CN104268119A - Mathematical formula calculator including touch screen and method for inputting mathematical formulas - Google Patents
Mathematical formula calculator including touch screen and method for inputting mathematical formulas Download PDFInfo
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- CN104268119A CN104268119A CN201410489907.9A CN201410489907A CN104268119A CN 104268119 A CN104268119 A CN 104268119A CN 201410489907 A CN201410489907 A CN 201410489907A CN 104268119 A CN104268119 A CN 104268119A
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Abstract
The invention discloses a mathematical formula calculator including a touch screen and a method for inputting mathematical formulas, and relates to the technical field of inputting of mathematical formulas. The method comprises the steps of: obtaining touch operation of a user at a first position on the touch screen, and generating a touch track according to the touch operation; according to the touch track information, obtaining mathematical formula information, converting the mathematical formula information input by a user in a handwriting manner into a preset text format, and presenting converted mathematical formula text information at a second position on the touch screen; obtaining replacement operation executed by the user with respect to the touch track; according to a replacement operation track generated by the replacement operation, adjusting the mathematical formula text information after conversion, and generating second mathematical formula text information; presenting the second mathematical formula text information. According to the mathematical formula calculator including the touch screen and the method for inputting mathematical formulas, input and identification efficiencies of the handwriting mathematical formulas are improved, and consequently work efficiency of mathematical workers and user experience of calculator users are improved.
Description
Technical field
The present invention relates to mathematical formulae input field, particularly relate to a kind of comprise touch-screen mathematical expression counter and the method for mathematical formulae input.
Background technology
Along with the arrival in scientific and technical information epoch, the equipment convenience of people to computer realm proposes more and more higher requirement.For mathematics practitioner, usually need input or operation mathematical formulae on smart machine.Although counter and the input equipment of the support such as panel computer, touch-screen mobile phone handwriting functions are quite universal, and become the infotech instrument used in everyday of people gradually, but often by finger or felt pen etc., relevant mathematics functional symbol is clicked on current input tool to its operation, by the formula that specific input step input is corresponding.The mathematics efficiency causing mathematical formulae is thus lower, poor user experience.
Have based on this, in prior art, provide a kind of technology of handwritten mathematical expression identification, namely in the computing platform supporting handwriting input, realize the input of mathematical formulae, identification and calculating by handwritten mathematical expression.In the art, recognition accuracy, recognition speed and identification range are used to the parameter assessing mathematical formulae recognition function, but because hand-written character deformation range is comparatively large and the complicacy of formula structure, even if so in limited identification range, its recognition accuracy is not high yet, cause identifying processing speed comparatively slow, thus input speed is slower simultaneously.Existing system identification accuracy is not high, and it is all the factor seriously hindering handwritten mathematical expression identification input system to develop that recognition speed crosses slow grade.
Be limited to above-mentioned factor, the function that the editor that existing handwritten mathematical expression identification intelligent equipment provides, conversion or calculating etc. combine with identification is perfect not, one that wrongly writes expression formula, just must all again write; Or some smart machine supports word for word identifies input, after needing to wait this word identifying user's input, then wait for that user inputs other word, this other word could be identified again.So, cause the input of mathematic(al) representation, identifying operation convenient and swift not, the efficiency that input identifies is lower, has had a strong impact on work efficiency and the Consumer's Experience of mathematics worker.
Summary of the invention
For the problems referred to above, embodiments provide a kind of comprise touch-screen mathematical expression counter and the method for mathematical formulae input, be intended to solve handwritten mathematical expression input recognition efficiency in prior art low, cause the technical matters of mathematics worker inefficiency and poor user experience thus.
For achieving the above object, embodiments provide a kind of input method of mathematical formulae, be applied to the mathematical expression counter comprising touch-screen, described method comprises:
Obtain the touch operation in the primary importance of user on described touch-screen, and generate touch track according to described touch operation; Wherein, described touch operation is the touch operation of user's handwriting input mathematical formulae information; Described touch track is the track that the multiple touch points of the primary importance of described touch operation on described touch-screen generate, for the mathematical formulae information of described user's handwriting input on described touch-screen in present condition;
According to described touch track information, obtain described mathematical formulae information, the mathematical formulae information of described user's handwriting input be converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message;
Obtain the replacement operation that user performs described touch track; Described replacement operation is for generating the replacement information of described touch track, and described replacement information is used for correctly presenting described mathematical formulae information;
According to the replacement operation track that described replacement operation generates, adjust the mathematical formulae text message after described conversion, generate the second mathematical formulae text message;
Present described second mathematical formulae text message.
Further, the replacement operation that described acquisition user performs described touch track, comprising: obtain the frame selection operation that user carries out described touch mark, and described frame selection operation is used for carrying out local frame to described touch track and selects and revise; According to described frame selection operation, obtain the frame of user in described frame favored area and select replacement information, described frame selects replacement information for replacing the replacement information in described frame selection operation region.
Further, obtaining the touch operation in the primary importance of user on described touch-screen, and when generating touch track according to described touch operation, described method also comprises: according to described touch track, generate candidate's mathematical formulae information, and present described candidate's mathematical formulae information in the second place of described touch-screen.
Further, after presenting described second mathematical formulae text message, described method also comprises: obtain the alter operation that user changes order of operation; Described alter operation is for adjusting the mathematical formulae order of operation of described second mathematical formulae text message.
Further, after presenting described second mathematical formulae text message, described method also comprises: when described mathematic(al) representation comprises numerical value and operational symbol, runs described second mathematical formulae text message, and presents operation result in the second place of described touch-screen.
The embodiment of the present invention additionally provides a kind of mathematical expression counter comprising touch-screen, and described counter comprises:
First input block, for obtaining the touch operation in the primary importance of user on described touch-screen, and generates touch track according to described touch operation; Wherein, described touch operation is the touch operation of user's handwriting input mathematical formulae information; Described touch track is the track that the multiple touch points of the primary importance of described touch operation on described touch-screen generate, for the mathematical formulae information of described user's handwriting input on described touch-screen in present condition;
Conversion display unit, for according to described touch track information, obtain described mathematical formulae information, the mathematical formulae information of described user's handwriting input be converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message;
Second input block, for obtaining the replacement operation that user performs described touch track; Described replacement operation is for generating the replacement information of described touch track, and described replacement information is used for correctly presenting described mathematical formulae information;
Adjustment unit, for the replacement operation track generated according to described replacement operation, adjusts the mathematical formulae text message after described conversion, generates the second mathematical formulae text message;
Display unit, for presenting described second mathematical formulae text message.
Further, described second input block specifically for, obtain the frame selection operation that carries out described touch mark of user, described frame selection operation is used for carrying out local frame to described touch track and selects and revise; According to described frame selection operation, obtain the frame of user in described frame favored area and select replacement information, described frame selects replacement information for replacing the replacement information in described frame selection operation region.
Further, described counter also comprises candidate generation unit, described candidate generation unit is used for, the touch operation in the primary importance of user on described touch-screen is obtained at described first input block, and when generating touch track according to described touch operation, according to described touch track, generate candidate's mathematical formulae information, and present described candidate's mathematical formulae information in the second place of described touch-screen.
Further, described counter also comprises the 3rd input block, and described 3rd acquiring unit is used for, and after described display unit presents described second mathematical formulae text message, obtains the alter operation that user changes order of operation; Described alter operation is for adjusting the mathematical formulae order of operation of described second mathematical formulae text message.
Further, described counter also comprises arithmetic element, described arithmetic element is used for, after described display unit presents described second mathematical formulae text message, when described mathematic(al) representation comprises numerical value and operational symbol, run described second mathematical formulae text message, and present operation result in the second place of described touch-screen.
Compared with prior art, embodiments provide a kind of comprise touch-screen mathematical expression counter and the method for mathematical formulae input, by obtaining the touch operation in the primary importance of user on described touch-screen, and generate touch track according to described touch operation; According to described touch track information, obtain described mathematical formulae information, the mathematical formulae information of described user's handwriting input be converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message; Obtain the replacement operation that user performs described touch track; According to the replacement operation track that described replacement operation generates, adjust the mathematical formulae text message after described conversion, generate the second mathematical formulae text message; Present described second mathematical formulae text message.The embodiment of the present invention improves handwritten mathematical expression input recognition efficiency, and causes the Consumer's Experience of mathematics worker work efficiency and this calculator device user thus.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the input method of a kind of mathematical formulae that the embodiment of the present invention provides;
Fig. 2 is a kind of structural representation comprising the mathematical expression counter of touch-screen that the embodiment of the present invention provides;
Fig. 3 is a kind of structural representation comprising the mathematical expression counter of touch-screen that the embodiment of the present invention provides;
Fig. 4 is the process flow diagram of the input method of a kind of mathematical formulae that the embodiment of the present invention provides;
Fig. 5 is the process flow diagram of the input method of a kind of mathematical formulae that the embodiment of the present invention provides.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, Fig. 1 is the process flow diagram of the input method of a kind of mathematical formulae that the embodiment of the present invention provides, and described method can be applicable to the mathematical expression counter comprising touch-screen.Described method comprises:
S101, obtains the touch operation in the primary importance of user on described touch-screen, and generates touch track according to described touch operation; Wherein, described touch operation is the touch operation of user's handwriting input mathematical formulae information; Described touch track is the track that the multiple touch points of the primary importance of described touch operation on described touch-screen generate, for the mathematical formulae information of described user's handwriting input on described touch-screen in present condition;
S102, according to described touch track information, obtains described mathematical formulae information, the mathematical formulae information of described user's handwriting input is converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message;
S103, obtains the replacement operation that user performs described touch track; Described replacement operation is for generating the replacement information of described touch track, and described replacement information is used for correctly presenting described mathematical formulae information;
S104, according to the replacement operation track that described replacement operation generates, adjusts the mathematical formulae text message after described conversion, generates the second mathematical formulae text message;
S105, presents described second mathematical formulae text message.
Embodiments providing the method for a kind of mathematical formulae input, by obtaining the touch operation in the primary importance of user on described touch-screen, and generating touch track according to described touch operation; According to described touch track information, obtain described mathematical formulae information, the mathematical formulae information of described user's handwriting input be converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message; Obtain the replacement operation that user performs described touch track; According to the replacement operation track that described replacement operation generates, adjust the mathematical formulae text message after described conversion, generate the second mathematical formulae text message; Present described second mathematical formulae text message.The embodiment of the present invention improves handwritten mathematical expression input recognition efficiency, and causes the Consumer's Experience of mathematics worker work efficiency and this calculator device user thus.
Improve further as the present invention, the replacement operation that described acquisition user performs described touch track, comprising: obtain the frame selection operation that user carries out described touch mark, described frame selection operation is used for carrying out local frame to described touch track and selects and revise; According to described frame selection operation, obtain the frame of user in described frame favored area and select replacement information, described frame selects replacement information for replacing the replacement information in described frame selection operation region.
Improve further as the present invention, obtaining the touch operation in the primary importance of user on described touch-screen, and when generating touch track according to described touch operation, described method also comprises: according to described touch track, generate candidate's mathematical formulae information, and present described candidate's mathematical formulae information in the second place of described touch-screen.
Improve further as the present invention, after presenting described second mathematical formulae text message, described method also comprises: obtain the alter operation that user changes order of operation; Described alter operation is for adjusting the mathematical formulae order of operation of described second mathematical formulae text message.
Improve further as the present invention, after presenting described second mathematical formulae text message, described method also comprises: when described mathematic(al) representation comprises numerical value and operational symbol, runs described second mathematical formulae text message, and presents operation result in the second place of described touch-screen.
Improve further as the present invention, the mathematical formulae input method described in the embodiment of the present invention specifically can with reference to the method flow described in figure 4 and/or Fig. 5.The schematic flow sheet of a kind of mathematical formulae input method that Fig. 4 provides for the embodiment of the present invention; The schematic flow sheet of the another kind of mathematical formulae input method that Fig. 5 provides for the embodiment of the present invention.
As shown in Figure 2, Fig. 1 is a kind of structural representation comprising the mathematical expression counter of touch-screen that the embodiment of the present invention provides, and described counter comprises:
First input block 201, for obtaining the touch operation in the primary importance of user on described touch-screen, and generates touch track according to described touch operation; Wherein, described touch operation is the touch operation of user's handwriting input mathematical formulae information; Described touch track is the track that the multiple touch points of the primary importance of described touch operation on described touch-screen generate, for the mathematical formulae information of described user's handwriting input on described touch-screen in present condition;
Conversion display unit 202, for according to described touch track information, obtain described mathematical formulae information, the mathematical formulae information of described user's handwriting input be converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message;
Second input block 203, for obtaining the replacement operation that user performs described touch track; Described replacement operation is for generating the replacement information of described touch track, and described replacement information is used for correctly presenting described mathematical formulae information;
Adjustment unit 204, for the replacement operation track generated according to described replacement operation, adjusts the mathematical formulae text message after described conversion, generates the second mathematical formulae text message;
Display unit 205, for presenting described second mathematical formulae text message.
Embodiments provide a kind of mathematical expression counter comprising touch-screen, obtain the touch operation in the primary importance of user on described touch-screen by the first input block 201, and generate touch track according to described touch operation; Conversion display unit 202 is according to described touch track information, obtain described mathematical formulae information, the mathematical formulae information of described user's handwriting input is converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message; Second input block 203 obtains the replacement operation that user performs described touch track; The replacement operation track that adjustment unit 204 generates according to described replacement operation, adjusts the mathematical formulae text message after described conversion, generates the second mathematical formulae text message; Display unit 205 presents described second mathematical formulae text message.The embodiment of the present invention improves handwritten mathematical expression input recognition efficiency, and causes the Consumer's Experience of mathematics worker work efficiency and this calculator device user thus.
Improve further as the present invention, described second input block specifically for, obtain the frame selection operation that carries out described touch mark of user, described frame selection operation is used for carrying out local frame to described touch track and selects and revise; According to described frame selection operation, obtain the frame of user in described frame favored area and select replacement information, described frame selects replacement information for replacing the replacement information in described frame selection operation region.
Improve further as the present invention, described counter also comprises candidate generation unit, described candidate generation unit is used for, the touch operation in the primary importance of user on described touch-screen is obtained at described first input block, and when generating touch track according to described touch operation, according to described touch track, generate candidate's mathematical formulae information, and present described candidate's mathematical formulae information in the second place of described touch-screen.
Improve further as the present invention, described counter also comprises the 3rd input block, and described 3rd acquiring unit is used for, and after described display unit presents described second mathematical formulae text message, obtains the alter operation that user changes order of operation; Described alter operation is for adjusting the mathematical formulae order of operation of described second mathematical formulae text message.
Improve further as the present invention, described counter also comprises arithmetic element, described arithmetic element is used for, after described display unit presents described second mathematical formulae text message, when described mathematic(al) representation comprises numerical value and operational symbol, run described second mathematical formulae text message, and present operation result in the second place of described touch-screen.
As the optional mode of the present invention, described counter also for having the intelligent terminal of computing function, can not limit this present invention.
As shown in Figure 3, the structural representation of a kind of entity apparatus that Fig. 3 provides for the embodiment of the present invention, described counter comprises touch-screen 301, processor 302 and storer 303; Described touch-screen is connected with processor described in 301 302; Described processor 302 is connected with described storer 303.Wherein, described touch-screen can be the hardware of integrated display.Described storer is for storing application program, and described processor runs the working procedure in described storer, performs step as the method for figure 1.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (10)
1. an input method for mathematical formulae, be applied to the mathematical expression counter comprising touch-screen, it is characterized in that, described method comprises:
Obtain the touch operation in the primary importance of user on described touch-screen, and generate touch track according to described touch operation; Wherein, described touch operation is the touch operation of user's handwriting input mathematical formulae information; Described touch track is the track that the multiple touch points of the primary importance of described touch operation on described touch-screen generate, for the mathematical formulae information of described user's handwriting input on described touch-screen in present condition;
According to described touch track information, obtain described mathematical formulae information, the mathematical formulae information of described user's handwriting input be converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message;
Obtain the replacement operation that user performs described touch track; Described replacement operation is for generating the replacement information of described touch track, and described replacement information is used for correctly presenting described mathematical formulae information;
According to the replacement operation track that described replacement operation generates, adjust the mathematical formulae text message after described conversion, generate the second mathematical formulae text message;
Present described second mathematical formulae text message.
2. the input method of a kind of mathematical formulae according to claim 1, it is characterized in that, the replacement operation that described acquisition user performs described touch track, comprise: obtain the frame selection operation that user carries out described touch mark, described frame selection operation is used for carrying out local frame to described touch track and selects and revise; According to described frame selection operation, obtain the frame of user in described frame favored area and select replacement information, described frame selects replacement information for replacing the replacement information in described frame selection operation region.
3. the input method of a kind of mathematical formulae according to claim 1 and 2, it is characterized in that, obtaining the touch operation in the primary importance of user on described touch-screen, and when generating touch track according to described touch operation, described method also comprises: according to described touch track, generate candidate's mathematical formulae information, and present described candidate's mathematical formulae information in the second place of described touch-screen.
4. according to the input method of the arbitrary described a kind of mathematical formulae of claim 1-3, it is characterized in that, after presenting described second mathematical formulae text message, described method also comprises: obtain the alter operation that user changes order of operation; Described alter operation is for adjusting the mathematical formulae order of operation of described second mathematical formulae text message.
5. according to the input method of the arbitrary described a kind of mathematical formulae of claim 1-4, it is characterized in that, after presenting described second mathematical formulae text message, described method also comprises: when described mathematic(al) representation comprises numerical value and operational symbol, run described second mathematical formulae text message, and present operation result in the second place of described touch-screen.
6. comprise a mathematical expression counter for touch-screen, it is characterized in that, described counter comprises:
First input block, for obtaining the touch operation in the primary importance of user on described touch-screen, and generates touch track according to described touch operation; Wherein, described touch operation is the touch operation of user's handwriting input mathematical formulae information; Described touch track is the track that the multiple touch points of the primary importance of described touch operation on described touch-screen generate, for the mathematical formulae information of described user's handwriting input on described touch-screen in present condition;
Conversion display unit, for according to described touch track information, obtain described mathematical formulae information, the mathematical formulae information of described user's handwriting input be converted to default text formatting, and the second place on described touch-screen present conversion after mathematical formulae text message;
Second input block, for obtaining the replacement operation that user performs described touch track; Described replacement operation is for generating the replacement information of described touch track, and described replacement information is used for correctly presenting described mathematical formulae information;
Adjustment unit, for the replacement operation track generated according to described replacement operation, adjusts the mathematical formulae text message after described conversion, generates the second mathematical formulae text message;
Display unit, for presenting described second mathematical formulae text message.
7. a kind of mathematical expression counter comprising touch-screen according to claim 6, it is characterized in that, described second input block specifically for, obtain the frame selection operation that carries out described touch mark of user, described frame selection operation is used for carrying out local frame to described touch track and selects and revise; According to described frame selection operation, obtain the frame of user in described frame favored area and select replacement information, described frame selects replacement information for replacing the replacement information in described frame selection operation region.
8. a kind of mathematical expression counter comprising touch-screen according to claim 6 or 7, it is characterized in that, described counter also comprises candidate generation unit, described candidate generation unit is used for, the touch operation in the primary importance of user on described touch-screen is obtained at described first input block, and when generating touch track according to described touch operation, according to described touch track, generate candidate's mathematical formulae information, and present described candidate's mathematical formulae information in the second place of described touch-screen.
9. according to the arbitrary described a kind of mathematical expression counter comprising touch-screen of claim 6-8, it is characterized in that, described counter also comprises the 3rd input block, described 3rd acquiring unit is used for, after described display unit presents described second mathematical formulae text message, obtain the alter operation that user changes order of operation; Described alter operation is for adjusting the mathematical formulae order of operation of described second mathematical formulae text message.
10. according to the arbitrary described a kind of mathematical expression counter comprising touch-screen of claim 6-9, it is characterized in that, described counter also comprises arithmetic element, described arithmetic element is used for, after described display unit presents described second mathematical formulae text message, when described mathematic(al) representation comprises numerical value and operational symbol, run described second mathematical formulae text message, and present operation result in the second place of described touch-screen.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861673A (en) * | 2017-06-27 | 2018-03-30 | 陆金所（上海）科技服务有限公司 | Pull pattern input method, device and computer-readable recording medium |
| CN110765735A (en) * | 2019-09-25 | 2020-02-07 | 联想(北京)有限公司 | Mathematical expression input method and device and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799796A (en) * | 2010-03-25 | 2010-08-11 | 深圳市同洲电子股份有限公司 | Touch-screen calculator and method thereof for performing multi-step operation on input data |
| CN101996029A (en) * | 2009-08-24 | 2011-03-30 | 北京三星通信技术研究有限公司 | Handwritten mathematical expression recognition and editing device and method thereof |
| US20140006941A1 (en) * | 2012-06-28 | 2014-01-02 | Texas Instruments Incorporated | Method, system and computer program product for editing a displayed rendering of symbols |
| CN103810493A (en) * | 2012-11-06 | 2014-05-21 | 夏普株式会社 | Method and apparatus for identifying mathematical formula |
-
2014
- 2014-09-23 CN CN201410489907.9A patent/CN104268119A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996029A (en) * | 2009-08-24 | 2011-03-30 | 北京三星通信技术研究有限公司 | Handwritten mathematical expression recognition and editing device and method thereof |
| CN101799796A (en) * | 2010-03-25 | 2010-08-11 | 深圳市同洲电子股份有限公司 | Touch-screen calculator and method thereof for performing multi-step operation on input data |
| US20140006941A1 (en) * | 2012-06-28 | 2014-01-02 | Texas Instruments Incorporated | Method, system and computer program product for editing a displayed rendering of symbols |
| CN103810493A (en) * | 2012-11-06 | 2014-05-21 | 夏普株式会社 | Method and apparatus for identifying mathematical formula |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861673A (en) * | 2017-06-27 | 2018-03-30 | 陆金所（上海）科技服务有限公司 | Pull pattern input method, device and computer-readable recording medium |
| CN110765735A (en) * | 2019-09-25 | 2020-02-07 | 联想(北京)有限公司 | Mathematical expression input method and device and electronic equipment |
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