CN108389315A - Item identification method and device and computer readable storage medium - Google Patents
Item identification method and device and computer readable storage medium Download PDFInfo
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- CN108389315A CN108389315A CN201810174634.7A CN201810174634A CN108389315A CN 108389315 A CN108389315 A CN 108389315A CN 201810174634 A CN201810174634 A CN 201810174634A CN 108389315 A CN108389315 A CN 108389315A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
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Abstract
The invention discloses a kind of item identification methods and device and computer readable storage medium, are related to data processing field.Item identification method includes：In response to monitoring that the load capacity of shelf changes, weight change value is obtained；According to the weight of each article, the one or more articles combination determined in article corresponding to weight change value is never settled accounts；According to the attribute that each article combines, the article combination that user picks and places is determined from the combination of one or more articles；The article combination picked and placeed according to user, the set for treating clearing article are updated.It is thus possible to accurately determine out the article that user picks and places, the accuracy rate of article identification is improved.Also, user can carry out picking, goods putting while picking and goods putting, and to increase the flexibility that user uses, the user experience is improved.In addition, the cost of the present invention is low, convenient to carry out and deployment.
Description
Technical field
The present invention relates to data processing field, more particularly to a kind of item identification method and device and computer-readable deposit
Storage media.
Background technology
In the related art, the commodity identifying schemes of automatic vending machine are predominantly based on RFID (Radio Frequency
Identification, less radio-frequency) technology identifying schemes.In this scheme, need to be equipped with one for each commodity
RFID tag.When consumer takes commodity away, commodity can pass through a region for being equipped with RFID reader automatically to be felt
Know, to identify commodity and complete self-checkout.
Another solution is that the scheme of commodity category is determined based on image recognition.By disposing camera on counter
The case where shooting counter, and interframe contrasting detection is carried out by certain frequency, so as to judge whether commodity region is become
Change, to identify the commodity of consumer's purchase.
However, identifying schemes in the related technology are of high cost, discrimination is low.
Invention content
Inventor it is found after analysis that, the shortcomings that technical solution based on RFID, is, for handling capacity it is huge from
Dynamic vending machine scene, RFID tag is expensive, is unfavorable for scene and replicates and promote.Meanwhile RFID tag encounters liquid, metal
Easily decaying shielding, pastes trouble and is easily torn to pieces, and size and distance of reaction difficulty are coordinated, and discrimination is reduced.
The shortcomings that technical solution based on image recognition is, for taking or putting back to simultaneously more than one piece commodity, especially
The case where commodity of more than one piece difference category, is difficult to handle.For picking and placeing the extreme case of commodity simultaneously, image recognition is also difficult to cover
Lid.Therefore discrimination is relatively low.
A technical problem to be solved of the embodiment of the present invention is：How to improve what article in automatic vending scene identified
Accuracy rate.
The first aspect according to some embodiments of the invention provides a kind of item identification method, including：In response to monitoring
Load capacity to shelf changes, and obtains weight change value；According to the weight of each article, never settles accounts in article and determine
One or more articles combination corresponding to weight change value；According to the attribute that each article combines, from one or more articles
The article combination that user picks and places is determined in combination；The article combination picked and placeed according to user, the set for treating clearing article carry out more
Newly.
In some embodiments, each article combination includes at least one article, do not settle accounts article include shelf contents,
Article to be settled accounts, shelf contents are the article for being located at shelf before the load capacity of shelf changes, and article to be settled accounts is goods
The load capacity of frame article to be settled accounts before changing.
In some embodiments, it according to the weight of each article, never settles accounts in article and determines corresponding to weight change value
One or more articles combination include：It is combined to not settling accounts one or more of article article, obtains one or more
A article combination；It calculates each article and combines corresponding variation weight, wherein each article combines corresponding variation weight and is equal to
The weight of shelf contents subtracts the weight of article to be settled accounts in article combination, and weight change value is before the load capacity of shelf changes
With the difference after variation；Variation weight is combined with the article of the gap of weight change value within a preset range and is determined as weight change
Article combination corresponding to change value.
In some embodiments, the correspondence of each article combination is calculated according to the average weight of each article obtained in advance
Variation weight；Include that the article combination of weight change value is determined as the article corresponding to weight change value by weight offset range
Combination, wherein weight offset range is calculated according to the maximum weight offset of each article in combination.
In some embodiments, it in response to monitoring that the load capacity of the unit weighing area on shelf changes, obtains
Take the weight change value of unit weighing area；According to the weight of each article, never settles accounts and determine weight change value institute in article
Corresponding one or more article combination, wherein it includes the article in article to be settled accounts, unit weighing area not settle accounts article.
In some embodiments, the attribute combined according to each article determines the confidence level of each article combination；Selection is set
The article combination that the highest article combination of reliability is picked and placeed as user；Wherein, the attribute of each article combination include it is following at least
It is a kind of：Article combines whether article during corresponding variation weight is combined with the gap of weight change value, article includes shelf simultaneously
Article and article to be settled accounts, article combine the article category number that number of articles is 1 in the article category being related to, article combination, object
Whether the article in product combination is quantity is most in current cargo path article.
In some embodiments, item identification method further includes：Clearing article is treated in response to user to settle accounts, and is emptied
Article to be settled accounts.
In some embodiments, item identification method further includes：Obtain the weight of each article of each category to be selected；It holds
The following at least one screening operation of row：The category that Item Weight is less than preset value is deleted from category to be selected, deletes weight and exists
At least one of two category mixes of multiple proportion, category mix include one or more categories；By the product after screening
Category of the class as shelf contents.
In some embodiments, item identification method further includes：Obtain the object that user shoots when picking and placeing article on shelf
Product image；Images of items is identified, recognition result is obtained；According to the attribute that each article combines, from one or more objects
Determine that the article combination that user picks and places includes in product combination：According to the attribute of each article combination and based on the knowledge of image recognition
Not as a result, determining the article combination that user picks and places from the combination of one or more articles.
The second aspect according to the ... of the embodiment of the present invention provides a kind of item identification devices, including：Weight change obtains mould
Block is configured to respond to monitor that the load capacity of shelf changes, and obtains weight change value；Article combination determines mould
Block is configured as the weight according to each article, never settles accounts the one or more determined in article corresponding to weight change value
Article combines；User picks and places article determining module, is configured as the attribute combined according to each article, from one or more articles
The article combination that user picks and places is determined in combination；Article update module to be settled accounts is configured as the article group picked and placeed according to user
It closes, the set for treating clearing article is updated.
In some embodiments, each article combination includes at least one article, do not settle accounts article include shelf contents,
Article to be settled accounts, shelf contents are the article for being located at shelf before the load capacity of shelf changes, and article to be settled accounts is goods
The load capacity of frame article to be settled accounts before changing.
In some embodiments, article combination determining module is configured to：To do not settle accounts one in article or
Multiple articles are combined, and obtain one or more article combinations；It calculates each article and combines corresponding variation weight, wherein
Each article combines the weight that the weight that corresponding variation weight is equal to shelf contents in article combination subtracts article to be settled accounts, weight
Measure the preceding difference with after variation of load capacity variation that changing value is shelf；The gap of weight and weight change value will be changed pre-
If the article combination in range is determined as the combination of the article corresponding to weight change value.
In some embodiments, weight change acquisition module is configured to according to each article obtained in advance
Average weight calculates the corresponding variation weight of each article combination；Article combination determining module is configured to weight
Deviation range includes that the article of weight change value combines the article combination being determined as corresponding to weight change value, wherein weight is inclined
Moving range is calculated according to the maximum weight offset of each article in combination.
In some embodiments, weight change acquisition module is configured in response to monitoring the unit on shelf
The load capacity of weighing area changes, and obtains the weight change value of unit weighing area；Article combines determining module into one
Step is configured as the weight according to each article, never settles accounts the one or more objects determined in article corresponding to weight change value
Product combine, wherein it includes the article in article to be settled accounts, unit weighing area not settle accounts article.
In some embodiments, user picks and places article determining module and is configured to the category combined according to each article
Property determine the confidence level of each article combination；The article combination for selecting the highest article combination of confidence level to be picked and placeed as user；Its
In, the attribute of each article combination includes following at least one：Article combines the difference of corresponding variation weight and weight change value
Whether away from article in the combination of, article the article category being related to, article are combined including shelf contents and article settle accounts, article simultaneously
Whether article in number of articles is 1 in combination article category number, article combination is quantity is most in current cargo path article.
In some embodiments, item identification devices further include：Article to be settled accounts empties module, is configured to respond to use
Family is treated clearing article and is settled accounts, and article to be settled accounts is emptied.
In some embodiments, item identification devices further include：Category selecting module is configured as obtaining and each waits for selection
The weight of each article of class；Execute following at least one screening operation：Item Weight is deleted from category to be selected less than default
The category of value, delete weight there are at least one of two category mixes of multiple proportion, category mix include one or
Multiple categories；Using the category after screening as the category of shelf contents.
In some embodiments, item identification devices further include：Picture recognition module is configured as obtaining user in shelf
On the images of items that shoots when picking and placeing article；Images of items is identified, recognition result is obtained；User picks and places article and determines mould
Block is configured to the attribute combined according to each article and based on the recognition result of image recognition, from one or more
The article combination that user picks and places is determined in article combination.
In terms of third according to some embodiments of the invention, a kind of item identification devices are provided, including：Memory；With
And it is coupled to the processor of the memory, the processor is configured as, based on the instruction being stored in the memory, holding
Any one aforementioned item identification method of row.
The 4th aspect according to some embodiments of the invention, provides a kind of computer readable storage medium, stores thereon
There is computer program, which is characterized in that the program realizes any one aforementioned item identification method when being executed by processor.
Some embodiments in foregoing invention have the following advantages that or advantageous effect：By the weight change for measuring shelf
Value, and it is compared with multiple combinations of unsold article, the article that user picks and places can be accurately determined out, to carry
The high accuracy rate of article identification.Also, user can carry out picking, goods putting while picking and goods putting, to increase user
The flexibility used, the user experience is improved.In addition, the cost of above-described embodiment is low, convenient to carry out and deployment.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
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 technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the exemplary process diagram according to the item identification method of some embodiments of the invention.
Fig. 2A is the example for the method for being worth corresponding article combination according to the determination weight change of some embodiments of the invention
Property flow chart.
Fig. 2 B are to be worth the method for corresponding article combination according to the determination weight change of other of the invention embodiments to show
Example property flow chart.
Fig. 3 is the exemplary flow of the recognition methods of the article combination picked and placeed according to the user of some embodiments of the invention
Figure.
Fig. 4 is the exemplary process diagram according to the item identification method of other embodiments of the invention.
Fig. 5 is the exemplary process diagram according to the selection method of some embodiments of the invention.
Fig. 6 is the exemplary process diagram according to the item identification method of yet other embodiments of the invention.
Fig. 7 is the exemplary process diagram according to the item identification devices of some embodiments of the invention.
Fig. 8 is the exemplary block diagram according to the item identification devices of other embodiments of the invention.
Fig. 9 is the exemplary block diagram according to the item identification devices of yet other embodiments of the invention.
Specific implementation mode
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 describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of attached various pieces shown in the drawings is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Fig. 1 is the exemplary process diagram according to the item identification method of some embodiments of the invention.As shown in Figure 1, the reality
The item identification method for applying example includes step S102~S108.
In step s 102, in response to monitoring that the load capacity of shelf changes, weight change value is obtained.
Shelf can be the shelf in automatic vending machine, can also be the shelf etc. in unmanned supermarket.Have one on shelf
A or multiple cargo paths are used for bearing article.It is provided with one or more weighing-appliances in shelf, claims for measuring corresponding unit
The Item Weight in weight region.One unit weighing area for example can be a cargo path, can also be a line shelf, entire shelf
Etc., those skilled in the art can be arranged as required to.
In some embodiments, when the measurement result of weighing-appliance changes, weighing-appliance can for example send weight
Amount variable signal is to inform from the background or by the regular active obtaining weight change in backstage.
When weight changes, it may be possible to due to user from shelf picking, goods be put back into shelf while picking and placeing goods
In a kind of situation caused by.When user takes article away from shelf, it is not necessarily mean that user is bound to buy the commodity.
User may go through article puts back to shelf again.
In step S104, according to the weight of each article, never settles accounts in article and determine corresponding to weight change value
One or more article combinations.
In some embodiments, each article combination includes at least one article, do not settle accounts article include shelf contents,
Article to be settled accounts, shelf contents are the article for being located at shelf before the load capacity of shelf changes, and article to be settled accounts is goods
The load capacity of frame article to be settled accounts before changing, i.e. user are taken away from shelf but are not tied
The article of calculation.Article to be settled accounts can be considered as the article that user has been put into shopping cart, and it can be an entity to be somebody's turn to do " shopping cart "
Device can also be virtual.Article combination in addition to including article title or mark and quantity other than, can also include
The source of article indicates that the article is shelf contents or article to be settled accounts.
In some embodiments, it can generate and not settle accounts all combinations that article can make up.As needed, it can also pick
Except apparent ineligible combination, only generate possible qualified combination.For example, being more than weight change value for weight
Individual Items can not directly be considered when generating article combination.
It is the weight change and weight change value on shelf caused by picking and placeing afterwards that weight change, which is worth corresponding article combination,
The article combination of gap within a preset range.
In step s 106, the attribute combined according to each article determines that user takes from the combination of one or more articles
The article combination put.
When qualified article combination only there are one when, can directly by the article combine in article be determined as user
The article picked and placeed；When qualified article combination have multiple when, can by analyze article combination attribute, will likely
Property the article that is picked and placeed as user of higher article combination combine.
In step S108, the set that clearing article is treated in the combination of the article that is picked and placeed according to user is updated.
For example, the shelf contents during the article that user picks and places is combined are added in the set of article to be settled accounts, by user
Article to be settled accounts in the article combination picked and placeed is deleted from the set of article to be settled accounts.Further, it is also possible to shelf contents
Set is updated.
As needed, the above process can be carried out repeatedly, i.e., user can carry out multiple fetching process, meet user one
The demand repeatedly selected in secondary buying behavior.
In some embodiments, clearing article can be treated in response to user to settle accounts, and empty article to be settled accounts.Such as
The information in shopping cart is deleted after user pays the article in shopping cart.
The embodiment of the present invention for example can be applied to a user and be picked and placeed after the cabinet door for opening automatic vending machine
Cargo and the application scenarios of clearing.In addition, in application scenes, can also be carried out by different users after opening cabinet door
Cargo picks and places, but is settled accounts for the same user account when clearing.For example, user A is beaten after carrying out authentication
Open cabinet door, after cabinet door is opened, user A and its friend B can pick and place cargo, and whens clearing is settled accounts using the account of A.
The method of above-described embodiment is by measuring the weight change values of shelf, and by multiple combinations of itself and unsold article
It is compared, the article that user picks and places can be accurately determined out, to improve the accuracy rate of article identification.Also, user
Picking, goods putting while picking and goods putting can be carried out, to increase the flexibility that user uses, the user experience is improved.This
Outside, the cost of above-described embodiment is low, convenient to carry out and deployment.
It describes to determine the embodiment that weight change is worth corresponding article combination below with reference to Fig. 2A.
Fig. 2A is the example for the method for being worth corresponding article combination according to the determination weight change of some embodiments of the invention
Property flow chart.As shown in Figure 2 A, the method for the embodiment includes step S202~S206.
It in step S202, is combined to not settling accounts one or more of article, obtains one or more article groups
It closes.
Article combination includes at least one of shelf contents, article to be settled accounts.
It in step S204, calculates each article and combines corresponding variation weight, wherein each combine corresponding variation weight
Amount subtracts the weight of article to be settled accounts equal to the weight of shelf contents in combination, and weight change value is that the load capacity of shelf changes
The preceding difference with after variation.
It is of course also possible to enable weight change value be shelf load capacity variation after with the difference before variation, at this time each
Combine the weight that the weight that corresponding variation weight is equal to article to be settled accounts in combination subtracts shelf contents.
In step S206, variation weight is combined with the article of the gap of weight change value within a preset range and is determined as
Article combination corresponding to weight change value.
It since the weight of article is there may be deviation, or measures there are error, measurement result is not absolutely accurate.
Therefore, weight can be combined with the different smaller article of weight change value difference and is all determined as qualified article combination.
For example, the piece weight of article A is 210g on current shelf, the piece weight of article B is 250g, if article A has
One, article B has 2；There are an article C, weight 380g in shopping cart.All combinations such as 1 institute of table of commodity is not settled accounts then
Show.Combination { A } indicates that user takes A away from shelf, and combination { C } indicates that C to be settled accounts is put back on shelf by user, combines
{ B, C } indicates that user takes B away from shelf while C to be settled accounts being put back on shelf.
Weighing-appliance on shelf senses weight and reduces 250g, and preset range is 250g ± 5g, then can be by { B }
It is determined as the corresponding article combination of the weight change value.
Table 1
| Article combines | Corresponding variation weight (g) |
| A | 210 |
| B | 250 |
| C | -380 |
| AA | 420 |
| AB | 460 |
| AC | -170 |
| B C | -130 |
| AB C | -20 |
The method of above-described embodiment can be common to the identification of picking, goods putting while picking and goods putting these types situation.
In some embodiments, the preset range can be determined according to the deviation of article itself.In the stock stage, each product can be measured
The average weight and maximum weight offset of the article of class.Below with reference to Fig. 2 B descriptions present invention determine that weight change value corresponds to
Article combination embodiment.
Fig. 2 B are to be worth the method for corresponding article combination according to the determination weight change of other of the invention embodiments to show
Example property flow chart.As shown in Figure 2 B, the method for the embodiment includes step S212~S216.
It in step S212, is combined to not settling accounts one or more of article, obtains one or more article groups
It closes.
In step S214, each article is calculated according to the average weight of each article obtained in advance and combines corresponding change
Change weight.
In step S216, the article combination that weight offset range includes weight change value is determined as weight change value institute
Corresponding article combination, wherein weight offset range is calculated according to the maximum weight offset of each article in combination.
By the method for above-described embodiment, can be to assist determining article combination according to the maximum weight offset of article
It is no eligible, improve the accuracy of article identification.
For example, again referring to previous example.The piece weight of article A is 210g on current shelf, the piece weight of article B is
250g, if article A has one, article B has 2；There are an article C, weight 380g in shopping cart.The maximum of article A, B, C
Offset is respectively ± 3g, ± 2g, ± 4g.All combinations for not settling accounts commodity then are as shown in table 2.
Weighing-appliance on shelf senses weight and reduces 250g, and preset range is 250g ± 5g, then can be by { B }
It is determined as the corresponding article combination of the weight change value.
Table 2
| Article combines | Corresponding variation weight (g) | Weight offset range (g) |
| A | 210 | [207,213] |
| B | 250 | [248,252] |
| C | -380 | [-384,-376] |
| AA | 420 | [414,426] |
| AB | 460 | [455,465] |
| AC | -170 | [-177,-163] |
| B C | -130 | [-136,-124] |
| AB C | -20 | [-29,-11] |
In some embodiments, it can be combined come the article for selecting user to pick and place according to the confidence level that article combines.Below
The embodiment for the identification that the article that user of the present invention picks and places combines is described with reference to figure 3.
Fig. 3 is the exemplary flow of the recognition methods of the article combination picked and placeed according to the user of some embodiments of the invention
Figure.As shown in figure 3, the recognition methods for the article combination that the user of the embodiment picks and places includes step S302~S304.
In step s 302, the attribute combined according to each article determines the confidence level of each article combination.
In step s 304, the article combination for selecting the highest article combination of confidence level to be picked and placeed as user.
Those skilled in the art can be arranged as required to the relationship between the attribute and confidence level of article combination.Show below
Introduce to example property.
The attribute that the confidence level combined with article is positively correlated relationship may include：Article in article combination is current goods
The most article of quantity in road, can increase confidence level at this time, i.e., user, which is more likely to pick and place in cargo path, should article；Article combines
Middle number of articles is 1 article category number, i.e., the article category that quantity is 1 is more, then confidence level is higher.
The attribute that the confidence level combined with article is negatively correlated relationship may include：Article combine corresponding variation weight and
The gap of weight change value, i.e. gap are bigger, confidence level is lower；Whether article includes shelf contents simultaneously and waits in article combination
Article is settled accounts, i.e., the possibility of picking and goods putting is smaller simultaneously, confidence level is relatively low；Article combines the article category being related to, that is, uses
The primary operated article category number being related in family is more, confidence level is lower.
For example, weight change value is 246g, article combination 1 is 241g including shelf contents A, B, corresponding variation weight,
Article combination 2 is 245g including shelf contents C and article D to be settled accounts, corresponding variation weight.If paying the utmost attention to reduce simultaneously
The possibility of picking and goods putting, then the confidence level of article combination 1 is higher；If paying the utmost attention to article combines corresponding variation weight
With the gap of weight change value, then the confidence level of article combination 2 is higher.In addition it is also possible to assign different types of confidence level power
Weight, calculates the weighted sum of various confidence levels as final confidence level.
The embodiment of the present invention can carry out subregion maintenance to the article on shelf, so as to reduce article to be identified
Optional range.The embodiment of item identification method of the present invention is described below with reference to Fig. 4.
Fig. 4 is the exemplary process diagram according to the item identification method of other embodiments of the invention.As shown in figure 4, should
The item identification method of embodiment includes step S402~S408.
In step S402, in response to monitoring that the load capacity of the unit weighing area on shelf changes, obtain
The weight change value of unit weighing area.
The region that one unit weighing area is responsible for by a weighing-appliance, such as can be a cargo path or one
A pallet.
In step s 404, it according to the weight of each article, never settles accounts in article and determines corresponding to weight change value
One or more articles combination, wherein it includes the article in article to be settled accounts, unit weighing area not settle accounts article.
At this point, without including the article in other unit weighing area in article combination, it is only necessary to pay close attention to the unit and weigh
Article in region and article to be settled accounts.
In step S406, according to the attribute that each article combines, determine that user takes from the combination of one or more articles
The article combination put.
In step S408, the set that clearing article is treated in the combination of the article that is picked and placeed according to user is updated.
By the method for above-described embodiment, multiple weighing-appliances can be set in shelf, and become according to weight occurs
Article in the unit weighing area of change determines the article combination that user picks and places, and further improves the accuracy of article identification.
In some embodiments, multiple tables of data can be established in the database with to each unit weighing area and purchase
Object vehicle is managed.After the article combination that user picks and places is determined, these tables of data can be updated.
The present invention can also be directed to the application scenarios being identified based on weight and optimize selection mode.It is retouched below with reference to Fig. 5
State the embodiment of selection method of the present invention.
Fig. 5 is the exemplary process diagram according to the selection method of some embodiments of the invention.As shown in figure 5, the embodiment
Selection method include step S502~S506.
In step S502, the weight of each article of each category to be selected is obtained.
In step S504, following at least one screening operation is executed：Item Weight is deleted from category to be selected to be less than in advance
If the category of value, it includes one to delete weight there are at least one of two category mixes of multiple proportion, category mix
Or multiple categories.
When the weight of article is too small, weighing-appliance is likely difficult to recognize user picks and places row to what such article carried out
For.It can be considered to screen out such article.The preset value of screening can be according to the accuracy of weighing-appliance, susceptibility come really
It is fixed.
When the weight of some article is the integral multiple of another commodity, it is also difficult to distinguish which kind of article user has picked and placeed.
Therefore it can retain one of which or both of which does not retain.For example, the weight of article A is 100g, the weight of article B is
200g, then it is contemplated that only retaining one kind in A and B；In another example the weight of article C is 200g, the weight of article D be 170g,
The weight of article E is 30g, then can only retain C or only retain D and E.
In addition, when the weight of one or more articles is with being the integral multiple of weight sum of other one or more articles
Also it easy tos produce and obscures, therefore one group or two groups can be retained and do not retained.
As needed, those skilled in the art can also use other screening techniques, and which is not described herein again.
In step S506, using the category after screening as the category of shelf contents.
By screening, remaining article is not easy to obscure during identification, thus can after screening remaining category
The category of middle selection restocking.To further improve the accuracy of article identification.
The present invention from the combination of multiple articles when selecting, other than it can refer to the attribute of article combination, also
It can be judged in conjunction with image recognition result.The embodiment of item identification method of the present invention is described below with reference to Fig. 6.
Fig. 6 is the exemplary process diagram according to the item identification method of yet other embodiments of the invention.As shown in fig. 6, should
The item identification method of embodiment includes step S602~S612.
In step S602, in response to monitoring that the load capacity of shelf changes, weight change value is obtained.
In step s 604, it according to the weight of each article, never settles accounts in article and determines corresponding to weight change value
One or more article combinations.
In step S606, the images of items that user shoots when picking and placeing article on shelf is obtained.
In step S608, images of items is identified, obtains recognition result.
For example, camera can be arranged on shelf or around shelf, action is picked and placeed for shoot user.From
And it can show which article user has taken during picking and placeing in the picture.
In step S610, according to the attribute of each article combination and based on the recognition result of image recognition, from one
Or the article combination that user picks and places is determined in multiple article combinations.
For example, article identical with image recognition result, which combines, can increase confidence level, and combine other kinds of confidence
Degree calculates the final confidence level of article combination jointly, is combined with the article for therefrom selecting user to pick and place.
It in step S612, is combined according to the article that user picks and places, the set for treating clearing article is updated.
By the method for above-described embodiment, gravity sensing can be combined with image recognition, more accurately to identify
The article that user picks and places.
The embodiment of item identification devices of the present invention is described below with reference to Fig. 7.
Fig. 7 is the exemplary process diagram according to the item identification devices of some embodiments of the invention.As shown in fig. 7, the reality
The item identification devices 70 for applying example include：Weight change acquisition module 710 is configured to respond to monitor the carrying weight of shelf
Amount changes, and obtains weight change value；Article combines determining module 720, is configured as the weight according to each article, never
Settle accounts the one or more articles combination determined in article corresponding to weight change value；User picks and places article determining module 730, quilt
It is configured to the attribute combined according to each article, the article combination that user picks and places is determined from the combination of one or more articles；It waits for
Article update module 740 is settled accounts, the article combination picked and placeed according to user is configured as, the set for treating clearing article carries out more
Newly.
In some embodiments, each article combination includes at least one article, do not settle accounts article include shelf contents,
Article to be settled accounts, shelf contents are the article for being located at shelf before the load capacity of shelf changes, and article to be settled accounts is goods
The load capacity of frame article to be settled accounts before changing.
In some embodiments, article combination determining module 720 can be configured to：To not settling accounts in article
One or more articles are combined, and obtain one or more article combinations；It calculates each article and combines corresponding variation weight,
Wherein, each article combines the weight that the weight that corresponding variation weight is equal to shelf contents in article combination subtracts article to be settled accounts
Amount, weight change value are the preceding difference with after variation of load capacity variation of shelf；The difference of weight and weight change value will be changed
Article combination away within a preset range is determined as the combination of the article corresponding to weight change value.
In some embodiments, weight change acquisition module 710 can be configured to every according to obtaining in advance
The average weight of a article calculates the corresponding variation weight each combined；Article combination determining module be configured to by
Weight offset range include the combination of weight change value be determined as corresponding to weight change value article combination, wherein weight is inclined
Moving range is calculated according to the maximum weight offset of each article in combination.
In some embodiments, weight change acquisition module 710 can be configured in response to monitoring shelf
On the load capacity of unit weighing area change, obtain the weight change value of unit weighing area；Article combination determines
Module 720 can be configured to the weight according to each article, never settle accounts and determine that weight change value institute is right in article
The one or more articles combination answered, wherein it includes the article in article to be settled accounts, unit weighing area not settle accounts article.
In some embodiments, user picks and places article determining module 730 and can be configured to according to each article
The attribute of combination determines the confidence level of each article combination；The highest article of confidence level is selected to combine the article picked and placeed as user
Combination；Wherein, the attribute of each article combination includes following at least one：Article combines corresponding variation weight and weight change
Whether article combines the article product being related to including shelf contents and article to be settled accounts, article simultaneously during the gap of value, article combine
Class, article combination in number of articles be 1 article category number, article combination in article whether be that quantity is most in current cargo path
Article.
In some embodiments, item identification devices 70 can also include：Article to be settled accounts empties module 750, is configured
It is settled accounts to treat clearing article in response to user, empties article to be settled accounts.
In some embodiments, item identification devices 70 can also include：Category selecting module 760 is configured as obtaining
The weight of each article of each category to be selected；Execute following at least one screening operation：Article weight is deleted from category to be selected
Amount is less than the category of preset value, and deleting weight, there are at least one of two category mixes of multiple proportion, category mix
Including one or more categories；Using the category after screening as the category of shelf contents.
In some embodiments, item identification devices 70 can also include：Picture recognition module 770 is configured as obtaining
The images of items that user shoots when picking and placeing article on shelf；Images of items is identified, recognition result is obtained；User picks and places
Article determining module 730 can be configured to the attribute combined according to each article and based on the identification of image recognition
As a result, determining the article combination that user picks and places from the combination of one or more articles.
Fig. 8 is the exemplary block diagram according to the item identification devices of other embodiments of the invention.As shown in figure 8, should
The item identification devices 800 of embodiment include：Memory 810 and the processor 820 for being coupled to the memory 810, processor
820 are configured as, based on the instruction being stored in memory 810, executing the article identification side in any one aforementioned embodiment
Method.
Wherein, memory 810 is such as may include system storage, fixed non-volatile memory medium.System stores
Device is such as being stored with operating system, application program, Boot loader (Boot Loader) and other programs.
Fig. 9 is the exemplary block diagram according to the item identification devices of yet other embodiments of the invention.As shown in figure 9, should
The item identification devices 900 of embodiment include：Memory 910 and processor 920, can also include input/output interface 930,
Network interface 940, memory interface 950 etc..Between these interfaces 930,940,950 and memory 910 and processor 920 for example
It can be connected by bus 960.Wherein, input/output interface 930 is that the input and output such as display, mouse, keyboard, touch screen are set
It is standby that connecting interface is provided.Network interface 940 provides connecting interface for various networked devices.Memory interface 950 is SD card, USB flash disk etc.
External storage provides connecting interface.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, special
Sign is that the program realizes any one aforementioned item identification method when being executed by processor.
Those skilled in the art should be understood that the embodiment of the present invention can be provided as method, system or computer journey
Sequence product.Therefore, complete hardware embodiment, complete software embodiment or combining software and hardware aspects can be used in the present invention
The form of embodiment.Moreover, the present invention can be used in one or more wherein include computer usable program code calculating
Machine can use the meter implemented on non-transient storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of calculation machine program product.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It is interpreted as to be realized by computer program instructions each in flowchart and/or the block diagram
The combination of flow and/or box in flow and/or box and flowchart and/or the block diagram.These computer journeys can be provided
Sequence instruct to all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices processor with
Generate a machine so that the instruction generation executed by computer or the processor of other programmable data processing devices is used for
Realize the dress for the function of being specified in one flow of flow chart or multiple flows and/or one box of block diagram or multiple boxes
It sets.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (20)
1. a kind of item identification method, including：
In response to monitoring that the load capacity of shelf changes, weight change value is obtained；
According to the weight of each article, the one or more articles determined in article corresponding to the weight change value are never settled accounts
Combination；
According to the attribute that each article combines, the article combination that user picks and places is determined from the combination of one or more of articles；
The article combination picked and placeed according to the user, the set for treating clearing article are updated.
2. according to item identification method shown in claim 1, wherein each article combination includes at least one article, institute
It includes shelf contents, article to be settled accounts to state and do not settle accounts article, and the shelf contents are before the load capacity of shelf changes
Positioned at the article of shelf, the article to be settled accounts article to be settled accounts before changing for the load capacity of shelf.
3. item identification method according to claim 2, wherein the weight of each article of basis never settles accounts object
Determine that one or more articles combination corresponding to the weight change value includes in product：
It is combined to not settling accounts one or more of article article, obtains one or more article combinations；
It calculates each article and combines corresponding variation weight, wherein each article combines corresponding variation weight and is equal to article group
The weight of shelf contents subtracts the weight of article to be settled accounts in conjunction, the weight change value be shelf load capacity variation before with
Difference after variation；
Variation weight is combined with the article of the gap of the weight change value within a preset range and is determined as the weight change
The corresponding article combination of value.
4. item identification method according to claim 3, wherein
The corresponding variation weight of each article combination is calculated according to the average weight of each article obtained in advance；
Include that the article combination of the weight change value is determined as the object corresponding to the weight change value by weight offset range
Product combine, wherein the weight offset range is calculated according to the maximum weight offset of each article in the combination.
5. item identification method according to claim 1, wherein
In response to monitoring that the load capacity of the unit weighing area on shelf changes, the unit weighing area is obtained
Weight change value；
According to the weight of each article, the one or more articles determined in article corresponding to the weight change value are never settled accounts
Combination, wherein the article of not settling accounts includes the article in article to be settled accounts, the unit weighing area.
6. item identification method according to claim 1, wherein
The attribute combined according to each article determines the confidence level of each article combination；
The article combination for selecting the highest article combination of confidence level to be picked and placeed as user；
Wherein, the attribute of each article combination includes following at least one：Article combine corresponding variation weight with it is described
Whether article is related to including shelf contents and article to be settled accounts, article combination simultaneously during the gap of weight change value, article combine
Article category, article combination in number of articles be 1 article category number, article combination in article whether be in current cargo path
The most article of quantity.
7. item identification method according to claim 1, further includes：
The article to be settled accounts is settled accounts in response to user, empties the article to be settled accounts.
8. item identification method according to claim 1, further includes：
Obtain the weight of each article of each category to be selected；
Execute following at least one screening operation：The category that Item Weight is less than preset value is deleted from category to be selected, deletes weight
Amount includes one or more categories there are at least one of two category mixes of multiple proportion, the category mix；
Using the category after screening as the category of shelf contents.
9. item identification method according to claim 1,
Further include：Obtain the images of items that user shoots when picking and placeing article on shelf；The images of items is identified, is obtained
Obtain recognition result；
The attribute of each article combination of basis, determines the article group that user picks and places from the combination of one or more of articles
Conjunction includes：According to the attribute of each article combination and based on the recognition result of image recognition, from one or more of articles
The article combination that user picks and places is determined in combination.
10. a kind of item identification devices, including：
Weight change acquisition module is configured to respond to monitor that the load capacity of shelf changes, and obtains weight change
Value；
Article combines determining module, is configured as the weight according to each article, never settles accounts and determines that the weight becomes in article
One or more articles combination corresponding to change value；
User picks and places article determining module, is configured as the attribute combined according to each article, from one or more of articles
The article combination that user picks and places is determined in combination；
Article update module to be settled accounts is configured as the article combination picked and placeed according to the user, treats the set of clearing article
It is updated.
11. according to item identification devices shown in claim 10, wherein each article combination includes at least one article,
The article of not settling accounts includes shelf contents, article to be settled accounts, and the shelf contents are that the load capacity of shelf changes it
Anteposition is in the article of shelf, the article to be settled accounts article to be settled accounts before changing for the load capacity of shelf.
12. according to item identification devices shown in claim 11, wherein the article combination determining module is further configured
For：It is combined to not settling accounts one or more of article article, obtains one or more article combinations；Calculate each article
Combine corresponding variation weight, wherein each article combines the weight that corresponding variation weight is equal to shelf contents in article combination
Amount subtracts the weight of article to be settled accounts, and the weight change value is the preceding difference with after variation of load capacity variation of shelf；It will
Variation weight combined with the article of the gap of the weight change value within a preset range be determined as the weight change value it is right
The article combination answered.
13. according to item identification devices shown in claim 12, wherein
The weight change acquisition module is configured to be calculated according to the average weight of each article obtained in advance every
The corresponding variation weight of a article combination；
Article combination determining module be configured to include by weight offset range the weight change value article
Combination is determined as the combination of the article corresponding to the weight change value, wherein the weight offset range is according to the combination
In the maximum weight offset of each article calculate.
14. according to item identification devices shown in claim 10, wherein
The weight change acquisition module is configured to the carrying in response to monitoring the unit weighing area on shelf
Weight changes, and obtains the weight change value of the unit weighing area；
The article combination determining module is configured to the weight according to each article, never settles accounts and determines institute in article
State one or more articles combination corresponding to weight change value, wherein the article of not settling accounts includes article to be settled accounts, described
Article in unit weighing area.
15. according to item identification devices shown in claim 10, wherein the user pick and place article determining module further by
It is configured to determine the confidence level of each article combination according to the attribute that each article combines；Select the highest article combination of confidence level
The article combination picked and placeed as user；
Wherein, the attribute of each article combination includes following at least one：Article combine corresponding variation weight with it is described
Whether article is related to including shelf contents and article to be settled accounts, article combination simultaneously during the gap of weight change value, article combine
Article category, article combination in number of articles be 1 article category number, article combination in article whether be in current cargo path
The most article of quantity.
16. according to item identification devices shown in claim 10, further include：
Article to be settled accounts empties module, is configured to respond to user and is settled accounts to the article to be settled accounts, and empties described wait for
Settle accounts article.
17. according to item identification devices shown in claim 10, further include：
Category selecting module is configured as obtaining the weight of each article of each category to be selected；Execute following at least one sieve
Selection operation：The category that Item Weight is less than preset value is deleted from category to be selected, deleting weight, there are two product of multiple proportion
At least one of class combination, the category mix include one or more categories；Using the category after screening as shelf object
The category of product.
18. according to item identification devices shown in claim 10,
Further include：Picture recognition module is configured as obtaining the images of items that user shoots when picking and placeing article on shelf；To institute
It states images of items to be identified, obtains recognition result；
The user picks and places article determining module and is configured to the attribute combined according to each article and is based on image
The recognition result of identification determines the article combination that user picks and places from the combination of one or more of articles.
19. a kind of item identification devices, including：
Memory；And
It is coupled to the processor of the memory, the processor is configured as based on the instruction being stored in the memory,
Execute such as item identification method according to any one of claims 1 to 9.
20. a kind of computer readable storage medium, is stored thereon with computer program, power is realized when which is executed by processor
Profit requires the item identification method described in any one of 1~9.
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