CN106056028B - A kind of method and its device that quick scanning record is single - Google Patents
A kind of method and its device that quick scanning record is single Download PDFInfo
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- CN106056028B CN106056028B CN201610490048.4A CN201610490048A CN106056028B CN 106056028 B CN106056028 B CN 106056028B CN 201610490048 A CN201610490048 A CN 201610490048A CN 106056028 B CN106056028 B CN 106056028B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 22
- 230000004044 response Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 13
- 238000011156 evaluation Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000010408 sweeping Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003550 marker Substances 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
- G06K7/1452—Methods for optical code recognition including a method step for retrieval of the optical code detecting bar code edges
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
Abstract
The invention discloses a kind of methods that quick scanning record is single, including：S1, extraction face singly identify, and extraction face list mark includes the identification code on the list of identification face, and identification code is Quick Response Code or bar code；S2, four apex coordinates of identification code are determined；And extrapolate identification code length and width by four apex coordinates；S3, by extracting the essential information of face list to be scanned from database from the mark of extraction in S1；S4, the reckoning size of face list to be scanned is extrapolated by the identification code knead dough list Aspect Ratio extracted in the identification code length and width that are calculated in S2 and S3；S5, using the original size of the extraction in S3 as shooting frame size, when the reckoning size in S4 fall completely within shooting frame in be just scanned；Without scanning if calculating that size is not fallen completely in shooting frame, and user is reminded to operate again, calculates that size is entirely fallen in shooting frame until meeting.The invention also discloses a kind of single devices of scanning record based on the single method of above-mentioned quick scanning record.
Description
Technical field
This application involves technical field of information processing, more particularly to a kind of method and device that quick scanning record is single.
Background technology
At present during the express delivery face of progress is singly signed for, generally require to record the odd numbers for being signed for face list and shooting
The lower picture for being signed for face list.However in concrete application scene, record is signed for the odd numbers of face list and is shot by the face of signing for
Single picture generally requires to be divided into multiple steps to complete, and may be because that artificial factor leads to the letter for recording or shooting
Breath is inaccurate or invalid, causes the process of information collection very complicated and wrong more, this not only adds courier's
Burden, while also causing the consequences such as information delay or information omission.
Although presently, there are some directly can quickly scan the single method of record, its discrimination is not generally high, scanning
Speed is slow, causes that service efficiency is low, in a disguised form increases the burden of courier.
Invention content
In view of the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide a kind of quickly scanning records
Single method can realize quickly identification, scanning to express delivery list.
To achieve the above object, the present invention provides a kind of methods that quick scanning record is single, including：
S1, extraction face singly identify, and extraction face list mark includes the identification code on the list of identification face, the identification code
For Quick Response Code or bar code；
S2, four apex coordinates of identification code are determined；And extrapolate identification code length and width by four apex coordinates；
S3, by extracting the essential information of face list to be scanned from database from the mark of extraction in S1, it is described
Essential information includes at least the original size of identification code length and width and face list Aspect Ratio to be scanned, face to be scanned list；
S4, it is extrapolated with the identification code knead dough list Aspect Ratio that is extracted in S3 by the identification code length and width that are calculated in S2
The reckoning size of face list to be scanned；
The identification code size of the express delivery list of every express company and the Aspect Ratio of face list size, identification code and face list are equal
It is different.Therefore, as long as identification be which company express delivery list after directly know the master data of the express delivery list, such as face
Single original size, identification code size, identification code and the direct Aspect Ratio of face list original size.It can be first by the express delivery of each company
Single master data is arranged, and database is formed, and can be directly when in use in this way which is fast by identification code identification
The express delivery list of company is passed, then by identifying that express company recalls the said firm or this express delivery list essential information.
Even if the same express delivery of the face list size of You Duo companies, the coordinate of identification code size and identification code on the list of face
It is single, calculating is nor affected on, confirmed, distinguished eventually by the mark of extraction.
S5, using the original size of the extraction in S3 as shooting frame size, when the reckoning size in S4 falls completely within bat
It takes the photograph in frame and is just scanned；Without scanning if calculating that size is not fallen completely in shooting frame, and user is reminded to grasp again
Make, calculates that size is entirely fallen in shooting frame until meeting.
As a further improvement on the present invention, the mark of the extraction face list to be scanned specifically includes：
The digital number on face list to be scanned is extracted, and the digital number is determined as to the mark of the face list to be scanned
Know；The mark of the face list to be scanned is either obtained from the bar code or Quick Response Code on face list to be scanned.
As a further improvement on the present invention, further include identify the clarity of the single corresponding picture in the face to be scanned, and
According to the result of identification, to the face to be scanned, singly corresponding picture is handled；
The mark of treated the face to be scanned singly corresponding picture and the face list to be scanned is associated.
As a further improvement on the present invention, the clarity of the single corresponding picture in the identification face to be scanned, and root
According to identification result to the face to be scanned singly corresponding picture carry out processing specifically include：
Using sharpness evaluation function, to the face to be scanned, singly corresponding picture is identified, and determines the face to be scanned
The clarity of single corresponding picture；
When the determining clarity meets preset condition, by the face to be scanned, singly corresponding picture is converted to two-value
Figure；
When the determining clarity is unsatisfactory for preset condition, by the face to be scanned, singly corresponding picture is converted to ash
Degree figure.
As a further improvement on the present invention, the sharpness evaluation function includes image histogram function, energy variance
At least one of function, entropy function or frequency spectrum function.
As a further improvement on the present invention, will singly corresponding picture waits sweeping with described treated the face to be scanned
Retouch face list mark be associated after, the method further includes：
The corresponding picture of mark of the face list to be scanned is sent to external equipment by wireless network.The outside
Equipment can be printer or server etc..
A kind of single device of scanning record based on the single method of above-mentioned quick scanning record, which is characterized in that including：
Marker extraction unit, for extracting the mark on face list to be scanned；
Database, the essential information for storing each company's express delivery list, the essential information include at least identification code length
Wide knead dough list Aspect Ratio, face list original size；The database can be stored directly in the single device of scanning record
In storage device, the face forms data needed for the single device of scanning record can also be passed to from external device by network；
Face list size projected unit, the size of face list is calculated by identification code size, is singly with determining scanned face
It is no to fall completely in the list original size of face, prevent face single sweep imperfect.
Further include picture processing unit as being further improved for the above-mentioned scanning single device of record, for identifying described wait for
The clarity of the corresponding picture of scanning plane list, and according to the result of identification to the face to be scanned singly corresponding picture at
Reason；
Associative cell is used for the mark of treated the face to be scanned singly corresponding picture and the face list to be scanned
It is associated.
As being further improved for the above-mentioned scanning single device of record, the picture processing unit specifically includes：
Clarity determining module, for singly corresponding picture is known to the face to be scanned using sharpness evaluation function
Not, the clarity of the single corresponding picture in the face to be scanned is determined；
First conversion module, for when the determining clarity meets preset condition, by the face single pair to be scanned
The picture answered is converted to binary map；
Second conversion module, it is for when the determining clarity is unsatisfactory for preset condition, the face to be scanned is single
Corresponding picture is converted to gray-scale map.
As being further improved for the above-mentioned scanning single device of record, described device further includes：
Wireless transmission unit, for the single device of scanning record to be connect and carried out with external equipment by wireless network
Data exchange is such as used for the corresponding picture of mark of the face list to be scanned being sent to printing device or clothes by wireless network
Business device；Section forms data etc. under server.
The beneficial effects of the invention are as follows：A kind of method and device that scanning record is single provided by the invention, is treating scanning plane
While single progress barcode scanning, single effective scanning that can be appeared by identification code conversion tends to, so as to quickly and accurately obtain
Take the mark and the single corresponding effective picture in the face of face list to be scanned.And the embodiment of the present application can also be according to the clear of picture
Clear degree is handled accordingly, be ensure that the content of picture can correctly be understood, is improved the precision of information collection.
Description of the drawings
Fig. 1 is a kind of single method flow diagram of quick scanning record provided by the embodiments of the present application.
Fig. 2 is a kind of single apparatus function module map of scanning record provided by the embodiments of the present application.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples：
As shown in Figure 1, a kind of method of quick scanning record list may include：
S1, extraction face singly identify, and identify the identification code on the list of face, and the identification code is Quick Response Code or bar code；
The extraction face singly identifies, may include bar code either on the face list of digital number on the face list or
Quick Response Code.In the embodiment of the present application, the digital number on the face list can be identified and be carried by image identification system
It takes, the unique mark so as to the digital number that will extract as face list.Certainly, the embodiment of the present application can be with opposite list
On bar code either Quick Response Code is decoded to obtain the bar code or the corresponding digital coding of Quick Response Code, and by the number
Encode the unique mark as the face list to be scanned.
Specifically, by taking bar code as an example, the bar code is often to be formed by secret note and informal voucher of different size, this Shen
Please embodiment can pass through optoelectronic detecting device and incude secret note or the corresponding electric signal of informal voucher.The secret note and informal voucher are corresponding
Signal duration is often different, to which corresponding pulse digit electric signal can be generated after optoelectronic detecting device incudes,
The corresponding digital coding of the bar code can be obtained by being decoded to these pulse digit electric signals, it is hereby achieved that
The unique mark of the face list to be scanned.
Identification code, the barcode scanning software phase of read method and current mainstream can certainly be directly read using camera
Together, if the scanning of wechat, Tencent QQ is far from similar.
S2：Determine four apex coordinates of identification code；And extrapolate identification code length and width by four apex coordinates；
The coordinate of four points of identification code is set to respectively first：（x0,y0）,（x1,y1）,（x2,y2）,（x3,y3）, then lead to
It crosses four coordinates and calculates identification code length and width.
S3, by extracting the essential information of face list to be scanned from database from the mark of extraction in S1, it is described
Essential information includes at least the original size of identification code length and width and face list Aspect Ratio to be scanned, face to be scanned list；
S4, it is extrapolated with the identification code knead dough list Aspect Ratio that is extracted in S3 by the identification code length and width that are calculated in S2
The reckoning size of face list to be scanned；
Such as：Assuming that on face list to be scanned being one-dimension code, and identify that four coordinates of one-dimension code are（x0,y0）,（x1,
y1）,（x2,y2）,（x3,y3）；
The length w and height h of one-dimension code can be calculated by the following method：
w=sqrt[(x0-x1)*(x0-x1)+(y0-y1)*(y0-y1)]；
h=sqrt[(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)]；
And the length and width of each face list and the Aspect Ratio relationship of one-dimension code are fixed, it is assumed that：
Rw=long/one-dimensional code length of face list；
Rh=face list width/one-dimension code is high；
Single length and width of appearing can so be calculated：
Reckoning length=w*rw of face list；
Reckoning width=h*rh of face list；
Above-mentioned reckoning length and reckoning width are exactly that face singly calculates size.
S5, using the original size of the extraction in S3 as shooting frame size, when the reckoning size in S4 falls completely within bat
It takes the photograph in frame and is just scanned；Without scanning if calculating that size is not fallen completely in shooting frame, and user is reminded to grasp again
Make, calculates that size is entirely fallen in shooting frame until meeting.
S6：Identify the clarity of the single corresponding picture in the face to be scanned, and according to the result of identification to described to be scanned
Singly corresponding picture is handled in face.
The picture shot in step S5 is often color image, it is contemplated that storage or the post-processing of picture, such as
Fruit can occupy considerable resource if using color image.It therefore, in the embodiment of the present application, can be to the face to be scanned
The clarity of single corresponding picture is identified, and according to the result of identification to the face to be scanned singly corresponding picture at
Reason.The purpose of processing is in the case where guaranteeing correctly to understand image content, the occupied resource of compressed picture.
Specifically, the face single pair to be scanned can be answered using sharpness evaluation function in one preferred embodiment of the application
Picture be identified, determine the clarity of the single corresponding picture in the face to be scanned.The sharpness evaluation function for example may be used
To include at least one of image histogram function, energy variance function, entropy function or frequency spectrum function.Above-mentioned is various clear
The clear clarity processing means spent evaluation function and be commonly used in the art, just repeat no more here.
In the embodiment of the present application, the centre-to-centre spacing of picture is also based on to determine the clarity of the picture.Specifically,
The embodiment of the present application can weigh the clarity of the picture using following formula：
SHARP=k1ACM+k2HPACM
Wherein, SHARP represents picture clarity evaluation index, k1And k2It is coefficient, the sum of the two represents for 1, ACM
The absolute center of picture away from, HPACM represent the high-pass filtering absolute center of picture away from.
By the absolute center of picture away from and the high-pass filtering absolute center of picture constrained away from joint so that the figure
Piece clarity evaluation index both has advantage of overall importance, while nearby picture has enough quantified precisions to focal plane again,
It can preferably reflect the clarity of picture.
In the embodiment of the present application, after the face to be scanned singly clarity of corresponding picture is determined, can sentence
Whether determining clarity of breaking meets preset condition.The preset condition for example can be preset articulation index threshold value.When true
It, can singly corresponding picture be converted to binary map by the face to be scanned when the fixed clarity meets preset condition.At this time
Meet preset condition then represent picture clarity it is preferable, then can binary map be converted to colored picture.Binary map
Refer to that each pixel in picture only has both black or white colors, gray value not to have intermediate form.Due to picture
Clarity meets preset condition, then can equally ensure preferable clarity, energy after colored picture is converted to binary map
Enough correct contents understood in binary map.Binary map the space occupied is few, can be that subsequent storage and processing offer convenience.
When the determining clarity is unsatisfactory for preset condition, then can by the face to be scanned singly corresponding picture turn
It is changed to gray-scale map.When the clarity of picture is bad, if being equally converted into binary map, due to the letter carried in binary map
Cease it is less,, can be to correctly solving interpreting blueprints although occupied space tails off to which the picture for being likely to obscure becomes more to obscure
The content of piece brings puzzlement.Therefore, in the embodiment of the present application, the picture that clarity can be unsatisfactory for preset condition is converted to
Gray-scale map.Has the series of gray scale in gray-scale map, the pixel in gray-scale map also no longer only has black or white it can be selected that but can
To carry abundanter information, after ensureing that the lower picture of clarity is converted to gray-scale map, accounted in appropriate reduction
While with space, it can ensure the correctness for understanding image content.
In this way, by above-mentioned processing mode, the embodiment of the present application can correspondingly be handled the picture of shooting,
The occupied space of picture can not only be reduced, while can correctly understand the content of picture.
S7：The mark of treated the face to be scanned singly corresponding picture and the face list to be scanned is associated.
The embodiment of the present application is handling the face to be scanned singly after corresponding picture, can will treated described waits for
The corresponding picture of scanning plane list and the mark of the face list to be scanned are associated, to can be with by the mark of face to be scanned list
Directly inquire picture associated there.Specifically, in the embodiment of the present application, it is described to store that various ways may be used
The incidence relation of mark and the picture.Such as the mark and the picture can be stored according to the form of list,
May exist two column datas in list, the first column data may correspond to the mark of the face list to be scanned, and the second column data is then
The picture that may correspond to that treated, mark and picture with incidence relation can be located at same a line of list.In this way, passing through
The form of key-value can will identify and be used as key, value corresponding with the key in quick search to list, that is,
Treated picture corresponding with the mark.
In the embodiment of the present application, will singly corresponding picture and the face to be scanned be single treated the face to be scanned
Mark be associated after, the corresponding picture of mark of the face list to be scanned can be sent to printing by wireless network
Equipment is printed.Specifically, the wireless network may include in WiFi network, blueteeth network or other mobile networks
At least one, be wirelessly connected by being established with printing device, so as to choose the mark of face list to be scanned, thus by the mark
Know corresponding picture printing device is sent to by wireless network and is printed.Furthermore it is also possible to which the mark by selection is corresponding
Picture is sent to remote server and carries out storage or further processing.
The embodiment of the present application also provides a kind of single device of scanning record.Fig. 2 is a kind of scanning record provided by the embodiments of the present application
Single apparatus function module map.As shown in Fig. 2, described device may include：
Marker extraction unit 100, for extracting the mark of face list to be scanned；
Database 200, the essential information for storing each company's express delivery list, the essential information include at least identification code
Length and width knead dough list Aspect Ratio, face list original size；Picture processing unit 300, for identifying that the face to be scanned is singly corresponding
The clarity of picture, and to the face to be scanned, singly corresponding picture is handled according to the result of identification；
Face list size projected unit 300, the size of face list is calculated by identification code size, to determine that scanned face is single
Whether fall completely in the list original size of face, prevents face single sweep imperfect.
In another preferred embodiment of the application, the picture processing unit 400 specifically includes：
Clarity determining module, for singly corresponding picture is known to the face to be scanned using sharpness evaluation function
Not, the clarity of the single corresponding picture in the face to be scanned is determined；
First conversion module, for when the determining clarity meets preset condition, by the face single pair to be scanned
The picture answered is converted to binary map；
Second conversion module, it is for when the determining clarity is unsatisfactory for preset condition, the face to be scanned is single
Corresponding picture is converted to gray-scale map.
In another preferred embodiment of the application, described device can also include：
Associative cell 500, is used for that singly corresponding picture and the face to be scanned are single by treated the face to be scanned
Mark is associated.
Wireless transmission unit 600, for sending the corresponding picture of mark of the face list to be scanned by wireless network
To external equipment.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of method that quick scanning record is single, which is characterized in that including：
S1, extraction face singly identify, and extraction face list mark includes the identification code on the list of identification face, and the identification code is two
Tie up code or bar code；
S2, four apex coordinates of identification code are determined；And extrapolate identification code length and width by four apex coordinates；
S3, by extracting the essential information of face list to be scanned from database from the mark of extraction in S1, described is basic
Information includes at least the original size of identification code length and width and face list Aspect Ratio to be scanned, face to be scanned list；
S4, it waits sweeping to extrapolate with the identification code knead dough list Aspect Ratio extracted in S3 by the identification code length and width calculated in S2
Retouch the reckoning size of face list；
S5, using the original size of the extraction in S3 as shooting frame size, when the reckoning size in S4 falls completely within shooting frame
In be just scanned；Without scanning if calculating that size is not fallen completely in shooting frame, and user is reminded to operate again, directly
Calculate that size is entirely fallen in shooting frame to meeting；
The mark of the extraction face list to be scanned specifically includes：
The digital number on face list to be scanned is extracted, and the digital number is determined as to the mark of the face list to be scanned；Or
Person obtains the mark of the face list to be scanned from the bar code or Quick Response Code on face list to be scanned.
2. a kind of single method of quick scanning record as described in claim 1, which is characterized in that further include waiting sweeping described in identification
The clarity of the single corresponding picture in face is retouched, and singly corresponding picture is handled to the face to be scanned according to the result of identification,
And the mark of treated the face to be scanned singly corresponding picture and the face list to be scanned is associated.
3. a kind of single method of quick scanning record as claimed in claim 2, which is characterized in that the identification face single pair to be scanned
The clarity for the picture answered, and according to the result of identification to the face to be scanned singly corresponding picture carry out processing specifically include：
Using sharpness evaluation function, to the face to be scanned, singly corresponding picture is identified, and determines the face single pair to be scanned
The clarity for the picture answered；
When the determining clarity meets preset condition, by the face to be scanned, singly corresponding picture is converted to binary map；
When the determining clarity is unsatisfactory for preset condition, by the face to be scanned, singly corresponding picture is converted to gray-scale map.
4. a kind of single method of quick scanning record as claimed in claim 3, which is characterized in that the sharpness evaluation function packet
Include image histogram function either energy variance function or at least one of entropy function or frequency spectrum function.
5. a kind of single method of quick scanning record as claimed in claim 2, which is characterized in that will treated described waits sweeping
Retouch face singly corresponding picture and the face list to be scanned mark be associated after, the method further includes：It waits sweeping by described
The corresponding picture of mark for retouching face list is sent to external equipment by wireless network.
6. a kind of single device of scanning record, which is characterized in that including：
Image acquisition unit, it is single for obtaining face to be scanned；
Marker extraction unit, for extracting the mark on face list to be scanned；
Database, the essential information for storing each company's express delivery list, the essential information include at least identification code length and width and
Face list Aspect Ratio, face list original size；
Face list size projected unit, the size of face list is calculated by identification code size, to determine whether scanned face is single complete
It falls into the list original size of face entirely, prevents face single sweep imperfect；
Further include：
Picture processing unit, for identifying the clarity of the single corresponding picture in the face to be scanned, and according to the result pair of identification
Singly corresponding picture is handled in the face to be scanned；
Associative cell is used for the mark progress of treated the face to be scanned singly corresponding picture and face list to be scanned
Association.
7. a kind of single device of scanning record as claimed in claim 6, which is characterized in that the picture processing unit specifically includes：
Clarity determining module, for using sharpness evaluation function, to the face to be scanned, singly corresponding picture is identified,
Determine the clarity of the single corresponding picture in the face to be scanned；
First conversion module, it is for when the determining clarity meets preset condition, the face to be scanned is singly corresponding
Picture is converted to binary map；
Second conversion module, for when the determining clarity is unsatisfactory for preset condition, the face single pair to be scanned is answered
Picture be converted to gray-scale map.
8. a kind of scanning record list device as claimed in claim 6, which is characterized in that described device further includes：Wireless transmission is single
Member, for being connect the single device of scanning record with external equipment by wireless network and carrying out data exchange.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932692B (en) * | 2017-05-26 | 2021-12-31 | 杭州海康机器人技术有限公司 | Method and device for acquiring bill information |
| CN109614834A (en) * | 2018-12-03 | 2019-04-12 | 深圳市迅秒科技有限公司 | A kind of method, equipment and the system of automatic identification express delivery information |
| CN109977720B (en) * | 2019-03-28 | 2021-07-20 | 尤尼泰克(嘉兴)信息技术有限公司 | Method and device for rapidly analyzing two-dimensional code image |
| CN112417914B (en) * | 2020-11-27 | 2024-03-26 | 西安诺瓦星云科技股份有限公司 | Data scanning method and device and electronic equipment |
| CN114859603A (en) * | 2022-05-31 | 2022-08-05 | 广西民族大学 | LCD display screen and definition detection method thereof |
| CN117373053A (en) * | 2022-06-27 | 2024-01-09 | 北京京东振世信息技术有限公司 | Method, device and system for recognizing face sheets |
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