CN106529365B - Automatic price machine - Google Patents
Automatic price machine Download PDFInfo
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- CN106529365B CN106529365B CN201611103098.9A CN201611103098A CN106529365B CN 106529365 B CN106529365 B CN 106529365B CN 201611103098 A CN201611103098 A CN 201611103098A CN 106529365 B CN106529365 B CN 106529365B
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- China
- Prior art keywords
- bar code
- camera
- unit
- code region
- image processing
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Classifications
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- 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
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Cash Registers Or Receiving Machines (AREA)
Abstract
The invention discloses a kind of automatic price machines, comprising: the supporting element for arrangement of goods；The camera of capture is carried out for the outer surface to cargo；Camera is clapped for identification the bar code region on picture and the image processing apparatus for reading bar code information, image processing apparatus are connected to camera.The setting that such automatic price machine passes through camera and image processing apparatus, passing through a capture and picture is being handled, it can valuate to one or simultaneously to multiple commodity, be conducive to improve barcode scanning efficiency, reduce the labor intensity of cashier, save the check-out time of customer, simultaneously, the production cost of commodity manufacturer is not will increase, recognition effect is preferable, the occurrence of the distance between commodity and camera require the required distance relative to commodity and barcode scanning device in the prior art to reduce, reduce drain sweep.
Description
Technical field
The present invention relates to valuation equipment technical field, in particular to a kind of automatic price machines.
Background technique
Currently, market bar code detection need with manual operation hold barcode scanning device or by vertical barcode scanning gun be aligned bar code into
Row barcode scanning, and valuated according to barcode scanning result.
Such pricing mode needs cashier to be directed at commodity to be scanned one by one with detection mouth, need to expend cashier compared with
More labour, meanwhile, it also consumes customer and a large amount of time carries out queuing checkout.
Therefore, the efficiency for how improving barcode scanning, is a technical problem that technical personnel in the field need to solve at present.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of automatic price machine, the efficiency of barcode scanning is higher.
To achieve the above object, the invention provides the following technical scheme:
A kind of automatic price machine, comprising:
Supporting element for arrangement of goods；
The camera of capture is carried out for the outer surface to cargo；
The camera is clapped for identification the bar code region on picture and the image processing apparatus for reading bar code information,
Described image processing unit is connected to the camera.
Preferably, the camera is at least two, and the coverage of the different cameras is not overlapped.
Preferably, described image processing unit includes:
Image mosaic module generates one for splicing the picture of all camera synchronization shootings
Total pretreatment figure；
Framing module, for finding bar code region, the connection of described image locating module in total pretreatment figure
In described image splicing module；
Bar code information obtains module, and for reading the bar code information in bar code region, the bar code information obtains module connection
In described image locating module.
Preferably, described image locating module includes:
Binarization unit, for being handled by adaptive two-tone images algorithm total pretreatment figure；
Cut unit, for according to setting tailoring rule by the binarization unit treated the total pretreatment figure sanction
Multiple subregion figures are cut into, the cutting unit is connected to the binarization unit；
Screening unit, for the subregion figure containing bar code region to be screened and spelled according to setting screening foundation
Secondary spliced map is delivered a child into, the screening unit is connected to the cutting unit；
Recognition unit cuts bar code region, the knowledge for finding the bar code region in the secondary spliced map
Other unit is connected to the screening unit.
Preferably, the screening unit is according to the Gradient Features, angle point or straight line parallel degree of the subregion figure to containing
The subregion figure in bar code region, which is screened and spliced, generates secondary spliced map.
Preferably, the bar code information acquisition module includes:
Adjustment unit, for being ajusted inclined bar code region according to Hough straight-line detection method；
Reading unit, for determining that the letter that bar code region includes is read in the analysis of data bit algorithm according to code-bar empty position
Breath.
Preferably, the supporting element is transparent conveyer belt.
Preferably, the conveyer belt is transparent conveyor belt, and six cameras are separately positioned on the upper of the conveyer belt
Side, downside, left side, right side, front side, rear side, the conveyer belt are transmitted towards the front side of the conveyer belt.
It preferably, further include shading piece and light source, the shading piece covers at all cameras and the transmission
The outside of the capture point taken, the light source are set in the shading piece.
Preferably, described image processing unit includes human-computer interaction module, for showing bar code information and completing to pay the bill.
Automatic price machine provided by the invention includes supporting element, camera；And image processing apparatus.When in use, nothing
By the quantity of goods placed on supporting element how, so that the bar code region of cargo is located at the coverage of camera, each camera shooting
Head shoots picture simultaneously for cargo, and image processing apparatus can be identified and be read on obtained picture with image processing techniques
Bar code information on cargo can valuate according to bar code information.
Such automatic price machine passes through the setting of camera and image processing apparatus, by a capture and to picture
It is handled, can be valuated to one or simultaneously to multiple commodity, be conducive to improve barcode scanning efficiency, reduce the labor of cashier
Fatigue resistance saves the check-out time of customer, meanwhile, not will increase the production cost of commodity manufacturer, recognition effect is preferable, commodity with
The distance between camera requires the required distance relative to commodity and barcode scanning device in the prior art to reduce, and reduces drain sweep situation
Generation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of image processing apparatus in the specific embodiment of automatic price machine provided by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of automatic price machine, and the efficiency of barcode scanning is higher.
Referring to FIG. 1, Fig. 1 is the signal of image processing apparatus in the specific embodiment of automatic price machine provided by the present invention
Figure.
In a kind of specific embodiment of automatic price machine provided by the present invention, comprising:
Supporting element for arrangement of goods；
The camera of capture is carried out for the outer surface to cargo；
Camera is clapped for identification the bar code region on picture and the image processing apparatus for reading bar code information, image
Processing unit is connected to camera.
When in use, regardless of the quantity of goods placed on supporting element, the bar code region of cargo is made to be located at camera
Coverage, each camera be simultaneously cargo shooting picture, image processing apparatus can with image processing techniques
To picture on identify and read the bar code information on cargo, can be valuated according to bar code information.
Such automatic price machine passes through the setting of camera and image processing apparatus, by a capture and to picture
It is handled, can be valuated to one or simultaneously to multiple commodity, be conducive to improve barcode scanning efficiency, reduce the labor of cashier
Fatigue resistance saves the check-out time of customer, meanwhile, not will increase the production cost of commodity manufacturer, recognition effect is preferable, commodity with
The distance between camera requires the required distance relative to commodity and barcode scanning device in the prior art to reduce, and reduces drain sweep situation
Generation.
In above-described embodiment, camera can be at least two, and the coverage of different cameras is not overlapped, to prevent
The case where same position in same bar code region is shot simultaneously by different cameras and a commodity is caused repeatedly to valuate.If
Set at least two cameras, it is possible to reduce the limitation of the position of commodity is placed to cashier, meanwhile, be conducive to set bar code region
Set the scanning in the bar code region on the rib of commodity packaging.
On the basis of the above embodiments, image processing apparatus can specifically include:
Image mosaic module 1 generates one always in advance for splicing the picture of the same time shooting of all cameras
Processing figure；
Framing module 2, for finding bar code region in always pretreatment figure, framing module 2 is connected to image
Splicing module 1；
Bar code information obtains module 3, and for reading the bar code information in bar code region, bar code information obtains module 3 and is connected to
Framing module 2.
After the picture that image processing apparatus receives camera shooting, first all pictures by synchronization shooting are spelled
It is connected into a total pretreatment figure, searches out bar code region in total pretreatment figure, then read the bar code information in bar code region
Commodity are completed to valuate, wherein the bar code region of same commodity may be divided into several parts and by different camera captures, in life
At that can splice complete to such bar code region when total pretreatment figure and read information, further decreases commodity and be placed in supporting element
On requirement, enable this automatic price machine preferably be suitable for commodity in irregular shape valuation, improve barcode scanning efficiency with
Accuracy rate.
Wherein, the mode for being spliced into total pretreatment figure can be successively to be spliced into each picture along a direction initialization
One plan view, setting are convenient.Or other settings can be carried out according to the quantity of camera, for example, camera if it is
Five, i.e. picture is five, can be spliced into an intermediate picture and the picture all around around the form of other four pictures.
In above-described embodiment, framing module 2 is specifically included:
Binarization unit, for being handled by adaptive two-tone images algorithm total pretreatment figure；
Unit is cut, for treated that total pretreatment figure is cut into is multiple by binarization unit according to setting tailoring rule
Subregion figure cuts unit and is connected to binarization unit；
Screening unit, for being screened according to setting screening foundation to the subregion figure containing bar code region and splicing life
At secondary spliced map, screening unit is connected to cutting unit；
Recognition unit cuts bar code region, recognition unit connects for finding the bar code region in secondary spliced map
It is connected to screening unit.
Total pretreatment figure can be converted into black and white picture according to adaptive Binarization methods in the prior art, be convenient for
Identification, is cut into multiple subregion figures for total pretreatment figure, so as to improve the precision for looking for bar code region, will contain bar code
The subregion figure in region screens and is stitched together to form secondary spliced map, then will be in secondary spliced map by recognition unit
Bar code region find and cut, all bar code regions can be obtained.Wherein the identification feature in bar code region is black and white
Alternate strip region identification feature can identify bar code region in subregion figure and secondary spliced map accordingly.Repeatedly cut
With splicing, the accuracy of bar code region recognition can be improved.
Wherein, setting tailoring rule is specifically as follows cuts total pretreatment figure in proportion, and ratio can be according to the big of picture
Small to be configured, for example, picture can be divided into n subregion figures along a side of picture, n is the integer greater than zero.
Or equal part can be carried out in the length-width direction of total pretreatment figure.
In above-mentioned each embodiment, screening unit can be according to the Gradient Features of subregion figure, angle point or straight line parallel degree
Subregion figure containing bar code region is screened and is spliced and generates secondary spliced map, to realize accurate screening.Wherein, each son
The straight line parallel degree of administrative division map can come out according to Hough straight-line detection.It is of course also possible to which different screening foundations is integrated
To be screened.
In above-mentioned each embodiment, bar code information obtains module 3 and can specifically include:
Adjustment unit, for being ajusted inclined bar code region according to Hough straight-line detection method；
Reading unit, for determining that the letter that bar code region includes is read in the analysis of data bit algorithm according to code-bar empty position
Breath.
Bar code region is ajusted and determines that data bit algorithm reads bar code letter by the prior art code-bar empty position again
Breath is conducive to improve the accuracy that information is read.
In above-mentioned each embodiment, supporting element is specifically as follows conveyer belt, while playing a supporting role in valuation, just
Customer Yu extracts article, is conducive to the labor intensity for further decreasing cashier and saves the time of customer.It is all transported in cargo
It can stop the movement of conveyer belt when being sent to the capture point of camera, carry out capture operation.
In above-mentioned each embodiment, conveyer belt is specifically as follows transparent conveyor belt, and six cameras can be separately positioned on
The upside of conveyer belt, downside, left side, right side, front side, rear side, conveyer belt are transmitted towards the front side of conveyer belt, upside, downside, a left side
Side, right side, rear side are set gradually on the basis of conveyer belt direction of transfer.Capture, shooting angle are carried out from six orientation of conveyer belt
Degree is more comprehensive, further decreases and puts requirement to commodity.
Specifically, transparent conveyor belt can be PVC transparent conveyer belt, convenient for materials.
In above-mentioned each embodiment, camera is specifically as follows USB ultra high-definition industry camera, the clarity of shooting compared with
It is high.Correspondingly, the image procossing of image processing apparatus can obtain the picture of camera shooting by MATLAB program, wherein
Winvideo video adapter in the OS Generic Video Interface kit of MATLAB can carry out usb2.0 and take the photograph
As head acquired image frames.
Automatic price machine can also include shading piece and light source, and shading piece covers on all cameras and conveyer belt
The outside of capture point, light source are arranged in shading piece.In capture, commodity are located in shading piece, and spy is arranged in shading piece
Fixed light source can prevent the influence of the uncertain factors such as the article around the illumination and automatic price machine of natural light from normally taking
Picture.
Specifically, shading piece can be spliced for multiple black cloths, or be spliced by lighttight barn door, be arranged
It is convenient, and cost is relatively low.
In above-mentioned each embodiment, image processing apparatus includes human-computer interaction module, for showing bar code information and completing
Payment.Human-computer interaction module can realize that MATLAB can complete the processing to picture by VB program, and VB program can be called
The engine interface of MATLAB is communicated using the channel OLE or ActiveX of Windows with MATLAB.Object.Execute
(MATLAB sentence) VB program can in directly using MATLAB provide function library and shape library.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Automatic price machine provided by the present invention is described in detail above.Specific case used herein is to this
The principle and embodiment of invention is expounded, method of the invention that the above embodiments are only used to help understand and
Its core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention
In range.
Claims (7)
1. a kind of automatic price machine characterized by comprising
Supporting element for arrangement of goods；
The camera of capture is carried out for the outer surface to cargo；
The camera is clapped for identification the bar code region on picture and the image processing apparatus for reading bar code information, it is described
Image processing apparatus is connected to the camera；
Wherein, the camera is at least two, and the coverage of the different cameras is not overlapped；
Wherein, described image processing unit includes: image mosaic module, for shoot all camera synchronizations
Picture is spliced, and a total pretreatment figure is generated；Framing module, for finding bar code area in total pretreatment figure
Domain, described image locating module are connected to described image splicing module；Bar code information obtains module, for reading bar code region
Bar code information, the bar code information obtain module and are connected to described image locating module；
Wherein, described image locating module includes:
Binarization unit, for being handled by adaptive two-tone images algorithm total pretreatment figure；
Unit is cut, for treated that total pretreatment figure is cut by the binarization unit according to setting tailoring rule
Multiple subregion figures, the cutting unit are connected to the binarization unit；
Screening unit, for being screened according to setting screening foundation to the subregion figure containing bar code region and splicing life
At secondary spliced map, the screening unit is connected to the cutting unit；
Recognition unit cuts bar code region, the identification is single for finding the bar code region in the secondary spliced map
Member is connected to the screening unit.
2. automatic price machine according to claim 1, which is characterized in that the screening unit is according to the subregion figure
Gradient Features, angle point or straight line parallel degree, which screen the subregion figure containing bar code region and splice, generates secondary spelling
Map interlinking.
3. automatic price machine according to claim 1, which is characterized in that the bar code information obtains module and includes:
Adjustment unit, for being ajusted inclined bar code region according to Hough straight-line detection method；
Reading unit, for determining that the information that bar code region includes is read in the analysis of data bit algorithm according to code-bar empty position.
4. according to claim 1 to automatic price machine described in 3 any one, which is characterized in that the supporting element is transparent
Conveyer belt.
5. automatic price machine according to claim 4, which is characterized in that the conveyer belt is transparent conveyor belt, six institutes
State upside, downside, left side, right side, front side, rear side that camera is separately positioned on the conveyer belt, the conveyer belt is towards institute
State the front side transmission of conveyer belt.
6. automatic price machine according to claim 5, which is characterized in that further include shading piece and light source, the shading piece
The outside of the capture point on all cameras and the conveyer belt is covered at, the light source is set to the shading piece
It is interior.
7. automatic price machine according to claim 4, which is characterized in that described image processing unit includes human-computer interaction mould
Block, for showing bar code information and completing to pay the bill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103098.9A CN106529365B (en) | 2016-12-05 | 2016-12-05 | Automatic price machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103098.9A CN106529365B (en) | 2016-12-05 | 2016-12-05 | Automatic price machine |
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| CN106529365A CN106529365A (en) | 2017-03-22 |
| CN106529365B true CN106529365B (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611103098.9A Expired - Fee Related CN106529365B (en) | 2016-12-05 | 2016-12-05 | Automatic price machine |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108345879B (en) * | 2018-04-20 | 2023-11-14 | 杭州麦杰思物联网科技有限公司 | Cargo detection device and detection method thereof |
| US11182759B2 (en) | 2019-04-15 | 2021-11-23 | Advanced New Technologies Co., Ltd. | Self-service checkout counter |
| CN110264645A (en) * | 2019-04-16 | 2019-09-20 | 阿里巴巴集团控股有限公司 | A kind of self-service cash method and equipment of commodity |
| US11113680B2 (en) | 2019-04-16 | 2021-09-07 | Advanced New Technologies Co., Ltd. | Self-service checkout counter checkout |
| CN110634249A (en) * | 2019-09-09 | 2019-12-31 | 深圳市律远汇智科技有限公司 | A handheld terminal transaction device for parking management's convenient to use |
| CN110807500A (en) * | 2019-12-13 | 2020-02-18 | 深圳市骄冠科技实业有限公司 | Bar code radio frequency identification device moving along with luggage/goods |
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| WO2006011829A1 (en) * | 2004-07-21 | 2006-02-02 | Alexandr Nikolaevich Shalygin | Goods selling method and a point-of-sale terminal for carrying out said method |
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Granted publication date: 20190906 Termination date: 20201205 |