CN103824072A - Method and device for detecting font structure of handwritten character - Google Patents
Method and device for detecting font structure of handwritten character Download PDFInfo
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- CN103824072A CN103824072A CN201410079208.7A CN201410079208A CN103824072A CN 103824072 A CN103824072 A CN 103824072A CN 201410079208 A CN201410079208 A CN 201410079208A CN 103824072 A CN103824072 A CN 103824072A
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Abstract
The invention discloses a method and a device for detecting a font structure of a handwritten character. The method comprises the following steps: acquiring a user handwritten character, and identifying the user handwritten character to obtain a corresponding standard character; determining the outline of the handwritten character of the user; and comparing and analyzing the outline of the handwritten character of the user with the outline of a preset standard character to generate a detection result of the font structure of the handwritten character of the user. The technical scheme provided by the embodiment of the invention can effectively judge whether the font structure of the handwritten character of the user is standard or not so as to remind the user to correct the font structure problem of the written character in time, thereby improving the efficiency of calligraphy practice of the user.
Description
Technical field
The embodiment of the present invention relates to field of computer technology, relates in particular to a kind of method that the font architecture of hand-written character is detected and device.
Background technology
Along with the fast development of computer technology, some electronic equipments of practising handwriting for user infiltrate in the middle of daily life gradually, practise handwriting thereby can make people needn't stick to paper, and very easily hand-written character is wiped to the operations such as modification, effectively improved the efficiency of practising handwriting.
At present, many electronic equipments of practising handwriting all possess the simple beautifying functions of hand-written character, look more attractive in appearance so that obtain hand-written character, more meet standard character.But in the prior art, conventionally only beautify for the first stroke of a Chinese character, a pen, the vigour of style in writing of hand-written character for the electronic equipment of practising handwriting, and the font architecture of hand-written character is not done to any Detection and adjustment, be unfavorable for that user practises handwriting.
Summary of the invention
The invention provides a kind of method that the font architecture of hand-written character is detected and device, with standard user writing, help user to practise handwriting.
First aspect, the embodiment of the present invention provides a kind of method that the font architecture of hand-written character is detected, and the method comprises:
Obtain user's hand-written character, and described user's hand-written character is identified and obtained corresponding standard character;
Determine the outline of described user's hand-written character;
The outline of described user's hand-written character and the outline of the described standard character of presetting are compared and generate the testing result of the font architecture to user's hand-written character.
Second aspect, the embodiment of the present invention also provides a kind of device that hand-written character is revised, and this device comprises:
Character acquiring unit, for obtaining user's hand-written character, and identifies and obtains corresponding standard character described user's hand-written character;
Outline determining unit, for determining the outline of described user's hand-written character;
Font architecture detecting unit, for comparing the outline of described user's hand-written character and the outline of the described standard character of presetting to generate the testing result of the font architecture to user's hand-written character.
The technical scheme that the embodiment of the present invention proposes is by determining the outline of the user's hand-written character obtaining, and the outline of the outline of user's hand-written character and standard character is carried out to the detection to recently realizing the font architecture to family hand-written character, can effectively judge so the whether standard of font architecture of user's hand-written character, the existing font architecture problem of character of oneself being write with reminding user is revised in time, thereby has improved the efficiency that user practises handwriting.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of method that the font architecture of hand-written character is detected of providing of the embodiment of the present invention one;
Fig. 2 is the schematic flow sheet of a kind of method that the font architecture of hand-written character is detected of providing of the embodiment of the present invention two;
Fig. 3 is the demonstration schematic diagram of the standard character " river " that provides of the embodiment of the present invention two;
Fig. 4 (a) is that the outline of the standard character " river " that provides of the embodiment of the present invention two shows schematic diagram;
Fig. 4 (b) is that the outline of user's hand-written character " river " of providing of the embodiment of the present invention two shows schematic diagram;
Fig. 5 (a) is the demonstration schematic diagram of the user's hand-written character " river " before the stretching that provides of the embodiment of the present invention two;
Fig. 5 (b) is the demonstration schematic diagram of the user's hand-written character " river " after the stretching that provides of the embodiment of the present invention two;
Fig. 5 (c) is that the outline of the user's hand-written character " river " after the stretching that provides of the embodiment of the present invention two shows schematic diagram;
Fig. 6 is the structural representation of a kind of device that the font architecture of hand-written character is detected of providing of the embodiment of the present invention three;
Fig. 7 is the hardware configuration schematic diagram of a kind of device that the font architecture of hand-written character is detected of providing of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, in accompanying drawing, only show part related to the present invention but not entire infrastructure.
Embodiment mono-
Fig. 1 is the schematic flow sheet of a kind of method that the font architecture of hand-written character is detected of providing of the embodiment of the present invention one, the method can be carried out by the device that the font architecture of hand-written character is detected, described device can be configured in learning machine, smart mobile phone, panel computer, personal digital assistant or other any electronic equipments with processor, storer and touch screen displays, is realized by software and/or hardware.Referring to Fig. 1, the method that the font architecture of hand-written character is detected specifically comprises the steps:
110, obtain user's hand-written character, and user's hand-written character is identified and obtained corresponding standard character.
Wherein, user's hand-written character refers to the synthetic dot matrix of each stroke trajectory set of being inputted by user.In the present embodiment, can be from this locality or server obtain user's hand-written character, this user's hand-written character can be pre-stored good, also obtains by input harvester Real-time Collection.
Getting after user's hand-written character, can first be normalized user's hand-written character, adjusted to default standard dimensions, then the each standard character in the standard character database of this locality storage is mated one by one to user's hand-written character, to judge the corresponding standard character of this user's hand-written character.Certainly, also can complete the identification to user's hand-written character by alternate manner, the present embodiment is identified and is obtained this process of corresponding standard character and be not limited in any way user's hand-written character.
120, determine the outline of user's hand-written character.
In the present embodiment, the device that the font architecture of hand-written character is detected can pre-storedly have the contour characteristic points stroke position information of standard character, this information is used to indicate the contour characteristic points of standard character and corresponding hand-written character, to further determine the outline of user's hand-written character according to contour characteristic points, for example, contour characteristic points is connected and composed to the outline of user's hand-written character with a kind of connected mode of setting.
Certainly, those of ordinary skill in the art should understand the outline that also can determine by alternate manner user's hand-written character.For example, directly will in each stroke of character, put the contour characteristic points as this character with the not interconnective first stroke of a Chinese character point of other strokes and receipts pen, connect the outline of these contour characteristic points formations user hand-written character according to the order of connection straight line of setting.The deterministic process of the outline of the present embodiment to user's hand-written character is not limited in any way.
130, the outline of the outline of user's hand-written character and default standard character is compared and generates the testing result of the font architecture to user's hand-written character.
In the present embodiment, can be by the angular relationship take corresponding contour characteristic points as summit in the outline of user's hand-written character relatively and standard character, according to the testing result of the font architecture of angular relationship paired user's hand-written character in next life; Or, first according to the dimension scale relation between hand-written character and standard character stroke, the outline of user's hand-written character is normalized to standard size, then the direct degree of overlapping of the outline of the outline of the user's hand-written character after normalization and default standard character relatively, generates the testing result of the font architecture to user's hand-written character according to degree of overlapping.
The technical scheme that the embodiment of the present invention proposes is by determining the outline of the user's hand-written character obtaining, and the outline of the outline of user's hand-written character and standard character is carried out to the detection to recently realizing the font architecture to family hand-written character, can effectively judge so the whether standard of font architecture of user's hand-written character, the existing font architecture problem of character of oneself being write with reminding user is revised in time, thereby has improved the efficiency that user practises handwriting.
Embodiment bis-
Fig. 2 is the schematic flow sheet of a kind of method that the font architecture of hand-written character is detected of providing of the embodiment of the present invention two, the present embodiment is on the basis of above-mentioned any embodiment, to determine user's hand-written character outline step and the compare step of the testing result that generates the font architecture to user's hand-written character of the outline of user's hand-written character and the outline of default standard character is done to further optimization, to improve the accuracy of testing result.Referring to Fig. 2, the method that the font architecture of hand-written character is detected specifically comprises the steps:
210, obtain user's hand-written character, and user's hand-written character is identified and obtained corresponding standard character;
220, determine the contour characteristic points of user's hand-written character according to the contour characteristic points stroke position information of default standard character;
230, determined contour characteristic points is connected to the outline that generates user's hand-written character according to the order of connection straight line of setting;
240, determine the angle take each contour characteristic points as summit on the outline of user's hand-written character, as the first angle set;
250, the angle take each contour characteristic points as summit on the outline of hand-written character that settles the standard, as the second angle set;
260, the size between corresponding the second angle in the first angle in the first angle set and the second angle set relatively, generates the testing result of the font architecture to user's hand-written character according to comparative result.
The method now for example font architecture of hand-written character being detected is described in further detail.Fig. 3 is the demonstration schematic diagram of the standard character " river " that provides of the embodiment of the present invention two.Referring to Fig. 3, for " river " this standard character, the first stroke of a Chinese character point 310 that its contour characteristic points stroke position information is the first stroke " Pie " and receipts pen point 320, and the first stroke of a Chinese character point 330 of last stroke " Shu " and a receipts point 340.The outline of " river " character is these four figures that the clockwise straight line of point connects and composes.In the present embodiment, can find respectively the first stroke of a Chinese character point and a receipts point corresponding to the first stroke " Pie " and these two strokes of last stroke " Shu " in hand-written character according to the contour characteristic points stroke position information of standard character " river ", then four points that find are coupled together with straight line in the direction of the clock, form the geometric figure of sealing.
Fig. 4 (a) is that the outline of the standard character " river " that provides of the embodiment of the present invention two shows schematic diagram, and Fig. 4 (b) is that the outline of user's hand-written character " river " of providing of the embodiment of the present invention two shows schematic diagram.Referring to Fig. 4, four summits that the contour characteristic points of standard character " river " is its corresponding outline, the first angle set is: ∠ A, ∠ B, ∠ C and ∠ D; Four summits that the contour characteristic points of user's hand-written character " river " is its corresponding outline, the second angle set is: ∠ a, ∠ b, ∠ c and ∠ d.In the time that the outline of the outline of user's hand-written character " river " and default standard character " river " is compared, the magnitude relationship between ∠ A and ∠ a, ∠ B and ∠ b, ∠ C and ∠ c and ∠ D and these four groups of angles of ∠ d relatively respectively.By the testing result that relatively obtains the inaccurate position of the font architecture font architecture to user's hand-written character with generation in user's hand-written character of these angles, for example, in the time that the absolute difference of certain group between angle is more than or equal to setup parameter, judge in user's hand-written character position font architecture that should contour characteristic points unreasonable.
On the basis of technique scheme, after the outline of the outline of user's hand-written character and default standard character compared generating the testing result of the font architecture to user's hand-written character, also comprise: according to comparative result, hand-written character is stretched or contracted transformation, to make the absolute difference between corresponding the second angle in the first angle in the first angle set and the second angle set be less than or equal to the threshold value of setting.
For example, establishing the angle take certain contour characteristic points Q as summit in the outline of standard character is ∠ A, and the angle take the contour characteristic points of corresponding Q as summit in the outline of user's hand-written character, as ∠ a, can comprise the drawing process of user's hand-written character:
1), in the time of ∠ A> ∠ a, the contour characteristic points place with corresponding Q in user's hand-written character is stretched to ∠ a=∠ A along angular bisector corresponding to ∠ a toward interior angle (inner side at angle) direction;
2) in the time of ∠ A=∠ a, font architecture meets standard, and user's hand-written character is not done to any stretching;
3), in the time of ∠ A< ∠ a, the contour characteristic points place with corresponding Q in user's hand-written character is stretched to ∠ a=∠ A along exterior angle (diagonal angle of the ∠ a) direction of angular bisector corresponding to ∠ a.
Fig. 5 (a) is the demonstration schematic diagram of the user's hand-written character " river " before a kind of stretching that the embodiment of the present invention two provides, Fig. 5 (b) is the demonstration schematic diagram of user's hand-written character " river " after a kind of stretching that the embodiment of the present invention two provides, and Fig. 5 (c) is that the outline of the user's hand-written character " river " after the stretching that provides of the embodiment of the present invention two shows schematic diagram.Referring to 5(c) with Fig. 4 (a), the outline of the user's hand-written character " river " after stretching should with the angle correspondent equal on each summit of outline of standard character " river ".
The technical scheme that the present embodiment provides, according to the contour characteristic points of the contour characteristic points stroke position information extraction user hand-written character of default standard character, and then can complete determining user's hand-written character outline very quickly and accurately; And by the relatively detection of the font architecture of the relational implementation between contour characteristic points corresponding angle to user's hand-written character, can avoid like this operating the spent time because carrying out normalization size in the time of the outline of two kinds of characters of comparison, therefore improve the accuracy and the detection efficiency that detect the font architecture of user's hand-written character.
Embodiment tri-
Fig. 6 is the structural representation of a kind of device that the font architecture of hand-written character is detected of providing of the embodiment of the present invention three.Referring to Fig. 6, the concrete structure of this device is as follows:
Character acquiring unit 610, for obtaining user's hand-written character, and identifies and obtains corresponding standard character user's hand-written character;
Outline determining unit 620, for determining the outline of user's hand-written character;
Font architecture detecting unit 630, for comparing the outline of the outline of user's hand-written character and default standard character to generate the testing result of the font architecture to user's hand-written character.
Further, outline determining unit 620, specifically for:
Determine the contour characteristic points of user's hand-written character according to the contour characteristic points stroke position information of default standard character;
Determined contour characteristic points is connected to the outline that generates user's hand-written character according to the order of connection straight line of setting.
Further, font architecture detecting unit 630, specifically for:
Determine the angle take each contour characteristic points as summit on the outline of user's hand-written character, as the first angle set;
The angle take each contour characteristic points as summit on the outline of hand-written character that settles the standard, as the second angle set;
The relatively size between corresponding the second angle in the first angle in the first angle set and the second angle set;
Generate the testing result of the font architecture to user's hand-written character according to comparative result.
Further, described device also comprises character transformation unit 640, after generating the testing result of the font architecture to user's hand-written character for the outline of the outline of user's hand-written character and default standard character being compared at font architecture detecting unit 630:
According to comparative result, hand-written character is stretched or contracted transformation, to make the absolute difference between corresponding the second angle in the first angle in the first angle set and the second angle set be less than or equal to the threshold value of setting.
The said goods can be carried out the method that any embodiment of the present invention provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
Fig. 7 is the hardware configuration schematic diagram of a kind of device that the font architecture of hand-written character is detected of providing of the embodiment of the present invention.Referring to Fig. 7, this device comprises: written character acquisition module 710, memory module 720, processing module 730 and display module 740.Wherein, user's hand-written character that written character acquisition module 710 is inputted for gathering outside, and user's hand-written character of collection is transferred to processing module; Memory module 720 is for storing outline and the corresponding contour characteristic points stroke position information of each standard character; Processing module 730(CPU) method that detects for the font architecture to hand-written character that the data of memory module 720 storage carry out any embodiment of the present invention and provide is provided, and content to be displayed (for example testing result stretches and/or stretches user's hand-written character of front and back) is passed to display system; Display module 740 is for the idsplay order of receiving processing module, and transmits out in the mode of vision.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious variations, readjust and substitute and can not depart from protection scope of the present invention.Therefore, although the present invention is described in further detail by above embodiment, the present invention is not limited only to above embodiment, in the situation that not departing from the present invention's design, can also comprise more other equivalent embodiment, and scope of the present invention is determined by appended claim scope.
Claims (8)
1. the method font architecture of hand-written character being detected, is characterized in that, comprising:
Obtain user's hand-written character, and described user's hand-written character is identified and obtained corresponding standard character;
Determine the outline of described user's hand-written character;
The outline of described user's hand-written character and the outline of the described standard character of presetting are compared and generate the testing result of the font architecture to user's hand-written character.
2. the method that the font architecture of hand-written character is detected according to claim 1, is characterized in that, determines the outline of described user's hand-written character, comprising:
Determine the contour characteristic points of described user's hand-written character according to the contour characteristic points stroke position information of default described standard character;
Determined contour characteristic points is connected to the outline that generates described user's hand-written character according to the order of connection straight line of setting.
3. the method that the font architecture of hand-written character is detected according to claim 2, it is characterized in that, the outline of described user's hand-written character is compared and generates the testing result of the font architecture to user's hand-written character with the outline of the described standard character of presetting, comprising:
Determine the angle take each contour characteristic points as summit on the outline of described user's hand-written character, as the first angle set;
Determine the angle take each contour characteristic points as summit on the outline of described standard hand-written character, as the second angle set;
Size in the first angle in more described the first angle set and the second angle set between corresponding the second angle;
Generate the testing result of the font architecture to user's hand-written character according to comparative result.
4. the method that the font architecture of hand-written character is detected according to claim 3, it is characterized in that, after the testing result of the font architecture of generation to user's hand-written character that the outline of described user's hand-written character and the outline of the described standard character of presetting are compared, also comprise:
According to comparative result, described hand-written character is stretched or contracted transformation, to make the absolute difference between corresponding the second angle in the first angle in described the first angle set and the second angle set be less than or equal to the threshold value of setting.
5. the device font architecture of hand-written character being detected, is characterized in that, comprising:
Character acquiring unit, for obtaining user's hand-written character, and identifies and obtains corresponding standard character described user's hand-written character;
Outline determining unit, for determining the outline of described user's hand-written character;
Font architecture detecting unit, for comparing the outline of described user's hand-written character and the outline of the described standard character of presetting to generate the testing result of the font architecture to user's hand-written character.
6. the device that the font architecture of hand-written character is detected according to claim 5, is characterized in that, described outline determining unit, specifically for:
Determine the contour characteristic points of described user's hand-written character according to the contour characteristic points stroke position information of default described standard character;
Determined contour characteristic points is connected to the outline that generates described user's hand-written character according to the order of connection straight line of setting.
7. the device that the font architecture of hand-written character is detected according to claim 6, is characterized in that, described font architecture detecting unit, specifically for:
Determine the angle take each contour characteristic points as summit on the outline of described user's hand-written character, as the first angle set;
Determine the angle take each contour characteristic points as summit on the outline of described standard hand-written character, as the second angle set;
Size in the first angle in more described the first angle set and the second angle set between corresponding the second angle;
Generate the testing result of the font architecture to user's hand-written character according to comparative result.
8. the device that the font architecture of hand-written character is detected according to claim 7, it is characterized in that, also comprise character transformation unit, after generating the testing result of the font architecture to user's hand-written character for the outline of described user's hand-written character and the outline of the described standard character of presetting being compared at described font architecture detecting unit:
According to comparative result, described hand-written character is stretched or contracted transformation, to make the absolute difference between corresponding the second angle in the first angle in described the first angle set and the second angle set be less than or equal to the threshold value of setting.
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| CN104715256A (en) * | 2015-03-04 | 2015-06-17 | 南昌大学 | Auxiliary calligraphy exercising system and evaluation method based on image method |
| CN106649211A (en) * | 2015-11-02 | 2017-05-10 | 北大方正集团有限公司 | Word stock generation method and system |
| CN106648418A (en) * | 2016-11-14 | 2017-05-10 | 北京爱知之星科技股份有限公司 | Handwriting correction method and device |
| CN107578039A (en) * | 2017-10-08 | 2018-01-12 | 王奕博 | Writing profile comparison method based on digital image processing techniques |
| EP3224704A4 (en) * | 2014-11-25 | 2018-02-28 | Samsung Electronics Co., Ltd. | Method and device for amending handwritten characters |
| CN109271882A (en) * | 2018-08-28 | 2019-01-25 | 昆明理工大学 | A kind of handwritten Chinese character extracting method for distinguishing color |
| CN109472249A (en) * | 2018-11-22 | 2019-03-15 | 京东方科技集团股份有限公司 | A kind of method and device of determining script superiority and inferiority grade |
| CN110263302A (en) * | 2019-06-28 | 2019-09-20 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| US11080472B2 (en) | 2015-04-24 | 2021-08-03 | Fujitsu Limited | Input processing method and input processing device |
| CN113515919A (en) * | 2021-09-14 | 2021-10-19 | 北京江融信科技有限公司 | Method and system for generating Chinese TrueType font |
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| EP3224704A4 (en) * | 2014-11-25 | 2018-02-28 | Samsung Electronics Co., Ltd. | Method and device for amending handwritten characters |
| CN104715256A (en) * | 2015-03-04 | 2015-06-17 | 南昌大学 | Auxiliary calligraphy exercising system and evaluation method based on image method |
| US11080472B2 (en) | 2015-04-24 | 2021-08-03 | Fujitsu Limited | Input processing method and input processing device |
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| CN109271882A (en) * | 2018-08-28 | 2019-01-25 | 昆明理工大学 | A kind of handwritten Chinese character extracting method for distinguishing color |
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| CN109472249A (en) * | 2018-11-22 | 2019-03-15 | 京东方科技集团股份有限公司 | A kind of method and device of determining script superiority and inferiority grade |
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| CN113515919A (en) * | 2021-09-14 | 2021-10-19 | 北京江融信科技有限公司 | Method and system for generating Chinese TrueType font |
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|---|---|
| CN103824072B (en) | 2017-02-08 |
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