CN107123029A

CN107123029A - The method and system of fruits and vegetables is specified in purchase

Info

Publication number: CN107123029A
Application number: CN201710296535.1A
Authority: CN
Inventors: 董黎晨
Original assignee: Shenzhen Qianhai Hongjia Technology Co Ltd
Current assignee: Shenzhen Qianhai Hongjia Technology Co Ltd
Priority date: 2017-04-28
Filing date: 2017-04-28
Publication date: 2017-09-01
Also published as: WO2018196172A1

Abstract

The invention provides a kind of method and system for buying specified fruits and vegetables.Wherein, a kind of method for buying specified fruits and vegetables, including：Fruits and vegetables are specified according to the selection of fruits and vegetables photo, specified fruits and vegetables have telltale mark；After order generation, the first photo for specifying fruits and vegetables is received；After confirming to receive, the second photo for specifying fruits and vegetables is obtained；First photo and the second photo are compared, judged to specify whether fruits and vegetables possess uniqueness according to comparative result；When specified fruits and vegetables possess uniqueness, shopping is completed.By technical scheme, make consumer by network, the fruits and vegetables of self-selection are bought as reality shopping, it is ensured that quality of the fruits and vegetables in purchasing process, and simple to operate, practicality, effectively improve shopping at network experience.

Description

The method and system of fruits and vegetables is specified in purchase

Technical field

The present invention relates to intelligent cloud technical field, the method for specifying fruits and vegetables, a kind of purchase are bought in particular to a kind of Specifying system, a kind of terminal, a kind of computer equipment, a kind of computer-readable recording medium, one kind of fruits and vegetables has and electric business The terminal for related application software of doing shopping.

Background technology

Current electric business network is more and more flourishing, and fruits and vegetables are bought and sold into a kind of trend by electric business.After fruits and vegetables are ripe, have very Many people's selections during by Online Shopping fruits and vegetables, are tended not to see fruits and vegetables in advance, are only capable of from business by Online Shopping fruits and vegetables The description of family and exhibiting pictures decide whether purchase, it is impossible to and select the fruits and vegetables specified as reality to buy, reality is bought During fruits and vegetables, after select, weigh, pay the bill just can be with.

If businessman allows consumer to buy the fruits and vegetables specified, it is necessary to ensure that the fruits and vegetables that consumer takes are exactly when buying That fruits and vegetables specified, it is ensured that delivered in businessman and fruits and vegetables will not be exchanged in transit.Although fruits and vegetables tracking mechanism is certain Source and the quality problems of fruits and vegetables can be solved in degree, but it is with Quick Response Code, bar code or other anti-fake marks, patch Onto fruits and vegetables, this labeling annex has the possibility being torn to be attached on other fruits and vegetables on fruits and vegetables, in this case with regard to nothing Method solves quality problems, it is impossible to ensure that the fruits and vegetables that consumer takes are exactly that fruits and vegetables specified when buying.

Therefore, how it is online with it is real in as buy the fruits and vegetables specified, as technical problem urgently to be resolved hurrily.

The content of the invention

It is contemplated that at least solving one of technical problem present in prior art or correlation technique.

Therefore, first purpose of the present invention is to propose a kind of method bought and specify fruits and vegetables.

Second object of the present invention is to propose a kind of system bought and specify fruits and vegetables.

Third object of the present invention is to propose a kind of terminal.

Fourth object of the present invention is to propose a kind of computer equipment.

The 5th purpose of the present invention is to propose a kind of computer-readable recording medium.

The 6th purpose of the present invention is to propose a kind of terminal with the application software related to electric business shopping.

In view of this, the present invention proposes a kind of method bought and specify fruits and vegetables, including：Specified according to the selection of fruits and vegetables photo Fruits and vegetables, specified fruits and vegetables have telltale mark；After order generation, the first photo for specifying fruits and vegetables is received；After confirming to receive, obtain Fetching determines the second photo of fruits and vegetables；First photo and the second photo are compared, judge that specified fruits and vegetables are according to comparative result It is no to possess uniqueness；When specified fruits and vegetables possess uniqueness, shopping is completed.

Wherein, the fruits and vegetables include fruits and vegetables.The method for specifying fruits and vegetables according to the purchase of the present invention, is referred to by receiving Determine the first photo of fruits and vegetables, and obtain the second photo for specifying fruits and vegetables, and the first photo is contrasted with the second photo, to test Card specifies whether fruits and vegetables possess uniqueness, when specified fruits and vegetables possess uniqueness, illustrates that the fruits and vegetables that consumer receives are exactly in net On the specified fruits and vegetables selected, can now complete shopping；When specified fruits and vegetables do not possess uniqueness, illustrate what consumer received The specified fruits and vegetables that fruits and vegetables are selected not on the net, can now contact businessman and handle goods return and replacement.So that consumer passes through net Network, buys the fruits and vegetables of self-selection, it is ensured that quality of the fruits and vegetables in purchasing process, and operate letter as reality shopping It is single, practical, effectively improve shopping at network experience.

Specifically, businessman is all put into all fruits and vegetables photos on the net, selected for consumer, and according to fruits and vegetables specification not Together, to each or every class fruits and vegetables designated price；Consumer is selected after the fruits and vegetables specified, generation order in purchase, specified The photo of fruits and vegetables can be sent to consumer；After consumer receives fruits and vegetables, using the uniqueness of each fruits and vegetables, it is determined that what is received is every One fruits and vegetables is exactly that fruits and vegetables selected when buying, it is ensured that fruits and vegetables will not be exchanged when businessman delivers and in transit, The quality of fruits and vegetables is set to be guaranteed in purchase and transportation.The wherein uniqueness of fruits and vegetables, in fruits and vegetables shape or colour-difference When very not big, can directly be observed with human eye come；But when shape and color all difference are not very big, it is necessary to it is right Fruits and vegetables image is analyzed, it is preferable that made a distinction using " fixed reference " (the i.e. constant object of reference) in image, for example It is compared using the telltale mark of the first photo and the second photo.By being taken pictures to the fruits and vegetables received, and by generation The photo of the fruits and vegetables specified of the photo with receiving is contrasted, and verifies the uniqueness of fruits and vegetables.

In addition, the method for specifying fruits and vegetables according to the above-mentioned purchase of the present invention, determines coordinate to compare by fixed reference The step of in, it is preferable that before the first photo and the second photo are compared, in addition to：The size of the second photo is adjusted, Until the fixed reference (such as telltale mark) in the second photo and fixed reference (such as same positioning in the first photo Mark) untill size is identical.

In the technical scheme, each specified fruits and vegetables are respectively provided with telltale mark, no matter fruits and vegetables occur in purchasing process it is assorted Change, such as obscure when posting, or is maliciously exchanged in transport, and size of the telltale mark in fruits and vegetables is just as 's.By adjusting the size of the second photo, the size of telltale mark changes therewith thereon, when the positioning mark in the second photo When note is identical with the telltale mark size in the first photo, stops adjusting, make telltale mark as judging before fruits and vegetables uniqueness Condition is put forward, herein on basis, then two photos are contrasted, to verify whether the fruits and vegetables received possess uniqueness, so that it is guaranteed that disappearing The person of expense buys the fruits and vegetables of self-selection by network as reality shopping.

Wherein, it should be appreciated by those skilled in the art that when shooting the first photo and the second photo, camera can be selected Just telltale mark is shot, meanwhile, to ensure the accuracy compared, enter preferably with pixel identical shooting machine is shot Row, which is taken pictures, to be compared, it is highly preferred that can select just to telltale mark and be shot at a distance of the same height.

Adjusted by above-mentioned fixed reference to formed objects, it is preferable that carry out the first photo and the second photo Compare, the specific steps for judging to specify fruits and vegetables whether to possess uniqueness according to comparative result, including：Choose the first photo and second The first image and the second image of respective coordinates position in photo；Obtain and calculate the pixel value and second image of the first image The difference of pixel value；Judge whether difference is more than predetermined threshold value；When difference is more than predetermined threshold value, then judge to specify fruits and vegetables not have Standby uniqueness.

In the technical scheme, distinguished by developing the color, randomly select respective coordinates position in the first photo and the second photo First image and the second image at place, obtain and calculate the first image and the difference of the corresponding pixel value of the second image, if difference is big It is not same fruits and vegetables when predetermined threshold value, then it is assumed that the fruits and vegetables received are different with the fruits and vegetables color specified, that is, this is specified Fruits and vegetables do not possess uniqueness.

In any of the above-described technical scheme, it is preferable that when difference is less than or equal to predetermined threshold value, in addition to：Extract first The first profile image of photo and the second contour images of the second photo；Judge whether are the first profile image and the second contour images Overlap；When the first profile image and the second contour images are overlapped, then judge to specify fruits and vegetables to possess uniqueness.

In the technical scheme, if difference is less than or equal to predetermined threshold value, then it is assumed that the fruits and vegetables received and the fruits and vegetables specified Color is identical, and the profile into next step judges, the contour images of the first photo and the second photo, contrast profile side are extracted respectively Edge, if contour convergence, illustrates to be same fruits and vegetables.Preferably, the determination methods of contour convergence are by the first profile figure As the pixel value for the contour images respective coordinates position that subtracts the second, if subtracting each other rear result is all close or equal to 0, then it is assumed that profile weight Close, that is, this specifies fruits and vegetables to possess uniqueness, at this point it is possible to complete shopping.

In any of the above-described technical scheme, it is preferable that the scope of predetermined threshold value is 0 to 10.

In the technical scheme, the scope of predetermined threshold value is 0 to 10, but not limited to this.It is understood that predetermined threshold value Value it is smaller, for the uniqueness of fruits and vegetables, judge can be more accurate.

In any of the above-described technical scheme, it is preferable that also include：The image information of the first photo and the second photo is recorded, Image information includes color, shape, the size of telltale mark.

In the technical scheme, color, shape, size of telltale mark by recording the first photo and the second photo etc. Information, can intuitively contrast both differences.Specifically, when the uniqueness of fruits and vegetables is specified in checking, can record in real time And the image information at selected coordinate position is shown, not only increase interesting, and make it that contrast is more directly perceived.

In any of the above-described technical scheme, it is preferable that telltale mark includes following at least one or its combination：Fruits and vegetables mark Label, Quick Response Code, bar code, PLU codes (Price look-up codes, price lookup code).

In the technical scheme, telltale mark includes but is not limited to following at least one or its combination：Fruits and vegetables label, two dimension Code, bar code, PLU codes, when with a variety of telltale marks, can optionally one of which positioned, or optionally it is two or more For positioning and mutually confirming.The telltale mark added on fruits and vegetables not only has the function of tracing to the source, because it is on fruits and vegetables Size is constant, therefore can also be by telltale mark, and the uniqueness to fruits and vegetables is verified, so as to judge the fruits and vegetables received It is whether consistent with specified fruits and vegetables.

According to second object of the present invention, it is proposed that the system that fruits and vegetables are specified in a kind of purchase, including：Selecting unit, is used In selecting specified fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；Receiving unit, for after order is generated, connecing Receive the first photo for specifying fruits and vegetables；Acquiring unit, for after confirming to receive, obtaining the second photo for specifying fruits and vegetables；Checking is single Member, for the first photo and the second photo to be compared, judges to specify whether fruits and vegetables possess uniqueness according to comparative result；When When specified fruits and vegetables possess uniqueness, shopping is completed.

According to the system for buying specified fruits and vegetables of the present invention, the first photo of fruits and vegetables is specified by receiving, and obtain specified Second photo of fruits and vegetables, and the first photo is contrasted with the second photo, to verify whether specified fruits and vegetables possess uniqueness, when When specified fruits and vegetables possess uniqueness, illustrate that the fruits and vegetables that consumer receives are exactly the specified fruits and vegetables selected on the net, now can be with Complete shopping；When specified fruits and vegetables do not possess uniqueness, illustrate that what fruits and vegetables that consumer receives were selected not on the net specifies Fruits and vegetables, can now contact businessman and handle goods return and replacement.So that consumer buys oneself by network as reality shopping The fruits and vegetables selected, it is ensured that quality of the fruits and vegetables in purchasing process, and simple to operate, practicality, effectively improve shopping at network Experience.

In the above-mentioned technical solutions, it is preferable that also include：Adjustment unit, for entering by the first photo and the second photo Before row compares, the size of the second photo is adjusted, until the fixed reference (such as telltale mark) and first in the second photo Fixed reference (such as same telltale mark) in photo is untill size is identical.

Wherein, it should be appreciated by those skilled in the art that when shooting the first photo and the second photo, camera can be selected Just telltale mark is shot.Meanwhile, to ensure the accuracy compared, enter preferably with pixel identical shooting machine is shot Row, which is taken pictures, to be compared, it is highly preferred that can select just to telltale mark and be shot at a distance of the same height.

In any of the above-described technical scheme, it is preferable that authentication unit, including：Image selection unit, shines for choosing first The first image and the second image of respective coordinates position in piece and the second photo；Computing unit, for obtaining and calculating the first figure The difference of the pixel value of the pixel value of picture and the second image；First judging unit, for judging whether difference is more than predetermined threshold value； When difference is more than predetermined threshold value, then judge to specify fruits and vegetables not possess uniqueness.

In any of the above-described technical scheme, it is preferable that authentication unit, in addition to：Contours extract unit, for when difference it is small When equal to predetermined threshold value, the first profile image of the first photo and the second contour images of the second photo are extracted；Second judges Unit, for judging whether the first profile image and the second contour images overlap；When the first profile image and the second contour images During coincidence, then judge to specify fruits and vegetables to possess uniqueness.

In any of the above-described technical scheme, it is preferable that also include：Recording unit, shines for recording the first photo and second The image information of piece, image information includes color, shape, the size of telltale mark.

In any of the above-described technical scheme, it is preferable that telltale mark includes following at least one or its combination：Fruits and vegetables mark Label, Quick Response Code, bar code, PLU codes.

In the technical scheme, telltale mark includes but is not limited to following at least one or its combination：Fruits and vegetables label, two dimension Code, bar code, PLU codes.The telltale mark added on fruits and vegetables not only has the function of tracing to the source, because its size on fruits and vegetables is Constant, therefore can also be by telltale mark, the uniqueness to fruits and vegetables is verified, so as to judge the fruits and vegetables received with specifying Fruits and vegetables it is whether consistent.

According to third object of the present invention, it is proposed that a kind of terminal, including the purchase in any technical scheme as described above The system for specifying fruits and vegetables.

According to the terminal of the present invention, the system for specifying fruits and vegetables using the purchase in any of the above-described technical scheme makes consumer By network, the fruits and vegetables of self-selection are bought as reality shopping, it is ensured that quality of the fruits and vegetables in purchasing process, and Simple to operate, practicality, effectively improves shopping at network experience.

According to fourth object of the present invention, it is proposed that a kind of computer equipment, including memory, processor and it is stored in On memory and the computer program that can run on a processor, following steps are realized during computing device computer program：Root Fruits and vegetables are specified according to the selection of fruits and vegetables photo, specified fruits and vegetables have telltale mark；After order generation, receive and specify the first of fruits and vegetables to shine Piece；After confirming to receive, the second photo for specifying fruits and vegetables is obtained；First photo and the second photo are compared, according to comparing As a result judge to specify whether fruits and vegetables possess uniqueness；When specified fruits and vegetables possess uniqueness, shopping is completed.

According to the computer equipment of the present invention, the first photo of fruits and vegetables is specified by receiving, and obtains and specifies the of fruits and vegetables Two photos, and the first photo is contrasted with the second photo, to verify whether specified fruits and vegetables possess uniqueness, when specified fruits and vegetables When possessing uniqueness, illustrate that the fruits and vegetables that consumer receives are exactly the specified fruits and vegetables selected on the net, can now complete shopping； When specified fruits and vegetables do not possess uniqueness, illustrate the specified fruits and vegetables that the fruits and vegetables that consumer receives are selected not on the net, now Businessman can be contacted and handle goods return and replacement.So that consumer buys the fruit of self-selection by network as reality shopping Vegetable, it is ensured that quality of the fruits and vegetables in purchasing process, and simple to operate, practicality, effectively improves shopping at network experience.

In the above-mentioned technical solutions, it is preferable that during computing device computer program, by the first photo and the second photo Before being compared, also achieve：The size of the second photo is adjusted, until the fixed reference in the second photo (is such as positioned Mark) with the fixed reference (such as telltale mark) in the first photo untill size is identical.

Fixed reference is adjusted to formed objects, it is preferable that be compared the first photo and the second photo, according to Comparative result judges the specific steps for specifying fruits and vegetables whether to possess uniqueness, including：Choose right in the first photo and the second photo Answer the first image and the second image of coordinate position；Obtain and calculate the pixel value of the first image and the pixel value of the second image Difference；Judge whether difference is more than predetermined threshold value；When difference is more than predetermined threshold value, then judge to specify fruits and vegetables not possess uniquely Property；When difference is less than or equal to predetermined threshold value, in addition to：Extract the first photo the first profile image and the second photo second Contour images；Judge whether the first profile image and the second contour images overlap；When the first profile image and the second contour images During coincidence, then judge to specify fruits and vegetables to possess uniqueness.

In the technical scheme, distinguished by developing the color, randomly select respective coordinates position in the first photo and the second photo First image and the second image at place, obtain and calculate the first image and the difference of the corresponding pixel value of the second image, if difference is big It is not same fruits and vegetables when predetermined threshold value, then it is assumed that the fruits and vegetables received are different with the fruits and vegetables color specified, that is, this is specified Fruits and vegetables do not possess uniqueness.If difference is less than or equal to predetermined threshold value, then it is assumed that the fruits and vegetables received and the fruits and vegetables color phase specified Together, the profile into next step judges, the contour images of the first photo and the second photo are extracted respectively, contrasts contour edge, such as Fruit contour convergence, then explanation is same fruits and vegetables.Preferably, the determination methods of contour convergence are to subtract the by the first profile image The pixel value of two contour images respective coordinates positions, if subtracting each other rear result is all close or equal to 0, then it is assumed that contour convergence, It is exactly that this specifies fruits and vegetables to possess uniqueness, at this point it is possible to complete shopping.

In any of the above-described technical scheme, it is preferable that during computing device computer program, also achieve：Record first The image information of photo and the second photo, image information includes color, shape, the size of telltale mark.

According to the 5th purpose of the present invention, it is proposed that a kind of computer-readable recording medium, computer is stored thereon with Program, realizes following steps when computer program is executed by processor：Fruits and vegetables are specified according to the selection of fruits and vegetables photo, fruits and vegetables tool is specified There is telltale mark；After order generation, the first photo for specifying fruits and vegetables is received；After confirming to receive, obtain and specify the of fruits and vegetables Two photos；First photo and the second photo are compared, judged to specify whether fruits and vegetables possess uniqueness according to comparative result；When When specified fruits and vegetables possess uniqueness, shopping is completed.

According to the computer-readable recording medium of the present invention, the first photo of fruits and vegetables is specified by receiving, and obtain specified Second photo of fruits and vegetables, and the first photo is contrasted with the second photo, to verify whether specified fruits and vegetables possess uniqueness, when When specified fruits and vegetables possess uniqueness, illustrate that the fruits and vegetables that consumer receives are exactly the specified fruits and vegetables selected on the net, now can be with Complete shopping；When specified fruits and vegetables do not possess uniqueness, illustrate that what fruits and vegetables that consumer receives were selected not on the net specifies Fruits and vegetables, can now contact businessman and handle goods return and replacement.So that consumer buys oneself by network as reality shopping The fruits and vegetables selected, it is ensured that quality of the fruits and vegetables in purchasing process, and simple to operate, practicality, effectively improve shopping at network Experience.

In the above-mentioned technical solutions, it is preferable that when computer program is executed by processor, shone by the first photo and second Before piece is compared, also achieve：The size of the second photo is adjusted, until the fixed reference in the second photo is (such as fixed Position mark) with the fixed reference (such as telltale mark) in the first photo untill size is identical.

In any of the above-described technical scheme, it is preferable that when computer program is executed by processor, also achieve：Record the The image information of one photo and the second photo, image information includes color, shape, the size of telltale mark.

According to the 6th purpose of the present invention, it is proposed that a kind of terminal with the application software related to remote monitoring, Including：Processor, memory, input unit and output device, wherein, the operation that processor is stored by calling in memory refers to Order, for performing following operation：Fruits and vegetables are specified according to the selection of fruits and vegetables photo, specified fruits and vegetables have telltale mark；In order generation Afterwards, the first photo for specifying fruits and vegetables is received；After confirming to receive, the second photo for specifying fruits and vegetables is obtained；By the first photo and Two photos are compared, and are judged to specify whether fruits and vegetables possess uniqueness according to comparative result；When specified fruits and vegetables possess uniqueness, Complete shopping.

According to the terminal with the application software related to remote monitoring of the present invention, make consumer by network, it is such as existing Real shopping equally buys the fruits and vegetables of self-selection, it is ensured that quality of the fruits and vegetables in purchasing process, and simple to operate, real With, effectively improve shopping at network experience.

In the above-mentioned technical solutions, it is preferable that the operational order that processor is stored by calling in memory, by described in Before first photo and second photo are compared, it is additionally operable to perform：The size of the second photo is adjusted, until the second photo In fixed reference (such as telltale mark) be all mutually with fixed reference (such as telltale mark) size in the first photo Only.

In any of the above-described technical scheme, it is preferable that the operational order that processor is stored by calling in memory, also use In execution：The image information of the first photo and the second photo is recorded, image information includes color, shape, the size of telltale mark.

The additional aspect and advantage of the present invention will become obvious in following description section, or pass through the practice of the present invention Recognize.

Brief description of the drawings

The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined Substantially and be readily appreciated that, wherein：

Fig. 1 shows that the schematic flow sheet of the method for fruits and vegetables is specified in purchase according to an embodiment of the invention；

Fig. 2 shows the schematic flow sheet of the method for the specified fruits and vegetables of purchase according to another embodiment of the invention；

Fig. 3 shows the schematic flow sheet of the method for the specified fruits and vegetables of purchase according to still a further embodiment；

Fig. 4 shows that the schematic block diagram of the system of fruits and vegetables is specified in purchase according to an embodiment of the invention；

Fig. 5 shows the schematic block diagram of the system of the specified fruits and vegetables of purchase according to another embodiment of the invention；

Fig. 6 shows the schematic block diagram of the system of the specified fruits and vegetables of purchase according to still a further embodiment；

Fig. 7 shows the schematic block diagram of the system of the specified fruits and vegetables of purchase according to still another embodiment of the invention；

Fig. 8 shows the schematic block diagram for the system that fruits and vegetables are specified according to the purchase of the 5th embodiment of the present invention；

Fig. 9 shows the schematic block diagram of terminal according to an embodiment of the invention；

Figure 10 shows the structural representation of computer equipment according to an embodiment of the invention；

Figure 11 shows the terminal according to an embodiment of the invention with the application software related to electric business shopping Structural representation；

Figure 12 a show the flow signal for the method that fruits and vegetables are specified according to the purchase of the specific embodiment of the present invention Figure；

Figure 12 b show the first profile image of the apple of another specific embodiment according to the present invention；

Figure 12 c show the second contour images of the apple of another specific embodiment according to the present invention.

Embodiment

It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application Feature in example and embodiment can be mutually combined.

Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.

As shown in figure 1, the schematic flow sheet of the method for fruits and vegetables is specified in purchase according to an embodiment of the invention.Its In, this method includes：

Step 102, selected to specify fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；

Step 104, after order generation, the first photo for specifying fruits and vegetables is received；

Step 106, after confirming to receive, the second photo for specifying fruits and vegetables is obtained；

Step 108, the first photo and the second photo are compared, are judged to specify whether fruits and vegetables possess according to comparative result Uniqueness；

Step 110, when specified fruits and vegetables possess uniqueness, shopping is completed；

Step 112, when specified fruits and vegetables do not possess uniqueness, goods return and replacement are handled.

Specifically, the fruits and vegetables include fruits and vegetables, preferably have stable profile and the fruits and vegetables of profile, with ensuring method Accuracy, such as apple, tomato, cucumber.The method for specifying fruits and vegetables according to the purchase of the present invention, fruits and vegetables are specified by receiving The first photo, and obtain the second photo for specifying fruits and vegetables, and the first photo contrasted with the second photo, it is specified to verify Whether fruits and vegetables possess uniqueness, when specified fruits and vegetables possess uniqueness, illustrate that the fruits and vegetables that consumer receives are exactly to be chosen on the net The specified fruits and vegetables of choosing, can now complete shopping；When specified fruits and vegetables do not possess uniqueness, illustrate fruits and vegetables that consumer receives simultaneously The non-specified fruits and vegetables selected on the net, can now contact businessman and handle goods return and replacement.So that consumer is by network, it is such as existing Real shopping equally buys the fruits and vegetables of self-selection, it is ensured that quality of the fruits and vegetables in purchasing process, and simple to operate, real With, effectively improve shopping at network experience.

As shown in Fig. 2 the schematic flow sheet of the method for fruits and vegetables is specified in purchase according to another embodiment of the invention.Its In, this method includes：

Step 202, selected to specify fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；

Step 204, after order generation, the first photo for specifying fruits and vegetables is received；

Step 206, after confirming to receive, the second photo for specifying fruits and vegetables is obtained；

Step 208, the size of the second photo is adjusted, until the positioning in the telltale mark and the first photo in the second photo Untill mark size is identical；

Step 210, the first photo and the second photo are compared, are judged to specify whether fruits and vegetables possess according to comparative result Uniqueness；

Step 212, when specified fruits and vegetables possess uniqueness, shopping is completed.

In this embodiment, each specified fruits and vegetables are respectively provided with telltale mark, and no matter in purchasing process what occurs for fruits and vegetables Change, such as obscure when posting, or is maliciously exchanged in transport, and size of the telltale mark in fruits and vegetables is just as. By adjusting the size of the second photo, the size of telltale mark changes therewith thereon, the telltale mark in the second photo When identical with the telltale mark size in the first photo, stop adjustment, make telltale mark as the premise for judging fruits and vegetables uniqueness Condition, herein on basis, then contrasts two photos, to verify whether the fruits and vegetables received possess uniqueness, for the side of comparison Formula method, further can determine whether to confirm using following scheme, so that it is guaranteed that consumer is by network, such as reality Shopping equally buys the fruits and vegetables of self-selection.

Wherein, when shooting the first photo and the second photo, camera is just shot to telltale mark.Meanwhile, to protect The accuracy compared is demonstrate,proved, is compared and just the same to telltale mark spacing using shooting pixel identical and shooting machine progress and take pictures Height shot.

As shown in figure 3, the schematic flow sheet of the method for fruits and vegetables is specified in purchase according to still a further embodiment.Its In, this method includes：

Step 302, selected to specify fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；

Step 304, after order generation, the first photo for specifying fruits and vegetables is received；

Step 306, after confirming to receive, the second photo for specifying fruits and vegetables is obtained；

Step 308, the size of the second photo is adjusted, until the positioning in the telltale mark and the first photo in the second photo Untill mark size is identical；

Step 310, the first image and the second image of respective coordinates position in the first photo and the second photo are chosen；

Step 312, obtain and calculate the difference of the pixel value of the first image and the pixel value of the second image；

Step 314, judge whether difference is more than predetermined threshold value；

Step 316, when difference is more than predetermined threshold value, then judge to specify fruits and vegetables not possess uniqueness；

Step 318, when difference is less than or equal to predetermined threshold value, the first profile image and the second photo of the first photo are extracted The second contour images；

Step 320, judge whether the first profile image and the second contour images overlap；

Step 322, when the first profile image and the second contour images are overlapped, then judge to specify fruits and vegetables to possess uniqueness； If it is determined that result is misaligned, then returns and perform step 316.

In this embodiment, distinguished, randomly selected in the first photo and the second photo at respective coordinates position by developing the color The first image and the second image, obtain and calculate the first image and the difference of the corresponding pixel value of the second image, if difference is more than It is not same fruits and vegetables during predetermined threshold value, then it is assumed that the fruits and vegetables received are different with the fruits and vegetables color specified, that is, this specifies fruit Vegetable does not possess uniqueness.If difference is less than or equal to predetermined threshold value, then it is assumed that the fruits and vegetables received are identical with the fruits and vegetables color specified, Profile into next step judges, the contour images of the first photo and the second photo are extracted respectively, contrasts contour edge, if wheel Exterior feature is overlapped, then explanation is same fruits and vegetables.Preferably, the determination methods of contour convergence are by the first profile image wheel that subtracts the second The pixel value of wide image respective coordinates position, if subtracting each other rear result is all close or equal to 0, then it is assumed that contour convergence, that is, This specifies fruits and vegetables to possess uniqueness, at this point it is possible to complete shopping.

In any of the above-described embodiment, it is preferable that the scope of predetermined threshold value is 0 to 10.

In this embodiment, the scope of predetermined threshold value is 0 to 10, but not limited to this.It is understood that predetermined threshold value Value is smaller, and the uniqueness for fruits and vegetables judges that meeting is more accurate.

In any of the above-described embodiment, it is preferable that also include：The image information of the first photo and the second photo is recorded, is schemed As information includes color, shape, the size of telltale mark.

In this embodiment, the letter such as color, shape, size of telltale mark by recording the first photo and the second photo Breath, can intuitively contrast both differences.Specifically, when the uniqueness of fruits and vegetables is specified in checking, can record in real time simultaneously Image information at the selected coordinate position of display, not only increases interesting, and make it that contrast is more directly perceived.

In any of the above-described embodiment, it is preferable that telltale mark includes following at least one or its combination：Fruits and vegetables label, Quick Response Code, bar code, PLU codes (Price look-up codes, price lookup code).

In this embodiment, telltale mark includes but is not limited to following at least one or its combination：Fruits and vegetables label, two dimension Code, bar code, PLU codes.The telltale mark added on fruits and vegetables not only has the function of tracing to the source, because its size on fruits and vegetables is Constant, therefore can also be by telltale mark, the uniqueness to fruits and vegetables is verified, so as to judge the fruits and vegetables received with specifying Fruits and vegetables it is whether consistent.

As shown in figure 4, the schematic block diagram of the system of fruits and vegetables is specified in purchase according to an embodiment of the invention.Wherein, The system 400 includes：

Selecting unit 402, for being selected to specify fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；

Receiving unit 404, for after order is generated, receiving the first photo for specifying fruits and vegetables；

Acquiring unit 406, for after confirming to receive, obtaining the second photo for specifying fruits and vegetables；

Authentication unit 408, for the first photo and the second photo to be compared, judges to specify fruits and vegetables according to comparative result Whether uniqueness is possessed；When specified fruits and vegetables possess uniqueness, shopping is completed.

The system 400 of fruits and vegetables is specified according to purchase of the invention, specifies the first photo of fruits and vegetables, and acquisition to refer to by receiving Determine the second photo of fruits and vegetables, and the first photo is contrasted with the second photo, to verify whether specified fruits and vegetables possess uniqueness, When specified fruits and vegetables possess uniqueness, illustrate that the fruits and vegetables that consumer receives are exactly the specified fruits and vegetables selected on the net, now may be used To complete shopping；When specified fruits and vegetables do not possess uniqueness, illustrate the finger that the fruits and vegetables that consumer receives are selected not on the net Determine fruits and vegetables, can now contact businessman and handle goods return and replacement.So that consumer is bought certainly by network as reality shopping The fruits and vegetables that oneself selects, it is ensured that quality of the fruits and vegetables in purchasing process, and simple to operate, practicality, effectively improve network purchase Object is tested.

Specifically, businessman is all put into all fruits and vegetables photos on the net, selected for consumer, and according to fruits and vegetables specification not Together, to each or every class fruits and vegetables designated price；Consumer is selected after the fruits and vegetables specified, generation order in purchase, specified The photo of fruits and vegetables can be sent to consumer；After consumer receives fruits and vegetables, using the uniqueness of each fruits and vegetables, it is determined that what is received is every One fruits and vegetables is exactly that fruits and vegetables selected when buying, it is ensured that fruits and vegetables will not be exchanged when businessman delivers and in transit, The quality of fruits and vegetables is set to be guaranteed in purchase and transportation.The wherein uniqueness of fruits and vegetables, in fruits and vegetables shape or colour-difference When very not big, can directly be observed with human eye come；But when shape and color all difference are not very big, it is necessary to it is right Fruits and vegetables image is analyzed, it is preferable that made a distinction using " fixed reference " (the i.e. constant object of reference) in image, for example It is compared using the telltale mark of the first photo and the second photo.By being taken pictures to the fruits and vegetables received, and by generation The photo of the fruits and vegetables specified of the photo with receiving is contrasted, and is verified the uniqueness of fruits and vegetables, that is, is selected fixed reference, it is determined that sitting Origin is marked, the comparison of size between two photo same coordinate positions, shape and color is realized, specifically can be using following step It is rapid to realize.

As shown in figure 5, the schematic block diagram of the system of fruits and vegetables is specified in purchase according to another embodiment of the invention.Its In, the system 500 includes：

Selecting unit 502, for being selected to specify fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；

Receiving unit 504, for after order is generated, receiving the first photo for specifying fruits and vegetables；

Acquiring unit 506, for after confirming to receive, obtaining the second photo for specifying fruits and vegetables；

Authentication unit 508, for the first photo and the second photo to be compared, judges to specify fruits and vegetables according to comparative result Whether uniqueness is possessed；When specified fruits and vegetables possess uniqueness, shopping is completed；

Adjustment unit 510, for before the first photo and the second photo are compared, adjusting the big of the second photo It is small, untill the telltale mark in the second photo is identical with the telltale mark size in the first photo.

In this embodiment, each specified fruits and vegetables are respectively provided with telltale mark, and no matter in purchasing process what occurs for fruits and vegetables Change, such as obscure when posting, or is maliciously exchanged in transport, and size of the telltale mark in fruits and vegetables is just as. By adjusting the size of the second photo, the size of telltale mark changes therewith thereon, the telltale mark in the second photo When identical with the telltale mark size in the first photo, stop adjustment, make telltale mark as the premise for judging fruits and vegetables uniqueness Condition, herein on basis, then contrasts two photos, to verify whether the fruits and vegetables received possess uniqueness, if can visually sentence Break and the difference of shape, color or size, it is determined that be not oneself selected fruits and vegetables, conversely, taking following steps to make into one Step, which differentiates, to be judged, so that it is guaranteed that consumer buys the fruits and vegetables of self-selection by network as reality shopping.

As shown in fig. 6, the schematic block diagram of the system of fruits and vegetables is specified in purchase according to still a further embodiment.Its In, the system 600 includes：

Selecting unit 602, for being selected to specify fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；

Receiving unit 604, for after order is generated, receiving the first photo for specifying fruits and vegetables；

Acquiring unit 606, for after confirming to receive, obtaining the second photo for specifying fruits and vegetables；

Authentication unit 608, for the first photo and the second photo to be compared, judges to specify fruits and vegetables according to comparative result Whether uniqueness is possessed；When specified fruits and vegetables possess uniqueness, shopping is completed；

Adjustment unit 610, for before the first photo and the second photo are compared, adjusting the big of the second photo It is small, untill the telltale mark in the second photo is identical with the telltale mark size in the first photo；

Wherein, authentication unit 608 includes：

Image selection unit 6082, for choose in the first photo and the second photo the first image of respective coordinates position and Second image；

Computing unit 6084, the difference for obtaining and calculating the pixel value of the first image and the pixel value of the second image；

First judging unit 6086, for judging whether difference is more than predetermined threshold value；When difference is more than predetermined threshold value, then Judge to specify fruits and vegetables not possess uniqueness.

In this embodiment, distinguished, randomly selected in the first photo and the second photo at respective coordinates position by developing the color The first image and the second image, obtain and calculate the first image and the difference of the corresponding pixel value of the second image, if difference is more than It is not same fruits and vegetables during predetermined threshold value, then it is assumed that the fruits and vegetables received are different with the fruits and vegetables color specified, that is, this specifies fruit Vegetable does not possess uniqueness.

As shown in fig. 7, the schematic block diagram of the system of fruits and vegetables is specified in purchase according to still another embodiment of the invention.Its In, the system 700 includes：

Selecting unit 702, for being selected to specify fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；

Receiving unit 704, for after order is generated, receiving the first photo for specifying fruits and vegetables；

Acquiring unit 706, for after confirming to receive, obtaining the second photo for specifying fruits and vegetables；

Authentication unit 708, for the first photo and the second photo to be compared, judges to specify fruits and vegetables according to comparative result Whether uniqueness is possessed；When specified fruits and vegetables possess uniqueness, shopping is completed；

Adjustment unit 710, for before the first photo and the second photo are compared, adjusting the big of the second photo It is small, untill the telltale mark in the second photo is identical with the telltale mark size in the first photo；

Wherein, authentication unit 708 includes：Image selection unit 7082, it is right in the first photo and the second photo for choosing Answer the first image and the second image of coordinate position；Computing unit 7084, for obtain and calculate the first image pixel value and The difference of the pixel value of second image；First judging unit 7086, for judging whether difference is more than predetermined threshold value；When difference is big When predetermined threshold value, then judge to specify fruits and vegetables not possess uniqueness；

Authentication unit 708 also includes：

Contours extract unit 7088, for when difference is less than or equal to predetermined threshold value, extracting the first profile of the first photo Second contour images of image and the second photo；

Second judging unit 7090, for judging whether the first profile image and the second contour images overlap；Work as the first round When wide image and the coincidence of the second contour images, then judge to specify fruits and vegetables to possess uniqueness.

In this embodiment, if difference is less than or equal to predetermined threshold value, then it is assumed that the fruits and vegetables received and the fruits and vegetables face specified Color is identical, and the profile into next step judges, the contour images of the first photo and the second photo, contrast profile side are extracted respectively Edge, if contour convergence, illustrates to be same fruits and vegetables.Preferably, the determination methods of contour convergence are by the first profile figure As the pixel value for the contour images respective coordinates position that subtracts the second, if subtracting each other rear result is all close or equal to 0, then it is assumed that profile weight Close, that is, this specifies fruits and vegetables to possess uniqueness, at this point it is possible to complete shopping.

As shown in figure 8, specifying the schematic block diagram of the system of fruits and vegetables according to the purchase of the 5th embodiment of the present invention.Its In, the system 800 includes：

Selecting unit 802, for being selected to specify fruits and vegetables according to fruits and vegetables photo, specified fruits and vegetables have telltale mark；

Receiving unit 804, for after order is generated, receiving the first photo for specifying fruits and vegetables；

Acquiring unit 806, for after confirming to receive, obtaining the second photo for specifying fruits and vegetables；

Authentication unit 808, for the first photo and the second photo to be compared, judges to specify fruits and vegetables according to comparative result Whether uniqueness is possessed；When specified fruits and vegetables possess uniqueness, shopping is completed；

Adjustment unit 810, for before the first photo and the second photo are compared, adjusting the big of the second photo It is small, untill the telltale mark in the second photo is identical with the telltale mark size in the first photo；

Wherein, authentication unit 808 includes：Image selection unit 8082, it is right in the first photo and the second photo for choosing Answer the first image and the second image of coordinate position；Computing unit 8084, for obtain and calculate the first image pixel value and The difference of the pixel value of second image；First judging unit 8086, for judging whether difference is more than predetermined threshold value；When difference is big When predetermined threshold value, then judge to specify fruits and vegetables not possess uniqueness；

Authentication unit 808 also includes：Contours extract unit 8088, for when difference is less than or equal to predetermined threshold value, extracting The first profile image of first photo and the second contour images of the second photo；Second judging unit 8090, for judging first Whether contour images and the second contour images overlap；When the first profile image and the second contour images are overlapped, then judge to specify Fruits and vegetables possess uniqueness；

Recording unit 812, the image information for recording the first photo and the second photo, image information includes color, shape The size of shape, telltale mark.

In any of the above-described embodiment, it is preferable that telltale mark includes following at least one or its combination：Fruits and vegetables label, Quick Response Code, bar code, PLU codes.

As shown in figure 9, the schematic block diagram of terminal according to an embodiment of the invention.Wherein, the terminal 900 includes： As the system 902 of fruits and vegetables is specified in the purchase in above-mentioned any embodiment.Thus terminal 900 possesses the system that fruits and vegetables are specified in purchase 902 whole beneficial effects, will not be repeated here.

As shown in Figure 10, according to the structural representation of the computer equipment of one embodiment of the invention.Wherein, the computer Equipment 1 includes：Including memory 12, processor 14 and it is stored in the computer that can be run on memory 12 and on processor 14 Program, processor 14 realizes following steps when performing computer program：

Fruits and vegetables are specified according to the selection of fruits and vegetables photo, specified fruits and vegetables have telltale mark；

After order generation, the first photo for specifying fruits and vegetables is received；

After confirming to receive, the second photo for specifying fruits and vegetables is obtained；

First photo and the second photo are compared, judged to specify whether fruits and vegetables possess uniqueness according to comparative result； When specified fruits and vegetables possess uniqueness, shopping is completed.

According to the computer equipment 1 of the present invention, the first photo of fruits and vegetables is specified by receiving, and obtains and specifies the of fruits and vegetables Two photos, and the first photo is contrasted with the second photo, to verify whether specified fruits and vegetables possess uniqueness, when specified fruits and vegetables When possessing uniqueness, illustrate that the fruits and vegetables that consumer receives are exactly the specified fruits and vegetables selected on the net, can now complete shopping； When specified fruits and vegetables do not possess uniqueness, illustrate the specified fruits and vegetables that the fruits and vegetables that consumer receives are selected not on the net, now Businessman can be contacted and handle goods return and replacement.So that consumer buys the fruit of self-selection by network as reality shopping Vegetable, it is ensured that quality of the fruits and vegetables in purchasing process, and simple to operate, practicality, effectively improves shopping at network experience.

In the above embodiment, it is preferable that when processor 14 performs computer program, by the first photo and the second photo Before being compared, also achieve：The size of the second photo is adjusted, until in the telltale mark and the first photo in the second photo Telltale mark size it is identical untill.

In this embodiment, each specified fruits and vegetables are respectively provided with telltale mark, and no matter in purchasing process what occurs for fruits and vegetables Change, such as obscure when posting, or is maliciously exchanged in transport, and size of the telltale mark in fruits and vegetables is just as. By adjusting the size of the second photo, the size of telltale mark changes therewith thereon, the telltale mark in the second photo When identical with the telltale mark size in the first photo, stop adjustment, make telltale mark as the premise for judging fruits and vegetables uniqueness Condition, herein on basis, then contrasts two photos, to verify whether the fruits and vegetables received possess uniqueness, so that it is guaranteed that consumption Person buys the fruits and vegetables of self-selection by network as reality shopping.

In any of the above-described embodiment, it is preferable that be compared the first photo and the second photo, sentenced according to comparative result Severed finger determines the specific steps whether fruits and vegetables possess uniqueness, including：Choose respective coordinates position in the first photo and the second photo The first image and the second image；Obtain and calculate the difference of the pixel value of the first image and the pixel value of the second image；Judge Whether difference is more than predetermined threshold value；When difference is more than predetermined threshold value, then judge to specify fruits and vegetables not possess uniqueness；When difference is small When equal to predetermined threshold value, in addition to：Extract the first profile image of the first photo and the second contour images of the second photo；Sentence Whether disconnected the first profile image and the second contour images overlap；When the first profile image and the second contour images are overlapped, then sentence Surely fruits and vegetables are specified to possess uniqueness.

In any of the above-described embodiment, it is preferable that when processor 14 performs computer program, also achieve：Record first The image information of photo and the second photo, image information includes color, shape, the size of telltale mark.

One embodiment of the present of invention proposes a kind of computer-readable recording medium, is stored thereon with computer program, Following steps are realized when computer program is executed by processor：Fruits and vegetables are specified according to the selection of fruits and vegetables photo, specify fruits and vegetables to have fixed Position mark；After order generation, the first photo for specifying fruits and vegetables is received；After confirming to receive, obtain and specify the second of fruits and vegetables to shine Piece；First photo and the second photo are compared, judged to specify whether fruits and vegetables possess uniqueness according to comparative result；When specified When fruits and vegetables possess uniqueness, shopping is completed.

In the above embodiment, it is preferable that when computer program is executed by processor, by the first photo and the second photo Before being compared, also achieve：The size of the second photo is adjusted, until in the telltale mark and the first photo in the second photo Telltale mark size it is identical untill.

In any of the above-described embodiment, it is preferable that when computer program is executed by processor, also achieve：Record first The image information of photo and the second photo, image information includes color, shape, the size of telltale mark.

As shown in figure 11, according to the terminal with the application software related to electric business shopping of one embodiment of the invention Structural representation.Wherein, it should include with the terminal 2 of the application software related to electric business shopping：Processor 22, memory 24, Input unit 26 and output device 28, wherein, processor 22 is by calling the operational order stored in memory 24, for performing Following operation：

In the above embodiment, it is preferable that processor 22 is by calling the operational order stored in memory 24, by Before one photo and the second photo are compared, it is additionally operable to perform：The size of the second photo is adjusted, until determining in the second photo Untill position mark is identical with the telltale mark size in the first photo.

In any of the above-described embodiment, it is preferable that when processor 22 performs computer program, also achieve：Record first The image information of photo and the second photo, image information includes color, shape, the size of telltale mark.

As figure 12 a shows, the flow of the method for fruits and vegetables is specified to illustrate according to the purchase of the specific embodiment of the present invention Figure.Wherein, this method includes：

Step 1202, taken pictures to each fruits and vegetables；

Step 1204, photo is distributed to shopping platform and for each fruits and vegetables labeled price；

Step 1206, whether some fruits and vegetables has been sold；

Step 1208, fruits and vegetables photo is sent to buyer, and the undercarriage fruits and vegetables.

Buyer is received after fruits and vegetables, checking fruits and vegetables uniqueness (by taking apple as an example)：By the use of apple label as telltale mark (such as Shown in Figure 12 b, 12c), camera just to telltale mark, is taken pictures to apple, and the image of generation is referred to as apple A.

When examining apple, just telltale mark is taken pictures to apple to be tested, generation apple B.

Now apple B and apple A image sizes might have difference, it is impossible to which whether be same apple, still if contrasting It is noted that what telltale mark size in all apples was just as.It therefore, it can scale apple B images, make apple A is identical with the telltale mark size of apple B images.

Color is first determined whether, is distinguished by developing the color, randomly selects apple A and apple B respective coordinates position, formed objects The image of (such as 8*8 pixel sizes), contrasts pixel value, if all close or equal, then it is assumed that color is identical, into next step shape Judge；Otherwise it is assumed that two apple colors are not without being same apple.

Secondly judge shape, apple A the first profile image and apple B the second contour images, contrast wheel are extracted respectively Wide edge, if contour convergence, illustrates to be same apple；The determination methods of contour convergence are to subtract B pairs of apple by apple A The pixel value of coordinate position is answered, subtracts each other rear result, if being all close or equal to 0, then it is assumed that contour convergence.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

1. a kind of buy the method for specifying fruits and vegetables, it is characterised in that including：

Fruits and vegetables are specified according to the selection of fruits and vegetables photo, the specified fruits and vegetables have telltale mark；

After order generation, the first photo of the specified fruits and vegetables is received；

After confirming to receive, the second photo of the specified fruits and vegetables is obtained；

First photo and second photo are compared, judge whether the specified fruits and vegetables possess according to comparative result Uniqueness；

When the specified fruits and vegetables possess uniqueness, shopping is completed.

2. the method that fruits and vegetables are specified in purchase according to claim 1, it is characterised in that by first photo and described Before second photo is compared, in addition to：

The size of second photo is adjusted, until the telltale mark in second photo and the positioning in first photo Untill mark size is identical.

3. the method that fruits and vegetables are specified in purchase according to claim 2, it is characterised in that described by first photo and institute State the second photo to be compared, judge whether the specified fruits and vegetables possess the specific steps of uniqueness according to comparative result, including：

Choose the first image and the second image of respective coordinates position in first photo and second photo；

Obtain and calculate the difference of the pixel value of described first image and the pixel value of second image；

Judge whether the difference is more than predetermined threshold value；

When the difference is more than the predetermined threshold value, then judge that the specified fruits and vegetables do not possess uniqueness.

4. the method that fruits and vegetables are specified in purchase according to claim 3, it is characterised in that described in being less than or equal to when the difference During predetermined threshold value, in addition to：

Extract the first profile image of first photo and the second contour images of second photo；

Judge whether the first profile image and second contour images overlap；

When the first profile image and second contour images are overlapped, then judge that the specified fruits and vegetables possess uniqueness.

5. the method that fruits and vegetables are specified in purchase according to any one of claim 1 to 4, it is characterised in that the positioning mark Note includes following at least one or its combination：Fruits and vegetables label, Quick Response Code, bar code, PLU codes.

6. a kind of buy the system for specifying fruits and vegetables, it is characterised in that including：

Selecting unit, for being selected to specify fruits and vegetables according to fruits and vegetables photo, the specified fruits and vegetables have telltale mark；

Receiving unit, for after order is generated, receiving the first photo of the specified fruits and vegetables；

Acquiring unit, for after confirming to receive, obtaining the second photo of the specified fruits and vegetables；

Authentication unit, for first photo and second photo to be compared, described refer to is judged according to comparative result Determine whether fruits and vegetables possess uniqueness；

7. the system that fruits and vegetables are specified in purchase according to claim 6, it is characterised in that also include：

Adjustment unit, for before first photo and second photo are compared, adjusting second photo Size, untill the telltale mark in second photo is identical with the telltale mark size in first photo.

8. the system that fruits and vegetables are specified in purchase according to claim 7, it is characterised in that the authentication unit, including：

Image selection unit, for choose in first photo and second photo the first image of respective coordinates position and Second image；

Computing unit, the difference for obtaining and calculating the pixel value of described first image and the pixel value of second image；

First judging unit, for judging whether the difference is more than predetermined threshold value；

9. the system that fruits and vegetables are specified in purchase according to claim 8, it is characterised in that the authentication unit, in addition to：

Contours extract unit, for when the difference is less than or equal to the predetermined threshold value, extracting the first of first photo Second contour images of contour images and second photo；

Second judging unit, for judging whether the first profile image and second contour images overlap；

10. the system that fruits and vegetables are specified in the purchase according to any one of claim 6 to 9, it is characterised in that the positioning mark Note includes following at least one or its combination：Fruits and vegetables label, Quick Response Code, bar code, PLU codes.