CN101893987A - Handwriting input method of electronic equipment - Google Patents
Handwriting input method of electronic equipment Download PDFInfo
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- CN101893987A CN101893987A CN 201010193169 CN201010193169A CN101893987A CN 101893987 A CN101893987 A CN 101893987A CN 201010193169 CN201010193169 CN 201010193169 CN 201010193169 A CN201010193169 A CN 201010193169A CN 101893987 A CN101893987 A CN 101893987A
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Abstract
The invention provides a handwriting input method of electronic equipment, comprising the following steps: receiving handwriting input of a user on an input interface; recognizing the handwriting input of the user through recognition engines; and showing a recognition result on the input interface. The input interface is partitioned into at least two input sub-regions, and each input sub-region corresponds to different recognition engines; and when the user carries out handwriting operations in different input sub-regions, the corresponding recognition engines are adopted for recognition of the handwriting input. In the invention, the handwriting operation is carried out in different regions of the same screen so as to distinguish the interface designs of different target sets, and the different target sets call the recognition engines with different parameters, thus improving the overall recognition rate of character sets, reducing operations required for frequently switching over the target sets, and greatly increasing user experience.
Description
Technical field
The invention belongs to the handwriting input field of electronic recognition.
Background technology
The handwriting input of electronic equipment generally is meant the touch-screen writing words of user by electronic equipments such as portable terminal (such as mobile phone, PDA, panel computer, GPS terminal etc.), simultaneously portable terminal is discerned the character calligraph track that collects, and is converted to corresponding literal and is presented on the screen.The identification of plurality of target collection is generally all supported in these handwriting inputs, generally includes Chinese character, capital and small letter English alphabet, numeral and punctuation mark etc.At the identification of multiple goal collection, the method that traditional hand-writing input method uses has two kinds usually, and first kind is to write same writing in the scope of interface, uses the same recognition engine that can discern all object sets to discern then; Second kind is by the button on the screen recognition objective collection to be set, and the recognition objective collection that recognition engine is set then is that corresponding target label is discerned again.Use first method because there is certain similarity in some character between all types of target collection, cause mistake identification easily, make that the overall discrimination of letter, numeral and punctuation mark etc. is not high, thereby influenced the accuracy of user's input; Second method uses button or setup menu to change between the plurality of target collection usually, each object set discerned separately, though improved their overall discrimination, because frequent switching has also influenced speed and experience property that the user imports.
Summary of the invention
Not high, the complex operation of overall discrimination when the objective of the invention is to overcome existing handwriting input identification multiple goal collection character, the deficiency that user experience is not high are write the hand-written inputting method that multiple goal collection character has improved overall discrimination and reduced the troublesome operation step thereby provide a kind of with screen.
In order to realize the foregoing invention purpose, the technical scheme of employing is as follows:
A kind of hand-written inputting method of electronic equipment, by on inputting interface, receiving user's handwriting input, and user's handwriting input is discerned by recognition engine, recognition result is presented on inputting interface, described inputting interface is divided into two input subregions at least, the corresponding different recognition engine of each input subregion, when the user when different input subregions carries out hand-written operation, adopt pairing recognition engine to discern.
The present invention is by being divided into an inputting interface at least two input subregions, the corresponding different recognition engine of each input subregion, can adopt different recognition engine that handwriting input is discerned targetedly, identification quick and precisely, and because different subregions are all on same inputting interface, so needing to have avoided the frequent inconvenience of selecting recognition engine to bring again.
In the technique scheme, described recognition engine comprises two or more of Chinese Character Recognition engine, alphabetical recognition engine, digit recognition engine, punctuation mark recognition engine and gesture object set recognition engine, and described inputting interface is divided into two or more subregions accordingly.
Described inputting interface is divided into four input subregions, and each input subregion is corresponding Chinese Character Recognition engine, alphabetical recognition engine, digit recognition engine and punctuation mark recognition engine respectively.
Described alphabetical recognition engine comprises capitalization recognition engine and lowercase recognition engine, and corresponding with it input subregion also further is divided into two input subregions.
Further, described input area comprises five input subregions, comprise upper left subregion, upper right subregion, lower-left subregion, bottom right subregion and transregional subregion, described transregional subregion to the scope of user's handwriting input falls into more than at least two of other subregions at least.
Described upper left subregion, upper right subregion, lower-left subregion, bottom right subregion and transregional subregion be corresponding capitalization recognition engine, lowercase recognition engine, digit recognition engine, punctuation mark recognition engine and complete or collected works' recognition engine respectively, and described complete or collected works' recognition engine refers to all comprise other recognition engine.
When the present invention discerns user's handwriting input,,, thereby discern by the recognition engine of this input subregion correspondence with the input subregion of determining that this handwriting input falls into by the action of senses touch on inputting interface.
The action of described senses touch " pressing ", " moving " and " upspringing " when catching handwriting input are moved, to preserve from the coordinate points that " pressing " begins to obtain to " upspringing " process, and couple together with line segment and to be presented on the inputting interface, determine concrete input subregion according to this residing zone of connection line segment.
The present invention proposes a kind of zones of different in same screen writes to distinguish the INTERFACE DESIGN method of different target collection, different object sets calls the recognition engine of different parameters, both improved the overall discrimination of each character set, reduced again and frequently carried out the required operation of object set switching, thereby improved user experience greatly.
Description of drawings
Fig. 1 is that handwriting interface of the present invention is cut apart synoptic diagram;
Fig. 2 is the FB(flow block) of handwriting input identification of the present invention.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
Implement the used electronic equipment of the present invention and can adopt operation system of smart phone such as Google Android is installed, touch-screen with terminal carries out handwriting input, and utilize the screen display recognition result, and can adopt Java language and xml language to program, just can realize the present invention preferably.
Handwriting interface designs as shown in Figure 1, and whole solid box is (by (x
1, y
1), (x
3, y
1), (x
1, y
3) and (x
3, y
3) rectangle that surrounded) be the handwriting input zone with in, by in this zone, detecting the touch action of mobile terminal touch screen, catch " pressing ", " moving " and " upspringing " action, to preserve from the coordinate points that " pressing " begins to obtain to " upspringing " process, and couple together with line segment and to be presented on the screen, can realize the handwriting functions in the zone.The handwriting input zone further is divided into four sub regions, is respectively: the capitalization subregion, promptly by coordinate points (x1, y1), (x2, y1), (x1, y2) and (x2, the rectangle that y2) surrounds; The lowercase subregion, promptly by coordinate points (x2, y1), (x3, y1), (x2, y2) and (x3, the rectangle that y2) surrounds; The numeral subregion, promptly by coordinate points (x1, y2), (x2, y2), (x1, y3) and (x2, the rectangle that y3) surrounds; The punctuation mark subregion, promptly by coordinate points (x2, y2), (x3, y2), (x2, y3) and (x3, the rectangle that y3) surrounds.Judge by scope, thereby determine which subregion it belongs to the coordinate points of handwriting.
The idiographic flow of handwriting input of the present invention identification as shown in Figure 2, corresponding implementation step is as follows:
1, obtains all coordinate points of current handwriting;
2, judge the affiliated scope of all coordinate points.Be distributed in the capitalization subregion as coordinate points, promptly coordinate points is all at (x
1, y
1), (x
2, y
1), (x
1, y
2) and (x
2, y
2) in the rectangle that surrounded, then this handwriting is judged to and belongs to the capitalization object set; Be distributed in the lowercase subregion as coordinate points, promptly coordinate points is all at (x
2, y
1), (x
3, y
1), (x
2, y
2) and (x
3, y
2) in the rectangle that surrounded, then this handwriting is judged to and belongs to the lowercase object set; Be distributed in digital subregion as coordinate points, promptly coordinate points is all at (x
1, y
2), (x
2, y
2), (x
1, y
3) and (x
2, y
3) in the rectangle that surrounded, then this handwriting is judged to and belongs to the digital object collection; Be distributed in the punctuation mark subregion as coordinate points, promptly coordinate points is all at (x
2, y
2), (x
3, y
2), (x
2, y
3) and (x
3, y
3) in the rectangle that surrounded, then this handwriting is judged to and belongs to the punctuation mark object set; If coordinate points is distributed in the plural zone of four sub regions, then this handwriting is judged to and belongs to full object set.
3, the recognition objective collection of recognition engine is set according to affiliated object set.
4, discern processing and return results.
Present embodiment use South China Science ﹠ Engineering University's man-machine communication and the breadboard SCUT-COUCH of intelligence interface, 863 handwritten Chinese character databases, carry out following experiment respectively:
1,, carries out in same scope, writing employing the present invention useless and adopt the accuracy rate that the present invention obtained to compare for the capitalization character set;
2,, carry out in same scope, writing employing the present invention useless and adopt the accuracy rate that the present invention obtained to compare for the lowercase character set;
3,, carry out in same scope, writing employing the present invention useless and adopt the accuracy rate that the present invention obtained to compare for numeric character set;
4,, carry out in same scope, writing employing the present invention useless and adopt the accuracy rate that the present invention obtained to compare for punctuation mark character collection.
Following table has been listed the experimental result of above experiment:
| Character set | Do not adopt the present invention | Adopt the present invention | The mistake rate of descent |
| Capitalization | 72.68％ | 95.03％ | 81.81％ |
| Lowercase | 67.96％ | 96.79％ | 89.38％ |
| Numeral | 79.03％ | 98.19％ | 91.37％ |
| Punctuation mark | 70.44％ | 77.66％ | 24.09％ |
As seen from table, adopted hand-written regional boundary face method for designing of the present invention,, improved greatly for capitalization, small letter and digital recognition accuracy with shielding under the situation of writing in hand-written district, the mistake rate of descent is all more than 80%; Recognition accuracy for punctuation mark also obviously improves mistake rate of descent about 24%.
Claims (8)
1. the hand-written inputting method of an electronic equipment, by on inputting interface, receiving user's handwriting input, and user's handwriting input is discerned by recognition engine, recognition result is presented on inputting interface, it is characterized in that described inputting interface is divided into two input subregions at least, the corresponding different recognition engine of each input subregion, when the user when different input subregions carries out hand-written operation, adopt pairing recognition engine to discern.
2. the hand-written inputting method of electronic equipment according to claim 1, it is characterized in that described recognition engine comprises two or more of Chinese Character Recognition engine, alphabetical recognition engine, digit recognition engine, punctuation mark recognition engine and gesture object set recognition engine, and described inputting interface is divided into two or more subregions accordingly.
3. the hand-written inputting method of electronic equipment according to claim 1 and 2, it is characterized in that described inputting interface is divided into four input subregions, each input subregion is corresponding Chinese Character Recognition engine, alphabetical recognition engine, digit recognition engine and punctuation mark recognition engine respectively.
4. the hand-written inputting method of electronic equipment according to claim 3, it is characterized in that described alphabetical recognition engine comprises capitalization recognition engine and lowercase recognition engine, corresponding with it input subregion also further is divided into two input subregions.
5. the hand-written inputting method of electronic equipment according to claim 1 and 2, it is characterized in that described input area comprises five input subregions, comprise upper left subregion, upper right subregion, lower-left subregion, bottom right subregion and transregional subregion, described transregional subregion to the scope of user's handwriting input falls into more than at least two of other subregions at least.
6. the hand-written inputting method of electronic equipment according to claim 5, it is characterized in that described upper left subregion, upper right subregion, lower-left subregion, bottom right subregion and transregional subregion corresponding capitalization recognition engine, lowercase recognition engine, digit recognition engine, punctuation mark recognition engine and complete or collected works' recognition engine respectively, described complete or collected works' recognition engine refers to all comprise other recognition engine.
7. the hand-written inputting method of electronic equipment according to claim 1 and 2, when it is characterized in that user's handwriting input discerned, move by senses touch on inputting interface, with the input subregion of determining that this handwriting input falls into, thereby discern by the recognition engine of this input subregion correspondence.
8. the hand-written inputting method of electronic equipment according to claim 7, it is characterized in that the action of described senses touch " pressing ", " moving " and " upspringing " when catching handwriting input move, to preserve from the coordinate points that " pressing " begins to obtain to " upspringing " process, and couple together with line segment and to be presented on the inputting interface, determine concrete input subregion according to this residing zone of connection line segment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010193169 CN101893987A (en) | 2010-06-01 | 2010-06-01 | Handwriting input method of electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010193169 CN101893987A (en) | 2010-06-01 | 2010-06-01 | Handwriting input method of electronic equipment |
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| CN101893987A true CN101893987A (en) | 2010-11-24 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135838A (en) * | 2011-05-05 | 2011-07-27 | 汉王科技股份有限公司 | Method and system for partitioned input of handwritten character string |
| CN102156609A (en) * | 2010-12-10 | 2011-08-17 | 上海合合信息科技发展有限公司 | Overlap handwriting input method |
| CN102566923A (en) * | 2011-12-23 | 2012-07-11 | 汉王科技股份有限公司 | Touch control input method and device |
| CN102566933A (en) * | 2011-12-31 | 2012-07-11 | 广东步步高电子工业有限公司 | Method for effectively distinguishing command gestures and characters in full-screen handwriting |
| CN102629158A (en) * | 2012-02-29 | 2012-08-08 | 广东威创视讯科技股份有限公司 | Character input method and device on basis of touch screen system |
| CN105247540A (en) * | 2013-06-09 | 2016-01-13 | 苹果公司 | Managing real-time handwriting recognition |
| US10228846B2 (en) | 2016-06-12 | 2019-03-12 | Apple Inc. | Handwriting keyboard for screens |
| US10346035B2 (en) | 2013-06-09 | 2019-07-09 | Apple Inc. | Managing real-time handwriting recognition |
| CN112836542A (en) * | 2021-02-07 | 2021-05-25 | 深圳柔果信息科技有限公司 | Method, system and computer readable medium for practicing calligraphy based on dot matrix code |
| US11194467B2 (en) | 2019-06-01 | 2021-12-07 | Apple Inc. | Keyboard management user interfaces |
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| CN101515211A (en) * | 2008-02-22 | 2009-08-26 | 汉王科技股份有限公司 | Handwriting input method, device and user terminal |
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| CN1525291A (en) * | 2003-02-26 | 2004-09-01 | 昊 吴 | Chinese and English handwritten input method |
| CN101515211A (en) * | 2008-02-22 | 2009-08-26 | 汉王科技股份有限公司 | Handwriting input method, device and user terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156609A (en) * | 2010-12-10 | 2011-08-17 | 上海合合信息科技发展有限公司 | Overlap handwriting input method |
| CN102156609B (en) * | 2010-12-10 | 2012-12-19 | 上海合合信息科技发展有限公司 | Overlap handwriting input method |
| CN102135838A (en) * | 2011-05-05 | 2011-07-27 | 汉王科技股份有限公司 | Method and system for partitioned input of handwritten character string |
| CN102566923A (en) * | 2011-12-23 | 2012-07-11 | 汉王科技股份有限公司 | Touch control input method and device |
| CN102566933A (en) * | 2011-12-31 | 2012-07-11 | 广东步步高电子工业有限公司 | Method for effectively distinguishing command gestures and characters in full-screen handwriting |
| CN102629158A (en) * | 2012-02-29 | 2012-08-08 | 广东威创视讯科技股份有限公司 | Character input method and device on basis of touch screen system |
| CN102629158B (en) * | 2012-02-29 | 2015-04-08 | 广东威创视讯科技股份有限公司 | Character input method and device on basis of touch screen system |
| US10579257B2 (en) | 2013-06-09 | 2020-03-03 | Apple Inc. | Managing real-time handwriting recognition |
| US11182069B2 (en) | 2013-06-09 | 2021-11-23 | Apple Inc. | Managing real-time handwriting recognition |
| US11816326B2 (en) | 2013-06-09 | 2023-11-14 | Apple Inc. | Managing real-time handwriting recognition |
| US10346035B2 (en) | 2013-06-09 | 2019-07-09 | Apple Inc. | Managing real-time handwriting recognition |
| CN105247540B (en) * | 2013-06-09 | 2018-10-16 | 苹果公司 | Manage real-time handwriting recognition |
| CN105247540A (en) * | 2013-06-09 | 2016-01-13 | 苹果公司 | Managing real-time handwriting recognition |
| US11016658B2 (en) | 2013-06-09 | 2021-05-25 | Apple Inc. | Managing real-time handwriting recognition |
| US10884617B2 (en) | 2016-06-12 | 2021-01-05 | Apple Inc. | Handwriting keyboard for screens |
| US10466895B2 (en) | 2016-06-12 | 2019-11-05 | Apple Inc. | Handwriting keyboard for screens |
| US11640237B2 (en) | 2016-06-12 | 2023-05-02 | Apple Inc. | Handwriting keyboard for screens |
| US10228846B2 (en) | 2016-06-12 | 2019-03-12 | Apple Inc. | Handwriting keyboard for screens |
| US11941243B2 (en) | 2016-06-12 | 2024-03-26 | Apple Inc. | Handwriting keyboard for screens |
| US11194467B2 (en) | 2019-06-01 | 2021-12-07 | Apple Inc. | Keyboard management user interfaces |
| US11620046B2 (en) | 2019-06-01 | 2023-04-04 | Apple Inc. | Keyboard management user interfaces |
| US11842044B2 (en) | 2019-06-01 | 2023-12-12 | Apple Inc. | Keyboard management user interfaces |
| CN112836542A (en) * | 2021-02-07 | 2021-05-25 | 深圳柔果信息科技有限公司 | Method, system and computer readable medium for practicing calligraphy based on dot matrix code |
| CN112836542B (en) * | 2021-02-07 | 2023-09-26 | 深圳柔果信息科技有限公司 | Handwriting practicing method and system based on dot matrix codes and computer readable medium |
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Application publication date: 20101124 |