CN115509374A - Input method, input device, electronic equipment and storage medium - Google Patents
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Abstract
The invention provides an input method, an input device, electronic equipment and a storage medium, wherein the method comprises the following steps: responding to a back deletion operation, and determining an error correction combination corresponding to the back deletion operation, wherein the error correction combination comprises a deletion character string and a residual character string; determining and displaying a complete character string corresponding to the error correction combination based on a corresponding relation between a candidate error correction combination and a candidate complete character string, wherein the corresponding relation is determined based on historical deletion operation aiming at the character string and input operation after the historical deletion operation; in response to a selected operation on the completion string, updating a string input based on the completion string. The method, the device, the electronic equipment and the storage medium effectively capture the scene needing the input method to carry out the completion prediction, avoid the invalid calculation under the normal input scene and reduce the interaction cost of the user input; also, the effectiveness of the auxiliary input can be improved.
Description
Technical Field
The present invention relates to the field of input methods, and in particular, to an input method, an input device, an electronic apparatus, and a storage medium.
Background
With the continuous development of information technology, various intelligent terminals are increasingly popularized in life and work of people. The input method is used as an interactive entrance between a user and the intelligent terminal, and the characteristics of convenience, high efficiency, high accuracy and the like are always pursued by the user.
In the prior art, key input is one of the most important input modes in the input method technology, and because the key space is limited when a user inputs the key, and screen interaction cannot achieve key boundary feedback and pressing feedback common to physical keys, a large number of interaction mistaken touch situations of multiple pressing, missing pressing and wrong pressing exist in the input process of the user.
Generally, when an interaction error touch condition occurs, a user needs to delete a character string for re-input, the input interaction cost is obviously increased, and the interaction efficiency is low.
Disclosure of Invention
The invention provides an input method, an input device, electronic equipment and a storage medium, which are used for solving the defects that when an interaction error touch condition occurs in the prior art, a user needs to delete a character string for inputting again, the input interaction cost is obviously increased, and the interaction efficiency is low.
The invention provides an input method, which comprises the following steps:
responding to a back deletion operation, and determining an error correction combination corresponding to the back deletion operation, wherein the error correction combination comprises a deleted character string and a residual character string;
determining and displaying a complete character string corresponding to the error correction combination based on a corresponding relation between a candidate error correction combination and a candidate complete character string, wherein the corresponding relation is determined based on historical deletion operation aiming at the character string and input operation after the historical deletion operation;
in response to a selected operation on the completion string, updating a string input based on the completion string.
According to an input method provided by the present invention, the correspondence is determined based on the following steps:
determining a history error correction combination and a corresponding history completion character string thereof based on the history deduplication operation and the input operation after the history deduplication operation;
and determining the corresponding relation based on the statistical frequency of the historical complete character string error correction under the historical error correction combination.
According to an input method provided by the present invention, the determining the corresponding relationship based on the statistical frequency of the error correction applied to the historical full string under the historical error correction combination includes:
determining the distribution probability of each historical completion string under the historical error correction combination based on the statistical frequency of the historical completion string error correction under the historical error correction combination;
and screening the historical completion strings based on the distribution probabilities of the historical completion strings, and/or screening the historical error correction combinations corresponding to the historical completion strings based on the dispersion degrees among the distribution probabilities of the historical completion strings to obtain the corresponding relation.
According to an input method provided by the present invention, the selecting, based on a degree of dispersion between distribution probabilities of the history complete strings, a history error correction combination corresponding to each history complete string includes:
based on a preset discrete threshold value and the discrete degree between the distribution probabilities of the historical completion character strings, screening the historical error correction combination corresponding to the historical completion character strings;
the preset discrete threshold is determined based on the hit probability and/or hit frequency of the test corresponding relation obtained under each candidate threshold.
According to an input method provided by the present invention, the determining a history error correction combination and a corresponding history completion string thereof based on the history deduplication operation and the input operation after the history deduplication operation includes:
determining a history deleted character string and a history residual character string in response to the history deleting operation;
responding to the input operation after the history deleting operation, and determining a history completion character string;
and under the condition that the difference degree between the historical deleted character string and the historical completed character string is smaller than a difference threshold value, constructing a historical error correction combination comprising the historical deleted character string and the historical residual character string and a corresponding historical completed character string.
According to an input method provided by the present invention, the determining the corresponding relationship based on the statistical frequency of applying the historical completion string error correction under the historical error correction combination further includes:
and determining and deleting the long-tail complement character string under the historical error correction combination based on the statistical frequency of the error correction of each historical complement character string under the historical error correction combination.
According to an input method provided by the present invention, the determining and displaying the complement character strings corresponding to the error correction combination based on the correspondence between the candidate error correction combination and the candidate complement character strings comprises:
and under the condition that the length of the deleted character string is greater than a preset length threshold, determining and displaying a complete character string corresponding to the error correction combination based on the corresponding relation between the candidate error correction combination and the candidate complete character string.
The present invention also provides an input device comprising:
the device comprises a determining and error-correcting combination unit, a determining and error-correcting combination unit and a correcting and error-correcting combination unit, wherein the determining and error-correcting combination unit is used for responding to a back-deleting operation and determining an error-correcting combination corresponding to the back-deleting operation, and the error-correcting combination comprises a deleting character string and a residual character string;
a complete character string determining unit, configured to determine and display a complete character string corresponding to the error correction combination based on a correspondence between the candidate error correction combination and the candidate complete character string, where the correspondence is determined based on a historical deduplication operation for a character string and an input operation after the historical deduplication operation;
an update unit to update a string input based on the completion string in response to a selected operation on the completion string.
The present invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements any of the input methods described above when executing the program.
The invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements an input method as described in any of the above.
The invention also provides a computer program product comprising a computer program which, when executed by a processor, implements the input method as described in any one of the above.
According to the input method, the device, the electronic equipment and the storage medium, the completion string corresponding to the error correction combination of the back deletion operation is displayed in response to the back deletion operation only after the user performs the back deletion operation through the user terminal, so that the scene needing the input method to perform completion prediction is effectively captured, the invalid calculation under the normal input scene is avoided, a large amount of calculation resources are saved, and the interaction cost of user input is reduced; moreover, the display of the complete character string can improve the hit probability of the real input of the user and improve the effectiveness of auxiliary input compared with the display of an error correction text; the corresponding relation applied by completion display is determined based on the historical deletion operation aiming at the character string and the input operation after the historical deletion operation so as to reflect the real input condition and improve the reliability and the accuracy of auxiliary input.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of an input method provided by the present invention;
FIG. 2 is a schematic diagram of determining error correction combinations provided by the present invention;
FIG. 3 is a schematic flow chart of the step of determining the correspondence relationship provided by the present invention;
FIG. 4 is a schematic flow chart of step 220 of the input method provided by the present invention;
FIG. 5 is a schematic diagram of a function curve of a preset discrete threshold provided by the present invention;
FIG. 6 is a flow chart illustrating step 210 of the input method provided by the present invention;
FIG. 7 is a schematic structural diagram of an input device provided by the present invention;
fig. 8 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
The invention provides an input method, fig. 1 is a schematic flow chart of the input method provided by the invention, and as shown in fig. 1, the method includes:
Specifically, a user may input a character string through a user terminal, where the user terminal may be a terminal device with an input function, such as a smart phone, a tablet computer, or a smart band, and in the process of inputting by the user, if the user wants to modify the input character string, the user may perform a delete operation through the user terminal, where the delete operation refers to an operation in which the user deletes the character string through the user terminal.
Accordingly, after the user performs the back-deletion operation through the user terminal, the input end may determine, in response to the back-deletion operation, an error correction combination corresponding to the back-deletion operation, where the error correction combination includes a deletion character string and a remaining character string, where the deletion character string refers to a character string deleted by the user performing the back-deletion operation through the user terminal, and the remaining character string refers to a character string remaining after the user performs the back-deletion operation through the user terminal.
It should be noted that the character string herein is an intermediary input by the user, for example, if the text that the user desires to input is "culture", the user needs to input the character string "wenhua" in order to input "culture", and select "culture" from the decoding results "culture", "Chinese", "question" and the like "wenhua" corresponding to "wenhua". If there is an input error in the input process, for example, "wehua" is input, the user usually needs to perform deletion back, i.e. delete "hua" and then input, at this time, "hua" deletes the character string, and "we" is the remaining character string.
And 120, determining and displaying a complete character string corresponding to the error correction combination based on a corresponding relation between the candidate error correction combination and the candidate complete character string, wherein the corresponding relation is determined based on historical deletion operation aiming at the character string and input operation after the historical deletion operation.
Specifically, after the error correction combination corresponding to the back-deletion operation is determined, the completion character string corresponding to the error correction combination may be determined and displayed based on the correspondence between the candidate error correction combination and the candidate completion character string. In distinction from the error correction combinations determined in step 110, the candidate error correction combinations herein refer to various error correction combinations that are stored in advance and may occur during a puncturing operation, and the candidate completion strings corresponding to the candidate error correction combinations exist, that is, the candidate completion strings corresponding to the candidate error correction combinations refer to strings that may be subsequently input by a user under the candidate error correction combinations, and one candidate error correction combination may correspond to one or more candidate completion strings.
Here, the correspondence between the candidate error correction combination and the candidate completion string is determined based on the history deduplication operation for the string and the input operation after the history deduplication operation. The history deletion operation refers to an operation in which the user deletes a character string through the user terminal in the past, and the input operation after the history deletion operation refers to an operation in which the user deletes a character string through the user terminal in the past and inputs the character string. It is understood that an error correction combination actually input by the user historically may be obtained through the history puncturing operation as a candidate error correction combination, and an input operation occurring after the history puncturing operation may obtain a candidate completion string to which the user manually inputs a completion after puncturing, that is, a candidate completion string corresponding to the candidate error correction combination, thereby obtaining a correspondence between the candidate error correction combination and the candidate completion string.
For example, the deleted character string in the candidate error correction combination may be "zhen", the remaining character string in the candidate error correction combination may be "ba", the candidate completion character string corresponding to the candidate error correction combination may be "ozhen", and for example, the deleted character string in the candidate error correction combination may be "buqule", the remaining character string in the candidate error correction combination may be "hu", the candidate completion character string corresponding to the candidate error correction combination may be "ibuqule", which is not specifically limited in this embodiment of the present invention.
After the error correction combination corresponding to the back-puncturing operation is obtained, a candidate error correction combination consistent with the error correction combination can be searched from the pre-stored massive candidate error correction combinations, and the candidate completion character string corresponding to the candidate error correction combination is used as the completion character string corresponding to the current error correction combination. After the completion string corresponding to the error correction combination is determined, the completion string can be displayed to the user so that the user can select the completion string through the user terminal.
For example, when the deleted character string in the error correction combination corresponding to the back-delete operation is "zhen" and the remaining character string is "ba", the complementary character string "ozhen" or a combination "baozhen" of the remaining character string and the complementary character string is displayed. It should be noted that, because the decoding results corresponding to the character string are richer than the decoding results of a limited number that are directly displayed, compared with the decoding characters that may be selected after completion is displayed for the back-deletion operation in the related art, such as "throw-pillow", the embodiment of the present invention displays that the completion character string "ozhen" can correspond to a plurality of decoding characters, such as "throw-pillow", "fidelity", "violence", "guarantee", and the like, the probability of hitting the real input of the user is higher, which is more favorable for improving the effectiveness of completion assistance.
Specifically, after the user performs a selection operation on the completion string through the user terminal, the input terminal may update the input of the string based on the completion string in response to the selection operation on the completion string. The selection operation here refers to an operation in which the user selects a complementary string corresponding to the error correction combination through the user terminal.
For example, under the condition of displaying the complete character string "ozhen", if a selection operation for the complete character string "ozhen" is received, a new character string can be displayed on screen, that is, the original character string "ba" is replaced by "baozhen", so that the user replaces the input operation of 5 characters by one selection operation, the problem of false touch possibly occurring in the input process of the 5 characters is avoided, and the input efficiency is effectively improved.
Fig. 2 is a schematic diagram of determining an error correction combination provided by the present invention, and as shown in fig. 2, for example, in the case where a deleted character string in the error correction combination corresponding to a deduplication operation is "zhen" and a remaining character string is "ba", a combination "baozhen" of the remaining character string and a complementary character string is displayed.
According to the method provided by the embodiment of the invention, the completion string of the error correction combination corresponding to the back deletion operation is displayed only after the user performs the back deletion operation through the user terminal, so that the scene needing the input method to perform the completion prediction is effectively captured, the invalid calculation under the normal input scene is avoided, a large amount of calculation resources are saved, and the interaction cost of the user input is reduced; in addition, the completion character string is displayed, so that the hit probability of the real input of the user can be improved and the effectiveness of auxiliary input can be improved compared with the error correction text; the corresponding relation applied by completion display is determined based on the historical deletion operation aiming at the character string and the input operation after the historical deletion operation so as to reflect the real input condition and improve the reliability and the accuracy of auxiliary input.
Based on the above embodiment, fig. 3 is a schematic flowchart of the step of determining the corresponding relationship provided by the present invention, and as shown in fig. 3, the corresponding relationship in step 120 is determined based on the following steps:
Specifically, the history error correction combination and the corresponding history completion string may be determined based on a history deduplication operation and an input operation after the history deduplication operation, where the history deduplication operation is an operation in which a user deletes a character string through a user terminal in the past, and the input operation after the history deduplication operation is an operation in which a user inputs a character string after deleting the character string through the user terminal in the past.
For example, the original string may be "bazhen", the history deduplication operation may delete the string "zhen", the input operation after the history deduplication operation may input the string "ozhen", then the history error correction combination determined based on the history deduplication operation and the input operation after the history deduplication operation may be "baozhen", and the history completion string corresponding to the history error correction combination may be "ozhen", and thus, the history error correction combination and the corresponding history completion string may be determined.
After the historical error correction combination and the corresponding historical completion string thereof are determined, considering that the error correction by applying some historical completion strings may be accidental events and are not suitable for most situations, screening each historical completion string under the historical error correction combination based on the statistical frequency of the error correction by applying the historical completion strings under the historical error correction combination, and establishing a corresponding relation between the screened historical completion string under the historical error correction combination and the historical error correction combination.
Here, the filtering of the historical completion strings under the historical error correction combination may be to delete the historical completion strings of which the statistical frequency is lower than a preset frequency threshold, or may also be to determine the probability of error correction by applying each historical completion string based on the statistical frequency of error correction by applying the historical completion strings under the historical error correction combination, and delete the historical completion strings of which the probability is lower than the preset probability threshold.
The method provided by the embodiment of the invention determines the corresponding relation based on the statistical frequency of the application of the historical full string error correction under the historical error correction combination, the determined corresponding relation has reliability and universality, and the full string corresponding to the error correction combination is determined and displayed subsequently based on the corresponding relation, so that the reliability and the accuracy of the determination of the full string are improved.
Based on the above embodiments, fig. 4 is a schematic flowchart of step 220 in the input method provided by the present invention, and as shown in fig. 4, step 220 includes:
step 221, determining the distribution probability of each historical completion string under the historical error correction combination based on the statistical frequency of applying the historical completion string under the historical error correction combination for error correction.
Specifically, after the statistical frequency of applying the historical completion string error correction under the historical error correction combination is obtained, the distribution probability of each historical completion string under the historical error correction combination may be determined based on the statistical frequency of applying the historical completion string error correction under the historical error correction combination.
For example, the history remaining string in the history error correction combination may be a, the history deletion string in the history error correction combination may be B, the history error correction combination may be a + B, and since there may be a plurality of history completion strings corresponding to the history error correction combination, the history completion string corresponding to the history error correction combination may be C 1 ,C 2 ,……,C n-1 ,C n And n is the number of the historical completion strings, based on the statistical frequency of the historical completion string error correction applied under the historical error correction combination, the distribution probability of each historical completion string under the historical error correction combination can be determined as follows: p (A + B | A + C) 1 ),P(A+B|A+C 2 ),……,P(A+B|A+C n-1 ),P(A+B|A+C n )。
Specifically, after the distribution probability of each history completion string in the history error correction combination is determined, since the distribution probability of the history completion string in some history error correction combinations is low, the probability that the user selects the part of the history completion string to complete is low, and therefore, it is necessary to screen each history completion string. Specifically, during screening, for each history complete character string under one history error correction combination, each history complete character string with a distribution probability lower than a preset probability threshold may be deleted, where the threshold may be determined by the hit probability and hit frequency of the test correspondence obtained under each candidate threshold.
Further, if the degree of dispersion between the distribution probabilities of the respective history completion strings is small, it is difficult for the user to select a string for completion from the respective history completion strings, that is, a history completion string showing no prominent head probability, and the probability of user selection is not high regardless of which history completion string is used for completion.
Therefore, it is necessary to filter the history error correction combinations corresponding to the history completion strings. Specifically, during screening, for one historical error correction combination, the distribution probability of each historical completion string under one historical error correction combination can be determined.
The historical completion strings may be filtered based on their distribution probability to obtain a corresponding relationship, for example, the distribution probability P (a + B | a + C) of each historical completion string may be filtered n ) The method includes screening historical completion strings of > =0.25, and after screening a historical error correction combination corresponding to each historical completion string of which the distribution probability of each historical completion string is greater than or equal to a threshold value, constructing a corresponding relationship between the screened historical completion string under the historical error correction combination and the historical error correction combination.
The historical error correction combinations corresponding to the historical completion strings may be filtered based on the degree of dispersion between the distribution probabilities of the historical completion strings to obtain a correspondence relationship, for example, the variance between the distribution probabilities of the historical completion strings, that is, VARP (P (a + B | a + C), may be calculated 1 ),P(A+B|A+C 2 ),……,P(A+B|A+C n-1 ),P(A+B|A+C n ) And screening the historical error correction combinations corresponding to the historical full-complement character strings of which the variance between the distribution probabilities of the historical full-complement character strings is greater than or equal to a threshold value, and after screening the historical error correction combinations corresponding to the historical full-complement character strings of which the variance between the distribution probabilities of the historical full-complement character strings is greater than or equal to the threshold value, constructing corresponding relations between the screened historical full-complement character strings under the historical error correction combinations and the historical error correction combinations.
Furthermore, the historical error correction combinations corresponding to the historical completion strings can be screened respectively based on the distribution probability of each historical completion string and the dispersion degree between the distribution probabilities of the historical completion strings.
The historical completion strings may be filtered based on the distribution probability of each historical completion string, and the historical error correction combinations corresponding to each historical completion string may be filtered based on the degree of dispersion between the distribution probabilities of each historical completion string to obtain a correspondence, for example, the distribution probability P (a + B | a + C) of each historical completion string may be filtered n ) Each history complete string of > =0.25 is screened out, and a variance VARP (P (a + B | a + C) between distribution probabilities of each history complete string is obtained 1 ),P(A+B|A+C 2 ),……,P(A+B|A+C n-1 ),P(A+B|A+C n ) History correction combinations corresponding to the history completion string of which the variance between the distribution probabilities of the history completion string is greater than or equal to the threshold value are screened out, and after the history correction combinations corresponding to the history completion string of which the variance between the distribution probabilities of the history completion string is greater than or equal to the threshold value are screened out, a corresponding relationship can be established between the history completion string screened under the history correction combination and the history correction combination.
According to the method provided by the embodiment of the invention, each historical completion string is screened based on the distribution probability of each historical completion string, and/or the historical error correction combination corresponding to each historical completion string is screened based on the dispersion degree between the distribution probabilities of each historical completion string, so that the corresponding relation is obtained, and the reliability of the subsequent completion string display can be ensured due to the obtained corresponding relation.
Based on the foregoing embodiment, in step 222, the screening historical error correction combinations corresponding to the historical completion strings based on a degree of dispersion between distribution probabilities of the historical completion strings includes:
based on a preset discrete threshold value and the discrete degree between the distribution probabilities of the historical completion character strings, screening the historical error correction combination corresponding to the historical completion character strings;
the preset discrete threshold is determined based on the hit probability and/or hit frequency of the test corresponding relation obtained under each candidate threshold.
Specifically, the historical error correction combinations corresponding to the historical completion strings may be screened based on a preset discrete threshold and a discrete degree between distribution probabilities of the historical completion strings, where the preset discrete threshold represents a minimum value of a discrete degree of a combination reserved to construct a corresponding relationship, the historical error correction combinations corresponding to the historical completion strings that are greater than or equal to the preset discrete threshold may be reserved, and the historical error correction combinations corresponding to the historical completion strings that are smaller than the preset discrete threshold may be deleted, and the preset discrete threshold may be determined based on hit probabilities and/or hit frequencies of test corresponding relationships obtained under the candidate thresholds.
For example, the preset discrete threshold may be θ, and the historical error correction combination corresponding to each historical completion string, that is, VARP (P (a + B | a + C), may be filtered based on the preset discrete threshold and the degree of dispersion between the distribution probabilities of each historical completion string 1 ),P(A+B|A+C 2 ),……,P(A+B|A+C n-1 ),P(A+B|A+C n ))>And theta lnn is the number of the historical completion character strings, so that enough gradient can be ensured among the historical error correction combinations corresponding to the historical completion character strings, correspondingly, the sufficient gradient among the historical error correction combinations is beneficial to a user to select the completion character strings, and the historical completion character strings can be completely prevented from being displayed under the condition that the gradient among the historical error correction combinations is small, so that the interference to the user is avoided. For example, P (A + B | A + C) 1 ) Can be 0.6,P (A + B | A + C) 2 ) Can be 0.3,P (A + B | A + C) 3 ) May be 0.1, and P (A + B | A + C) may be substituted 1 ) Establishing a corresponding relation between the history completion character string of =0.6 and the corresponding history error correction combination thereof, and then constructing the character string C 1 For completion, the probability of user selection is higher.
It may be understood that the preset discrete threshold may be determined based on hit probabilities of the test correspondences obtained under each candidate threshold, may also be determined based on hit probabilities and hit frequencies of the test correspondences obtained under the candidate thresholds, and may also be determined based on hit frequencies of the test correspondences obtained under the candidate thresholds, which is not specifically limited in the embodiment of the present invention. Here, the test correspondence is a correspondence constructed by screening the historical error correction combination with the candidate threshold as a threshold determined in the test, and the test correspondence is put into an application test, so that the hit frequency of the test correspondence can be obtained, that is, the frequency of the user clicking the completion string in the test correspondence.
For example, in order to make the preset discrete threshold more accurately judge the degree of dispersion between the distribution probabilities of the respective historical completion strings, the preset discrete threshold θ is tested, the abscissa is set as the hit probability M of the test correspondence obtained under each candidate threshold, and the ordinate is set as the hit frequency N of the test correspondence obtained under each candidate threshold, so as to obtain MN function values of different θ.
It can be understood that the higher the hit probability of the test correspondence obtained based on the candidate threshold, and the more the hit frequency of the test correspondence obtained based on the candidate threshold, the more suitable the candidate threshold is as the preset discrete threshold; the lower the hit probability of the test correspondence obtained based on the candidate threshold value is, and the lower the hit frequency of the test correspondence obtained based on the candidate threshold value is, the less suitable the candidate threshold value is as the preset discrete threshold value.
Fig. 5 is a schematic diagram of a function curve of a preset discrete threshold, as shown in fig. 5, when θ =3,4, and 10, the function curve of the preset discrete threshold has an obvious inflection point, and based on a service scenario consideration, interference to a user caused by missing a completion string is reduced as much as possible, so that θ may be 9.
According to the method provided by the embodiment of the invention, the preset discrete threshold is determined based on the hit probability and/or hit frequency of the test corresponding relation obtained under each candidate threshold, so that the determined preset discrete threshold can more accurately judge the discrete degree between the distribution probabilities of each historical complete string; based on the preset discrete threshold and the discrete degree between the distribution probabilities of the historical completion character strings, the historical error correction combinations corresponding to the historical completion character strings are screened, and the reliability of the screened historical error correction combinations is improved.
Based on the above embodiments, fig. 6 is a schematic flowchart of step 210 in the input method provided by the present invention, and as shown in fig. 6, step 210 includes:
Specifically, the user may input a character string through the user terminal before, and in the process of inputting by the user, if the user wants to modify the input character string, the user may perform a history deduplication operation through the user terminal, where the history deduplication operation is an operation in which the user deletes the character string through the user terminal in the past.
Accordingly, after the user performs the history deletion operation through the user terminal, the input terminal may determine, in response to the history deletion operation, a history deletion character string and a history remaining character string, where the history deletion character string refers to a character string deleted by the user through the user terminal before the history deletion operation is performed, and the history remaining character string refers to a character string remaining after the user performs the history deletion operation through the user terminal before the history deletion operation is performed.
Specifically, after the user performs the history deletion operation through the user terminal, an input operation may be performed, and accordingly, the input terminal may determine a history completion string in response to the input operation after the history deletion operation, where the history completion string is a string provided according to the history deletion string and the history remaining string to prompt the user for input.
After the history deleted character string and the history completed character string are obtained, under the condition that the difference degree between the history deleted character string and the history completed character string is smaller than the difference threshold value, a history error correction combination comprising the history deleted character string and the history residual character string and the corresponding history completed character string can be constructed.
For example, the history deleted string may be "zhen", the history completed string may be "ozhen", and the history remaining string may be "ba", and the edit distance between the history deleted string and the history completed string may be used as a criterion for evaluating the degree of difference between the history deleted string and the history completed string. The difference threshold may be a ratio of the edit distance to the history completion string, which is not specifically limited in the embodiment of the present invention.
For example, a history error correction combination including a history deleted string and a history remaining string, and a history completed string corresponding thereto, may be constructed when an edit distance between the history deleted string and the history completed string is less than 0.7.
According to the method provided by the embodiment of the invention, under the condition that the difference degree between the historical deleted character string and the historical complemented character string is smaller than the difference threshold value, the historical error correction combination comprising the historical deleted character string and the historical residual character string and the corresponding historical complemented character string are constructed, the atypical error correction combination and character string caused by excessive spectrum separation of input errors can be effectively filtered, and the reliability of the historical error correction combination and the corresponding historical complemented character string is improved.
Based on the above embodiment, step 220 further includes:
and determining and deleting the long-tail complement character string under the historical error correction combination based on the statistical frequency of the error correction of each historical complement character string under the historical error correction combination.
Specifically, before step 220 is executed, since the long-tailed padding string exists in the padding string under the historical error correction combination, the long-tailed padding string under the historical error correction combination needs to be determined and deleted. The long-tailed complete string is a string that appears less frequently in the complete string.
The long-tail complete string under the historical error correction combination can be determined and deleted based on the statistical frequency of the error correction of each historical complete string under the historical error correction combination. The statistical frequency here may be 20 times, 30 times, 40 times, etc., and this is not particularly limited in the embodiment of the present invention.
According to the method provided by the embodiment of the invention, based on the statistical frequency of the error correction of each historical completion string applied under the historical error correction combination, the long-tail completion string under the historical error correction combination is determined and deleted, and the efficiency of subsequently determining the completion string under the historical error correction combination is improved.
Based on the above embodiment, step 120 includes:
and under the condition that the length of the deleted character string is greater than a preset length threshold, determining and displaying a complete character string corresponding to the error correction combination based on the corresponding relation between the candidate error correction combination and the candidate complete character string.
Specifically, considering that the step of determining the error correction combination corresponding to the deduplication operation is relatively complicated in response to the deduplication operation under the condition that the length of the character string deleted by the user through the deduplication operation by the user terminal is relatively short, the user can directly re-input the character string more conveniently and quickly than the method for waiting for the complete character string selection.
In order to solve the problem, in the embodiment of the present invention, when the length of the deleted character string is greater than the preset length threshold, the completion character string corresponding to the error correction combination is determined and displayed based on the correspondence between the candidate error correction combination and the candidate completion character string.
The preset length threshold may be 4, 5, or 6, which is not specifically limited in this embodiment of the present invention.
In addition, in consideration of the size of the display screen, the number of display of the completion strings corresponding to the error correction combination may be at most 3, and the length of the completion string may be at most 15, which is not specifically limited in the embodiment of the present invention.
According to the method provided by the embodiment of the invention, under the condition that the length of the deleted character string is greater than the preset length threshold, the complement character string corresponding to the error correction combination is determined and displayed based on the corresponding relation between the candidate error correction combination and the candidate complement character string, so that the interaction cost of a user is reduced, and the input efficiency of the user is improved.
Based on any of the above embodiments, the present invention provides an input method, comprising the steps of:
in the first step, in response to the puncturing back operation, an error correction combination corresponding to the puncturing back operation may be determined, where the error correction combination includes the deleted character string and the remaining character strings.
And secondly, determining and displaying the complement character strings corresponding to the error correction combination based on the corresponding relation between the candidate error correction combination and the candidate complement character strings, wherein the corresponding relation is determined based on the historical deletion operation aiming at the character strings and the input operation after the historical deletion operation.
Wherein the correspondence may be determined based on the following steps:
first, a history error correction combination and a corresponding history completion string thereof may be determined based on a history deduplication operation and an input operation after the history deduplication operation.
Then, the long-tail completion string under the historical error correction combination can be determined and deleted based on the statistical frequency of applying error correction of each historical completion string under the historical error correction combination.
Finally, the distribution probability of each historical completion string under the historical error correction combination can be determined based on the statistical frequency of the historical completion string error correction under the historical error correction combination. And then screening the historical completion strings based on the distribution probability of the historical completion strings, and/or screening the historical error correction combinations corresponding to the historical completion strings based on the dispersion degree between the distribution probabilities of the historical completion strings to obtain the corresponding relation.
Third, the string input can be updated based on the completion string in response to the selected operation on the completion string.
The input device provided by the present invention is described below, and the input device described below and the input method described above may be referred to correspondingly.
Based on any of the above embodiments, the present invention provides an input device, and fig. 7 is a schematic structural diagram of the input device provided by the present invention, as shown in fig. 7, the input device includes:
an error correction combination determining unit 710, configured to determine, in response to a puncturing operation, an error correction combination corresponding to the puncturing operation, where the error correction combination includes a deleted string and a remaining string;
a determine full string complement unit 720, configured to determine and display a full string complement corresponding to the error correction combination based on a correspondence between the candidate error correction combination and the candidate full string complement, where the correspondence is determined based on a historical deduplication operation for a string and an input operation after the historical deduplication operation;
an updating unit 730, configured to, in response to the selected operation on the completion string, update the string input based on the completion string.
According to the device provided by the embodiment of the invention, the completion string of the error correction combination corresponding to the back deletion operation is displayed only after the user performs the back deletion operation through the user terminal, so that the scene needing an input method to perform completion prediction is effectively captured, invalid calculation under a normal input scene is avoided, a large amount of calculation resources are saved, and the interaction cost of user input is reduced; moreover, the display of the complete character string can improve the hit probability of the real input of the user and improve the effectiveness of auxiliary input compared with the display of an error correction text; the corresponding relation applied by completion display is determined based on the historical deletion operation aiming at the character string and the input operation after the historical deletion operation so as to reflect the real input condition and improve the reliability and the accuracy of auxiliary input.
Based on any of the above embodiments, the correspondence is determined based on the following steps:
a determining subunit, configured to determine a history error correction combination and a history completion string corresponding to the history error correction combination based on the history deduplication operation and an input operation after the history deduplication operation;
and the corresponding relation determining subunit is used for determining the corresponding relation based on the statistical frequency of the historical complete character string error correction applied under the historical error correction combination.
Based on any of the above embodiments, the determining the correspondence subunit specifically includes:
a distribution probability determining subunit, configured to determine, based on the statistical frequency of applying the historical completion string error correction under the historical error correction combination, a distribution probability of each historical completion string under the historical error correction combination;
and the screening subunit is configured to screen the historical completion strings based on the distribution probabilities of the historical completion strings, and/or screen historical error correction combinations corresponding to the historical completion strings based on a dispersion degree between the distribution probabilities of the historical completion strings to obtain the corresponding relationship.
Based on any of the above embodiments, the screening, based on the degree of dispersion between the distribution probabilities of the history complete strings, the history error correction combinations corresponding to the history complete strings includes:
based on a preset discrete threshold value and the discrete degree between the distribution probabilities of the historical completion character strings, screening the historical error correction combination corresponding to the historical completion character strings;
and determining the preset discrete threshold based on the hit probability and/or hit frequency of the test corresponding relation obtained under each candidate threshold.
Based on any of the above embodiments, determining the sub-unit specifically includes:
responding to the history deleting operation, and determining a history deleting character string and a history residual character string;
responding to the input operation after the history deletion operation, and determining a history completion character string;
and under the condition that the difference degree between the historical deleted character string and the historical completed character string is smaller than a difference threshold value, constructing a historical error correction combination comprising the historical deleted character string and the historical residual character string and a corresponding historical completed character string.
Based on any of the above embodiments, determining the corresponding relationship subunit further includes:
and determining and deleting the long-tail complete character string under the historical error correction combination based on the statistical frequency of the error correction of each historical complete character string under the historical error correction combination.
Based on any of the above embodiments, the determining the complementary string unit specifically includes:
and under the condition that the length of the deleted character string is larger than a preset length threshold, determining and displaying a complement character string corresponding to the error correction combination based on the corresponding relation between the candidate error correction combination and the candidate complement character string.
Fig. 8 illustrates a physical structure diagram of an electronic device, and as shown in fig. 8, the electronic device may include: a processor (processor) 810, a communication Interface 820, a memory 830 and a communication bus 840, wherein the processor 810, the communication Interface 820 and the memory 830 communicate with each other via the communication bus 840. The processor 810 may call logic instructions in the memory 830 to perform an input method comprising: responding to a back deletion operation, and determining an error correction combination corresponding to the back deletion operation, wherein the error correction combination comprises a deletion character string and a residual character string; determining and displaying a complete character string corresponding to the error correction combination based on a corresponding relation between a candidate error correction combination and a candidate complete character string, wherein the corresponding relation is determined based on historical deletion operation aiming at the character string and input operation after the historical deletion operation; in response to a selected operation on the completion string, updating a string input based on the completion string.
In addition, the logic instructions in the memory 830 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product comprising a computer program, the computer program being storable on a non-transitory computer readable storage medium, the computer program, when executed by a processor, being capable of executing the input method provided by the above methods, the method comprising: responding to a back deletion operation, and determining an error correction combination corresponding to the back deletion operation, wherein the error correction combination comprises a deletion character string and a residual character string; determining and displaying a complete character string corresponding to the error correction combination based on a corresponding relation between a candidate error correction combination and a candidate complete character string, wherein the corresponding relation is determined based on historical deletion operation aiming at the character string and input operation after the historical deletion operation; in response to a selected operation on the completion string, updating a string input based on the completion string.
In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the input method provided by the above methods, the method comprising: responding to a back deletion operation, and determining an error correction combination corresponding to the back deletion operation, wherein the error correction combination comprises a deletion character string and a residual character string; determining and displaying a complete character string corresponding to the error correction combination based on a corresponding relation between a candidate error correction combination and a candidate complete character string, wherein the corresponding relation is determined based on historical deletion operation aiming at the character string and input operation after the historical deletion operation; in response to a selected operation on the completion string, updating a string input based on the completion string.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An input method, comprising:
responding to a back deletion operation, and determining an error correction combination corresponding to the back deletion operation, wherein the error correction combination comprises a deletion character string and a residual character string;
determining and displaying a complete character string corresponding to the error correction combination based on a corresponding relation between a candidate error correction combination and a candidate complete character string, wherein the corresponding relation is determined based on historical deletion operation aiming at the character string and input operation after the historical deletion operation;
in response to a selected operation on the completion string, updating a string input based on the completion string.
2. The input method according to claim 1, wherein the correspondence is determined based on:
determining a historical error correction combination and a corresponding historical completion character string thereof based on the historical deduplication operation and the input operation after the historical deduplication operation;
and determining the corresponding relation based on the statistical frequency of the historical complete character string error correction under the historical error correction combination.
3. The input method according to claim 2, wherein the determining the correspondence relationship based on the statistical frequency of applying the historical completion string error correction under the historical error correction combination comprises:
determining the distribution probability of each historical completion string under the historical error correction combination based on the statistical frequency of the historical completion string error correction applied under the historical error correction combination;
and screening the historical completion strings based on the distribution probabilities of the historical completion strings, and/or screening the historical error correction combinations corresponding to the historical completion strings based on the dispersion degrees among the distribution probabilities of the historical completion strings to obtain the corresponding relation.
4. The input method according to claim 3, wherein the screening the historical error correction combination corresponding to each historical completion string based on a degree of dispersion between the distribution probabilities of each historical completion string includes:
based on a preset discrete threshold value and the discrete degree between the distribution probabilities of the historical completion character strings, screening the historical error correction combination corresponding to the historical completion character strings;
and determining the preset discrete threshold based on the hit probability and/or hit frequency of the test corresponding relation obtained under each candidate threshold.
5. The input method according to claim 2, wherein the determining a history error correction combination and a corresponding history completion string thereof based on the history puncturing operation and the input operation after the history puncturing operation comprises:
responding to the history deleting operation, and determining a history deleting character string and a history residual character string;
responding to the input operation after the history deletion operation, and determining a history completion character string;
and under the condition that the difference degree between the historical deleted character string and the historical completed character string is smaller than a difference threshold value, constructing a historical error correction combination comprising the historical deleted character string and the historical residual character string and a corresponding historical completed character string.
6. The input method according to claim 2, wherein the determining the correspondence relationship based on the statistical frequency of applying the historical completion string error correction under the historical error correction combination further comprises:
and determining and deleting the long-tail complement character string under the historical error correction combination based on the statistical frequency of the error correction of each historical complement character string under the historical error correction combination.
7. The input method according to any one of claims 1 to 6, wherein the determining and displaying the complement strings corresponding to the error correction combinations based on the correspondence between the candidate error correction combinations and the candidate complement strings comprises:
and under the condition that the length of the deleted character string is greater than a preset length threshold, determining and displaying a complete character string corresponding to the error correction combination based on the corresponding relation between the candidate error correction combination and the candidate complete character string.
8. An input device, comprising:
the device comprises a determining and error-correcting combination unit, a determining and error-correcting combination unit and a correcting and error-correcting combination unit, wherein the determining and error-correcting combination unit is used for responding to a back-deleting operation and determining an error-correcting combination corresponding to the back-deleting operation, and the error-correcting combination comprises a deleting character string and a residual character string;
a complete character string determining unit, configured to determine and display a complete character string corresponding to the error correction combination based on a correspondence between the candidate error correction combination and the candidate complete character string, where the correspondence is determined based on a historical deduplication operation for a character string and an input operation after the historical deduplication operation;
an update unit to update a string input based on the completion string in response to a selected operation on the completion string.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the input method of any one of claims 1 to 7 when executing the program.
10. A non-transitory computer-readable storage medium on which a computer program is stored, the computer program, when being executed by a processor, implementing the input method according to any one of claims 1 to 7.
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