Express box distribution control system based on visual information

Abstract

The invention relates to an express box distribution control system based on visual information, and the system comprises a surface identification device which is used for obtaining the overall depth-of-field data of an express box with the largest occupied area in a last-layer mapping image, the shooting focal length of the last-layer mapping image, and the number of occupied pixel points, the surface area of the express box body with the largest occupied area is mapped; and the enabling control device is used for forbidding the box body shunting mechanism when the surface area exceeds the limit, otherwise, enabling the box body shunting mechanism. The express box distribution control system based on visual information is reliable in structure and intelligent in design. Due to the fact that intelligent measurement of the surface area of the express box body with the largest occupied area can be completed through multiple items of visual data selected in a targeted mode, and when the surface area exceeds the limit, the express box body with the over-limit surface area is prevented from flowing into the box body distribution mechanism to be subjected to box body distribution operation difficult to distribute. Therefore, reliability and effectiveness of distribution management of the express box bodies are improved.

Description

Technical Field

[0001] The present invention relates to the field of smart logistics, and more specifically, to an express box diversion control system based on visual information. Background Art

[0002] The continuous development of e-commerce has led to the resurgence of the logistics industry. The services provided by the logistics industry in various countries have far exceeded warehousing, distribution and transportation services. The warehousing, distribution facilities, maintenance services, electronic tracking and other value-added services provided by logistics companies are increasing. Logistics service providers are becoming customer service centers, processing and maintenance centers, information processing centers and financial centers. Adding new services according to customer needs is an evolving concept. With the development of sensor technology and the advancement of artificial intelligence mechanisms, smart logistics has become the main direction of logistics development.

[0003] When using a box diversion mechanism to divert express boxes, there are some express boxes whose surface areas exceed the limit and cannot be diverted and need special treatment. These express boxes need to be identified in time and sorted quickly to avoid entering the box diversion mechanism. However, the prior art lacks a high-precision and targeted express box surface area measurement mechanism, resulting in these express boxes whose surface areas exceed the limit and cannot be diverted and need special treatment flowing into the box diversion mechanism and blocking the box diversion mechanism, affecting the diversion effect and efficiency of the box diversion mechanism. Summary of the invention

[0004] In order to solve the technical problems in the prior art, the present invention provides an express box diversion control system based on visual information, which uses the median value of the depth of field data of each pixel point of the express box with the largest occupied area in the last layer mapping picture as the overall depth of field data of the express box with the largest occupied area in the last layer mapping picture, thereby completing the targeted detection of the depth of field data of the express box with the largest occupied area, and also uses a three-input single-output numerical mapping function to complete the three input values ​​from the overall depth of field data of the express box with the largest occupied area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixel points occupied by the express box with the largest occupied area in the last layer mapping picture to the surface of the express box with the largest occupied area. The numerical mapping processing of the single output numerical value of area, wherein the numerical mapping relationship between each input numerical value and the single output numerical value is a monotonically positive correlation, and an enabling control device is introduced for disabling the box diversion mechanism to avoid the express box with excessive surface area from flowing into the box diversion mechanism for a box diversion operation that is difficult to divert when the surface area of ​​the received express box with the largest occupied area exceeds the set surface area limit; and for enabling the box diversion mechanism to allow the express box with excessive surface area to flow into the box diversion mechanism for a box diversion operation that can be diverted when the surface area of ​​the received express box with the largest occupied area does not exceed the set surface area limit, thereby improving the intelligence level of the express box diversion management.

[0005] According to the present invention, a courier box flow diversion control system based on visual information is provided, the system comprising: The box diversion mechanism includes a drive motor, a position sensor, a size detection component, a main controller, and a plurality of directional transmission components, which are used to transfer the express boxes of different sizes in front of the box diversion mechanism to a plurality of different storage containers; A primary mapping mechanism, used for performing piecewise linear grayscale transformation on the front imaging picture of the box diversion mechanism to obtain and output a corresponding primary mapping mechanism, wherein the front imaging picture of the box diversion mechanism is a real-time imaging picture arranged above the box diversion mechanism and facing the front of the box diversion mechanism; A secondary layer mapping mechanism, connected to the primary layer mapping mechanism, for performing Wiener filtering on the received real-time imaging picture to obtain and output a corresponding secondary layer mapping picture; A final layer mapping mechanism, connected to the sub-layer mapping mechanism, for performing adaptive recursive filtering on the received sub-layer mapping picture to obtain and output a corresponding final layer mapping picture; A surface identification device is connected to the last layer mapping mechanism, and is used to respectively obtain the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixels occupied by the express box with the largest area in the last layer mapping picture, and use a three-input single-output numerical mapping function to complete the numerical mapping process from the three input values ​​of the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixels occupied by the express box with the largest area in the last layer mapping picture to the single output value of the surface area of ​​the express box with the largest area, wherein the numerical mapping relationship between each input value and the single output value is monotonically positively correlated; an enabling control device connected to the surface identification device, used to disable the box diversion mechanism when the surface area of ​​the received express box with the largest occupied area exceeds the set surface area limit, and also used to enable the box diversion mechanism when the surface area of ​​the received express box with the largest occupied area does not exceed the set surface area limit; Among them, respectively obtaining the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture and the number of pixels occupied by the express box with the largest area in the last layer mapping picture includes: taking the median value of the depth of field data of each pixel point of the express box with the largest area in the last layer mapping picture as the overall depth of field data of the express box with the largest area in the last layer mapping picture.

[0006] It can be seen that the present invention has at least the following three beneficial technical effects: Technical effect A: The median value of the depth of field data of each pixel point of the express box with the largest area in the last layer mapping picture is used as the overall depth of field data of the express box with the largest area in the last layer mapping picture, thereby completing the targeted detection of the depth of field data of the express box with the largest area; Technical effect B: A three-input single-output numerical mapping function is used to complete the numerical mapping process from the three input values ​​of the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixels occupied by the express box with the largest area in the last layer mapping picture to the single output value of the surface area of ​​the express box with the largest area, wherein the numerical mapping relationship between each input value and the single output value is monotonically positively correlated; Technical effect C: An enabling control device is introduced to disable the box diversion mechanism to avoid the express box with excessive surface area from flowing into the box diversion mechanism for a box diversion operation that is difficult to divert when the surface area of ​​the received express box with the largest occupied area exceeds the set surface area limit; and to enable the box diversion mechanism to allow the express box with excessive surface area to flow into the box diversion mechanism for a box diversion operation that can be diverted when the surface area of ​​the received express box with the largest occupied area does not exceed the set surface area limit, thereby improving the intelligence level of express box diversion management.

[0007] The express box diversion control system based on visual information of the present invention has a reliable structure and intelligent design. Since it can use a plurality of targeted selected visual data to complete the intelligent measurement of the surface area of ​​the express box with the largest area, and when the surface area exceeds the limit, it prevents the express box with the surface area exceeding the limit from flowing into the box diversion mechanism to perform a box diversion operation that is difficult to divert, thereby improving the reliability and effectiveness of the express box diversion management. DETAILED DESCRIPTION

[0008] The implementation scheme of the express box diversion control system based on visual information of the present invention will be described in detail below.

[0009] The express box flow diversion control system based on visual information according to the first embodiment of the present invention includes: The box diversion mechanism includes a drive motor, a position sensor, a size detection component, a main controller, and a plurality of directional transmission components, which are used to transfer the express boxes of different sizes in front of the box diversion mechanism to a plurality of different storage containers; For example, a box diversion mechanism includes a driving motor, a position sensor, a size detection component, a main controller, and a plurality of directional transmission components, and is used to transfer express boxes of different sizes in front of the box diversion mechanism to a plurality of different storage containers respectively. The main controller is an MCU chip; A primary mapping mechanism, used for performing piecewise linear grayscale transformation on the front imaging picture of the box diversion mechanism to obtain and output a corresponding primary mapping mechanism, wherein the front imaging picture of the box diversion mechanism is a real-time imaging picture arranged above the box diversion mechanism and facing the front of the box diversion mechanism; Specifically, the primary mapping mechanism is used to perform a piecewise linear grayscale transformation on the front imaging picture of the box diversion mechanism to obtain and output the corresponding primary mapping mechanism, and the front imaging picture of the box diversion mechanism is a real-time imaging picture arranged above the box diversion mechanism and facing the front of the box diversion mechanism, including: the primary mapping mechanism can be implemented by using a CPLD chip, which is used to perform a piecewise linear grayscale transformation on the front imaging picture of the box diversion mechanism to obtain and output the corresponding primary mapping mechanism, and the front imaging picture of the box diversion mechanism is a real-time imaging picture arranged above the box diversion mechanism and facing the front of the box diversion mechanism; A secondary layer mapping mechanism, connected to the primary layer mapping mechanism, for performing Wiener filtering on the received real-time imaging picture to obtain and output a corresponding secondary layer mapping picture; A final layer mapping mechanism, connected to the sub-layer mapping mechanism, for performing adaptive recursive filtering on the received sub-layer mapping picture to obtain and output a corresponding final layer mapping picture; A surface identification device is connected to the last layer mapping mechanism, and is used to respectively obtain the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixels occupied by the express box with the largest area in the last layer mapping picture, and use a three-input single-output numerical mapping function to complete the numerical mapping process from the three input values ​​of the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixels occupied by the express box with the largest area in the last layer mapping picture to the single output value of the surface area of ​​the express box with the largest area, wherein the numerical mapping relationship between each input value and the single output value is monotonically positively correlated; an enabling control device connected to the surface identification device, used to disable the box diversion mechanism when the surface area of ​​the received express box with the largest occupied area exceeds the set surface area limit, and also used to enable the box diversion mechanism when the surface area of ​​the received express box with the largest occupied area does not exceed the set surface area limit; Wherein, respectively obtaining the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixels occupied by the express box with the largest area in the last layer mapping picture includes: taking the middle value of the depth of field data of each pixel of the express box with the largest area in the last layer mapping picture as the overall depth of field data of the express box with the largest area in the last layer mapping picture; The box diversion mechanism includes a driving motor, a position sensor, a size detection component, a main controller and a plurality of directional transmission components, and is used to transfer the express boxes of different sizes in front of the box diversion mechanism to a plurality of different storage containers respectively. The plurality of directional transmission components lead to a plurality of different storage containers respectively; Among them, the box diversion mechanism includes a driving motor, a position sensor, a size detection component, a main controller and multiple directional transmission components, which is used to transfer express boxes of different sizes in front of the box diversion mechanism to multiple different storage containers respectively. It also includes: the main controller is respectively connected to the driving motor, the position sensor and the size detection component.

[0010] Different from the first embodiment of the present invention, the express box flow diversion control system based on visual information in the second embodiment of the present invention may also include the following components: A timing server component is connected to the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device respectively, and is used to provide the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device with their respective required timing services; Wherein, the timing server is respectively connected to the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device, and is used to provide the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device with the timing services they need, including: the timing server uses the same timing clock to provide the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device with the timing services they need; Among them, the timing server uses the same timing clock to provide the timing services required by the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device respectively, including: the timing server uses the same timing clock to provide the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device with reference clock signals of various changing waveforms of the same timing clock.

[0011] Different from the first embodiment of the present invention, the express box flow diversion control system based on visual information in the third embodiment of the present invention may also include the following components: A parallel data bus is connected to the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device, respectively, and is used to provide a parallel data communication link between each of the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device; Wherein, the parallel data bus is respectively connected with the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device, including: providing a 64-bit parallel data communication link between the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device; Wherein, the parallel data bus is respectively connected with the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device, including: providing a 32-bit parallel data communication link between the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device; Wherein, the parallel data bus is respectively connected with the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device, including: providing a 16-bit parallel data communication link between the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device; And wherein, a parallel data bus is respectively connected to the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, and also includes: the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device are spaced apart by a distance less than or equal to a set distance threshold.

[0012] In addition, in the express box diversion control system based on visual information, the box diversion mechanism includes a driving motor, a position sensor, a size detection component, a main controller and a plurality of diversion transmission components, which are used to transfer the express boxes of different sizes in front of the box diversion mechanism to a plurality of different storage containers respectively, and further includes: the size detection component is used to detect the size value of the nearest express box in front of the box diversion mechanism; Among them, the box diversion mechanism includes a driving motor, a position sensor, a size detection component, a main controller and multiple directional transmission components, which are used to transfer express boxes of different sizes in front of the box diversion mechanism to multiple different storage containers respectively. It also includes: the driving motor is a brushless DC motor.

[0013] While the present invention has been particularly illustrated and described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes in form and details may be made without departing from the spirit and scope of the invention as defined by the claims.

Claims

1. A courier box diversion control system based on visual information, characterized in that: The system comprises: The box diversion mechanism includes a drive motor, a position sensor, a size detection component, a main controller, and a plurality of directional transmission components, which are used to transfer the express boxes of different sizes in front of the box diversion mechanism to a plurality of different storage containers; A primary mapping mechanism, used for performing piecewise linear grayscale transformation on the front imaging picture of the box diversion mechanism to obtain and output a corresponding primary mapping mechanism, wherein the front imaging picture of the box diversion mechanism is a real-time imaging picture arranged above the box diversion mechanism and facing the front of the box diversion mechanism; A secondary layer mapping mechanism, connected to the primary layer mapping mechanism, for performing Wiener filtering on the received real-time imaging picture to obtain and output a corresponding secondary layer mapping picture; A final layer mapping mechanism, connected to the sub-layer mapping mechanism, for performing adaptive recursive filtering on the received sub-layer mapping picture to obtain and output a corresponding final layer mapping picture; A surface identification device is connected to the last layer mapping mechanism, and is used to respectively obtain the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixels occupied by the express box with the largest area in the last layer mapping picture, and use a three-input single-output numerical mapping function to complete the numerical mapping process from the three input values ​​of the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture, and the number of pixels occupied by the express box with the largest area in the last layer mapping picture to the single output value of the surface area of ​​the express box with the largest area, wherein the numerical mapping relationship between each input value and the single output value is monotonically positively correlated; an enabling control device connected to the surface identification device, used to disable the box diversion mechanism when the surface area of ​​the received express box with the largest occupied area exceeds the set surface area limit, and also used to enable the box diversion mechanism when the surface area of ​​the received express box with the largest occupied area does not exceed the set surface area limit; Among them, respectively obtaining the overall depth of field data of the express box with the largest area in the last layer mapping picture, the shooting focal length of the last layer mapping picture and the number of pixels occupied by the express box with the largest area in the last layer mapping picture includes: taking the median value of the depth of field data of each pixel point of the express box with the largest area in the last layer mapping picture as the overall depth of field data of the express box with the largest area in the last layer mapping picture.

2. The express box flow diversion control system based on visual information as claimed in claim 1, characterized in that: The box diversion mechanism includes a driving motor, a position sensor, a size detection component, a main controller and a plurality of directional transmission components, and is used to transfer the express boxes of different sizes in front of the box diversion mechanism to a plurality of different storage containers respectively. The plurality of directional transmission components lead to a plurality of different storage containers respectively; Among them, the box diversion mechanism includes a driving motor, a position sensor, a size detection component, a main controller and multiple directional transmission components, which is used to transfer express boxes of different sizes in front of the box diversion mechanism to multiple different storage containers respectively. It also includes: the main controller is respectively connected to the driving motor, the position sensor and the size detection component.

3. The express box flow diversion control system based on visual information as claimed in claim 2, characterized in that: The system further comprises: A timing server component is connected to the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device respectively, and is used to provide the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device with their respective required timing services; Among them, the timing server component is respectively connected to the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, and is used to provide the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device with their respective required timing services, including: the timing server component uses the same timing clock to provide the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device with their respective required timing services.

4. The express box flow diversion control system based on visual information as claimed in claim 3, characterized in that: The timing server uses the same timing clock to provide the timing services required by the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device respectively, including: the timing server uses the same timing clock to provide the primary mapping mechanism, the secondary mapping mechanism, the final mapping mechanism and the surface identification device with reference clock signals of various changing waveforms of the same timing clock.

5. The express box flow diversion control system based on visual information as claimed in claim 3, characterized in that: The system further comprises: A parallel data bus is respectively connected to the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device.

6. The express box flow diversion control system based on visual information as claimed in claim 5, characterized in that: A parallel data bus is respectively connected to the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, including: providing a 64-bit parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device.

7. The express box flow diversion control system based on visual information as claimed in claim 5, characterized in that: A parallel data bus is respectively connected to the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, including: providing a 32-bit parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device.

8. The express box flow diversion control system based on visual information as claimed in claim 5, characterized in that: A parallel data bus is respectively connected to the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, including: providing a 16-bit parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device.

9. The express box flow diversion control system based on visual information as claimed in claim 5, characterized in that: A parallel data bus is respectively connected to the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device, and is used to provide a parallel data communication link between each of the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device. It also includes: the primary-layer mapping mechanism, the secondary-layer mapping mechanism, the final-layer mapping mechanism and the surface identification device are spaced apart by a distance less than or equal to a set distance threshold.