CN111652224A - Automatic module IMEI number checking device and checking method - Google Patents
Automatic module IMEI number checking device and checking method Download PDFInfo
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- CN111652224A CN111652224A CN201911413800.5A CN201911413800A CN111652224A CN 111652224 A CN111652224 A CN 111652224A CN 201911413800 A CN201911413800 A CN 201911413800A CN 111652224 A CN111652224 A CN 111652224A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/148—Segmentation of character regions
- G06V30/153—Segmentation of character regions using recognition of characters or words
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
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- G—PHYSICS
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
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- G06V30/146—Aligning or centring of the image pick-up or image-field
- G06V30/1475—Inclination or skew detection or correction of characters or of image to be recognised
- G06V30/1478—Inclination or skew detection or correction of characters or of image to be recognised of characters or characters lines
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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Abstract
The invention discloses a module IMEI number automatic correction device and a correction method. The invention adopts an image acquisition module to acquire a module image, processes the image to cut out a single IMEI number character, adopts a machine learning identification method to finish character identification, acquires the IMEI number on a module label, proofreads the IMEI number on the module label and the IMEI number in a module system, and sends a proofreading warning when the IMEI number of the module is abnormal to prompt manual proofreading again for confirmation. Compared with the prior art, the automatic correction device and the correction method improve the detection efficiency.
Description
Technical Field
The invention relates to the field of module detection, in particular to an automatic module IMEI number checking device and a checking method.
Background
The IMEI (International Mobile Equipment Identity) number is composed of a string of 15 digits, and is mainly used for uniquely identifying a piece of Mobile Equipment, and the whole production process record of the Mobile Equipment can be obtained by inquiring the corresponding IMEI number. The module is a functional module which integrates a chip, a memory, related devices and the like and provides a standard interface for the outside, and each module produced in a factory corresponds to a unique IMEI number.
However, the IMEI number on the module label cannot correspond to the IMEI number of the system itself due to improper factory operation or other reasons. Once this occurs, it is very difficult to find the abnormal module with unmatched IMEI number from a certain group of modules suspected to be abnormal. The current abnormal module is basically tracked by manpower, so that the detection efficiency is low, manpower and material resources are wasted, and more importantly, the negative influence on the product quality can be caused by the condition.
Disclosure of Invention
The invention provides an automatic module IMEI number proofreading device and a proofreading method, aiming at overcoming the defect that the detection efficiency is low because the IMEI number of the module is proofread manually in the prior art.
The invention solves the technical problems through the following technical scheme:
the invention provides an automatic checking device for a module IMEI number, which comprises an image acquisition module, a USB module, a main control module and a power supply module, wherein the image acquisition module is used for acquiring an image of a user;
the image acquisition module is used for acquiring a module label image and transmitting the module label image to the main control module;
the main control module is used for controlling the power supply module to electrify the module and sending an AT command to the module through the USB module so as to acquire an IMEI number in the module system;
the main control module is also used for analyzing and processing the received module label image so as to acquire the IMEI number on the module label and proofreading the IMEI number on the module label and the IMEI number in the module system.
Preferably, the module IMEI number automatic proofreading apparatus further comprises a data storage module, and the data storage module is configured to store the IMEI number on the module label sent by the main control module, the IMEI number in the module system, and a proofreading result; and/or, the module IMEI number automatic proofreading device also comprises a display module, and the display module is used for the IMEI number on the module label and the IMEI number and the proofreading result in the module system which are sent by the main control module.
Preferably, the module IMEI number automatic checking device further comprises a fixing device, and the fixing device is used for fixing the image acquisition module, the USB module and the power module;
a clamping seat is arranged in the fixing device and used for fixing the module;
the image acquisition module comprises a camera, and the camera and the module in the card seat are arranged oppositely.
Preferably, the card seat is used for fixing a plurality of modules at the same time, the image acquisition module comprises a plurality of cameras, and the cameras and the modules are arranged in a one-to-one opposite manner.
Preferably, the main control module includes:
the preprocessing unit is used for preprocessing the module label image to obtain a module first image; wherein the preprocessing comprises illumination correction, binarization and denoising;
the correction unit is used for carrying out oblique distortion correction on the first image and cutting out the area where the label is located by utilizing edge detection so as to obtain a module second image;
the first cutting unit is used for cutting out the region where the IMEI number is located based on the second image of the module so as to obtain a third image of the module;
the second cutting unit is used for cutting out a single IMEI number character based on the third image of the module so as to obtain a fourth image of the module;
and the identification unit is used for identifying the fourth image of the module by adopting a machine learning identification method so as to acquire the IMEI number on the label of the module.
Preferably, the main control module is configured to calculate a difference between the IMEI number on the module label and the IMEI number in the module system during calibration, and determine whether the difference is 0, if so, determine that the calibration is correct, otherwise, determine that the calibration is abnormal, and issue an alarm.
The invention also provides a module IMEI number automatic proofreading method which is realized by the module IMEI number automatic proofreading device, and the module IMEI number automatic proofreading method comprises the following steps:
the image acquisition module acquires a module label image and transmits the module label image to the main control module;
the main control module controls the power supply module to electrify the module and sends an AT command to the module through the USB module so as to acquire an IMEI number in the module system;
and the main control module analyzes and processes the received module label image to acquire the IMEI number on the module label and collates the IMEI number on the module label and the IMEI number in the module system.
Preferably, the module IMEI number automatic checking apparatus further includes a data storage module and/or a display module, and the module IMEI number automatic checking method further includes:
the main control module sends the IMEI number on the module label, the IMEI number in the module system and the proofreading result to the data storage module for storage; and/or the main control module sends the IMEI number on the module label, the IMEI number in the module system and the proofreading result to the display module for displaying.
Preferably, the step of analyzing and processing the received module label image by the main control module to obtain the IMEI number on the module label specifically includes:
preprocessing the module label image to obtain a module first image; wherein the preprocessing comprises illumination correction, binarization and denoising;
performing oblique distortion correction on the first image, and cutting out the area where the label is located by utilizing edge detection to obtain a module second image;
cutting out the region where the IMEI number is located based on the second image of the module to obtain a third image of the module;
cutting out a single IMEI number character based on the third image of the module to obtain a fourth image of the module;
and identifying the fourth image of the module by adopting a machine learning identification method so as to acquire the IMEI number on the label of the module.
Preferably, the step of checking the IMEI number on the module label and the IMEI number in the module system specifically includes:
and the main control module calculates the difference between the IMEI number on the module label and the IMEI number in the module system, judges whether the difference is 0, determines that the proofreading is correct if the difference is 0, determines that the proofreading is abnormal if the difference is not 0, and sends an alarm.
The positive progress effects of the invention are as follows:
the invention provides an automatic checking device and a checking method for an IMEI number of a module, wherein an image acquisition module is adopted to acquire a label image of the module, the label image is processed to cut out a single IMEI number character, a machine learning identification method is adopted to complete character identification, an IMEI number on the label of the module is acquired, the IMEI number on the label of the module and the IMEI number in a module system are checked, when the IMEI number of the module is abnormal, a checking warning is sent out, and manual checking again is prompted to confirm. The automatic proofreading device and the proofreading method can realize automatic proofreading of the IMEI number of the module, and compared with the prior art, the detection efficiency is improved.
Drawings
Fig. 1 is a schematic module diagram of an apparatus for automatically calibrating an IMEI number of a module according to embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a main control module of the module IMEI number automatic checking apparatus according to embodiment 1 of the present invention.
Fig. 3 is a flowchart of a method for automatically checking an IMEI number of a module according to embodiment 2 of the present invention.
Fig. 4 is a flowchart of step S104 in embodiment 2 of the present invention.
Fig. 5 is a flowchart of step S106 in embodiment 2 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the module IMEI number automatic checking device of the present embodiment includes an image acquisition module 1, a main control module 2, a USB module 3, a power module 4, a data storage module 5, a display module 6, and a fixing device.
The image acquisition module 1 is used for acquiring a module label image and transmitting the module label image to the main control module through a signal line;
the main control module 2 is configured to control the power module 4 to power on the module, and send an AT command to the module through the USB module 3 to obtain an IMEI number (hereinafter referred to as IMEI Internal) in the module system;
the main control module 2 is further configured to analyze the received module label image to obtain an IMEI number (hereinafter referred to as IMEI External) on the module label, and perform a calibration on the IMEI External and the IMEI Internal. When in calibration, the main control module calculates the difference value between the IMEI External and the IMEI Internal, the IMEI numbers are all numbers, a calibration return CODE CODE is set as IMEI _ External-IMEI _ Internal, whether the difference value is 0 or not is judged, namely whether the CODE is 0 or not is judged, if yes, the calibration is determined to be correct, if not, the calibration is determined to be abnormal, and an alarm is sent out.
The fixing device is used for fixing the image acquisition module, the power supply module and the USB module; a clamping seat for fixing the module is arranged in the fixing device, and the module in the clamping seat is arranged opposite to the camera in the image acquisition module; when the clamping seat is used for fixing a plurality of modules simultaneously, the image acquisition module comprises a plurality of cameras, and the cameras and the modules are arranged in a one-to-one opposite mode.
Fixing device's cassette can carry out different settings in this embodiment and in order to fix not unidimensional module, also can choose for use a preferred scheme, increases the conveyer belt to fixing device for operating personnel only need be fixed in the cassette with the module in proper order from one end, proofread after follow the other end take out in proper order can, realize proofreading module IMEI number in succession.
The data storage module 5 is used for storing the IMEI number on the module label sent by the main control module, the IMEI number in the module system and the proofreading result;
in this embodiment, when a plurality of image acquisition modules are installed on the fixing device and a plurality of modules are calibrated, the data storage module may store the IMEI number on the module label, the IMEI number in the module system, and the calibration result in groups by using each module as a unit.
The display module 6 is used for displaying the IMEI number on the module label and the IMEI number in the module system sent by the main control module and the proofreading result;
in this embodiment, when a plurality of image acquisition modules are installed on the fixing device and a plurality of modules are calibrated, the display module can display the IMEI number on the module label, the IMEI number in the module system and the calibration result in groups by using each module as a unit.
As shown in fig. 2, the main control module 2 includes a preprocessing unit 21, a correcting unit 22, a first cutting unit 23, a second cutting unit 24, and an identifying unit 25.
The preprocessing unit 21 is configured to preprocess the module tag image to obtain a module first image; wherein the preprocessing comprises illumination correction, binarization and denoising;
the correction unit 22 is configured to perform oblique distortion correction on the first image, and obtain a module second image by using edge detection to cut out an area where a label is located;
the first cutting unit 23 is configured to cut out an area where the IMEI number is located based on the module second image to obtain a module third image;
the second cutting unit 24 is configured to cut out a single IMEI character based on the module third image to obtain a module fourth image;
the identification unit 25 is configured to identify the fourth image of the module by using a machine learning identification method to obtain the IMEI number on the label of the module.
This embodiment is through providing an automatic proofreading device of module IMEI number, adopts the image acquisition module to gather the module image to process to the image and cut out single IMEI number character, adopt machine learning identification method to accomplish character recognition, obtain the IMEI on the module label, proofread the IMEI number on the module label and IMEI number in the module system, send the proofreading warning when module IMEI number is unusual, the suggestion manual work is proofread again and is confirmed. This automatic proofreading device can realize proofreading the module IMEI number automatically, compares with prior art, has improved detection efficiency.
Example 2
The module IMEI number automatic checking method of the present embodiment is implemented by the module IMEI number automatic checking device in embodiment 1.
As shown in fig. 3, the method for automatically checking the IMEI number of the module includes the following steps:
s101, an image acquisition module acquires a module label image and transmits the module label image to a main control module;
step S102, the main control module controls the power supply module to electrify the module, and sends an AT command to the module through the USB module to acquire an IMEI number in the module system;
step S103, the main control module analyzes the received module label image to acquire an IMEI number on the module label, and proofreads the IMEI number on the module label and the IMEI number in the module system;
the automatic checking method for the IMEI number of the module further comprises the following steps:
step S104, the main control module sends the IMEI number on the module label, the IMEI number in the module system and the proofreading result to the data storage module for storage; and/or the main control module sends the IMEI number on the module label, the IMEI number in the module system and the proofreading result to the display module for displaying.
In this embodiment, after steps S102 and S103, the IMEI number in the module system, the IMEI number on the module label, and the verification result may be sent to the data storage module for storage and display.
As shown in fig. 4, the specific steps of step S104 include:
step S1041, preprocessing the module label image to obtain a module first image; wherein the preprocessing comprises illumination correction, binarization and denoising;
step S1042, performing oblique distortion correction on the first image, and cutting out the area where the label is located by using edge detection to obtain a module second image;
s1043, cutting out an area where the IMEI number is located based on the second image of the module to obtain a third image of the module;
step S1044, cutting out a single IMEI number character based on the third image of the module to obtain a fourth image of the module;
and S1045, identifying the fourth image of the module by adopting a machine learning identification method to acquire the IMEI number on the label of the module.
As shown in fig. 5, the specific steps of step S106 include:
step S1061, the main control module calculates the difference between the IMEI number on the module label and the IMEI number in the module system;
step S1062, judging whether the difference is 0, if so, determining that the proofreading is correct, executing step S1063, otherwise, determining that the proofreading is abnormal, and executing step S1064; (ii) a
Step S1063, sending the correction result to a data storage module for storage and a display module for display;
and S1064, sending the proofreading result to a data storage module for storage, displaying by a display module, sending a warning to prompt a worker to proofread the IMEI number of the module again.
The method for automatically checking the IMEI number of the module provided by the embodiment adopts the image acquisition module to acquire the image of the module, processes the image to cut out a single IMEI number character, adopts the machine learning identification method to complete character identification, acquires the IMEI number on the label of the module, checks the IMEI number on the label of the module and the IMEI number in the module system, and sends a checking warning when the IMEI number of the module is abnormal, and prompts manual checking again to confirm. This automatic proofreading device can realize proofreading the module IMEI number automatically, compares with prior art, has improved detection efficiency.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The module IMEI number automatic correction device is characterized by comprising an image acquisition module, a USB module, a main control module and a power supply module;
the image acquisition module is used for acquiring a module label image and transmitting the module label image to the main control module;
the main control module is used for controlling the power supply module to electrify the module and sending an AT command to the module through the USB module so as to acquire an IMEI number in the module system;
the main control module is also used for analyzing and processing the received module label image so as to acquire the IMEI number on the module label and proofreading the IMEI number on the module label and the IMEI number in the module system.
2. The modular IMEI number automatic checking device according to claim 1, further comprising a data storage module for storing the IMEI number on the module label and the IMEI number and the checking result in said modular system, which are transmitted from the main control module; and/or, the module IMEI number automatic proofreading device also comprises a display module, and the display module is used for displaying the IMEI number on the module label, the IMEI number in the module system and the proofreading result which are sent by the main control module.
3. The modular IMEI number automatic checking device according to claim 1, further comprising a fixing device for fixing said image capturing module, USB module and power supply module;
a clamping seat is arranged in the fixing device and used for fixing the module;
the image acquisition module comprises a camera, and the camera and the module in the card seat are arranged oppositely.
4. The automatic checking device for the IMEI number of a module according to claim 3, wherein said card socket is adapted to simultaneously fix a plurality of modules, said image capturing module comprises a plurality of cameras, and said cameras are disposed opposite to said modules one by one.
5. The module IMEI number automatic checking device according to claim 1, wherein said main control module comprises:
the preprocessing unit is used for preprocessing the module label image to obtain a module first image; wherein the preprocessing comprises illumination correction, binarization and denoising;
the correction unit is used for carrying out oblique distortion correction on the first image and cutting out the area where the label is located by utilizing edge detection so as to obtain a module second image;
the first cutting unit is used for cutting out the region where the IMEI number is located based on the second image of the module so as to obtain a third image of the module;
the second cutting unit is used for cutting out a single IMEI number character based on the third image of the module so as to obtain a fourth image of the module;
and the identification unit is used for identifying the fourth image of the module by adopting a machine learning identification method so as to acquire the IMEI number on the label of the module.
6. The apparatus for automatically checking the IMEI number of a module according to claim 1, wherein said main control module is adapted to calculate the difference between the IMEI number on said module label and the IMEI number in said module system during checking, and determine whether said difference is 0, if yes, it is determined that the checking is correct, and if no, it is determined that the checking is abnormal, and an alarm is issued.
7. A modular IMEI number automatic correction method, implemented by the modular IMEI number automatic correction apparatus according to claim 1, the modular IMEI number automatic correction method comprising:
the image acquisition module acquires a module label image and transmits the module label image to the main control module;
the main control module controls the power supply module to electrify the module and sends an AT command to the module through the USB module so as to acquire an IMEI number in the module system;
and the main control module analyzes and processes the received module label image to acquire the IMEI number on the module label and collates the IMEI number on the module label and the IMEI number in the module system.
8. The modular IMEI number automatic correction method according to claim 7, wherein said modular IMEI number automatic correction device further comprises a data storage module and/or a display module, said modular IMEI number automatic correction method further comprises:
the main control module sends the IMEI number on the module label, the IMEI number in the module system and the proofreading result to the data storage module for storage; and/or the main control module sends the IMEI number on the module label, the IMEI number in the module system and the proofreading result to the display module for displaying.
9. The method for automatically checking the IMEI number of a module according to claim 7, wherein said step of said main control module analyzing and processing the received image of said module label to obtain the IMEI number on the module label specifically comprises:
preprocessing the module label image to obtain a module first image; wherein the preprocessing comprises illumination correction, binarization and denoising;
performing oblique distortion correction on the first image, and cutting out the area where the label is located by utilizing edge detection to obtain a module second image;
cutting out the region where the IMEI number is located based on the second image of the module to obtain a third image of the module;
cutting out a single IMEI number character based on the third image of the module to obtain a fourth image of the module;
and identifying the fourth image of the module by adopting a machine learning identification method so as to acquire the IMEI number on the label of the module.
10. The method for automatically checking the IMEI number of a module according to claim 7, wherein said step of checking the IMEI number of said module tag and the IMEI number of said module system comprises the steps of:
and the main control module calculates the difference between the IMEI number on the module label and the IMEI number in the module system, judges whether the difference is 0, determines that the proofreading is correct if the difference is 0, determines that the proofreading is abnormal if the difference is not 0, and sends an alarm.
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