes, causing the actual belt speed of the conveyor to change, meaning that the rows of bags do not move uniformly over the belt. The speed of travel of the pack at different points in time during travel is dynamically varied, as is the time to reach the point where the end of the belt can be removed. Furthermore, uncontrolled environmental changes also cause the belt to behave differently under different environments, such as the effect of temperature factors (expansion and contraction) on the belt's belt speed. By detecting the real-time belt speed and adjusting the relevant data and display of the chart judging task according to the real-time belt speed of the belt, the system can effectively adapt to various field actual service scenes connected with the system 200.
In step S106, the allocation manner or the reminding information of the graph judging task is adjusted according to the remaining graph judging time corresponding to the at least one row packet.
FIG. 5 is a flow chart of adjusting the graph interpretation task according to the remaining graph interpretation time in one embodiment of the present disclosure.
Referring to fig. 5, step S106 may include:
step S1061, determining at least one graph judging task to be allocated according to the graph judging task corresponding to the at least one row packet, wherein the remaining graph judging time corresponding to the graph judging task to be allocated is greater than a first preset value, and the first preset value is the sum of a preset minimum graph judging time and a preset minimum task allocation time;
step S1062, setting the distribution sequence of the at least one graph judging task to be distributed from less to more according to the remaining graph judging time corresponding to the at least one graph judging task to be distributed.
Before the graph judging task is successfully distributed to the terminal, the distribution strategy of the graph judging task can be changed in real time according to the residual graph judging time calculated in real time. First, a plurality of graph judging tasks which are not distributed yet can be determined, and then, the graph judging tasks which meet the graph judging task execution condition in the plurality of graph judging tasks which are not distributed yet are listed in a task distribution list, wherein the task execution condition is that the residual graph judging time is larger than the sum of the preset minimum graph judging time and the preset minimum task distribution time. The minimum task allocation time for performing a mapping task allocation action may be determined based on system parameters of the central processor 5, and the minimum time required for successfully performing a mapping task may be determined based on work efficiency statistics of a mapping task performer (e.g., artificial intelligence or a human diagnostician).
In one embodiment, when the remaining time of a graph judging task is less than or equal to a first preset value, the graph judging task can be deleted, and a graph judging task failure message is sent.
For the graph judging tasks in the list to be distributed, the graph judging tasks with less residual graph judging time can be distributed as soon as possible according to the sequence of the residual graph judging time from less to more, and the problem that the graph judging tasks are insufficient in execution time due to the fact that the real-time belt speed of the conveyor belt is fast is avoided. When the central processing unit 5 is connected with the plurality of conveyor belts 1, the graph judging tasks can be properly arranged according to the real-time belt speeds of different conveyor belts, so that the situation that one or more graph judging terminals 4 unnecessarily wait for the tasks or cannot effectively utilize relatively abundant graph judging time when the real-time belt speeds of the conveyor belts are slowed down is avoided, and the task processing efficiency of the remote graph judging system is effectively improved.
In other embodiments, the task allocation priority of the corresponding graph determining task may also be adjusted for each conveyor belt. For example, when the belt speed of one conveyor belt rises compared with the last measurement, the distribution priority of the chart judging task to be distributed corresponding to the conveyor belt is adjusted upwards, or when the belt speed of one conveyor belt falls compared with the last measurement, the distribution priority of the chart judging task to be distributed corresponding to the conveyor belt is adjusted downwards.
In one embodiment, when the graph judging task may not meet the graph judging task execution condition, the emergency task reminding information may be sent to a plurality of graph judging terminals.
Fig. 6 is a flow chart of sending emergency task reminder information in one embodiment of the present disclosure.
Referring to fig. 6, step S106 may further include:
step S1063, obtaining a plurality of residual graph judging time of a plurality of graph judging tasks currently operated by a plurality of graph judging terminals;
step S1064, when the remaining graph judging time of the graph judging task to be allocated is higher than the first preset value and lower than a second preset value, sending emergency task reminding information to the multiple graph judging terminals, where the second preset value is a sum of the first preset value and a minimum remaining graph judging time in the remaining graph judging times.
The method can firstly determine the minimum value of the remaining image judging time of the image judging tasks executed by the image judging terminals 4, when the remaining image judging time of the image judging tasks to be allocated does not meet the image judging task execution condition when any image judging terminal 4 finishes executing the current image judging task, namely the image judging tasks to be allocated are about to not meet the image judging task execution condition, the image judging terminals can be reminded in various reminding modes, the image judging terminals with the condition to quicken image judging are reminded to finish the current image judging task as soon as possible, the emergency task is received, and the task allocation failure is avoided.
The emergency task reminding information may be sent to all the graph judging terminals, or the emergency task reminding information may be sent to some graph judging terminals with less residual graph judging time, which is not limited by the present disclosure. By sending the emergency task reminding information, the advantages of multiple terminals can be effectively utilized to process emergency situations, and the chart judging task allocation failure or the chart judging task execution failure is avoided.
In addition, when the graph judging task runs, the graph judging task reminding information can be adjusted according to the remaining graph judging time corresponding to the graph judging task. In the embodiment of the disclosure, the reminding mode of the graph judging task reminding information at least comprises one or more of a digital countdown, an information pop-up box, a progress bar and a pie chart.
In one embodiment, the countdown duration of the ongoing graph judging task can be adjusted according to the residual graph judging time acquired in real time, and is embodied on a graph judging software interface of each graph judging terminal in real time. The actual change of the countdown duration can effectively improve the cognition of the human diagraph on the real-time residual time of the task, for example, when the belt speed integrally rises in the running period of a certain diagraph determining task, the residual diagraph determining time of the diagraph determining task is shortened, and the human diagraph can be reminded through the change of interface elements related to the countdown duration displayed on a control interface.
FIG. 7 is a diagram illustrating task reminder information in an embodiment of the present disclosure.
Referring to fig. 7, taking a vertical countdown bar together with a countdown text as an example, when the remaining graph judging time corresponding to the current task is shortened, the shortening speed of the countdown bar may be controlled to be increased, so as to improve the urgency and attention of the graph judging staff, thereby completing the graph judgment more quickly. Or when the belt speed is reduced during the graph judging period and the remaining graph judging time of the current task is prolonged, the shortening speed of the countdown bar can be correspondingly reduced, so that the graph judging person can relieve the stress of long-time concentration, and the graph judging person can effectively utilize the relatively abundant graph judging time to judge the graph more carefully and accurately.
The countdown information in this embodiment may also be displayed in other ways, such as a horizontal countdown bar, a countdown of pure numbers and/or words, and so on, which is not limited by this disclosure.
It can be understood that, if the graph judging task is set to be forcibly ended when the task deadline time is reached in order to avoid that the graph judging task occupies the graph judging resources for a long time, the task deadline time control of the corresponding graph judging task can be updated at the same time of updating the graph judging task reminding information so as to avoid forcibly ending the graph judging task when the graph judging time is sufficient.
Fig. 8 is a flowchart of arbitration task control in yet another embodiment of the present disclosure.
Referring to fig. 8, the graph task control flow 800 may include:
step S801, acquiring the real-time belt speed of at least one conveyor belt;
step S802, a real-time task list is obtained;
step S803, judging whether the real-time belt speed is increased compared with the real-time belt speed measured last time by the conveyor belt, if so, entering step S805, otherwise, entering step S804;
step S804, judge whether the real-time speed of taking compares with real-time speed of taking measured last time of the conveyer belt and drops, if drop, enter step S806, otherwise return to step S801;
step S805, judging whether the nth task in the list is distributed, if so, entering S807, otherwise, entering S808;
step S807, shortening the judgment deadline control corresponding to the task and controlling the shortening speed of the progress bar during the countdown of the judgment interface to be accelerated;
step S808, shortening the distribution residual time of the task and improving the distribution priority corresponding to the task;
step 809, judging whether tasks to be processed exist in the real-time task list, if so, returning to step 805, otherwise, returning to step 801;
step S806, judging whether the nth task in the list is distributed, if yes, entering S810, otherwise, entering S811;
step S810, prolonging the graph judgment deadline control corresponding to the task and controlling the shortening speed of the progress bar to be reduced when the graph judgment interface is countdown;
step S811, prolonging the remaining time of the task and reducing the corresponding priority of the task;
step S812, determining whether there are tasks to be processed in the real-time task list, if yes, returning to step S806, and if not, returning to step S801.
Wherein, the remaining time allocated in step S808 is the time reserved for allocating work to the system processing arbitration task. That is, the remaining graph judging time may be directly divided into the allocation remaining time and the execution remaining time, the allocation remaining time may be at least not less than the preset minimum task allocation time, and the execution remaining time may be at least not less than the preset minimum graph judging time. In this embodiment, the same execution remaining time may be preset for a plurality of graph judging tasks, the allocation remaining time is determined according to the difference between the remaining graph judging time corresponding to each graph judging task and the execution remaining time, and the task allocation priority is set from a small number to a large number according to the allocation remaining time.
The real-time belt speed of each conveyor belt is calculated by acquiring the related data, so that the residual graph judging time of each graph judging task is estimated more accurately, and the distribution efficiency of the system to the graph judging tasks and the graph judging efficiency of the graph judging resources (which can be human or machine) can be improved. Meanwhile, timeliness of the processes of task allocation, scheduling and graph judgment is improved, the business process is optimized to be more accurate and reliable, and safety risks of overtime task omission are reduced.
Corresponding to the method embodiment, the present disclosure further provides a chart judging task control device for a security inspection system, which can be used to execute the method embodiment.
Fig. 9 schematically illustrates a block diagram of a mapping task control device for a security inspection system according to an exemplary embodiment of the present disclosure.
Referring to fig. 9, the chart task control apparatus 900 for a security inspection system may include:
a data acquisition module 902 configured to acquire a real-time belt speed of at least one target conveyor belt and a bale position of at least one bale on the target conveyor belt;
a residual graph judging time calculating module 904, configured to judge the residual graph judging time of the graph judging task corresponding to the row packet according to the real-time belt speed and the row packet position;
and the task control module 906 is configured to adjust a distribution mode or reminding information of the graph judging task according to the remaining graph judging time corresponding to the at least one row packet.
In an exemplary embodiment of the disclosure, the data acquisition module 902 is configured to: acquiring the rolling cycle number of the coding disc corresponding to the target conveyor belt; and determining the real-time belt speed of the target conveyor belt according to the rolling cycle number and the perimeter of the coding disc.
In an exemplary embodiment of the disclosure, the data acquisition module 902 is configured to: and acquiring the actual measurement speed of the velocimeter corresponding to the target conveyor belt.
In an exemplary embodiment of the disclosure, the remaining graph determining time calculating module 904 is configured to: determining the residual displacement of the target luggage according to the distance of the tail end edge of the rear protection plate of the target conveyor belt corresponding to the target luggage and the luggage position of the target luggage; and determining the residual graph judging time of the target row packet according to the ratio of the residual displacement to the real-time belt speed of the target conveyor belt.
In an exemplary embodiment of the disclosure, the task control module 906 is configured to: determining at least one graph judging task to be allocated according to the graph judging task corresponding to the at least one row packet, wherein the remaining graph judging time corresponding to the graph judging task to be allocated is greater than a first preset value, and the first preset value is the sum of preset minimum graph judging time and preset minimum task allocation time; and setting the distribution sequence of the at least one graph judging task to be distributed from small to large according to the residual graph judging time corresponding to the at least one graph judging task to be distributed.
In an exemplary embodiment of the disclosure, the task control module 906 is configured to: and deleting the graph judging task corresponding to the residual graph judging time when the residual graph judging time is less than or equal to the first preset value, and sending a graph judging task failure message.
In an exemplary embodiment of the present disclosure, the task control module 906 is configured to obtain a plurality of remaining graph judging times of a plurality of graph judging tasks currently operated by a plurality of graph judging terminals; and when the remaining graph judging time of the graph judging task to be allocated is higher than the first preset value and lower than a second preset value, sending emergency task reminding information to the multiple graph judging terminals, wherein the second preset value is the sum of the first preset value and the minimum remaining graph judging time in the remaining graph judging time.
In an exemplary embodiment of the disclosure, the task control module 906 is configured to: when the graph judging task runs, adjusting graph judging task reminding information according to the remaining graph judging time of the graph judging task, wherein the graph judging task reminding information comprises countdown.
In an exemplary embodiment of the present disclosure, the reminding manner of the diagram judging task reminding information at least includes a digital countdown, an information pop-up box, a progress bar, and a pie chart.
Since the functions of the apparatus 900 have been described in detail in the corresponding method embodiments, the disclosure is not repeated herein.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
As will be appreciated by one skilled in the art, aspects of the present invention may be embodied as a system, method or program product. Thus, various aspects of the invention may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, and may also be implemented by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which may be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, there is also provided a computer-readable storage medium having stored thereon a program product capable of implementing the above-described method of the present specification. In some possible embodiments, aspects of the invention may also be implemented in the form of a program product comprising program code means for causing a terminal device to carry out the steps according to various exemplary embodiments of the invention described in the above section "exemplary methods" of the present description, when said program product is run on the terminal device.
The program product for implementing the above method according to an embodiment of the present invention may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited in this regard and, in the present document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
A computer readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., through the internet using an internet service provider).
Furthermore, the above-described figures are merely schematic illustrations of processes involved in methods according to exemplary embodiments of the invention, and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims (13)

1. A chart judging task control method for a security inspection system is characterized by comprising the following steps:
acquiring the real-time belt speed of at least one target conveyor belt and the luggage position of at least one luggage on the target conveyor belt;
judging the residual graph judging time of the graph judging task corresponding to the row packet according to the real-time belt speed and the row packet position;
adjusting the distribution mode or reminding information of the graph judging task according to the remaining graph judging time corresponding to the at least one row packet;
wherein the adjusting of the distribution mode or the reminding information of the graph judging task according to the remaining graph judging time corresponding to the at least one row packet comprises:
determining at least one graph judging task to be allocated according to the graph judging task corresponding to the at least one row packet, wherein the remaining graph judging time corresponding to the graph judging task to be allocated is greater than a first preset value, and the first preset value is the sum of preset minimum graph judging time and preset minimum task allocation time;
setting the distribution sequence of the at least one graph judging task to be distributed from small to large according to the residual graph judging time corresponding to the at least one graph judging task to be distributed;
obtaining a plurality of residual graph judging time of a plurality of graph judging tasks currently operated by a plurality of graph judging terminals;
and when the remaining graph judging time of the graph judging task to be allocated is higher than the first preset value and lower than a second preset value, sending emergency task reminding information to the multiple graph judging terminals, wherein the second preset value is the sum of the first preset value and the minimum remaining graph judging time in the remaining graph judging time.
2. The method as claimed in claim 1, wherein the obtaining of the real-time belt speed of at least one target conveyor belt and the bale position of at least one bale on the target conveyor belt comprises:
acquiring the rolling cycle number of the coding disc corresponding to the target conveyor belt;
and determining the real-time belt speed of the target conveyor belt according to the rolling cycle number and the circumference of the coding disc.
3. The method as claimed in claim 1, wherein the obtaining of the real-time belt speed of at least one target conveyor belt and the bale position of at least one bale on the target conveyor belt comprises:
and acquiring the actual measurement speed of the velocimeter corresponding to the target conveyor belt.
4. The method for controlling the graph judging task for the security inspection system according to claim 1, wherein the judging the remaining graph judging time of the graph judging task corresponding to the row packet according to the real-time belt speed and the row packet position comprises:
determining the residual displacement of the target luggage according to the distance of the tail end edge of the rear protection plate of the target conveyor belt corresponding to the target luggage and the luggage position of the target luggage;
and determining the residual graph judging time of the target row packet according to the ratio of the residual displacement to the real-time belt speed of the target conveyor belt.
5. The method according to claim 1, wherein the adjusting of the distribution mode or the reminding information of the graph judging task according to the remaining graph judging time corresponding to the at least one row packet comprises:
and deleting the graph judging task corresponding to the residual graph judging time when the residual graph judging time is less than or equal to the first preset value, and sending a graph judging task failure message.
6. The method according to claim 1, wherein the adjusting of the distribution mode or the reminding information of the graph judging task according to the remaining graph judging time corresponding to the at least one row packet comprises:
when the graph judging task runs, adjusting graph judging task reminding information according to the residual graph judging time of the graph judging task, wherein the graph judging task reminding information comprises countdown.
7. The method for controlling the image judging task of the security inspection system according to claim 6, wherein the reminding manner of the image judging task reminding information at least comprises a digital countdown, an information pop-up box, a progress bar and a pie chart.
8. A security inspection system, comprising:
at least one conveyor belt;
a speed detection device corresponding to the conveyor belt;
the luggage position detection device corresponds to the conveyor belt;
at least one graph judging terminal;
a central processing unit, communicatively connected to the map determining terminal, the speed detecting device, and the luggage position detecting device, for executing the map determining task control method according to any one of claims 1~7.
9. The security inspection system of claim 8, wherein the speed detection device includes a code wheel mounted at least one of a cross-sectional end of a power roller, a cross-sectional end of a turn roller, and a cross-sectional end of a direction-changing roller of the conveyor belt.
10. The security system of claim 8, wherein the speed detection device comprises a velocimeter mounted below a belt of the conveyor belt.
11. The security inspection system of claim 10, wherein each of said conveyor belts corresponds to a plurality of speed meters, and said central processor determines a real-time belt speed of said conveyor belt from data of said plurality of speed meters.
12. A chart task control device for a security inspection system is characterized by comprising:
the data acquisition module is set to acquire the real-time belt speed of at least one target conveyor belt and the luggage position of at least one luggage on the target conveyor belt;
the residual graph judging time calculating module is set to judge the residual graph judging time of the graph judging task corresponding to the row packet according to the real-time belt speed and the row packet position;
the task control module is set to adjust the distribution mode or the reminding information of the graph judging task according to the residual graph judging time corresponding to the at least one row packet;
wherein the task control module is configured to:
determining at least one graph judging task to be distributed according to the graph judging task corresponding to the at least one row packet, wherein the remaining graph judging time corresponding to the graph judging task to be distributed is greater than a first preset value, and the first preset value is the sum of preset minimum graph judging time and preset minimum task distribution time;
setting the distribution sequence of the at least one graph judging task to be distributed from small to large according to the residual graph judging time corresponding to the at least one graph judging task to be distributed;
obtaining a plurality of residual graph judging time of a plurality of graph judging tasks currently operated by a plurality of graph judging terminals;
and when the remaining graph judging time of the graph judging tasks to be distributed is higher than the first preset value and lower than a second preset value, sending emergency task reminding information to the multiple graph judging terminals, wherein the second preset value is the sum of the first preset value and the minimum remaining graph judging time in the remaining graph judging time.
13. A computer-readable storage medium on which a program is stored, the program, when executed by a processor, implementing the graph determination task control method for a security inspection system according to any one of claims 1~7.
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