CN111401917A - Filter element counterfeit discriminating method, water treatment device and computer readable storage medium - Google Patents
Filter element counterfeit discriminating method, water treatment device and computer readable storage medium Download PDFInfo
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Abstract
The invention provides a method for identifying a filter element, a water treatment device and a computer readable storage medium, wherein the filter element is provided with a steganographic identification pattern, and the method comprises the following steps: acquiring a filter element image containing the counterfeit identification pattern in a display state; decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern; and comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent. In the technical scheme of the application, the counterfeit identification pattern is hidden in the filter element image, so that the counterfeit identification pattern is not easy to be perceived by naked eyes, the pattern is decoded by a corresponding device with a pre-stored decoding table, and further the filter element imitation threshold in the prior art is improved.
Description
Technical Field
The invention relates to the field of filter element counterfeit identification, in particular to a filter element counterfeit identification method, a water treatment device and a computer readable storage medium.
Background
The filter element counterfeit identification method in the prior art has two types, one is a bar code counterfeit identification technology, the other is a two-dimensional code counterfeit identification technology, and the two technologies are used for setting codes at positions where products are very obvious so as to facilitate users to obtain code information and further obtain related parameters of the filter element. But this is also a double-edged sword, easily available, and also represents an easy counterfeit. Lawbreakers can know the relevant parameters of the filter element by scanning a bar code or a two-dimensional code, so that the filter element can be imitated by cheap manufacturing equipment and a very simple manufacturing process.
Therefore, how to improve the counterfeit identification capability of the filter element to improve the threshold of counterfeit filter elements is a problem to be solved urgently.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides a filter element false distinguishing method in a first aspect.
A second aspect of the invention provides a water treatment apparatus.
A third aspect of the invention proposes a computer-readable storage medium.
In view of the above, a first aspect of the present invention provides a method for authenticating a filter element having a steganographic authentication pattern, comprising: acquiring a filter element image containing the counterfeit identification pattern in a display state; decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern; and comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent.
The method for identifying the filter element comprises the steps of adding an identification pattern into a filter element image in a steganography mode, decoding the obtained identification pattern through a pre-stored decoding table so as to obtain a product code which corresponds to the identification pattern and has product parameter information, comparing the obtained product code of the filter element with coded data which are stored in a database in advance, sending a verification passing signal to a device body where the filter element is located if the product code of the filter element is consistent with the coded data in the database, and sending a verification failing signal to the device body where the filter element is located so that the filter element cannot normally work. According to the technical scheme, the counterfeit identification pattern is hidden in the filter element image, so that the counterfeit identification pattern is not easy to perceive by naked eyes, even if the position of the counterfeit identification pattern is known through other ways, a product contained in the counterfeit identification pattern cannot be analyzed in a code scanning mode, the pattern must be decoded through a corresponding device with a prestored decoding table, and further a simulation threshold is improved, so that the counterfeit of filter element products of certain brands by illegal merchants is effectively prevented, in addition, the filter element can work only on the premise that the product coding information of the filter element is consistent with the coding information in a database, further the anti-counterfeiting capacity of the filter element is improved, the condition that the filter element can normally work without authorization is effectively prevented, and the market share of the device body where the filter element is located is ensured to a certain extent.
In addition, the counterfeit identification method for the filter element in the technical scheme provided by the invention also has the following additional technical characteristics:
in the above technical solution, preferably, the filter element further has a steganographic identification pattern, wherein the identification pattern is continuous with the counterfeit identification pattern; the filter element image also comprises a mark pattern in a display state; after the filter element image of the counterfeit identification pattern in the display state is acquired, before the counterfeit identification pattern is decoded by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern, the method further comprises the following steps: comparing the pre-stored identification pattern with the filter element image, and positioning a first position of the identification pattern in the filter element image; the authentication pattern is positioned according to the first position.
In the technical scheme, the position of the counterfeit identification pattern is located through a hidden identification pattern which is contained in the filter element image and is continuous with the counterfeit identification pattern, specifically, the pre-stored identification pattern is compared with the filter element image, then the specific position of the hidden identification pattern in the filter element image is located according to the comparison condition, and finally the specific position of the counterfeit identification pattern is located according to the specific position, so that the counterfeit identification pattern can be decoded by a device with a pre-stored decoding table at a later stage.
In any of the above technical solutions, preferably, when the determination result is negative, the warning signal is sent out.
In this technical scheme, when the product code of filter core and the coded data in the database are inconsistent, also sent the warning signal to the device body at filter core place and verified the signal that passes through incidentally when to remind user this filter core not the filter core of former factory or former factory authorization, therefore unable normal work, and then lead to using the device body of this filter core can't realize its original function.
In any of the above technical solutions, preferably, the step of obtaining the filter element image of the counterfeit detection pattern in the display state specifically includes: and acquiring a filter element image of the counterfeit identification pattern in a display state at preset time intervals.
In the technical scheme, a period of time is preset so that a filter element image with the counterfeit identification pattern in the display state can be obtained every interval of the period of time, whether the filter element is replaced by a filter element of another brand by a user after the filter element is used for a period of time or not can be monitored, the device body where the filter element is located is timely informed to control the filter element to stop working, normal working of the device body is prevented from being influenced due to the quality problem of the filter element after the filter element is used for a period of time, and the phenomenon that a filter element manufacturer tears a skin when the user maintains the right can be avoided.
In any of the above embodiments, preferably, the authentication pattern is a pattern generated by object identifier encoding software.
In the technical scheme, the identification pattern is generated through object identifier coding software, specifically, the filter element is coded through the object identifier coding software, and then the code is hidden in the filter element image through special printing software to form a final filter element image with the identification pattern. Preferably, the software is encoded using OIDs (Object Identifier) that use a hierarchical tree structure to globally unambiguous, uniquely name any type of Object, including physical objects, virtual objects, conforming objects, etc.
A second aspect of the present invention provides a water treatment apparatus comprising: the filter element is provided with a steganographic counterfeit identification pattern; the acquisition device is used for acquiring a filter element image containing the counterfeit identification pattern in a display state; the controller is connected with the acquisition device and is used for decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern; and comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent.
The invention relates to a water treatment device, which comprises a filter element, an acquisition device and a controller, wherein a false distinguishing pattern is added into a filter element image in a steganography mode, the filter element image is acquired by the acquisition device and sent to the controller, the acquired false distinguishing pattern is decoded through a decoding table prestored in the controller so as to obtain a product code corresponding to the false distinguishing pattern and having product parameter information, the obtained product code of the filter element is compared with coded data stored in a database in advance, if the product code of the filter element is consistent with the coded data in the database, a verification passing signal is fed back to the controller so that the controller can control the filter element to normally work, and if not, a verification failing signal is fed back to the controller so that the controller controls the filter element to stop working. According to the technical scheme, the counterfeit identification pattern is hidden in the filter element image, so that the counterfeit identification pattern is not easy to perceive by naked eyes, even if the position of the counterfeit identification pattern is known through other ways, a product contained in the counterfeit identification pattern cannot be analyzed in a code scanning mode, the pattern must be decoded through a corresponding device with a prestored decoding table, and further a simulation threshold is improved, so that the counterfeit of filter element products of certain brands by illegal merchants is effectively prevented, in addition, the filter element can work only on the premise that the product coding information of the filter element is consistent with the coding information in a database, further the anti-counterfeiting capacity of the filter element is improved, the condition that the filter element can normally work without authorization is effectively prevented, and the market share of the device body where the filter element is located is ensured to a certain extent.
In addition, the water treatment device in the technical scheme provided by the invention also has the following additional technical characteristics:
in the above technical solution, preferably, the filter element further has a steganographic identification pattern, the identification pattern is continuous with the counterfeit identification pattern, and the filter element image further includes the identification pattern in a display state; the controller is further configured to: comparing the pre-stored identification pattern with the filter element image, and positioning a first position of the identification pattern in the filter element image; the authentication pattern is positioned according to the first position.
In the technical scheme, the position of the counterfeit identification pattern is located through a hidden identification pattern which is contained in the filter element image and is continuous with the counterfeit identification pattern, specifically, the controller firstly uses the identification pattern pre-stored in the controller to compare with the filter element image, then locates the specific position of the hidden identification pattern in the filter element image according to the comparison condition, and finally locates the specific position of the counterfeit identification pattern according to the specific position, so that the counterfeit identification pattern can be decoded by a device with a pre-stored decoding table at a later stage, and the identification pattern in the technical scheme can be a single number or letter or a combination of the two.
In any of the above technical solutions, preferably, the controller is further configured to: and if not, sending out a warning signal to control a warning device of the water treatment device to send out warning information.
In this technical scheme, when the controller verified that the product code of filter core was inconsistent with the coded data in the database, the controller just can send to the water treatment facilities at filter core place and verify also the subsidiary warning signal that has sent when not passing through to control water treatment facilities's warning device sends warning information, be used for reminding this filter core of user not former factory or former factory authorized filter core, therefore unable normal work, and then lead to using the water treatment facilities of this filter core to realize its original function.
In any of the above technical solutions, preferably, the controller is specifically configured to: and acquiring a filter element image of the counterfeit identification pattern in a display state at preset time intervals.
In the technical scheme, a period of time is preset in the controller so that a filter element image of the counterfeit identification pattern sent by the acquisition device in a display state can be acquired every interval of the period of time, whether the filter element is replaced by a user after the filter element is used for a period of time or not can be monitored, the water treatment device where the filter element is located can be timely informed to control the filter element to stop working, the normal work of the device body is prevented from being influenced by the quality problem of the filter element after the filter element is used for a period of time, and the phenomenon that a filter element manufacturer peels when the user maintains rights can be avoided.
In any of the above technical solutions, preferably, the controller is further configured to: and receiving the control parameters of the acquisition device, and controlling the acquisition device to operate according to the control parameters so that the acquisition device acquires the filter element image of the counterfeit identification pattern in a display state.
In the technical scheme, the control device controls the acquisition device to acquire the filter element image of the counterfeit identifying pattern in a display state in real time according to the received control parameters sent by the acquisition device, and the filter element image containing the counterfeit identifying pattern can be acquired in real time by adopting the technical scheme, so that whether the filter element is replaced by another brand of filter element by a user after being used for a period of time or not can be monitored in real time.
In any of the above technical solutions, preferably, the authentication pattern is a pattern generated by object identifier encoding software; the acquisition device is an object identifier-specific image recognition camera.
In the technical scheme, the identification pattern is generated through object identifier coding software, specifically, the filter element is coded through the object identifier coding software, and then the code is hidden in the filter element image through special printing software to form a final filter element image with the identification pattern. Preferably, the software is encoded using OIDs (Object Identifier) that use a hierarchical tree structure to globally unambiguous, uniquely name any type of Object, including physical objects, virtual objects, conforming objects, etc. In addition, the acquisition device is a special image identification camera for the object identifier, and effective acquisition of the filter core image containing the counterfeit identification pattern can be realized only by adopting the special image identification camera, so that the coded information in the filter core image containing the counterfeit identification pattern can be prevented from being stolen.
A third aspect of the present invention provides a computer-readable storage medium on which a computer program is stored, the computer program, when executed by a processor, implementing the control method of the water treatment apparatus according to any one of the above aspects, and therefore the computer-readable storage medium includes all the advantageous effects of the control method of the water treatment apparatus according to any one of the above aspects.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 illustrates a schematic flow diagram of a method for authenticating a filter cartridge according to one embodiment of the present disclosure;
FIG. 2 is a schematic flow diagram illustrating a method of authenticating a filter cartridge according to another embodiment of the present disclosure;
FIG. 3 is a schematic flow diagram illustrating a method for authenticating a filter cartridge according to yet another embodiment of the present invention;
FIG. 4 is a schematic flow diagram illustrating a method of authenticating a filter cartridge according to another embodiment of the present disclosure;
FIG. 5 is a schematic flow chart illustrating a method of authenticating a filter cartridge according to another embodiment of the present disclosure;
FIG. 6 is a schematic diagram illustrating the reading of a code constituting an authentication pattern by a collection device and a controller of a water treatment device according to an embodiment of the present invention;
FIG. 7 is a block diagram illustrating the structure of a code constituting the authentication pattern according to an embodiment of the present invention;
FIG. 8 is a view illustrating a printing method and an effect of a counterfeit authentication pattern according to an embodiment of the present invention;
FIG. 9 shows a schematic structural view of a water treatment device collection device according to one embodiment of the present invention;
FIG. 10 is a schematic flow chart illustrating a stealth anti-counterfeiting method applied to a filter element of a water treatment device according to the present invention;
fig. 11 is a block diagram schematically showing the structure of a water treatment apparatus according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In an embodiment of the first aspect of the invention, a method for identifying a filter element of a water treatment device is provided. Fig. 1 shows a schematic flow chart of a method for authenticating a filter element according to an embodiment of the invention. The filter element counterfeit identification method comprises the following steps:
s102, obtaining a filter element image of the counterfeit identification pattern in a display state;
s104, decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern;
and S106, comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent.
In the embodiment, the counterfeit identification pattern is added to the filter element image in a hidden writing mode, the obtained counterfeit identification pattern is decoded through a pre-stored decoding table so as to obtain a product code which corresponds to the counterfeit identification pattern and has product parameter information, the obtained product code of the filter element is compared with coded data which is stored in a database in advance, if the product code of the filter element is consistent with the coded data in the database, a verification passing signal is sent to the device body where the filter element is located, so that the filter element can work normally, and otherwise, a verification failing signal is sent to the device body where the filter element is located, so that the filter element cannot work normally. According to the technical scheme, the counterfeit identification pattern is hidden in the filter element image, so that the counterfeit identification pattern is not easy to perceive by naked eyes, even if the position of the counterfeit identification pattern is known through other ways, a product contained in the counterfeit identification pattern cannot be analyzed in a code scanning mode, the pattern must be decoded through a corresponding device with a prestored decoding table, and further a simulation threshold is improved, so that the counterfeit of filter element products of certain brands by illegal merchants is effectively prevented, in addition, the filter element can work only on the premise that the product coding information of the filter element is consistent with the coding information in a database, further the anti-counterfeiting capacity of the filter element is improved, the condition that the filter element can normally work without authorization is effectively prevented, and the market share of the device body where the filter element is located is ensured to a certain extent.
Fig. 2 is a schematic flow chart illustrating a method for authenticating a filter cartridge according to another embodiment of the present invention. The filter element counterfeit identification method comprises the following steps:
s202, obtaining a filter element image of the counterfeit identification pattern in a display state;
s204, a steganographic identification pattern is further arranged on the filter element image, wherein the identification pattern is continuous with the counterfeit identification pattern, the pre-stored identification pattern is compared with the filter element image, a first position of the identification pattern in the filter element image is located, and the counterfeit identification pattern is located according to the first position;
s206, decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern;
and S208, comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent.
In this embodiment, the position of the counterfeit detection pattern is located by a hidden identification pattern contained in the filter core image and continuous with the counterfeit detection pattern, specifically, the pre-stored identification pattern is compared with the filter core image, then the specific position of the hidden identification pattern in the filter core image is located according to the comparison condition, and finally the specific position of the counterfeit detection pattern is located according to the specific position, so as to decode the counterfeit detection pattern later by using a device with a pre-stored decoding table.
Fig. 3 is a schematic flow chart illustrating a method for authenticating a filter cartridge according to yet another embodiment of the present invention. The filter element counterfeit identification method comprises the following steps:
s302, obtaining a filter core image of the counterfeit identification pattern in a display state;
s304, a steganographic identification pattern is further arranged on the filter element image, wherein the identification pattern is continuous with the counterfeit identification pattern, the pre-stored identification pattern is compared with the filter element image, and a first position of the identification pattern in the filter element image is positioned; positioning the counterfeit identifying pattern according to the first position;
s306, decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern;
s308, comparing the product code of the filter element with a pre-stored code database, sending a verification passing signal when the comparison result is consistent so as to enable the filter element to operate, and sending a warning signal when the comparison result is inconsistent.
In this embodiment, when the product code of the filter element is inconsistent with the code data in the database, the device body where the filter element is located is sent a signal indicating that the filter element is not passed through the verification, and meanwhile, a warning signal is also sent incidentally, so as to remind a user that the filter element is not an authorized filter element of an original factory or an original factory, and therefore the filter element cannot work normally, and further the device body using the filter element cannot realize the original function.
Fig. 4 is a schematic flow chart illustrating a method for authenticating a filter cartridge according to another embodiment of the present invention. The filter element counterfeit identification method comprises the following steps:
s402, acquiring a filter element image of the counterfeit identification pattern in a display state at intervals of preset time;
s404, a steganographic identification pattern is further arranged on the filter element image, wherein the identification pattern is continuous with the counterfeit identification pattern, the pre-stored identification pattern is compared with the filter element image, and a first position of the identification pattern in the filter element image is located; positioning the counterfeit identifying pattern according to the first position;
s406, decoding the counterfeit distinguishing pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit distinguishing pattern;
s408, comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent; and when the comparison results are inconsistent, sending out a warning signal.
In the embodiment, a period of time is preset so that a filter element image with a counterfeit identification pattern in a display state can be obtained every time the period of time is set, whether the filter element is replaced by a filter element of another brand by a user after the filter element is used for a period of time or not can be monitored, the device body where the filter element is located can be timely informed to control the filter element to stop working, normal working of the device body is prevented from being influenced due to quality problems of the filter element after the filter element is used for a period of time, and the phenomenon that a filter element manufacturer tears a skin when the user maintains the right can be avoided.
Fig. 5 is a schematic flow chart illustrating a method for authenticating a filter cartridge according to another embodiment of the present invention. The filter element counterfeit identification method comprises the following steps:
s502, acquiring a filter element image of an authentic pattern in a display state at intervals of preset duration, wherein the authentic pattern is a pattern generated by object identifier coding software;
s504, a steganographic identification pattern is further arranged on the filter element image, wherein the identification pattern is continuous with the counterfeit identification pattern, the pre-stored identification pattern is compared with the filter element image, and a first position of the identification pattern in the filter element image is located; positioning the counterfeit identifying pattern according to the first position;
s506, decoding the counterfeit distinguishing pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit distinguishing pattern;
s508, comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent; and when the comparison results are inconsistent, sending out a warning signal.
In the embodiment, the identification pattern is generated by object identifier coding software, specifically, the filter element is coded by the object identifier coding software, and then the code is hidden in the filter element image by special printing software to form a final filter element image with the identification pattern.
In one embodiment of the present invention, fig. 6 shows a printing method and effect display diagram of the counterfeit authentication image according to one embodiment of the present invention, as shown in fig. 6, the counterfeit authentication image is printed on the bottom of C, M and Y layers, that is, when the K layer (black coating) is printed, the counterfeit authentication image is printed on the bottom layer, the printed patterns are formed by printing C (blue), M (magenta) and Y (yellow), and the steganography of the counterfeit authentication image is realized by the shielding effect of C (blue), M (magenta) and Y (yellow). Specifically, as shown in fig. 6, the authentication image is a display image in a display state.
Fig. 6 is a schematic diagram illustrating the principle of reading the code forming the counterfeit detection pattern by the acquisition device and the controller of the water treatment device according to an embodiment of the present invention, as shown in fig. 6, the filter cartridge image is firstly acquired by the acquisition device and sent to the controller, the acquired counterfeit detection pattern is decoded by a decoding table pre-stored in the controller so as to obtain a product code having product parameter information corresponding to the counterfeit detection pattern, and then the obtained product code of the filter cartridge is compared with the encoded data pre-stored in the database.
Fig. 7 shows a schematic view of an acquisition structure of an acquisition device according to an embodiment of the invention.
Fig. 8 is a schematic diagram of an acquisition structure of an acquisition device according to another embodiment of the present invention, as shown in fig. 7 and 8, the acquisition device calls a control signal from a storage medium (EEPROM) to control an infrared light emitting diode to emit light, the infrared light is irradiated to a filter element, the dot image (K layer) printing ink absorbs infrared light, and the optical scanning head scans an image in a display state of the dot image (K layer) printing ink through a C-MOS lens and outputs the image to a microcontroller (DSP, digital signal processor) or (MCU, microcontrol unit) to perform the counterfeit identification of the filter element according to the obtained counterfeit identification image.
Fig. 9 is a schematic structural diagram illustrating a code constituting a counterfeit discriminating pattern according to an embodiment of the present invention, in which black origins are respectively located in four quadrants of a two-dimensional coordinate system as shown in fig. 9, wherein when the black origin is located in a fourth quadrant of the two-dimensional coordinate system, it represents a binary code "00"; when the black origin is located at the third quadrant of the two-dimensional coordinate system, the binary code "01" is represented; when the black origin is located at the second quadrant of the two-dimensional coordinate system, it represents the binary code "10"; when the black origin is located at the first quadrant of the two-dimensional coordinate system, it represents the binary code "11". The combination of "00", "01", "10" and "11" is compiled to generate the authentic pattern of the filter element.
Fig. 10 is a schematic flow chart showing a hidden anti-counterfeiting method applied to a filter element of a water treatment device according to the present invention, and as shown in fig. 10, in an embodiment of the present invention, the hidden anti-counterfeiting method of the filter element is implemented as follows:
s602, setting OID acquisition parameters;
s604, reading the invisible code information once per hour;
and S606, judging whether the product information is matched with the preset product information, if so, executing S610, and otherwise, executing S608.
And the filter element is subjected to ID coding through OID coding software, and then the code is hidden in a color printing drawing of the filter element through special printing software. The printed picture is not visually distinguished from the normal picture, and the coded pattern hidden in the printed image can be recognized by a dedicated OID sensor. And the OID sensor is arranged on the host, when the filter element with the anti-counterfeiting function is arranged on the host, the OID can identify the filter element code and inform the host control board of carrying out anti-counterfeiting inquiry on the filter element code, if the filter element is an authorized filter element, the filter element can work, and if the filter element is an illegal filter element, the work is stopped.
In an embodiment of the second aspect of the present invention, there is provided a water treatment apparatus, and fig. 11 shows a schematic block diagram of a water treatment apparatus according to the present invention, wherein the water treatment apparatus 700 comprises: a filter element 702, wherein the filter element 702 is provided with a steganographic counterfeit identification pattern; the acquisition device 704 is used for acquiring the filter element 702 image of the counterfeit identification pattern in a display state; the controller 706 is connected with the acquisition device 704 and is used for decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern; and comparing the product code of the filter element 702 with a pre-stored code database, and sending a verification passing signal when the comparison result is consistent so as to operate the filter element 702.
In a water treatment device of the present invention, including a cartridge 702, a collection device 704 and a controller 706, wherein, the counterfeit identifying pattern is added to the image of the filter element 702 in a steganographic manner, the image of the filter element 702 is collected by the collecting device 704 and sent to the controller 706, and decodes the obtained authentic pattern through a pre-stored decoding table in the controller 706, so as to obtain a product code with product parameter information corresponding to the counterfeit identification pattern, compare the obtained product code of the filter element 702 with the code data pre-stored in the database, and if the product code of the filter element 702 is consistent with the code data in the database, a validation pass signal is fed back to the controller 706 to enable the controller 706 to control the filter element 702 to operate normally, otherwise a validation fail signal is fed back to the controller 706 to enable the controller 706 to control the filter element 702 to stop operating. According to the technical scheme, the counterfeit identification pattern is hidden in the image of the filter element 702, so that the counterfeit identification pattern is not easy to perceive by naked eyes, even if the position of the counterfeit identification pattern is known through other ways, a product contained in the counterfeit identification pattern cannot be analyzed in a code scanning mode, the pattern must be decoded through a corresponding device with a prestored decoding table, and further a imitation threshold is improved, so that the counterfeit of a certain brand of filter element 702 product by an illegal merchant is effectively prevented, in addition, the filter element 702 can work only on the premise that the product coding information of the filter element 702 is consistent with the coding information in a database, further the anti-counterfeiting capability of the filter element 702 is improved, the condition that the filter element 702 which is not authorized can normally work is effectively prevented, and the market share of the device body where the filter element 702 is located is ensured to a certain extent.
In one embodiment of the present invention, the filter element 702 further has a steganographic identification pattern thereon, the identification pattern is continuous with the counterfeit identification pattern, and the filter element 702 image further includes the identification pattern in a display state; the controller 706 is further operable to: comparing the pre-stored identification pattern with the image of the filter element 702, and positioning a first position of the identification pattern in the image of the filter element 702; the authentication pattern is positioned according to the first position.
In this embodiment, the position of the identification pattern is located by a hidden identification pattern contained in the image of the filter element 702 and continuous with the identification pattern, specifically, the controller 706 firstly compares the hidden identification pattern with the image of the filter element 702 by using its internal prestored identification pattern, then locates the hidden identification pattern at a specific position in the image of the filter element 702 according to the comparison condition, and finally locates the specific position of the identification pattern according to the specific position, so as to decode the identification pattern later by using a device with a prestored decoding table, wherein the identification pattern in the technical scheme can be a single number or letter, or a combination of both.
In one embodiment of the invention, the controller 706 is further configured to: and if not, sending out a warning signal to control a warning device of the water treatment device to send out warning information.
In this embodiment, when the controller 706 verifies that the product code of the filter element 702 is not consistent with the code data in the database, the controller 706 sends a signal indicating that the filter element 702 fails to pass the verification to the water treatment apparatus where the filter element 702 is located, and also additionally sends a warning signal to control the warning apparatus of the water treatment apparatus to send warning information for reminding a user that the filter element 702 is not the filter element 702 authorized by the original factory or the original factory, so that the water treatment apparatus cannot normally operate, and further the water treatment apparatus using the filter element 702 cannot realize the original function.
In an embodiment of the present invention, the controller 706 is specifically configured to: the filter core 702 image with the counterfeit identifying pattern in the display state is acquired every preset time interval.
In this embodiment, a period of time is preset in the controller 706, so that an image of the filter cartridge 702 with the counterfeit detection pattern displayed thereon from the collection device 704 is obtained every time the period of time elapses, so as to monitor whether the filter cartridge 702 has been replaced by another brand of filter cartridge 702 by a user after a period of time elapses, and to timely notify the water treatment device in which the filter cartridge 702 is located to control the filter cartridge 702 to stop working, so as to avoid the normal working of the device body being affected by the quality problem of the filter cartridge 702 after a period of time elapses, and also to avoid the filter cartridge 702 manufacturer from tearing skin when the user is in a right-keeping state.
In one embodiment of the invention, the controller 706 is further configured to: the control parameters of the acquisition device 704 are received, and the operation of the acquisition device 704 is controlled according to the control parameters, so that the acquisition device 704 acquires the image of the filter element 702 with the counterfeit identification pattern in the display state.
In this embodiment, the control device controls the acquisition device 704 to acquire the image of the filter cartridge 702 with the counterfeit detection pattern displayed in real time according to the control parameter received from the acquisition device 704, and the image of the filter cartridge 702 containing the counterfeit detection pattern can be acquired in real time, so as to monitor whether the filter cartridge 702 has been replaced by another brand of filter cartridge 702 by the user after a period of time.
In any of the above embodiments, the authentication pattern is a pattern generated by object identifier encoding software; the acquisition device 704 identifies the camera for the object identifier specific image.
In this embodiment, the counterfeit identifying pattern is generated by object identifier encoding software, specifically, the filter core 702 is encoded by the object identifier encoding software, and then the encoding is hidden in the filter core 702 image by special printing software to form the final filter core 702 image with the counterfeit identifying pattern, which can quickly and effectively form the counterfeit identifying pattern hidden in the filter core 702 image, so that the human eye cannot detect the difference between the filter core 702 image with the counterfeit identifying pattern and the common filter core 702 image, and thus users or lawless persons can not replace filter cores 702 of other brands by means of intentionally destroying the counterfeit identifying pattern. Preferably, the software is encoded using OIDs (Object Identifier) that use a hierarchical tree structure to globally unambiguous, uniquely name any type of Object, including physical objects, virtual objects, conforming objects, etc. In addition, the acquisition device 704 is an object identifier dedicated image recognition camera, and only by using the dedicated image recognition camera, effective acquisition of the image of the filter element 702 containing the counterfeit identification pattern can be realized, so that the coded information in the image of the filter element 702 containing the counterfeit identification pattern can be prevented from being stolen.
In an embodiment of the third aspect of the present invention, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method of authenticating a filter cartridge as in any one of the above embodiments, the computer readable storage medium thus comprising all the advantageous effects of the method of authenticating a filter cartridge as in any one of the above embodiments.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 (12)
1. A method of authenticating a filter cartridge for use in a water treatment device, the filter cartridge having a steganographically identifiable pattern, the method comprising:
acquiring a filter element image containing the counterfeit identification pattern in a display state;
decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern;
and comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent.
2. The method of authenticating a filter cartridge of claim 1, wherein the filter cartridge further comprises a steganographic marking pattern, wherein the marking pattern is continuous with the authentication pattern; the filter element image also comprises a mark pattern in a display state;
after the filter element image of the counterfeit identification pattern in the display state is acquired, before the decoding of the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern, the method further includes:
comparing a pre-stored identification pattern with the filter element image, and positioning a first position of the identification pattern in the filter element image;
and positioning the counterfeit identification pattern according to the first position.
3. A method as claimed in claim 2, wherein a warning signal is issued if the determination is negative.
4. A method for authenticating a filter cartridge as recited in claim 1, wherein the step of capturing an image of the filter cartridge with the authentication pattern in a display state comprises:
and acquiring a filter element image of the counterfeit identification pattern in a display state at preset time intervals.
5. The method of authenticating a filter cartridge as recited in claim 1, wherein the authentication pattern is a pattern generated by object identifier encoding software.
6. A water treatment device, comprising:
the filter element is provided with a steganographic counterfeit identification pattern;
the acquisition device is used for acquiring a filter element image containing the counterfeit identification pattern in a display state;
the controller is connected with the acquisition device and is used for decoding the counterfeit identification pattern by using a pre-stored decoding table to obtain a product code corresponding to the counterfeit identification pattern;
and comparing the product code of the filter element with a pre-stored code database, and sending a verification passing signal to enable the filter element to operate when the comparison result is consistent.
7. The water treatment device according to claim 6, wherein the filter element further comprises a steganographic identification pattern, the identification pattern is continuous with the counterfeit identification pattern, and the filter element image further comprises the identification pattern in a display state;
the controller is further configured to: comparing a pre-stored identification pattern with the filter element image, and positioning a first position of the identification pattern in the filter element image;
and positioning the counterfeit identification pattern according to the first position.
8. The water treatment apparatus of claim 7, wherein the controller is further configured to: and if not, sending out a warning signal to control a warning device of the water treatment device to send out warning information.
9. The water treatment apparatus of claim 6, wherein the controller is specifically configured to:
and acquiring a filter element image of the counterfeit identification pattern in a display state at preset time intervals.
10. The water treatment apparatus of claim 6, wherein the controller is further configured to:
and receiving control parameters of the acquisition device, and controlling the acquisition device to operate according to the control parameters so as to enable the acquisition device to acquire the filter element image of the counterfeit identification pattern in a display state.
11. The water treatment device of claim 6, wherein the authentication pattern is a pattern generated by object identifier encoding software; the acquisition device is an image recognition camera special for the object identifier.
12. A computer-readable storage medium, on which a program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.
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