CN104156491A - Mobile terminal and list information retrieval method thereof - Google Patents

Mobile terminal and list information retrieval method thereof Download PDF

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Publication number
CN104156491A
CN104156491A CN201410440335.5A CN201410440335A CN104156491A CN 104156491 A CN104156491 A CN 104156491A CN 201410440335 A CN201410440335 A CN 201410440335A CN 104156491 A CN104156491 A CN 104156491A
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mobile terminal
character
data message
letter
standard
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程一帆
邹静竹
张潇
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Shanghai Ctrip Business Co Ltd
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Ctrip Computer Technology Shanghai Co Ltd
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Priority to CN201410440335.5A priority Critical patent/CN104156491A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/957Browsing optimisation, e.g. caching or content distillation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Data Mining & Analysis (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Calculators And Similar Devices (AREA)

Abstract

The invention discloses a mobile terminal and a list information retrieval method of the mobile terminal. A list stored in the mobile terminal comprises multiple pieces of data information and an alphabetic item. The data information forms a set. A touch screen comprises a display region used for displaying all the data information in the set. When it is detected that an alphabet in the alphabetic item is selected, the data information in the set is updated, wherein the initial alphabet of the updated data information is the selected alphabet, and the spell initial alphabet of the first word of the updated data information is also the selected alphabet. The method comprises the steps that when the current content on a display interface is the list, the mobile terminal receives a first gesture input to the display region; a first original character formed by the first gesture is stored; the size of the first original character is unified to be the standard size, so that a first standard character is obtained; the first standard character is identified through a BP neural network, and when the first standard character is an alphabet, the mobile terminal selects the alphabet the same as the first standard character from the alphabetic item of the list. According to the mobile terminal and the list information retrieval method of the mobile terminal, needed data information can be retrieved more quickly by means of gesture input.

Description

Mobile terminal and list information search method thereof
Technical field
The present invention relates to a kind of mobile terminal, be particularly related to list information search method and the mobile terminal of the mobile terminal that a kind of recognition technology of utilizing gesture input mode and BP neural network (it is a kind of by the Multi-layered Feedforward Networks of Back Propagation Algorithm training, is one of current most widely used neural network model) realizes.
Background technology
At present, in mobile terminal of touch screen, store a plurality of lists, such as address list, list of countries, city list and the list of currency Currency Type etc., each list includes a plurality of data messages and an alphabetic item, wherein this alphabetic item is comprised of 26 English capitalizations, i.e. A to Z.For example, when the display interface of mobile terminal shows a certain list (city list), all data messages of this list are shown on display interface according to order from top to bottom successively, the alphabetic item of this list is shown in the right side of display interface conventionally, and show successively according to order from top to bottom, referring to Fig. 1, display interface shows the data message of city list successively according to order from top to bottom, display interface right side also shows 26 English capitalizations successively according to order from top to bottom.
In prior art, there is the scheme that retrieves the data message of user's needs by the letter in alphabetic item, below in conjunction with Fig. 1, carry out this scheme of general description: establish user and want to retrieve " Jiamusi " this city from city list, user clicks the letter " J " in the alphabetic item on display interface right side by finger, then in the data message of city list, the first letter of pinyin of first Chinese character is that all data messages of " J " are all out screened, see Fig. 1, the data message showing in current display interface is all data messages that the first letter of pinyin of first Chinese character is " J ", and just there is city " Jiamusi " in the data message that current display interface shows.
The location that in above-mentioned retrieval list, although the method for data message can realize data message, but there is following defect: as can be seen from Figure 1, each letter in the alphabetic item on display interface right side is all very little, when user utilizes finger to click a certain letter in alphabetic item, probably click a plurality of letters simultaneously, be unfavorable for accurately choosing user to think the letter of choosing, especially thick for finger, mobile phone uses user unskilled and that eyesight is poor, operates more difficult; And during the alphabetic item on finger sliding right side, finger can shelter from some letters, due to blocking of finger, user is difficult to accurately slide into the alphabetical target area that comprises required click, causes and uses difficulty to increase, and above-mentioned these defects all will cause Information Retrieval Efficiency low.
Summary of the invention
The technical problem to be solved in the present invention is to be difficult for accurately clicking, sliding in order to overcome list information search method in prior art, operation inconvenience, cause the low defect of Information Retrieval Efficiency, provide a kind of have can quick-searching desired data information by gesture input mobile terminal and list information search method thereof.
The present invention solves above-mentioned technical matters by following technical proposals:
The invention provides a kind of list information search method of mobile terminal, this mobile terminal comprises a touch-screen and stores a list, this list comprises a plurality of data messages and an alphabetic item, this mobile terminal is provided with a set, the initial content of this set is all those data messages, this touch-screen comprises that one for showing the viewing area of the current all data messages of this set, when letter in this alphabetic item being detected is selected, it is this alphabetical data message that data message in this set is updated to the first letter of pinyin that initial is this letter and first character, its feature is, this list information search method comprises the following steps:
S 1, when current display interface content is this list, this mobile terminal receives the input of the first gesture on this viewing area;
S 2, this mobile terminal preserves the first original character that this first gesture forms;
S 3, this mobile terminal by size unification to standard size of this first original character to obtain one first standard character;
S 4, this mobile terminal is by this first standard character of BP neural network recognization, if this first standard character be alphabetical, enters step S 5if this first standard character is not letter, enters step S 6;
S 5, this mobile terminal chooses letter identical with this first standard character in the alphabetic item of this list, so that this viewing area shows the data message that first letter of pinyin that the initial of data message in the data message of this list is the first character of this first standard character and data message is this first standard character;
S 6, process ends.
Preferably, set i=1, step S 6comprise the following steps afterwards:
S 7, this mobile terminal receives the input of i gesture again by this viewing area;
S 8, this mobile terminal preserves formed i the original character of this i gesture;
S 9, this mobile terminal by the size unification of this i original character to this standard size to obtain an i standard character;
S 10, this mobile terminal is by this i standard character of BP neural network recognization, when this i standard character is letter, the data message that the first letter of pinyin that j the letter that filters out data message from this set is j word of this i standard alphabet and data message is this i standard alphabet, wherein j=i+1;
S 11, this mobile terminal is updated to the up-to-date data message filtering out by the data message in this set, and shows the current all data messages in this set by this viewing area;
S 12, the numerical value of i is increased to 1, and again carry out S 7.
Preferably, this mobile terminal shows by this viewing area the track that each gesture generates.
Preferably, a time period on the data message that each track Overlapping display shows in this viewing area, each track display is translucent, and this time period is less than the time interval that this mobile terminal receives former and later two gestures.
The present invention also provides a kind of mobile terminal, it comprises a touch-screen and stores a list, this list comprises a plurality of data messages and an alphabetic item, this mobile terminal is provided with a set, the initial content of this set is all those data messages, this touch-screen comprises that one for showing the viewing area of the current all data messages of this set, when letter in this alphabetic item being detected is selected, it is this alphabetical data message that data message in this set is updated to the first letter of pinyin that initial is this letter and first character, its feature is, this mobile terminal comprises a load module, one memory module, one processing module, one identification module and one is chosen module,
This load module, for when current display interface content is this list, receives the input of the first gesture on this viewing area;
The first original character that this memory module forms for preserving this first gesture;
This processing module is used for size unification to standard size of this first original character to obtain one first standard character;
This identification module is for passing through this first standard character of BP neural network recognization, when this first standard character is letter, this chooses module for choosing the alphabetic item letter identical with this first standard character of this list, so that this viewing area shows the data message that first letter of pinyin that the initial of data message in the data message of this list is the first character of this first standard character and data message is this first standard character.
Preferably, this mobile terminal also comprises a screening module, a update module and an increment module;
Set i=1: this load module for again receiving the input of i gesture by this viewing area after receiving this first gesture;
This memory module is used for preserving formed i the original character of this i gesture;
This processing module for by the size unification of this i original character to this standard size to obtain an i standard character;
This identification module is for passing through this i standard character of BP neural network recognization, when this i standard character is letter, this screening module is for filtering out the data message that the first letter of pinyin of j the word that j letter of data message is this i standard alphabet and data message is this i standard alphabet from this set, this update module is for being updated to the up-to-date data message filtering out by the data message of this set, and show the current all data messages in this set, wherein j=i+1 by this viewing area;
This increment module is used for the numerical value of i to increase by 1, and calls this load module.
Preferably, this mobile terminal also comprises a display module, and this display module is for showing the track that each gesture generates by this viewing area.
Preferably, a time period on the data message that each track Overlapping display shows in this viewing area, each track display is translucent, and this time period is less than the time interval that this load module receives former and later two gestures.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains the preferred embodiments of the invention.
Positive progressive effect of the present invention is:
Mobile terminal of the present invention and list information search method thereof, by gesture input mode and utilize the recognition technology of BP neural network to make user can locate fast and retrieve more efficiently needed information by initial, reach the object improving by initial effectiveness of retrieval and degree of accuracy, further promoted user's experience.
Accompanying drawing explanation
Fig. 1 is the interface sectional drawing that in prior art, mobile terminal is implemented list information retrieval operation.
Fig. 2 is the structured flowchart of the mobile terminal of the embodiment of the present invention 1.
Fig. 3 is the interface sectional drawing at city list interface in the mobile phone of the embodiment of the present invention 1.
Fig. 4 is the process flow diagram of list information search method of the mobile terminal of the embodiment of the present invention 1.
Fig. 5 is two interface sectional drawings at address list interface in the mobile phone of the embodiment of the present invention 1.
Fig. 6 is the structured flowchart of the mobile terminal of the embodiment of the present invention 2.
Fig. 7 is five interface sectional drawings at city list interface in the mobile phone of the embodiment of the present invention 2.
Embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, to describe technical scheme of the present invention in detail, but therefore do not limit the present invention among described scope of embodiments.
Embodiment 1
Shown in figure 2, the present embodiment provides a kind of mobile terminal, this mobile terminal is touch-screen mobile phone, and this mobile phone comprises that a touch-screen 1, a load module 2, a memory module 3, a processing module 4, an identification module 5 and choose module 6, and wherein this touch-screen comprises a viewing area.
In this mobile phone, also store a list, this list can be list of countries, city list, address list or the list of currency Currency Type etc., this list comprises a plurality of data messages and an alphabetic item, this mobile terminal is provided with a set, the initial content of this set is all those data messages, and this viewing area is used for showing the current all data messages of this set.See Fig. 3, on its touch-screen, show a city list, on the viewing area of this touch-screen, show data messages all in this city list, and those data messages according to the first letter of pinyin of data message first character, the clooating sequence by A to Z shows successively.
When the current display interface content of this touch-screen is list, this load module 2 receives the input of the first gesture on this viewing area, on the data message that the track Overlapping display that this first gesture produces shows in this viewing area, this track display is translucent, and this track display is cancelled after one time period automatically.
The first original character that this memory module 3 forms for preserving this first gesture, this processing module 4 for by size unification to standard size of this first original character to obtain one first standard character.
This identification module 5 is for passing through this first standard character of BP neural network recognization, when this first standard character is letter, this chooses module 6 for choosing the alphabetic item letter identical with this first standard character of this list, so that this viewing area shows the data message that first letter of pinyin that the initial of data message in the data message of this list is the first character of this first standard character and data message is this first standard character.
Shown in figure 4, the present embodiment also provides a kind of list information search method, and it utilizes above-mentioned mobile terminal to realize, and this list information search method comprises the following steps:
Step 101, when current display interface content is this list, this mobile terminal receives the input of the first gesture on this viewing area;
Step 102, this mobile terminal are preserved the first original character that this first gesture forms;
Step 103, this mobile terminal by size unification to standard size of this first original character to obtain one first standard character;
Step 104, this mobile terminal, by this first standard character of BP neural network recognization, if this first standard character is letter, enter step 105, if this first standard character is not letter, process ends;
Step 105, this mobile terminal are chosen letter identical with this first standard character in the alphabetic item of this list, so that this viewing area shows the data message that first letter of pinyin that the initial of data message in the data message of this list is the first character of this first standard character and data message is this first standard character, process ends.
For a concrete example, illustrate the present invention below, to enable those skilled in the art to understanding better technical scheme of the present invention:
If user wants to find out " Qiao Qiao " in the address list of a mobile phone, user is when the current display interface content of handset touch panel is address list, user utilizes finger to mark a gesture on the viewing area of current display interface, this load module 2 receives the input of this gesture, and on the data message that the track Q Overlapping display of this gesture generation is shown in this viewing area, the interface sectional drawing on the left side shown in Fig. 5 has just demonstrated this track Q.Thereafter, this memory module 3 is preserved the original character that this gesture forms, this processing module 4 for example, by size unification to standard size (30mm * 35mm) of this original character to obtain a standard character, be the character Q of 30mm * 35mm size, this identification module 5 is by this standard character of BP neural network recognization Q, and identifying this standard character is alphabetical Q, this chooses module 6 to choose alphabetical Q identical with this standard character in the alphabetic item of this address list, the interface sectional drawing on the right shown in Figure 5, alphabetical Q in its right side alphabetic item is selected, thereby this mobile terminal makes this viewing area show that the initial of data message in the data message of this address list is the data message that the first letter of pinyin of the first character of alphabetical Q and data message is alphabetical Q, what be that viewing area in interface, the right sectional drawing of Fig. 5 shows is all that initial is the data message that the first letter of pinyin of alphabetical Q and first character is alphabetical Q, in the data message that wherein this viewing area shows, the data message of the second row is " Qiao Qiao ".
In the present embodiment, the initial (capitalization English letter) of user's handwriting input morpheme to be retrieved on viewing area, cell phone system can identify and automatically redirect navigate to and take the corresponding list interface that this letter is initial, precision and the efficiency of information retrieval have greatly been improved, for user search brings great convenience.
Embodiment 2
As shown in Figure 6, the mobile phone of the present embodiment not only comprises all parts in embodiment 1, also comprises a screening module 7, a update module 8 and an increment module 9.
The mobile phone of the present embodiment not only has retrieves and locates the function of desired data information by initial in embodiment 1, also has following functions: from the data message of being retrieved and being oriented by initial, further filter out more accurate data message.
Specifically describe this mobile terminal below and realize the technical scheme of this what's new:
Set i=1: this load module 2 for again receiving the input of i gesture by this viewing area after receiving this first gesture;
This memory module 3 is for preserving formed i the original character of this i gesture;
This processing module 4 for by the size unification of this i original character to this standard size to obtain an i standard character;
This identification module 5 is for passing through this i standard character of BP neural network recognization, when this i standard character is letter, this screening module 7 is for filtering out the data message that the first letter of pinyin of j the word that j letter of data message is this i standard alphabet and data message is this i standard alphabet from this set, this update module 8 is for being updated to the data message of this set the up-to-date data message filtering out, and show the current all data messages in this set, wherein j=i+1 by this viewing area;
This increment module 9 is for the numerical value of i is increased to 1, and calls this load module 2.
The workflow that this mobile terminal is realized this what's new is:
Set i=1, after step 105, comprise the following steps:
Step 106, this mobile terminal receive the input of i gesture again by this viewing area;
Step 107, this mobile terminal are preserved formed i the original character of this i gesture;
Step 108, this mobile terminal by the size unification of this i original character to this standard size to obtain an i standard character;
Step 109, this mobile terminal are by this i standard character of BP neural network recognization, when this i standard character is letter, the data message that the first letter of pinyin that j the letter that filters out data message from this set is j word of this i standard alphabet and data message is this i standard alphabet, wherein j=i+1;
Step 110, this mobile terminal are updated to the up-to-date data message filtering out by the data message in this set, and show the current all data messages in this set by this viewing area;
Step 111, the numerical value of i is increased to 1, and again perform step 106.
The example of retrieving for a list information search method of utilizing the present embodiment below.For example, if user wants to find out " Shenyang " this city name in the city list of a mobile phone, Figure 7 shows that five interface sectional drawings at city list interface in mobile phone, according to order from left to right and from top to bottom, these five interface sectional drawings are respectively the first interface sectional drawing, second contact surface sectional drawing, the 3rd interface sectional drawing, the 4th interface sectional drawing and the 5th interface sectional drawing, user is when the current display interface content of handset touch panel is city list (seeing the first interface sectional drawing in Fig. 7), user utilizes finger to mark a gesture on the viewing area of current display interface, this load module 2 receives the input of this gesture, and the track S Overlapping display that this gesture is produced is on the data message of this viewing area demonstration, second contact surface sectional drawing shown in Fig. 7 has just demonstrated this track S.
Thereafter, this memory module 3 is preserved the original character that this gesture forms, this processing module 4 for example, by size unification to standard size (30mm * 35mm) of this original character to obtain a standard character, be the character S of 30mm * 35mm size, this identification module 5 is by this standard character of BP neural network recognization S, and identifying this standard character is alphabetical S, this chooses module 6 to choose alphabetical S identical with this standard character in the alphabetic item of this city list, the 3rd interface sectional drawing shown in Figure 7, alphabetical S in its right side alphabetic item is selected, thereby this mobile terminal makes this viewing area show that the initial of data message in the data message of this city list is the data message that the first letter of pinyin of the first character of alphabetical S and data message is alphabetical S.
Then, user utilizes finger again to mark a gesture on the viewing area of current display interface, this load module 2 receives the input of this gesture, and on the data message that the track Y Overlapping display of this gesture generation is shown in this viewing area, the 4th interface sectional drawing shown in Fig. 7 has just demonstrated this track Y.
Thereafter, this memory module 3 is preserved the original character that this gesture forms, this processing module 4 by the size unification of this original character to this standard size to obtain a standard character, be the character Y of 30mm * 35mm size, this identification module 5 is by this standard character of BP neural network recognization Y, and identifying this standard character is alphabetical Y, from current display interface, to filter out the 2nd letter of data message be the data message that the first letter of pinyin of the 2nd word of alphabetical Y and data message is alphabetical Y to this screening module 7, and the data message (seeing the 5th interface sectional drawing in Fig. 7) filtering out by this viewing area demonstration, " Sanya " and " Shenyang " these two city names on the viewing area of current display interface, have been shown, thereby find out very efficiently city name " Shenyang ".
Each functional module in the present invention all can be realized in conjunction with existing software programming means under existing hardware condition, therefore its concrete methods of realizing is not all repeated at this.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present invention and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection scope of the present invention.

Claims (8)

1. the list information search method of a mobile terminal, this mobile terminal comprises a touch-screen and stores a list, this list comprises a plurality of data messages and an alphabetic item, this mobile terminal is provided with a set, the initial content of this set is all those data messages, this touch-screen comprises that one for showing the viewing area of the current all data messages of this set, when letter in this alphabetic item being detected is selected, it is this alphabetical data message that data message in this set is updated to the first letter of pinyin that initial is this letter and first character, it is characterized in that, this list information search method comprises the following steps:
S 1, when current display interface content is this list, this mobile terminal receives the input of the first gesture on this viewing area;
S 2, this mobile terminal preserves the first original character that this first gesture forms;
S 3, this mobile terminal by size unification to standard size of this first original character to obtain one first standard character;
S 4, this mobile terminal is by this first standard character of BP neural network recognization, if this first standard character be alphabetical, enters step S 5if this first standard character is not letter, enters step S 6;
S 5, this mobile terminal chooses letter identical with this first standard character in the alphabetic item of this list;
S 6, process ends.
2. list information search method as claimed in claim 1, is characterized in that, sets i=1, step S 6comprise the following steps afterwards:
S 7, this mobile terminal receives the input of i gesture again by this viewing area;
S 8, this mobile terminal preserves formed i the original character of this i gesture;
S 9, this mobile terminal by the size unification of this i original character to this standard size to obtain an i standard character;
S 10, this mobile terminal is by this i standard character of BP neural network recognization, when this i standard character is letter, the data message that the first letter of pinyin that j the letter that filters out data message from this set is j word of this i standard alphabet and data message is this i standard alphabet, wherein j=i+1;
S 11, this mobile terminal is updated to the up-to-date data message filtering out by the data message in this set, and shows the current all data messages in this set by this viewing area;
S 12, the numerical value of i is increased to 1, and again carry out S 7.
3. list information search method as claimed in claim 2, is characterized in that, this mobile terminal shows by this viewing area the track that each gesture generates.
4. list information search method as claimed in claim 3, it is characterized in that, a time period on the data message that each track Overlapping display shows in this viewing area, each track display is translucent, and this time period is less than the time interval that this mobile terminal receives former and later two gestures.
5. a mobile terminal, it comprises a touch-screen and stores a list, this list comprises a plurality of data messages and an alphabetic item, this mobile terminal is provided with a set, the initial content of this set is all those data messages, this touch-screen comprises that one for showing the viewing area of the current all data messages of this set, when letter in this alphabetic item being detected is selected, it is this alphabetical data message that data message in this set is updated to the first letter of pinyin that initial is this letter and first character, it is characterized in that, this mobile terminal comprises a load module, one memory module, one processing module, one identification module and one is chosen module,
This load module, for when current display interface content is this list, receives the input of the first gesture on this viewing area;
The first original character that this memory module forms for preserving this first gesture;
This processing module is used for size unification to standard size of this first original character to obtain one first standard character;
This identification module is for passing through this first standard character of BP neural network recognization, and when this first standard character is letter, this chooses module for choosing the alphabetic item letter identical with this first standard character of this list.
6. mobile terminal as claimed in claim 5, is characterized in that, this mobile terminal also comprises a screening module, a update module and an increment module;
Set i=1: this load module for again receiving the input of i gesture by this viewing area after receiving this first gesture;
This memory module is used for preserving formed i the original character of this i gesture;
This processing module for by the size unification of this i original character to this standard size to obtain an i standard character;
This identification module is for passing through this i standard character of BP neural network recognization, when this i standard character is letter, this screening module is for filtering out the data message that the first letter of pinyin of j the word that j letter of data message is this i standard alphabet and data message is this i standard alphabet from this set, this update module is for being updated to the up-to-date data message filtering out by the data message of this set, and show the current all data messages in this set, wherein j=i+1 by this viewing area;
This increment module is used for the numerical value of i to increase by 1, and calls this load module.
7. mobile terminal as claimed in claim 6, is characterized in that, this mobile terminal also comprises a display module, and this display module is for showing the track that each gesture generates by this viewing area.
8. mobile terminal as claimed in claim 7, it is characterized in that, a time period on the data message that each track Overlapping display shows in this viewing area, each track display is translucent, and this time period is less than the time interval that this load module receives former and later two gestures.
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CN106845439A (en) * 2017-02-13 2017-06-13 深圳市华第时代科技有限公司 The recognition methods of mouse gestures and device
CN110196635A (en) * 2019-04-28 2019-09-03 浙江大学 A kind of gesture input method based on wearable device

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