CN114785410A - Accurate identification system based on optical fiber coding - Google Patents
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- CN114785410A CN114785410A CN202210443116.7A CN202210443116A CN114785410A CN 114785410 A CN114785410 A CN 114785410A CN 202210443116 A CN202210443116 A CN 202210443116A CN 114785410 A CN114785410 A CN 114785410A
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Abstract
The invention discloses an accurate identification system based on optical fiber coding, which comprises a data entry unit, a central processing unit, a data storage unit, a data processing unit, a data comparison unit and an optical detection module, wherein the data processing unit is arranged in the accurate identification system based on the optical fiber coding, a category sorting module and a characteristic vector extraction module are arranged in the data processing unit, the category sorting module can be used for rapidly sorting and sorting product data information needing accurate identification, the characteristic vector extraction module is used under each corresponding category to extract the characteristic vector of the corresponding product information, representative words and phrases in the product information are extracted to serve as comparison key points for subsequent accurate identification of the optical fiber coding, so that the accurate identification efficiency of the optical fiber coding is further improved, the integral operation speed of the system is ensured, and the practical application is facilitated.
Description
Technical Field
The invention belongs to the technical field of optical fiber code recognition, and particularly relates to an accurate recognition system based on optical fiber codes.
Background
In the existing life, the optical fiber identification mainly utilizes a third-party medium, namely an electronic tag to identify the optical fiber, the existing domestic market mainly takes Hua as IODN and has a plurality of domestic and foreign standards, the method is mainly characterized in that an electronic tag reader-writer is embedded in an optical fiber distribution panel, the electronic tag is arranged on the optical fiber, and the identification operation of the optical cable and the product is realized by utilizing a light source, in the field of optical fiber communication, an optical fiber code consists of a plurality of optical fiber gratings with different wavelengths, and a light code identification system is an optical detection system for accurately identifying the wavelengths of the optical fiber gratings and is an optical detection system for realizing permanent marking and unique identification of the optical fiber product by utilizing an optical fiber physical coding technology.
In the prior art, in an actual application process, the identification speed is slow due to the fact that optical fiber coded data are huge, most of the interior of the existing optical fiber coding-based accurate identification system is lack of a function of data processing of stored product information, so that when the product information amount stored in the system is large, the interior of the system is easy to operate slowly, and meanwhile, when product information identification is performed by using an optical fiber physical coding technology, the identification efficiency is low, so that the overall working efficiency of the system is reduced, and the actual application is not facilitated.
The invention content is as follows:
the present invention is directed to solving the above problems by providing an accurate identification system based on optical fiber coding, which solves the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
an accurate identification system based on optical fiber coding comprises a data entry unit, a central processing unit, a data storage unit, a data processing unit, a data comparison unit and an optical detection module, wherein the output end of the data entry unit is electrically connected with the input end of the central processing unit, the input ends of the data storage unit and the data comparison unit are both electrically connected with the output end of the central processing unit, the output end of the optical detection module is electrically connected with the input end of the central processing unit, the data processing unit is electrically connected with the data storage unit in a bidirectional mode, and a category sorting module and a feature vector extraction module are arranged inside the data processing unit;
the data entry unit is used for entering product information and optical code word information which need to be used into the precise identification system and transmitting the product information and the optical code word information to the central processing unit;
the data storage unit is used for performing data storage operation on the product information and the optical code word information recorded by the data recording unit and transmitting the product information and the optical code word information to the data processing unit;
the data processing unit is used for receiving the product information and the optical code word information transmitted by the data storage unit, performing category sorting and feature vector extraction operation on the product information and the optical code word information to obtain a category sorting result and a feature vector extraction result, and transmitting the category sorting result and the feature vector extraction result to the data storage unit;
the optical detection module is used for carrying out optical detection operation, receiving optical code label data and transmitting the optical code label data to the central processing unit;
the central processing unit is used for receiving and sending different control instructions in the precise identification system, transmitting product information and optical code word information recorded by the data recording unit, and transmitting optical code label data detected by the optical detection module to the data comparison unit;
the data comparison unit is used for receiving the optical code label data transmitted by the central processing unit, performing data comparison operation on the optical code label data to obtain a data comparison result, and transmitting the data comparison result;
the category sorting module is used for carrying out category sorting operation on the product information and the optical code word information received by the data processing unit to obtain a category sorting result;
and the characteristic vector extraction module is used for respectively extracting the characteristic vectors of the product information and the optical code word information under each category according to the category sorting result obtained by the category sorting module.
Preferably, the output end of the central processing unit is electrically connected to a light source module, and the light source output by the light source module is a narrow-bandwidth light source or a pulse light source.
Preferably, the output end of the data comparison unit is electrically connected with an identification result output unit, and the output end of the identification result output unit is electrically connected with a data transmission unit;
the identification result output unit is used for receiving the data comparison result output by the data comparison unit and transmitting the data comparison result to the data transmission unit;
and the data transmission unit is used for receiving the data comparison result transmitted by the identification result output unit and carrying out transmission operation on the data comparison result.
Preferably, a code word input module and a product information input module are arranged in the data input unit;
the product information input module is used for inputting product information needing to be accurately identified;
and the code word input module is used for inputting corresponding optical code word information according to the product information input by the product information input module.
Preferably, a code word information storage module and a product information storage module are arranged in the data storage unit;
the code word information storage module is used for storing the optical code word information recorded by the data recording unit;
and the product information storage module is used for storing the product information input by the data input unit.
Preferably, an optical decoder, a product category comparison module, a feature vector comparison module and a product information comparison module are arranged in the data comparison unit;
the optical decoder is used for performing optical decoding operation on the optical code label data transmitted by the central processing unit and obtaining an optical decoding result;
the product category comparison module is used for comparing the category of the product with all product category information in the data storage unit according to the optical decoding result obtained by the optical decoder;
the characteristic vector comparison module is used for comparing the characteristic vector of the product with all the characteristic vectors in the data storage unit according to the optical decoding result obtained by the optical decoder;
and the product information comparison module is used for comparing the product information with all the product information in the data storage unit according to the optical decoding result obtained by the optical decoder.
Preferably, the code word input module is an optical encoder, the output result of the optical encoder is an optical code label, and the optical encoder is configured to perform a corresponding optical code label encoding operation according to the product information input by the data input unit, and generate an optical code label corresponding to the product information.
Preferably, the optical encoder is composed of a 1 xW optical splitter, W parallel optical fiber delay lines and a W x 1 optical combiner, wherein W is the number of code word blocks of the optical orthogonal code.
Preferably, the optical decoder has the same structure as the optical encoder, and the delay of the optical decoder delay line is { (l-1-i1) S, (l-1-i2) S, …, (l-1-ij) S, …, (l-1-iw) S }, where 1 represents the code length of the optical orthogonal code, w is the code weight, S is the chip duration, and the delay of the jth optical fiber delay line is ijS.
Preferably, the data transmission unit and an external optical fiber coding identification terminal keep real-time data intercommunication through the internet, and a 4G transmission module, a 5G transmission module and a WiFi transmission module are arranged inside the data transmission unit;
the 4G transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a 4G network mode;
the 5G transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a 5G network mode;
and the WiFi transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a WiFi network mode.
The invention has the beneficial effects that:
according to the invention, the data processing unit is arranged in the accurate identification system based on the optical fiber coding, the category sorting module and the characteristic vector extraction module are arranged in the data processing unit, the category sorting module can be used for rapidly sorting and sorting product data information needing accurate identification, and the characteristic vector extraction module is used under each corresponding category, so that the characteristic vector of the corresponding product information can be extracted, representative words and sentences in the product information can be extracted and used as comparison key points for performing accurate identification of the optical fiber coding subsequently, thereby further improving the accurate identification efficiency of the optical fiber coding, ensuring the overall operation speed of the system and being beneficial to practical application.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic diagram of an overall module of an optical fiber coding-based precise identification system according to the present invention;
FIG. 2 is a schematic diagram illustrating the principle of optical code recognition in an optical fiber encoding-based precise recognition system according to the present invention;
FIG. 3 is a schematic diagram of a data processing unit in the precision identification system based on optical fiber encoding according to the present invention;
FIG. 4 is a schematic diagram of a data storage unit in the precise identification system based on fiber coding according to the present invention;
FIG. 5 is a schematic diagram of a data entry unit in the precision identification system based on fiber coding according to the present invention;
FIG. 6 is a schematic diagram of a data comparison unit in the precision identification system based on fiber coding according to the present invention;
FIG. 7 is a schematic diagram of a data transmission unit in the precision identification system based on fiber coding according to the present invention.
In the figure: 1. a light detection module; 2. an officer light source module; 3. an optical code label.
The specific implementation mode is as follows:
as shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment:
the embodiment is as follows:
an accurate identification system based on optical fiber coding comprises a data entry unit, a central processing unit, a data storage unit, a data processing unit, a data comparison unit and an optical detection module, wherein the output end of the data entry unit is electrically connected with the input end of the central processing unit, the input ends of the data storage unit and the data comparison unit are both electrically connected with the output end of the central processing unit, the output end of the optical detection module is electrically connected with the input end of the central processing unit, the data processing unit is bidirectionally electrically connected with the data storage unit, a category sorting module and a feature vector extraction module are arranged in the data processing unit, the category sorting module can be used for rapidly sorting and sorting product data information needing accurate identification, and the feature vector extraction module is used under each corresponding category, the characteristic vectors of corresponding product information can be extracted, representative words and sentences in the product information are extracted and serve as comparison key points for subsequent accurate optical fiber coding identification, and therefore subsequent rapid identification and operation operations are facilitated;
the data entry unit is used for entering product information and optical code word information which need to be used into the precise identification system, transmitting the product information and the optical code word information to the central processing unit, and performing data entry operation better through the data entry unit;
the data storage unit is used for performing data storage operation on the product information and the optical code word information recorded by the data recording unit, transmitting the product information and the optical code word information to the data processing unit, and facilitating storage of data generated during overall work of a better system through the data storage unit;
the data processing unit is used for receiving the product information and the optical code word information transmitted by the data storage unit, performing category sorting and feature vector extraction operation on the product information and the optical code word information to obtain a category sorting result and a feature vector extraction result, transmitting the category sorting result and the feature vector extraction result to the data storage unit, and facilitating better processing operation on the data information stored in the data storage unit through the data processing unit;
the optical detection module is used for performing optical detection operation, receiving optical code label data and transmitting the optical code label data to the central processing unit, and the optical detection module is convenient for receiving the optical code label better;
the central processing unit is used for receiving and sending different control instructions in the precise identification system, transmitting product information and optical code word information recorded by the data recording unit, transmitting optical code label data detected by the optical detection module to the data comparison unit, and facilitating better completion of control and processing operation on the whole system by arranging the central processing unit;
the data comparison unit is used for receiving the optical code label data transmitted by the central processing unit, performing data comparison operation on the optical code label data to obtain a data comparison result, and transmitting the data comparison result;
the class sorting module is used for carrying out class sorting operation on the product information and the optical code word information received by the data processing unit to obtain a class sorting result, and the class sorting module is utilized to facilitate better sorting of the stored data according to classes;
the feature vector extraction module is used for respectively carrying out feature vector extraction operation on the product information and the optical code word information under each category according to the category sorting result obtained by the category sorting module, and through the feature vector extraction module, the feature vector in the data information can be better extracted conveniently, and the specific operation is as follows:
1. counting the product information stored in the data storage unit and the corresponding optical code word information, and counting the total number N of information data in a sample;
2. counting the occurrence frequency A of each word in each product information and the corresponding optical code word information;
3. and sequencing each word in the product information and the corresponding optical code word information from small to large according to the statistical data frequency and the Arabic number sequence, and extracting the word with higher frequency at the tail as a characteristic vector of the product information and the corresponding optical code word information.
The output end of the central processing unit is electrically connected with a light source module, and a light source output by the light source module is a narrow-bandwidth light source or a pulse light source, so that the light source used for identifying product information can be better emitted.
The output end of the data comparison unit is electrically connected with an identification result output unit, and the output end of the identification result output unit is electrically connected with a data transmission unit, so that the data transmission effect among the data comparison unit, the identification result output unit and the data transmission unit can be better ensured;
the identification result output unit is used for receiving the data comparison result output by the data comparison unit and transmitting the data comparison result to the data transmission unit;
and the data transmission unit is used for receiving the data comparison result transmitted by the identification result output unit and transmitting the data comparison result.
The data entry unit is internally provided with a code word entry module and a product information entry module, so that the integral structure of the data entry unit can be better formed;
the product information input module is used for inputting product information needing to be accurately identified;
and the code word input module is used for inputting corresponding optical code word information according to the product information input by the product information input module.
The data storage unit is internally provided with a code word information storage module and a product information storage module, and the code word information storage module and the product information storage module are used for better forming a data storage functional module so as to finish corresponding data storage operation;
the code word information storage module is used for storing the optical code word information recorded by the data recording unit;
and the product information storage module is used for storing the product information input by the data input unit.
The data comparison unit is formed by the optical decoder, the product type comparison module, the characteristic vector comparison module and the product information comparison module, so that corresponding operations of data comparison can be completed in a better matching manner;
the optical decoder is used for performing optical decoding operation on the optical code label data transmitted by the central processing unit and obtaining an optical decoding result;
the product category comparison module is used for comparing the category of the product with all product category information in the data storage unit according to the optical decoding result obtained by the optical decoder;
the characteristic vector comparison module is used for comparing the characteristic vector of the product with all the characteristic vectors in the data storage unit according to the optical decoding result obtained by the optical decoder;
and the product information comparison module is used for comparing the product information with all the product information in the data storage unit according to the optical decoding result obtained by the optical decoder.
The code word input module is an optical encoder, the output result of the optical encoder is an optical code label, the optical encoder is used for carrying out corresponding optical code label encoding operation according to the product information input by the data input unit, generating an optical code label corresponding to the product information, and the optical code label data matched with the product information can be input through a further guarantee system of the optical encoder.
The optical encoder is composed of a 1 xW optical splitter, W parallel optical fiber delay lines and a W x 1 optical combiner, wherein W is the number of code word blocks of the optical orthogonal code, and the optical encoder is convenient to use when a system is better formed.
The structure of the optical decoder is identical to the optical encoder, and the delay of the delay line of the optical decoder is { (l-1-i1) S, (l-1-i2) S, …, (l-1-ij) S, …, (l-1-iw) S }, wherein 1 represents the code length of the optical orthogonal code, w is the code weight, S is the chip time width, and the delay of the jth optical fiber delay line is ijS, the optical delay generally adopts an integrated optical waveguide and an optical fiber, and when the chip frequency is not high, such as less than 10Gb/S, that is, the chip time width is greater than 50ps, and the length of the delay optical fiber is greater than 1cm, the optical fiber is used as a delay device, and when the chip rate is high, the integrated optical waveguide is better used.
The data transmission unit and an external optical fiber coding identification terminal keep real-time data intercommunication through the Internet, a 4G transmission module, a 5G transmission module and a WiFi transmission module are arranged inside the data transmission unit, and the data transmission unit with various data transmission functions is formed by utilizing different data transmission modes, so that the overall data transmission stability of the system can be ensured;
the 4G transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a 4G network mode;
the 5G transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a 5G network mode;
and the WiFi transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a WiFi network mode.
Specifically, the method comprises the following steps: in the actual application process, firstly, product information and optical code word information which need to be used are respectively input into the accurate identification system through a product information input module and a code word input module in a data input unit, meanwhile, corresponding coding operation is completed through the code word input module, namely an optical encoder, so that an optical code label matched with the product information is generated, the product information and the optical code word information are transmitted to a central processing unit, the central processing unit transmits the information to a data storage unit after receiving the input product information and the optical code word information, and the product information and the optical code word information are respectively stored through a code word information storage module and a product information storage module in the data storage unit;
carry out the time of saving product information and optical code word information through the data storage unit, transmit product information and optical code word information to data processing unit, through the inside classification arrangement module of data processing unit, carry out the classification arrangement operation to product information and optical code word information, and obtain the classification arrangement result, transmit the classification arrangement result to the eigenvector extraction module simultaneously, carry out the eigenvector through the eigenvector extraction module respectively to product information and optical code word information under every classification and draw the operation, concrete operation is: counting the product information stored in the data storage unit and the corresponding optical code word information, and counting the total number N of information data in a sample; counting the occurrence frequency A of each word in each product information and the corresponding optical code word information; according to the statistical data frequency and the Arabic number sequence, sequencing the product information and each word in the corresponding optical code word information from small to large, and extracting the word with higher frequency at the tail as a feature vector of the product information and the corresponding optical code word information;
after the data processing is finished, the processing result is transmitted to the data storage unit for storing again through the data processing unit, meanwhile, the light source module is used for emitting a light source for identifying the optical code label, the light detection module is used for receiving the light source with the optical code label information reflected from the optical code label, meanwhile, the detected light source information is transmitted to the central processing unit, the detected light source information is transmitted to the data comparison unit through the central processing unit, the detected light source information is decoded through the optical decoder in the data comparison unit to obtain corresponding category information and feature vector information, the category information and the feature vector information are respectively compared with the information stored in the data storage unit, the feature vector information replaces the traditional product information, and the information storage amount required to be mobilized in the identification process is reduced, therefore, the system operation load is reduced, the system operation efficiency is ensured, the identification efficiency is improved, the practical application is facilitated, and meanwhile, the comparison operation of all product information in the data storage unit can be completed through the product information comparison module, so that the accuracy of the system identification result is further ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An accurate identification system based on optical fiber coding is characterized by comprising a data entry unit, a central processing unit, a data storage unit, a data processing unit, a data comparison unit and an optical detection module, wherein the output end of the data entry unit is electrically connected with the input end of the central processing unit, the input ends of the data storage unit and the data comparison unit are both electrically connected with the output end of the central processing unit, the output end of the optical detection module is electrically connected with the input end of the central processing unit, the data processing unit is electrically connected with the data storage unit in a bidirectional mode, and a category sorting module and a feature vector extraction module are arranged inside the data processing unit;
the data entry unit is used for entering product information and optical code word information which need to be used into the precise identification system and transmitting the product information and the optical code word information to the central processing unit;
the data storage unit is used for performing data storage operation on the product information and the optical code word information recorded by the data recording unit and transmitting the product information and the optical code word information to the data processing unit;
the data processing unit is used for receiving the product information and the optical code word information transmitted by the data storage unit, performing category sorting and feature vector extraction operation on the product information and the optical code word information to obtain a category sorting result and a feature vector extraction result, and transmitting the category sorting result and the feature vector extraction result to the data storage unit;
the optical detection module is used for performing optical detection operation, receiving optical code label data and transmitting the optical code label data to the central processing unit;
the central processing unit is used for receiving and sending different control instructions in the precise identification system, transmitting product information and optical code word information recorded by the data recording unit, and transmitting optical code label data detected by the optical detection module to the data comparison unit;
the data comparison unit is used for receiving the optical code label data transmitted by the central processing unit, performing data comparison operation on the optical code label data to obtain a data comparison result, and transmitting the data comparison result;
the category sorting module is used for carrying out category sorting operation on the product information and the optical code word information received by the data processing unit to obtain a category sorting result;
and the characteristic vector extraction module is used for respectively carrying out characteristic vector extraction operation on the product information and the optical code word information under each category according to the category sorting result obtained by the category sorting module.
2. The fiber coding-based precise identification system according to claim 1, wherein the output end of the central processing unit is electrically connected to a light source module, and the light source module outputs a light source that is a narrow bandwidth light source or a pulse light source.
3. The accurate identification system based on optical fiber coding of claim 1, wherein an output end of the data comparison unit is electrically connected with an identification result output unit, and an output end of the identification result output unit is electrically connected with a data transmission unit;
the identification result output unit is used for receiving the data comparison result output by the data comparison unit and transmitting the data comparison result to the data transmission unit;
and the data transmission unit is used for receiving the data comparison result transmitted by the identification result output unit and carrying out transmission operation on the data comparison result.
4. The accurate identification system based on the optical fiber coding as claimed in claim 1, wherein a code word entry module and a product information entry module are arranged inside the data entry unit;
the product information input module is used for inputting product information needing to be accurately identified;
and the code word input module is used for inputting corresponding optical code word information according to the product information input by the product information input module.
5. The accurate identification system based on optical fiber coding according to claim 1, wherein a code word information storage module and a product information storage module are arranged inside the data storage unit;
the code word information storage module is used for storing the optical code word information recorded by the data recording unit;
and the product information storage module is used for storing the product information input by the data input unit.
6. The accurate identification system based on the optical fiber coding as claimed in claim 4, wherein the data comparison unit is internally provided with an optical decoder, a product category comparison module, a feature vector comparison module and a product information comparison module;
the optical decoder is used for performing optical decoding operation on the optical code label data transmitted by the central processing unit and obtaining an optical decoding result;
the product type comparison module is used for comparing the type of the product with all product type information in the data storage unit according to the optical decoding result obtained by the optical decoder;
the characteristic vector comparison module is used for comparing the characteristic vector of the product with all the characteristic vectors in the data storage unit according to the optical decoding result obtained by the optical decoder;
and the product information comparison module is used for comparing the product information with all the product information in the data storage unit according to the optical decoding result obtained by the optical decoder.
7. The accurate identification system based on optical fiber coding according to claim 6, wherein the code word entry module is an optical encoder, an output result of the optical encoder is an optical code label, and the optical encoder is configured to perform a corresponding optical code label coding operation according to the product information entered by the data entry unit, so as to generate an optical code label corresponding to the product information.
8. The accurate identification system based on optical fiber coding of claim 7, wherein the optical encoder is composed of a 1 xW optical splitter, W parallel optical fiber delay lines and a Wx1 optical splitter, wherein W is the number of code word blocks of the optical orthogonal code.
9. The system of claim 7, wherein the optical decoder has the same structure as the optical encoder, and the delay of the delay line of the optical decoder is { (l-1-i1) S, (l-1-i2) S, …, (l-1-ij) S, …, (l-1-iw) S }, where 1 represents the code length of the optical orthogonal code, w is the code weight, S is the chip width, and the delay of the jth fiber delay line is ijS.
10. The accurate identification system based on the optical fiber codes as claimed in claim 3, wherein the data transmission unit and the external optical fiber code identification terminal keep real-time data intercommunication through the internet, and a 4G transmission module, a 5G transmission module and a WiFi transmission module are arranged inside the data transmission unit;
the 4G transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a 4G network mode;
the 5G transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a 5G network mode;
and the WiFi transmission module is used for transmitting the data comparison result transmitted by the identification result output unit in a WiFi network mode.
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| CN115499065A (en) * | 2022-09-29 | 2022-12-20 | 中山水木光华电子信息科技有限公司 | Optically variable optical fiber coding device, system and identification method |
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| US20120117114A1 (en) * | 2010-11-05 | 2012-05-10 | Harold Theodore Goranson | System and method for scalable semantic stream processing |
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| CN108171276A (en) * | 2018-01-17 | 2018-06-15 | 百度在线网络技术（北京）有限公司 | For generating the method and apparatus of information |
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