CN109308434B - Electronic price tag, server and system - Google Patents
Electronic price tag, server and system Download PDFInfo
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- CN109308434B CN109308434B CN201710623848.3A CN201710623848A CN109308434B CN 109308434 B CN109308434 B CN 109308434B CN 201710623848 A CN201710623848 A CN 201710623848A CN 109308434 B CN109308434 B CN 109308434B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/22—Image preprocessing by selection of a specific region containing or referencing a pattern; Locating or processing of specific regions to guide the detection or recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/30—Noise filtering
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
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Abstract
The invention provides an electronic price tag, a server and a system, wherein the electronic price tag comprises: the image shooting module is used for shooting images of a preset shelf; and the image sending module is used for sending the image of the preset shelf. The technical scheme can accurately determine the position and the state of the commodity, and is low in cost.
Description
Technical Field
The invention relates to the technical field of electronic price tags, in particular to an electronic price tag, a server and a system.
Background
The internal positioning of the business surpasses comprises: personnel location, commodity location and goods shelves location, what this patent relates to is commodity and goods shelves location, and what the location technique was based on is indoor location technique. Currently, there are many technologies for indoor goods and shelf location, such as: infrared technology, ibeacon positioning technology, WIFI positioning technology and UWB technology. These locations are described below.
1. Infrared technique: the technical precision is relatively high, base stations are required to be arranged for positioning, the base stations mainly measure the energy of infrared signals radiated from the tested equipment, and the position of the price tag is calculated based on the measurement results of the base stations. The positioning precision of the mode is over 1 meter and is limited by the influence of the environment, and the positioning precision is slightly better for the position where the quotient is super close to the middle and is between 1 meter and 2 meters; the positioning accuracy becomes worse at the position close to the edge, more than 2-3 meters. This positioning accuracy is not very suitable for positioning of goods and shelves.
2. ibeacon positioning technique: the technology is based on a Bluetooth BLE technology of 2.4GHz, the beacons send information at regular time, and the tested device knows the distance between the tested device and each beacon by measuring the energy values of different beacon information, so that the position of the tested device is calculated. The biggest problem of the application of the technology is high cost and low positioning precision, the general positioning precision is more than 2-3 meters, and the implementation and maintenance cost is very high, so that the technology is not suitable for positioning goods shelves and commodities.
3. The positioning technology of WIFI has the similar problem with ibeacon, and because the WIFI hotspot lays the very low reason of density, its positioning accuracy is worse, only suits spacious, the environment of not sheltering from, and the not high environment of positioning accuracy requirement.
The three positioning technologies have poor positioning accuracy and are not suitable for indoor positioning of commodities and goods shelves. The UWB positioning technology is the technology most suitable for positioning indoor goods and goods shelves from the technical perspective, but the UWB cost is very high, so that the application of the UWB positioning technology in business is severely restricted.
In summary, the positioning accuracy of the conventional indoor goods and shelf positioning technology is low, and the cost is high, so that according to the conventional indoor goods and shelf positioning technology, the position and the state of the goods on the shelf, such as the lack of goods condition or the position change state of the goods, cannot be accurately determined.
Disclosure of Invention
The embodiment of the invention provides an electronic price tag which is used for accurately determining the position and the state of a commodity on a shelf, and the electronic price tag comprises:
the image shooting module is used for shooting images of a preset shelf;
and the image sending module is used for sending the image of the preset shelf.
In one embodiment, the electronic price tag further comprises:
the display device is used for displaying the mark of the electronic price tag;
the image of the preset shelf comprises an image of an electronic price tag on the shelf, and the image of the electronic price tag comprises an identifier of the electronic price tag.
In one embodiment, the electronic price tag further comprises:
the shooting instruction receiving module is used for receiving a shooting instruction;
the display device is also used for changing the display state after receiving the shooting instruction.
In one embodiment, the image capturing module is specifically configured to capture shelf images according to the capturing instruction and the display state of the display device.
In one embodiment, the image capturing module is specifically configured to capture a shelf image corresponding to the electronic price tag with the display state changed by the display device.
In one embodiment, the display device is an LED lamp or a display screen displaying different colors.
The embodiment of the invention also provides a server used for accurately determining the positions of the states of commodities on the shelves, and the server comprises:
the image receiving module is used for receiving images of a preset shelf;
and the commodity position determining module is used for processing the image and determining the position of the commodity on the shelf according to the image processing result.
In one embodiment, the merchandise location determination module includes:
the identification module is used for identifying the identification of the electronic price tag in the image of the electronic price tag;
the commodity determining module is used for determining the identification of the commodity bound by the electronic price tag according to the identified identification of the electronic price tag and the relationship between the pre-stored identification of the electronic price tag and the commodity identification bound by the electronic price tag;
and the position determining module is used for determining the position of the commodity bound by the electronic price tag according to the position of the electronic price tag on the preset shelf.
In one embodiment, the server further includes: and the commodity state determining module is used for determining the state of the commodity bound by the electronic price tag according to the image processing result.
In one embodiment, the server further includes: the shooting instruction sending module is used for sending a shooting instruction;
the image receiving module is specifically used for receiving shelf images shot according to the shooting instruction and the display state of the display device;
the commodity state determining module is specifically used for processing a shelf image corresponding to the electronic price tag with the changed display state of the display device, and determining the commodity state on the shelf according to the image processing result.
The embodiment of the invention also provides an electronic price tag system, which is used for accurately determining the position and the state of the commodity on the shelf and comprises the following components: an electronic price tag as above and a server as above.
Compared with the scheme of determining the state of the commodity on the shelf by utilizing the indoor positioning technologies such as the infrared technology, the ibeacon positioning technology, the WIFI positioning technology, the UWB technology and the like in the prior art, the technical scheme provided by the embodiment of the invention shoots the preset shelf through the electronic price tag, the server receives the shelf image shot by the electronic price tag, performs image processing on the shelf image, determines the position and the state of the commodity on the shelf according to the image processing result, realizes the image processing on the shelf image shot by the electronic price tag and identifies the position and the state of the commodity on the shelf, and the scheme is high in commodity position accuracy and low in cost, so that the accuracy of determining the state of the commodity on the shelf is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of an electronic price tag system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an electronic price tag according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a server according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a server in another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
The electronic price tag system for determining the state of the commodity on the shelf provided by the embodiment of the invention adopts an image shooting mode, interacts with the electronic price tag at the same time, and finally realizes the identification of the commodity, the position of the electronic price tag and the mark by using an image processing mechanism, thereby determining the state of the commodity on the shelf. The system is described in detail below.
Fig. 1 is a schematic structural diagram of an electronic price tag system according to an embodiment of the present invention, and as shown in fig. 1, the system includes:
the electronic price tag is used for shooting an image of a preset shelf and sending the image of the preset shelf to the server;
and the server 10 is used for receiving the image of the preset shelf, processing the image and determining the position and the state of the commodity on the shelf according to the image processing result.
Compared with the scheme of determining the state of the commodity on the shelf by utilizing the indoor positioning technologies such as the infrared technology, the ibeacon positioning technology, the WIFI positioning technology, the UWB technology and the like in the prior art, the technical scheme provided by the embodiment of the invention shoots the preset shelf through the electronic price tag, the server receives the shelf image shot by the electronic price tag, performs image processing on the shelf image, determines the position and the state of the commodity on the shelf according to the image processing result, realizes the image processing on the shelf image shot by the electronic price tag and identifies the position and the state of the commodity on the shelf, and the scheme is high in commodity position accuracy and low in cost, so that the accuracy of determining the state of the commodity on the shelf is high.
In specific implementation, the electronic price tag system provided by the embodiment of the invention comprises: a photographed electronic price tag, and a server. Besides the name and price of the represented goods, the photographed electronic price tag can also display the identification of the electronic price tag, such as a number. And shooting an image of a preset shelf through the shot electronic price tag, wherein the image of the preset shelf comprises the image of the shot electronic price tag on the shelf, and the image of the electronic price tag comprises an identifier of the electronic price tag, such as 1, 2, 3 and the like. The server receives the image of the preset shelf, identifies the identification of the electronic price tag in the shot image of the electronic price tag, determines the identification of the commodity bound by the electronic price tag according to the identified identification of the electronic price tag and the relationship between the pre-stored identification of the electronic price tag and the identification of the commodity bound by the electronic price tag, determines the position of the commodity bound by the electronic price tag according to the position of the electronic price tag on the preset shelf, and sends the position of the commodity in the business excess to the supplier of the commodity, so that the commodity supplier can know the position and the state of the commodity in the business excess in real time. According to the embodiment of the invention, the commodity is accurately positioned through an image processing technology, so that the state of the commodity on the shelf is accurately determined.
The electronic price tag and the server are described in detail below.
Fig. 2 is a schematic structural diagram of an electronic price tag according to an embodiment of the present invention, and as shown in fig. 2, the electronic price tag includes:
the image shooting module 22 is used for shooting images of preset shelves;
and the image sending module 24 is used for sending the image of the preset shelf.
In one embodiment, the electronic price tag further comprises:
the display device is used for displaying the mark of the electronic price tag;
the image of the preset shelf comprises an image of an electronic price tag on the shelf, and the image of the electronic price tag comprises an identifier of the electronic price tag.
In one embodiment, the electronic price tag further comprises:
the shooting instruction receiving module is used for receiving a shooting instruction;
the display device is also used for changing the display state after receiving the shooting instruction.
In one embodiment, the image capturing module is specifically configured to capture a shelf image according to the capturing instruction and a display state of the display device.
In one embodiment, the image capturing module is specifically configured to capture a shelf image corresponding to the electronic price tag with the display state changed by the display device.
In specific implementation, the function of the shot electronic price tag for changing the display state is as follows: because the shot electronic price tags may shoot commodity images on a plurality of shelves in the shooting process, and the shot electronic price tags change the display state, when the subsequent server performs image processing and identification, shelf area images corresponding to the electronic price tags with the changed display state can be processed, and images of other areas (shelves) can be filtered out, so that the accuracy and the efficiency of image identification are improved, and the shot electronic price tags play a role in indexing. The specific shooting process may be: the display states of the shot electronic price tags are changed in sequence, the shot electronic price tags shoot the shelf areas corresponding to the electronic price tags with the changed display states one by one, or the shelf areas corresponding to a plurality of electronic price tags with the changed display states can be shot simultaneously, and then the follow-up server removes other shelf images.
In one embodiment, the display device is an LED lamp or a display screen displaying different colors.
Based on the same inventive concept, the embodiment of the present invention further provides a server, as described in the following embodiments. Because the principle of the server for solving the problems is similar to the electronic price tag, the implementation of the server can refer to the implementation of the electronic price tag, and repeated details are not repeated. As used hereinafter, the term "unit" or "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 3 is a schematic structural diagram of a server in an embodiment of the present invention, and as shown in fig. 3, the server includes:
the image receiving module 12 is used for receiving an image of a preset shelf;
and a commodity position determining module 14, configured to process the image and determine the position of the commodity on the shelf according to the image processing result.
In one embodiment, as shown in FIG. 4, the merchandise location determination module 14 includes:
an identification module 141 that identifies an identifier of the electronic price tag in the image of the electronic price tag;
the commodity determining module 142 is used for determining the identification of the commodity bound by the electronic price tag according to the identified identification of the electronic price tag and the relationship between the pre-stored identification of the electronic price tag and the commodity identification bound by the electronic price tag;
the position determining module 143 determines the position of the commodity bound by the electronic price tag according to the position of the electronic price tag on the preset shelf.
During specific implementation, the relation between the electronic price tag and the preset position on the binding shelf is stored in the database, so that the position of the commodity bound by the electronic price tag can be determined.
To give an example: an electronic price tag is arranged at the position No. 1 on the No. 1 shelf, and the electronic price tag represents a basic mark of the commodity, such as the commodity name: mineral water, price: 2.5 yuan and the like, and the electronic price tag is internally provided with a camera, when in operation, the electronic price tag shoots a nearby shelf according to a real-time shooting instruction or a timing shooting instruction of the server, for example, the shelf on the shelf No. 2 is shot, the shot picture is sent to the server, the image of the preset shelf comprises an image of the electronic price tag on the shelf, the image of the electronic price tag comprises an identification of the electronic price tag, the server identifies the identification of the electronic price tag in the shot image of the electronic price tag, determines the identification of the goods bound by the electronic price tag according to the identified identification of the electronic price tag and the relationship between the pre-stored identification of the electronic price tag and the identification of the goods bound by the electronic price tag, determines the position of the goods bound by the electronic price tag according to the position of the electronic price tag on the preset shelf, and sends the position of the goods in the business excess to a supplier of the goods, the commodity supplier can know the position and the state of the commodity in the business overtime in real time, such as: if the position serial number is 1 ~ 8 respectively on No. 2 goods shelves, 1 ~ 8 positions have set up 8 electronic tags respectively, and electronic tags's sign (serial number) also is 1 ~ 8 in proper order, and through server image recognition, this supplier knows that the position of oneself commodity in the business surpasses is No. 2 positions of No. 2 goods shelves to the commodity is in the out-of-stock state.
In one embodiment, the server further includes: and the commodity state determining module 16 is used for determining the state of the commodity bound by the electronic price tag according to the image processing result.
The merchandise status determination module 16 will be described below.
In one embodiment, the server receives the image of the preset shelf, and after the image is identified that no goods or the quantity of the goods represented by the electronic price tag is less than the preset quantity, the state of the goods is proved to be the out-of-stock state.
In one embodiment, when the image of the identified product is inconsistent with the image of the product to which the electronic tag is bound after the image identification, the position of the product on the shelf is proved to be changed.
In specific implementation, when the server performs image processing, the position (area) of the electronic tag No. 1 is identified to be an image of the bread, and the image is stored in the server database as follows: the number 1 electronic tag shows that the bound commodity is coca-cola, and the matching condition of the electronic price tag and the commodity is incorrect, so that the position of the bread commodity is changed.
In one embodiment, the server further includes: the shooting instruction sending module is used for sending a shooting instruction;
the image receiving module is specifically used for receiving shelf images shot according to the shooting instruction and the display state of the display device;
the commodity state determining module is specifically used for processing a shelf image corresponding to the electronic price tag with the changed display state of the display device, and determining the commodity state on the shelf according to the image processing result.
In specific implementation, because the shot electronic price tags can shoot commodity images on a plurality of shelves in the shooting process, and the shot electronic price tags change the display state, the commodity images corresponding to the electronic price tags with the changed display state can be processed and filtered out when the images are processed and identified, so that the accuracy and the efficiency of image identification are improved, and the shot electronic price tags play a role in indexing, so that targeted shooting is realized.
The following description is given by way of example to facilitate an understanding of how the invention may be practiced.
The first embodiment is as follows:
1. the camera is integrated in the electronic price tag, the electronic price tag is used as an image shooting carrier, and a 2.4GHz wireless communication technology is utilized to send a shot shelf image to a system background (a server which can be the combination of software and hardware), and the background server processes the image;
2. the electronic price tag with the camera is arranged at any position of the shelf, so that the preset (opposite or adjacent) shelf is shot;
3. the transmission of the image adopts a 2.4GHz transmission technology, and the shot shelf image is sent to a background system (server);
4. the server is responsible for processing the images, identifying the positions of the goods on the goods shelf, determining the vacancy condition of the goods on the goods shelf, identifying the quantity of the goods, judging whether the goods are in shortage or not, judging whether the positions of the goods are changed or not and the like.
Example two:
another way to more accurately determine the status of the product on the shelf is as follows:
1. the camera is integrated in the electronic price tag, the electronic price tag is used as an image shooting carrier, a 2.4GHz wireless communication technology is utilized, a shot shelf image is sent to a system background, and the background (a server which can be a combination of software and hardware) processes the image;
2. the electronic price tag with the camera is arranged at any position of the shelf, so that the opposite shelf is shot;
3. before shooting, the server can enable the shot electronic price tag to light an LED lamp, or a screen displays a special mode, such as displaying black;
4. the price tags to be shot are displayed into the special mode one by one, the price tags with the cameras are shot one by one, and shot pictures are recorded and uploaded (the pictures are sent to a server);
5. the server performs image processing based on the display state of the price tag on the shelf image, and determines the state of the price tag position.
Because the electronic price tags and each kind of goods are bound together one by one, the change of the position of the price tag is directly mapped to the goods (goods), thereby judging whether the goods are on the original goods shelf or not, whether the position of the goods changes or not and the like.
The technical scheme provided by the embodiment of the invention can achieve the following beneficial technical effects:
according to the technical scheme provided by the embodiment of the invention, the preset shelf is shot through the electronic price tag, the server receives the shelf image shot through the electronic price tag, the shelf image is subjected to image processing, the position and the state of the commodity on the shelf are determined according to the image processing result, the image processing of the shelf image shot through the electronic price tag is realized, the commodity state of the commodity on the shelf is identified, and the precision of determining the position of the commodity is high through the scheme, the cost is low, and further the precision of determining the state of the commodity on the shelf is also high.
It will be apparent to those skilled in the art that the modules or steps of the embodiments of the invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An electronic price tag, comprising:
the shooting instruction receiving module is used for receiving a shooting instruction;
the display device is used for displaying the mark of the electronic price tag and changing the display state after receiving the shooting instruction;
the image shooting module is used for shooting the image of the preset goods shelf corresponding to the electronic price tag with the changed display state of the display device according to the shooting instruction and the display state of the display device;
the image sending module is used for sending the image of the preset shelf;
the preset shelf image comprises an image of an electronic price tag on the shelf, and the image of the electronic price tag comprises an identifier of the electronic price tag; the electronic price tag identifier is used for determining the electronic price tag identifier of the commodity bound by the electronic price tag according to the relationship between the electronic price tag identifier and the commodity identifier bound by the electronic price tag, and determining the electronic price tag position of the commodity bound by the electronic price tag according to the electronic price tag position on the preset goods shelf.
2. The electronic price tag of claim 1, wherein the display device is a display screen displaying different colors.
3. A server, comprising:
the image receiving module is used for receiving images of a preset shelf;
the commodity position determining module is used for processing the image and determining the position of the commodity on the goods shelf according to the image processing result;
the merchandise location determination module includes:
the identification module is used for identifying the identification of the electronic price tag in the image of the electronic price tag;
the commodity determining module is used for determining the identification of the commodity bound by the electronic price tag according to the identified identification of the electronic price tag and the relationship between the pre-stored identification of the electronic price tag and the commodity identification bound by the electronic price tag;
the position determining module is used for determining the position of the commodity bound by the electronic price tag according to the position of the electronic price tag on the preset shelf;
the commodity state determining module is used for determining the state of the commodity bound by the electronic price tag according to the image processing result;
the shooting instruction sending module is used for sending a shooting instruction;
the image receiving module is specifically used for receiving shelf images shot according to the shooting instruction and the display state of the display device;
the commodity state determination module is specifically configured to: filtering the shot goods shelf image to obtain a goods shelf image corresponding to the electronic price tag with the changed display state of the display device, processing the goods shelf image corresponding to the electronic price tag with the changed display state of the display device, and determining the state of goods on the goods shelf according to the image processing result; the states of the commodities comprise the vacancy condition of the commodities on the shelf and whether the positions of the commodities are changed.
4. An electronic price tag system, comprising:
an electronic price tag according to any one of claims 1 to 2;
the server of claim 3.
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| CN201710623848.3A CN109308434B (en) | 2017-07-27 | 2017-07-27 | Electronic price tag, server and system |
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| CN201710623848.3A CN109308434B (en) | 2017-07-27 | 2017-07-27 | Electronic price tag, server and system |
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