CN112784125A - Mode identification method and device for input information - Google Patents
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Abstract
The invention discloses a mode recognition method and a device for input information, which extracts the same characters from a character string to be checked, and codes according to the interval numerical value sequencing sequence of the same characters to obtain an interval coding sequence of the same characters; sequencing the specific character interval numerical values in sequence, and coding according to the specific character interval numerical value sequencing sequence to obtain a specific character interval numerical coding sequence; the method comprises the steps of calculating the number of characters spaced between the same characters to obtain the interval numerical value of the same characters and calculating the number of characters spaced between two specific characters to obtain the interval numerical value of the specific characters, respectively encoding to form an encoding sequence, intercepting the encoding segment and comparing the encoding segment with the encoding segment corresponding to a mode, and identifying the mode corresponding to the input information; the mode is judged jointly through the same character interval coding sequence and the specific character interval number coding sequence, the positioning is more accurate, and the misjudgment condition can not occur.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a pattern recognition method and device for input information.
Background
When an information system performs business logic processing such as classification, statistics, assignment, routing, and the like on input information, it is first necessary to identify patterns that are satisfied by the input information. At present, the input information is mostly identified by a pattern matching method, specifically, the input information is matched with a plurality of reference patterns according to a certain sequence, and the reference pattern successfully matched is selected as the pattern. In this process, since it is necessary to sequentially match a plurality of reference patterns, there is a problem that the computational resource consumption is large. Because the character string to be detected is complex, certain operation resources are consumed even when a part of the fragments are intercepted to search the mode, and certain mode judgment errors are easy to occur when a plurality of modes have the same character fragment.
Disclosure of Invention
The present invention is directed to a method and an apparatus for pattern recognition of input information, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a pattern recognition method of input information comprises the following steps:
s1, extracting the same characters from the character string to be checked, calculating the number of the characters spaced among the same characters to obtain the same character interval numerical values, sequencing the same character interval numerical values in sequence, and coding according to the same character interval numerical value sequencing sequence to obtain the same character interval coding sequence;
s2, extracting 2-15 preselected specific characters from the character string to be checked, calculating the number of the characters spaced between the two specific characters to obtain specific character interval numerical values, sequencing the specific character interval numerical values in sequence, and coding according to the specific character interval numerical value sequencing sequence to obtain a specific character interval number coding sequence;
s3, cutting out partial fragments of the obtained same character interval code sequence and the obtained specific character interval number code sequence;
s4, comparing the cut parts of the same character interval code sequence and the specific character interval code sequence with the same character interval code sequence and the specific character interval code sequence to judge the matched code sequence;
s5, searching the preset mode to which the matched coding sequence belongs, and obtaining the mode to which the character string to be searched belongs.
As further preferable in the present technical solution: each pattern is set with the same character interval code sequence and a specific character interval number code sequence.
As further preferable in the present technical solution: the system comprises a specific character recognition module, a same character recognition module, a character query module, a reference pattern database, a pattern same character recognition module, a pattern specific character recognition module, a storage module and a pattern recognition module;
the specific character recognition module is used for recognizing, extracting, coding and cutting out partial fragments of the pre-specified specific characters in the character string to be searched;
the same character recognition module is used for recognizing, extracting, coding and cutting out partial fragments of the same characters in the character string to be searched;
the character query module is used for searching specific characters and the same characters;
the reference pattern database is used for storing various patterns and facilitating the query of the patterns of input information;
the mode-identical character recognition module is used for recognizing the mode corresponding to the character string to be checked through the identical character coding sequence;
the mode specific character recognition module is used for recognizing a mode corresponding to the character string to be checked through a specific character coding sequence;
the storage module is used for storing the comparison record of the current coding sequence;
and the pattern recognition module is used for recognizing the pattern to which the matched coding sequence belongs.
As further preferable in the present technical solution: the specific character recognition module and the same character recognition module are both connected with the character query module, the reference pattern database is respectively connected with the pattern same character recognition module and the pattern specific character recognition module, the pattern same character recognition module and the pattern specific character recognition module are both connected with the storage module, the storage module is connected with the character query module, and the character query module is connected with the pattern recognition module.
As further preferable in the present technical solution: the specific character recognition module comprises a specific character extraction unit, a specific character interval acquisition unit, a specific character interval coding unit and a first sequencing unit, wherein the specific character extraction unit is connected with the specific character interval acquisition unit, and the specific character interval acquisition unit is respectively connected with the specific character interval coding unit and the first sequencing unit;
the specific character extracting unit is used for extracting a preselected specific character in the character string to be checked;
the specific character interval acquisition unit is used for acquiring the number of interval characters between two specific characters;
the specific character interval coding unit is used for coding according to a specific character interval to form a coding sequence;
the first ordering unit is used for ordering a plurality of specific character intervals.
As further preferable in the present technical solution: the same character recognition module comprises a same character extraction unit, a same character interval acquisition unit, a same character interval coding unit and a second sorting unit, wherein the same character extraction unit is connected with the same character interval acquisition unit, and the same character interval acquisition unit is respectively connected with the same character interval coding unit and the second sorting unit;
the same character extracting unit is used for extracting the same characters in the character string to be checked;
the same character interval acquisition unit is used for acquiring the number of interval characters between two same characters;
the same character interval coding unit is used for coding according to the same character interval to form a coding sequence;
the second sorting unit is used for sorting a plurality of same character intervals.
As further preferable in the present technical solution: the same character interval coding unit is connected with a same character interval coding segment cutting unit;
and the same character interval coding segment cutting unit is used for cutting out partial sequence segments in the same character interval coding sequence.
As further preferable in the present technical solution: the specific character interval coding unit is connected with a specific character interval coding segment cutting unit;
and the specific character interval coding segment cutting unit is used for cutting out partial sequence segments in the specific character interval coding sequence.
As further preferable in the present technical solution: the mode-identical character recognition module comprises a mode-identical character interval coding sequence group, a mode-identical character interval coding query unit and a comparison unit, wherein the mode-identical character interval coding sequence group is connected with the mode-identical character interval coding query unit, and the mode-identical character interval coding query unit is connected with the first comparison unit;
the character interval coding sequence group with the same mode comprises a plurality of modes, and each mode corresponds to one character interval coding sequence with the same mode;
the mode-identical character interval code inquiring unit is used for inquiring the mode-identical character interval code sequence which is identical to the cut code sequence;
and the comparison unit is used for comparing the searched character interval coding sequence with the same mode with the cut coding sequence and judging whether the searched character interval coding sequence is matched with the cut coding sequence.
As further preferable in the present technical solution: the mode specific character recognition module comprises a mode specific character interval coding sequence group, a mode specific character interval coding query unit and a second comparison unit;
the mode specific character interval coding sequence group comprises a plurality of modes, and each mode corresponds to one mode specific character interval coding sequence;
the mode specific character interval code inquiring unit is used for inquiring the mode specific character interval code which is the same as the cut coding sequence;
and the second comparison unit is used for comparing the searched pattern specific character interval coding sequence with the cut coding sequence and judging whether the searched pattern specific character interval coding sequence is matched with the cut coding sequence.
Compared with the prior art, the invention has the beneficial effects that: the method comprises the steps of calculating the number of characters spaced between the same characters to obtain the interval numerical value of the same characters and calculating the number of characters spaced between two specific characters to obtain the interval numerical value of the specific characters, respectively encoding to form an encoding sequence, intercepting the encoding segment and comparing the encoding segment with the encoding segment corresponding to a mode, and identifying the mode corresponding to the input information; the mode is judged jointly through the same character interval coding sequence and the specific character interval number coding sequence, the positioning is more accurate, and the misjudgment condition can not occur.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a block diagram of a specific character recognition module according to the present invention;
FIG. 3 is a block diagram of the same character recognition module according to the present invention;
FIG. 4 is a block diagram of a same-mode character recognition module according to the present invention;
FIG. 5 is a block diagram of a mode specific character recognition module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, the present invention provides a technical solution: a pattern recognition method of input information comprises the following steps:
s1, extracting the same characters from the character string to be checked, calculating the number of the characters spaced among the same characters to obtain the same character interval numerical values, sequencing the same character interval numerical values in sequence, and coding according to the same character interval numerical value sequencing sequence to obtain the same character interval coding sequence;
s2, extracting 3 preselected specific characters from the character string to be checked, calculating the number of the characters spaced between the two specific characters to obtain specific character interval numerical values, sequencing the specific character interval numerical values in sequence, and coding according to the specific character interval numerical value sequencing sequence to obtain a specific character interval number coding sequence;
s3, cutting out partial fragments of the obtained same character interval code sequence and the obtained specific character interval number code sequence;
s4, comparing the cut parts of the same character interval code sequence and the specific character interval code sequence with the same character interval code sequence in the mode and the specific character interval code sequence in the mode to judge the matched code sequence, wherein the same character interval code sequence and the specific character interval code sequence are set in each mode;
s5, searching the preset mode to which the matched coding sequence belongs, and obtaining the mode to which the character string to be searched belongs.
In addition, the invention also provides a mode identification device of input information, which comprises a specific character identification module, a same character identification module, a character query module, a reference mode database, a mode same character identification module, a mode specific character identification module, a storage module and a mode identification module;
the specific character recognition module is used for recognizing, extracting, coding and cutting out partial fragments of the pre-specified specific characters in the character string to be searched;
the same character recognition module is used for recognizing, extracting, coding and cutting out partial fragments of the same characters in the character string to be searched;
the character query module is used for searching specific characters and the same characters;
the reference pattern database is used for storing various patterns and facilitating the query of the patterns of input information;
the mode-identical character recognition module is used for recognizing the mode corresponding to the character string to be checked through the identical character coding sequence;
the mode specific character recognition module is used for recognizing a mode corresponding to the character string to be checked through a specific character coding sequence;
the storage module is used for storing the comparison record of the current coding sequence;
and the pattern recognition module is used for recognizing the pattern to which the matched coding sequence belongs.
Specifically, the specific character recognition module and the same character recognition module are both connected with the character query module, the reference pattern database is respectively connected with the pattern same character recognition module and the pattern specific character recognition module, the pattern same character recognition module and the pattern specific character recognition module are both connected with the storage module, the storage module is connected with the character query module, and the character query module is connected with the pattern recognition module.
Specifically, the specific character recognition module comprises a specific character extraction unit, a specific character interval acquisition unit, a specific character interval coding unit and a first sequencing unit, wherein the specific character extraction unit is connected with the specific character interval acquisition unit, and the specific character interval acquisition unit is respectively connected with the specific character interval coding unit and the first sequencing unit;
the specific character extracting unit is used for extracting a preselected specific character in the character string to be checked;
the specific character interval acquisition unit is used for acquiring the number of interval characters between two specific characters;
the specific character interval coding unit is used for coding according to a specific character interval to form a coding sequence;
the first ordering unit is used for ordering a plurality of specific character intervals.
Specifically, the same character recognition module comprises a same character extraction unit, a same character interval acquisition unit, a same character interval coding unit and a second sorting unit, wherein the same character extraction unit is connected with the same character interval acquisition unit, and the same character interval acquisition unit is respectively connected with the same character interval coding unit and the second sorting unit;
the same character extracting unit is used for extracting the same characters in the character string to be checked;
the same character interval acquisition unit is used for acquiring the number of interval characters between two same characters;
the same character interval coding unit is used for coding according to the same character interval to form a coding sequence;
the second sorting unit is used for sorting a plurality of same character intervals.
Specifically, the same character interval coding unit is connected with a same character interval coding segment cutting unit;
and the same character interval coding segment cutting unit is used for cutting out partial sequence segments in the same character interval coding sequence.
Specifically, the specific character interval coding unit is connected with a specific character interval coding segment cutting unit;
and the specific character interval coding segment cutting unit is used for cutting out partial sequence segments in the specific character interval coding sequence.
Specifically, the mode-identical character recognition module comprises a mode-identical character interval coding sequence group, a mode-identical character interval coding query unit and a comparison unit, wherein the mode-identical character interval coding sequence group is connected with the mode-identical character interval coding query unit, and the mode-identical character interval coding query unit is connected with the first comparison unit;
the character interval coding sequence group with the same mode comprises a plurality of modes, and each mode corresponds to one character interval coding sequence with the same mode;
the mode-identical character interval code inquiring unit is used for inquiring the mode-identical character interval code sequence which is identical to the cut code sequence;
and the comparison unit is used for comparing the searched character interval coding sequence with the same mode with the cut coding sequence and judging whether the searched character interval coding sequence is matched with the cut coding sequence.
Specifically, the mode specific character recognition module includes a mode specific character interval coding sequence group, a mode specific character interval coding query unit and a second comparison unit;
the mode specific character interval coding sequence group comprises a plurality of modes, and each mode corresponds to one mode specific character interval coding sequence;
the mode specific character interval code inquiring unit is used for inquiring the mode specific character interval code which is the same as the cut coding sequence;
and the second comparison unit is used for comparing the searched pattern specific character interval coding sequence with the cut coding sequence and judging whether the searched pattern specific character interval coding sequence is matched with the cut coding sequence.
When the character spacing coding device is used, the same characters are extracted from a character string to be checked through the same character extracting unit, the number of characters spaced among the same characters is calculated through the same character spacing obtaining unit to obtain the same character spacing numerical values, the same character spacing numerical values are sequentially sequenced through the second sequencing unit, and the same character spacing coding unit codes according to the same character spacing numerical value sequencing sequence to obtain the same character spacing coding sequence; extracting 2-15 preselected specific characters from a character string to be checked through a specific character extraction unit, calculating the number of characters spaced between two specific characters through a specific character interval acquisition unit to obtain a specific character interval numerical value, sequentially sequencing the specific character interval numerical value through a first sequencing unit, and coding through a specific character interval coding unit according to a specific character interval numerical value sequencing sequence to obtain a specific character interval number coding sequence; respectively cutting the obtained same character interval coding sequence and the obtained specific character interval number coding sequence into partial segments by a same character interval coding segment cutting unit and a specific character interval coding segment cutting unit; comparing partial segments of the cut coding sequences with the same character interval coding sequences and the specific character interval number coding sequences with the mode same character interval coding sequences and the mode specific character interval coding sequences through a character query module, and judging matched coding sequences; searching the preset mode to which the matched coding sequence belongs, and identifying the mode to which the character string to be searched belongs through a mode identification module.
Example two
A pattern recognition method of input information comprises the following steps:
s1, extracting the same characters from the character string to be checked, calculating the number of the characters spaced among the same characters to obtain the same character interval numerical values, sequencing the same character interval numerical values in sequence, and coding according to the same character interval numerical value sequencing sequence to obtain the same character interval coding sequence;
s2, extracting 2 preselected specific characters from the character string to be checked, calculating the number of the characters spaced between the two specific characters to obtain a specific character interval numerical value, sequencing the specific character interval numerical value in sequence, and coding according to the specific character interval numerical value sequencing sequence to obtain a specific character interval number coding sequence;
s3, cutting out partial fragments of the obtained same character interval code sequence and the obtained specific character interval number code sequence;
s4, comparing the cut parts of the same character interval code sequence and the specific character interval code sequence with the same character interval code sequence in the mode and the specific character interval code sequence in the mode to judge the matched code sequence, wherein the same character interval code sequence and the specific character interval code sequence are set in each mode;
s5, searching the preset mode to which the matched coding sequence belongs, and obtaining the mode to which the character string to be searched belongs.
EXAMPLE III
A pattern recognition method of input information comprises the following steps:
s1, extracting the same characters from the character string to be checked, calculating the number of the characters spaced among the same characters to obtain the same character interval numerical values, sequencing the same character interval numerical values in sequence, and coding according to the same character interval numerical value sequencing sequence to obtain the same character interval coding sequence;
s2, extracting 15 preselected specific characters from the character string to be checked, calculating the number of the characters spaced between the two specific characters to obtain specific character interval numerical values, sequencing the specific character interval numerical values in sequence, and coding according to the specific character interval numerical value sequencing sequence to obtain a specific character interval number coding sequence;
s3, cutting out partial fragments of the obtained same character interval code sequence and the obtained specific character interval number code sequence;
s4, comparing the cut parts of the same character interval code sequence and the specific character interval code sequence with the same character interval code sequence in the mode and the specific character interval code sequence in the mode to judge the matched code sequence, wherein the same character interval code sequence and the specific character interval code sequence are set in each mode;
s5, searching the preset mode to which the matched coding sequence belongs, and obtaining the mode to which the character string to be searched belongs.
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. A pattern recognition method for input information, comprising the steps of:
s1, extracting the same characters from the character string to be checked, calculating the number of the characters spaced among the same characters to obtain the same character interval numerical values, sequencing the same character interval numerical values in sequence, and coding according to the same character interval numerical value sequencing sequence to obtain the same character interval coding sequence;
s2, extracting 2-15 preselected specific characters from the character string to be checked, calculating the number of the characters spaced between the two specific characters to obtain specific character interval numerical values, sequencing the specific character interval numerical values in sequence, and coding according to the specific character interval numerical value sequencing sequence to obtain a specific character interval number coding sequence;
s3, cutting out partial fragments of the obtained same character interval code sequence and the obtained specific character interval number code sequence;
s4, comparing the cut parts of the same character interval code sequence and the specific character interval code sequence with the same character interval code sequence and the specific character interval code sequence to judge the matched code sequence;
s5, searching the preset mode to which the matched coding sequence belongs, and obtaining the mode to which the character string to be searched belongs.
2. The method of claim 1, wherein the pattern recognition method comprises: each pattern is set with the same character interval code sequence and a specific character interval number code sequence.
3. An apparatus for pattern recognition of input information, characterized by: the system comprises a specific character recognition module, a same character recognition module, a character query module, a reference pattern database, a pattern same character recognition module, a pattern specific character recognition module, a storage module and a pattern recognition module;
the specific character recognition module is used for recognizing, extracting, coding and cutting out partial fragments of the pre-specified specific characters in the character string to be searched;
the same character recognition module is used for recognizing, extracting, coding and cutting out partial fragments of the same characters in the character string to be searched;
the character query module is used for searching specific characters and the same characters;
the reference pattern database is used for storing various patterns and facilitating the query of the patterns of input information;
the mode-identical character recognition module is used for recognizing the mode corresponding to the character string to be checked through the identical character coding sequence;
the mode specific character recognition module is used for recognizing a mode corresponding to the character string to be checked through a specific character coding sequence;
the storage module is used for storing the comparison record of the current coding sequence;
and the pattern recognition module is used for recognizing the pattern to which the matched coding sequence belongs.
4. A pattern recognition apparatus for inputting information according to claim 3, wherein: the specific character recognition module and the same character recognition module are both connected with the character query module, the reference pattern database is respectively connected with the pattern same character recognition module and the pattern specific character recognition module, the pattern same character recognition module and the pattern specific character recognition module are both connected with the storage module, the storage module is connected with the character query module, and the character query module is connected with the pattern recognition module.
5. The apparatus for pattern recognition of input information according to claim 4, wherein: the specific character recognition module comprises a specific character extraction unit, a specific character interval acquisition unit, a specific character interval coding unit and a first sequencing unit, wherein the specific character extraction unit is connected with the specific character interval acquisition unit, and the specific character interval acquisition unit is respectively connected with the specific character interval coding unit and the first sequencing unit;
the specific character extracting unit is used for extracting a preselected specific character in the character string to be checked;
the specific character interval acquisition unit is used for acquiring the number of interval characters between two specific characters;
the specific character interval coding unit is used for coding according to a specific character interval to form a coding sequence;
the first ordering unit is used for ordering a plurality of specific character intervals.
6. The apparatus for pattern recognition of input information according to claim 4, wherein: the same character recognition module comprises a same character extraction unit, a same character interval acquisition unit, a same character interval coding unit and a second sorting unit, wherein the same character extraction unit is connected with the same character interval acquisition unit, and the same character interval acquisition unit is respectively connected with the same character interval coding unit and the second sorting unit;
the same character extracting unit is used for extracting the same characters in the character string to be checked;
the same character interval acquisition unit is used for acquiring the number of interval characters between two same characters;
the same character interval coding unit is used for coding according to the same character interval to form a coding sequence;
the second sorting unit is used for sorting a plurality of same character intervals.
7. The apparatus for pattern recognition of input information according to claim 6, wherein: the same character interval coding unit is connected with a same character interval coding segment cutting unit;
and the same character interval coding segment cutting unit is used for cutting out partial sequence segments in the same character interval coding sequence.
8. The apparatus for pattern recognition of input information according to claim 5, wherein: the specific character interval coding unit is connected with a specific character interval coding segment cutting unit;
and the specific character interval coding segment cutting unit is used for cutting out partial sequence segments in the specific character interval coding sequence.
9. The apparatus for pattern recognition of input information according to claim 4, wherein: the mode-identical character recognition module comprises a mode-identical character interval coding sequence group, a mode-identical character interval coding query unit and a comparison unit, wherein the mode-identical character interval coding sequence group is connected with the mode-identical character interval coding query unit, and the mode-identical character interval coding query unit is connected with the first comparison unit;
the character interval coding sequence group with the same mode comprises a plurality of modes, and each mode corresponds to one character interval coding sequence with the same mode;
the mode-identical character interval code inquiring unit is used for inquiring the mode-identical character interval code sequence which is identical to the cut code sequence;
and the comparison unit is used for comparing the searched character interval coding sequence with the same mode with the cut coding sequence and judging whether the searched character interval coding sequence is matched with the cut coding sequence.
10. The apparatus for pattern recognition of input information according to claim 4, wherein: the mode specific character recognition module comprises a mode specific character interval coding sequence group, a mode specific character interval coding query unit and a second comparison unit;
the mode specific character interval coding sequence group comprises a plurality of modes, and each mode corresponds to one mode specific character interval coding sequence;
the mode specific character interval code inquiring unit is used for inquiring the mode specific character interval code which is the same as the cut coding sequence;
and the second comparison unit is used for comparing the searched pattern specific character interval coding sequence with the cut coding sequence and judging whether the searched pattern specific character interval coding sequence is matched with the cut coding sequence.
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