CN101533469A - Touch panel system and operating method thereof - Google Patents
Touch panel system and operating method thereof Download PDFInfo
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- CN101533469A CN101533469A CN200910038996A CN200910038996A CN101533469A CN 101533469 A CN101533469 A CN 101533469A CN 200910038996 A CN200910038996 A CN 200910038996A CN 200910038996 A CN200910038996 A CN 200910038996A CN 101533469 A CN101533469 A CN 101533469A
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Abstract
The invention discloses a touch panel system and an operating method thereof. The touch panel system comprises: a touch panel; a touch panel control circuit for controlling the operation of the touch panel; a touch track characteristic extraction circuit which consecutively receives the coordinates of touch tracks (or strikes) collected by a touch panel controller; a non-volatile memory unit for storing programs and for storing characteristic information permanently by a central processing unit; a volatile memory unit in which the central processing unit can store and search for the characteristic information rapidly; a central processing unit which can read the characteristics of the touch tracks (or strikes) of the touch panel and record the characteristics to the non-volatile memory unit in order to form at least one characteristic information bank; and a power source module; the central processing unit realizes the identification of the touch tracks of the touch panel by searching the characteristic information bank in the volatile memory unit. The invention also provides three operating methods for the touch panel system extracting the touch track characteristics.
Description
Technical field:
The present invention relates to a kind of touch panel system and How It Works thereof, more specifically to a kind of shake-up panel system and three kinds of How It Works that are used for this shake-up track characteristic panel system extracting that touch the track characteristic extraction that are based on---the How It Works of the shake-up track order set of How It Works, a kind of touch panel system of the graphical passwords identification system of How It Works, a kind of touch panel system of hand-written Chinese identification system on a kind of line of touch panel system.
Background technology:
Existing many Chinese character coding input methods (phonetic notation, Cangjie, the rice etc. of having no time) all need to rely on keyboard and finish input, will learn a kind of input method unavoidably earlier and be familiar with its input rule, learning time length is arranged, forget easily, cause all difficulties in study.And carry out input in Chinese according to keyboard, a kind of common drawback is all arranged; Because of with hand-written irrelevant, great secret worry such as before easily causing hand-written in the future Chinese obstacle of compatriots and the culture continuity of influence Chinese and developmental lag.
Yet Chinese hand-written identification system has methods such as structure analysis, class neural network as Chinese discrimination method on the line at present.Structured analysis method need just can be reached Chinese identification through eight steps:
One, being written into and changing of data: at first the stored point information of each word of tester is written into, comprises X, Y value and this dotted state, convert a section stroke to;
Two, the processing of line segment: line segment just made connect, delete unnecessary point;
Three, obtaining of line segment feature value: information such as the length of line segment, angle, slope after the computing, and the state of each line segment first point, end point.
Four, normalization: if original tested word is to do to write in 260 X, 260 pixels, for reaching a same standard, we go in 62 X, 65 pixel maps after with its normalization;
Five, do literal about hive off: if form simple group shape to such an extent as to only write the left side when writing, then at a minute group time, our desired left side group result still presents original written word; If left and right sides shape is then separated its left one side of something;
Six, left side group's normalization: we with a left side group normalization after, insert in 66 X, 65 pixel maps;
Seven, obtaining of line segment feature value once more: after normalization, left side group's kenel is possible slightly different with original word, so our previous line segment feature value distortion to some extent, the calculating of eigenwert and acquisition so we try again;
Eight, comparison at last: after obtaining the last eigenwert in left side, we insert judge in the identification system with it, must obtain the result of what group of its this genuss, and our again that this result and this word is correct result makes comparisons, and then is a successful identification as if pairing is arranged.
Another kind neural network method need just can be reached Chinese identification through four steps.
One, obtains data: the coordinate data that obtains hand-written Chinese words through Trackpad;
Two, pre-treatment: graph thinning, flat digestion, eliminate noise and needn't data after, obtain level and smooth word;
Three, characteristic extraction: with level and smooth word staging treating, and give each section a direction code, and obtain one group of strokes sequence vector after the corner analysis, see through the search of one group of stroke class neural network again, can obtain the weighing vector of one group of stroke kind, and obtain this writing stroke sign indicating number;
Four, word has comparison: carry out the font comparison, must obtain the stroke sign indicating number earlier,, see through the search of Chinese words class neural network because Chinese words is made up of a string variety classes stroke, the weighing vector value of n group Chinese words can be obtained, and the Chinese words of serious hope can be picked out.
The structured analysis method of Chinese hand-written identification system on the aforementioned line, must extract various features (information such as the length of line segment, angle, slope) in image document, calculated amount is many, comparison is complicated, identification speed slow so structured analysis method has, word is difficult search shortcoming such as huge.And the time that the class neural network is spent in learning process is maximum, can't expect its deadline again, though there is another method of improving learning time to improve neuroid networking exactly, though improvement has been arranged in time, but still impracticable.So class neural network method has systematic learning time shortcomings such as length, practicability difficulty.
IPod and iPhone employing in the recent period is an appearance formula contact panel, provide multiple spot detecting ability and touch-control characterizing definition function (for example: on contact panel, turn right to draw and represent the upset of turning right, turn left at contact panel and to draw the representative functions such as upset of turning left), owing to dazzling touch control operation interface causes unprecedented upsurge of panic buying.Electric resistance touch-control panel can't provide the touch-control characterizing definition function of iPod because of no multiple spot detecting ability, also has been restricted (the mostly only purposes on object is chosen) on therefore general.
Summary of the invention:
The objective of the invention is to a kind of touch panel system and How It Works thereof.It discards tradition with the touch panel system of touch coordinate acquisition, adopt a kind of touch panel system that touches the track characteristic extraction and change, except that still maintaining former touch coordinate acquisition function, also output simultaneously touch track characteristic (such as: the track moving direction), and touch track characteristic in view of the above and set up the track data bank, promptly can touch track characteristic backward and search the track data bank, touch track with identification.
Technology solution of the present invention is as follows:
A kind of touch panel system, it is made up of contact panel 101, contact panel control circuit 102, shake-up track characteristic extraction circuit 103, non-volatility memory unit 104, CPU (central processing unit) 106, power supply module 107,
Contact panel 101 is as the touch-control input block;
Contact panel control circuit 102 electrically connects contact panel 101, as this contact panel running of control, is touched the coordinate that is produced with the acquisition contact panel;
Touch track characteristic extraction circuit 103, electrically connect the contact panel control circuit, receive the coordinate of the shake-up track (or stroke) of touching control panel controller acquisition continuously, and extract this shake-up track (or stroke) feature;
The feature data can be deposited and search in non-volatility memory unit 104 fast for CPU (central processing unit);
Volatility memory cell 105, the quick storage feature data of interior processing unit energy in supplying;
CPU (central processing unit) 106 can read shake-up track (or stroke) feature of contact panel, and records this non-volatility memory unit, to form at least one feature data bank;
Power supply module 107 provides system required power supply.
Described contact panel control circuit 102 is the entity of wafer form with touching track characteristic extraction circuit 103.
Described contact panel control circuit 103, shake-up track characteristic extraction circuit 103 are the entity of wafer form with non-volatility memory unit 104.
Described contact panel control circuit 102, touch track characteristic extraction circuit 103 and non-volatility memory unit 104, volatility memory cell 105 with in processing unit 106 be the entity of wafer form.
The How It Works of hand-written Chinese identification system on a kind of line of touch panel system,
A, set up Chinese basic strokes and stroke code thereof;
Allow different personnel these Chinese words basic strokes of Palingraphia on this contact panel 101, make CPU (central processing unit) 106 in non-volatility memory unit 105, set up Chinese words basic strokes feature data bank with touching the Chinese words basic strokes eigenwert that track characteristic extraction circuit 103 extracts;
B, set up Chinese words order of strokes data bank;
Play handwriting according to Chinese words and divide class, sort out Chinese words according to the first method of hiving off of Chinese text part again in the class;
Allow different personnel Palingraphia Chinese words on contact panel 101, make CPU (central processing unit) 106 will touch each Chinese words basic strokes eigenwert that track characteristic extraction circuit 103 extracts in regular turn, in volatility memory cell 105, search in the Chinese basic strokes feature data bank, find out the basic strokes code in regular turn, and be combined into this Chinese words order of strokes serial codes;
In in processing unit 106 can utilize and hunt out the order of strokes serial codes, in non-volatility memory unit 104, set up Chinese order of strokes data bank;
C, the temporary processing;
CPU (central processing unit) 106 is copied in the volatility memory cell 105 Chinese words basic strokes feature data bank and the Chinese order of strokes data bank set up in the non-volatility memory unit 104 as temporary, for the usefulness of identification processing respectively;
D, be combined into Chinese words order of strokes serial codes;
Allow the user of service on contact panel 101, write Chinese words, CPU (central processing unit) 106 can be utilized touch each basic strokes eigenwert that track characteristic extraction circuit 103 extracts Chinese words in regular turn, the basic strokes code is found out in the search of Chinese words basic strokes feature data bank in regular turn in volatility memory cell 105, and is combined into Chinese words order of strokes serial codes;
E, find out the Chinese words ISN, reach Chinese identification capability;
CPU (central processing unit) 106 is utilized the order of strokes serial codes, searches in the Chinese words order of strokes data bank in volatility memory cell 105 and finds out the Chinese words ISN, reaches Chinese identification capability.
A kind of How It Works of graphical passwords identification system of touch panel system,
1) sets up fundamental figure feature data bank;
Allow user of service's these fundamental figures of Palingraphia on this contact panel 101, this CPU (central processing unit) 106 can be utilized touch the fundamental figure eigenwert that track characteristic extraction circuit 103 extracts, in non-volatility memory unit 104, set up fundamental figure feature data bank;
2), set up composite figure keying material storehouse;
Allow same user of service on contact panel 101, repeat to draw fundamental figure combination, make CPU (central processing unit) 106 can utilize shake-up track characteristic extraction circuit 103 to extract each fundamental figure eigenwert in regular turn, fundamental figure feature data bank is searched in volatility memory cell 105, find out the fundamental figure code in regular turn, and be combined into the fundamental figure serial codes;
CPU (central processing unit) 106 is utilized this fundamental figure serial codes, and 104 set up composite figure keying material storehouse in the non-volatility memory unit;
3), be combined into the fundamental figure serial codes;
Allow user of service's 101 its fundamental figure combinations that repeat to draw on contact panel, CPU (central processing unit) 106 is utilized touched each fundamental figure eigenwert that track characteristic extraction circuit 103 extracts this fundamental figure combination in regular turn, in volatility memory cell 105, search in the fundamental figure feature data bank, find out the fundamental figure code in regular turn, and be combined into the fundamental figure serial codes;
4), find out this personnel's code, reach the graphical passwords identification capability;
CPU (central processing unit) 106 is utilized this fundamental figure serial codes again, and search in composite figure keying material storehouse in the volatility memory cell, finds out this personnel's code, reaches the graphical passwords identification capability.
A kind of How It Works of shake-up track order set of touch panel system,
1), sets up shake-up track characteristic instruction data bank;
Allow different personnel on contact panel, repeat to draw these single entries touch tracks, make CPU (central processing unit) 106 will touch the shake-up track characteristic value that track characteristic extraction circuit 103 extracts, in non-volatility memory unit 104, set up and touch track characteristic instruction data bank;
2), find out single entry or compound shake-up track order code, reach and touch track instruction identification capability;
Allow user of service's 101 shake-up tracks that draw on contact panel, make CPU (central processing unit) 106 take out in regular turn and touch the track characteristic value touching track characteristic extraction circuit 103, single entry and compound shake-up track characteristic instruct among the data stock in non-volatility memory unit 104
Search, find out single entry or compound shake-up track order code, reach and touch track instruction identification capability.
The invention has the advantages that: it discards tradition with the touch panel system of touch coordinate acquisition, adopt a kind of touch panel system that touches the track characteristic extraction and change, except that still maintaining former touch coordinate acquisition function, also output simultaneously touch track characteristic (such as: the track moving direction), and touch track characteristic in view of the above and set up the track data bank, promptly can touch track characteristic backward and search the track data bank, touch track with identification.
How It Works with hand-written Chinese identification system on the line is an example,
1, hardware realization feature extraction is easy and quick, and it touches the segmented mode of track characteristic extraction circuit with 9 orientation differentiation shake-up strokes, defines Chinese words basic strokes feature.The extraction of the stroke feature that this hardware is realized is easy, and because the basic strokes of Chinese words is few, can not cause the huge problem of data bank.
2, it is easy to set up basic strokes feature data stock with array structure, searches comparison fast; Set up basic strokes feature data bank with the stroke feature that touches the extraction of track characteristic extraction circuit, once this basic stroke feature data Kuku set up finish after, whenever we obtain a stroke feature, just can simple and easy search algorithm method (as binary tree search algorithm method), find out stroke encoding.Chinese words normally is made of several order of strokes, and we just can define the notion of Chinese words with the serial codes of these order of strokes, and the present invention divides a class to play handwriting, and the method for hiving off with the Chinese text radicals by which characters are arranged in traditional Chinese dictionaries is set up Chinese words order of strokes observed in calligraphy data bank again.Similarly, once this Chinese words order of strokes observed in calligraphy data bank with array structure set up finish after, whenever our a terrible order of strokes serial codes, just can simple and easy search algorithm method (as binary power search algorithm method), find out Chinese inner code (Big5) and reach the identification purpose.
Description of drawings:
Fig. 1 is a touch panel system structural relation synoptic diagram;
Fig. 2 is a hand-written Chinese identification system synoptic diagram on the line;
The formula process flow diagram of Fig. 3 composite figure cryptographic system.
Embodiment:
Embodiment: arrive shown in Figure 3 referring to Fig. 1, this embodiment only illustrates possibility embodiment of the present invention, so that the easier quilt of the present invention is understood, is not in order to limit embodiments of the present invention, be familiar with this skill person and can make an amendment to embodiment naturally, but still do not break away from spirit of the present invention and category.
As shown in Figure 1, touch panel system 10 of the present invention comprises: a contact panel 101, as the touch-control input block; One contact panel control circuit 102 is subjected to touch the X-axis and the Y-axis coordinate of being given birth to as this contact panel running of control with the acquisition contact panel; One touches track characteristic extraction circuit 103, receives shake-up track (or stroke) feature of this touching control panel controller acquisition continuously; One non-volatility memory unit 104 for storing outside the source code, is also set up and permanent storage feature data for CPU (central processing unit); The feature data can be deposited and search to one volatility memory cell 105 fast for CPU (central processing unit); One CPU (central processing unit) 106 can read shake-up track (or stroke) feature of this contact panel, and record this non-volatility memory unit, to form at least one feature data bank, this CPU (central processing unit) realizes the shake-up track of this contact panel of identification via the feature data bank of searching this volatility memory cell; Power supply module 107 is in order to provide touch panel system required power supply.
As shown in Figure 2, Fig. 2 is a hand-written Chinese identification system synoptic diagram on the line.Hand-written Chinese identification system on the line, it mainly utilizes writing pencil and contact panel to carry out the Chinese words input, as a most convenient and friendly input tool.The present invention proposes the contact panel that a tool touches track (or being called stroke) characteristic extraction ability, it can be with mobile orientation: turn right, toward upper right, up, toward upper left, turn left, toward the lower-left, down, toward the bottom right and sluggishness etc., its coding example is shown in subordinate list 1, and the pen section of distinguishing stroke is with definition Chinese words basic strokes feature.At first, the present invention does and finds out the Chinese words basic strokes and give coding (shown in the 5th hurdle of subordinate list 2.1 and subordinate list 2.2), substantially reach out for a yard after taking an inch by the extraction Chinese words again and draw a feature (shown in the 4th hurdle of subordinate list 2.1 and subordinate list 2.2), realize setting up basic strokes feature data bank.Then, whenever obtaining a stroke feature, we just can find out this Chinese words basic strokes coding via searching this feature data bank.Again, Chinese words normally is made of several order of strokes, and we just can find out this Chinese basic strokes coding via searching this feature data bank with these stroke features.Again, Chinese words normally is made of several order of strokes, we with these order of strokes serial codes just can define Chinese words notion (for example: " 3113 " be exactly " in " the order of strokes serial codes, and " K: " is exactly the order of strokes serial codes of " ").We divide class (can be divided into 17 classification) to play handwriting again, and the method for hiving off with the Chinese text radicals by which characters are arranged in traditional Chinese dictionaries again in the classification is set up Chinese words order of strokes observed in calligraphy data bank.Wherein, respectively hiving off is that stroke order serial codes array by different in width and length is constituted.Width is represented the stroke number of Chinese words, and length is represented the number of Chinese words.The data bank that cooperates this special construction is whenever we obtain one group of order of strokes serial codes, as long as easy search algorithm method just can be reached identification effect in the correct fast storehouse that searches for data.This is different from structured analysis method, need carry out the record of features such as a length of section, angle, slope, therefore can avoid structured analysis method must carry out complex characteristic calculating and the comparison of complicated information, and problem such as the learning time of adopting class neural network method to cause is long, and cause the slack-off problem of identification speed.
Design part for hardware in the frame of broken lines among the figure, wherein contact panel 201 is the places of writing the information Chinese words, control via contact panel control circuit 201 obtains shake-up information (being X-axis and Y-axis coordinate information), this information is delivered to and is touched track characteristic extraction circuit 203, Chinese words basic strokes feature on the extraction touch surface, and after obtaining each Chinese words basic strokes feature 205 by CPU (central processing unit) 204, search to Chinese words stroke feature data bank 206, obtain each basic strokes numbering in regular turn, after being combined into Chinese words order of strokes serial codes 207, search to Chinese order of strokes data bank 208 with this serial codes again, just can obtain this Chinese words ISN 209 and realize Chinese words handwriting identification function.
Please consult Fig. 2 again, wherein Chinese words stroke feature data bank 206 and Chinese words order of strokes data bank 208 all are to set up in advance to finish in volatility memory body (not shown), and are stored in the non-volatility memory (not shown).When system start-up, this two data storehouse makes things convenient for CPU (central processing unit) 204 quick accesses by copying to the volatility memory body in the non-volatility memory.Its creation facilities program (CFP) is: (1) at first is to set up Chinese basic strokes and code thereof, and shown in subordinate list 2, the basic strokes coding that present embodiment uses has 31.
(2) allow different personnel these Chinese basic strokes of Palingraphia on this contact panel 201, CPU (central processing unit) 204 can be utilized touch track characteristic extraction circuit 203.The Chinese words basic strokes eigenwert that extracts is in this volatility memory cell, set up Chinese words basic strokes feature data bank 206, backward, just can be to touch the stroke feature value that track characteristic extraction circuit 203 extracts, to the corresponding basic strokes code of Chinese words basic strokes feature data bank 206 searches.
(3) CPU (central processing unit) 204 will be set up Chinese words basic strokes feature data bank 206 in the volatility memory cell (not shown), is copied in the non-volatility memory unit (not shown) forever to preserve;
(4) utilization of the present invention just can define the notion of Chinese words with the serial codes of order of strokes, and we propose comply with handwriting division class, and the method for hiving off according to the Chinese text radicals by which characters are arranged in traditional Chinese dictionaries again in the class designs this Chinese words order of strokes data bank 208.Subordinate list 3 always has 213 radicals by which characters are arranged in traditional Chinese dictionaries for the Chinese text radical-code table that present embodiment uses.Chart 4.1 divides basic strokes sequence number " 1 " lining for what present embodiment used with a handwriting with chart 4.2, has 57 radicals by which characters are arranged in traditional Chinese dictionaries such as (one 00,2 06, Contraband 15).
(5) allow different personnel Palingraphia Chinese words on this contact panel, each the Chinese words basic strokes eigenwert 205 that makes this CPU (central processing unit) 204 can utilize this shake-up track characteristic extraction circuit 203 to extract in regular turn, in this volatile memory unit (not shown), search in the Chinese words stroke feature data bank 206, find out the basic strokes code in regular turn, and be combined into this Chinese words order of strokes series 207;
(6) CPU (central processing unit) 204 can utilize aforesaid order of strokes serial codes 207 in this volatility memory cell, sets up Chinese words order of strokes data bank 208;
(7) CPU (central processing unit) 204 will be set up Chinese words order of strokes data bank 208 in the volatility memory cell (not shown), is copied in the nonvolatile memory unit (not shown) forever to preserve;
Chart password identification system, it is by touching track characteristic extraction circuit extraction one stroke fundamental figure feature among the present invention, and sets up fundamental figure feature data bank with this feature, and then with the composite sequence sign indicating number combinations of definitions graphical passwords data bank of this fundamental figure.Whenever obtaining a fundamental figure feature, we just can in fundamental figure feature data bank, hunt out this fundamental figure coding via the search algorithm method.Whenever we obtain one group of fundamental figure coded sequence sign indicating number, just can search combination graphical passwords data bank mode again, realize the identification of composite figure password.Fig. 3 is embodiments of the invention: the formula process flow diagram of composite figure cryptographic system.Wherein, start interface 301 provides the interface of getting in touch of present embodiment and computer operating system.Primary option menu interface 302 is that the operator scheme of present embodiment is selected, and total mode of learning 303 provides the user, via contact panel exercise input fundamental figure (such as: straight line, triangle, square or one stroke chart that other user oneself defines).Practise process via the user, system sets up fundamental figure feature data bank.Defining mode 304 times, require to input less the composite figure password of secondary user definition, can discern to determine password.Recognition mode 305 is application models, can follow other application combination, realizes identification combination chart password.
Touch the track order set, that is to say to touch the system of track definition operational order function, on behalf of form, the shake-up track characteristic of for example turning right move right, the shake-up track characteristic of turning left represents form to moving to left, the triangle of turning right touches track characteristic and represents a form, the triangle of turning left touches track characteristic and represents one page under the form, and circle shake-up track characteristic is represented and dwindled clockwise, and circular counterclockwise shake-up track characteristic is represented amplification or the like single entry track characteristic defined function.With the compound track characteristic defined function of a plurality of shake-up track definition operational order functions, also be one of this enforcement ability just in addition.
The above only is preferred embodiment of the present invention, and illegally limits claim of the present invention with getting; All other shows that breaking away from waiting of finishing under the suggested spirit of the present invention changes or modification, all should be included in down in this claim.
Subordinate list 1: the numbering example of touching the track moving direction
| Touch the track moving direction | The direction numbering |
| Turn right | 1 |
| Toward upper right | 2 |
| Up | 3 |
| Toward upper left | 4 |
| Turn left | 5 |
| Toward the lower-left | 6 |
| Down | 7 |
| Toward the bottom right | 8 |
| Sluggish | 0 |
Subordinate list 2.1: 31 basic strokes definition lists of Chinese
Subordinate list 2.2 Chinese 31 basic strokes definition lists (continuing)
Subordinate list 3 Chinese text radicals by which characters are arranged in traditional Chinese dictionaries number tables
Subordinate list 4.1 is to play the sorted table of first stroke classification Chinese text radicals by which characters are arranged in traditional Chinese dictionaries
Subordinate list 4.2 is to play the sorted table (continuing) of first stroke classification Chinese text radicals by which characters are arranged in traditional Chinese dictionaries
Claims (7)
1, a kind of touch panel system, it is characterized in that: it is made up of contact panel (101), contact panel control circuit (102), shake-up track characteristic extraction circuit (103), non-volatility memory unit (104), CPU (central processing unit) (106), power supply module (107)
Contact panel (101) is as the touch-control input block;
Contact panel control circuit (102) electrically connects contact panel (101), as this contact panel running of control, is touched the coordinate that is produced with the acquisition contact panel;
Touch track characteristic extraction circuit (103), electrically connect the contact panel control circuit, receive the coordinate of the shake-up track (or stroke) of touching control panel controller acquisition continuously, and extract this shake-up track (or stroke) feature;
The feature data can be deposited and search in non-volatility memory unit (104) fast for CPU (central processing unit);
Volatility memory cell (105), the quick storage feature data of interior processing unit energy in supplying;
CPU (central processing unit) (106) can read shake-up track (or stroke) feature of contact panel, and records this non-volatility memory unit, to form at least one feature data bank;
Power supply module (107) provides system required power supply.
2, touch panel system according to claim 1 is characterized in that: contact panel control circuit (102) is the entity of wafer form with shake-up track characteristic extraction circuit (103).
3. touch panel system according to claim 1 is characterized in that: contact panel control circuit (103), shake-up track characteristic extraction circuit (103) are the entity of wafer form with non-volatility memory unit (104).
4, touch panel system according to claim 1 is characterized in that: contact panel control circuit (102), touch track characteristic extraction circuit (103) and non-volatility memory unit (104), volatility memory cell (105) with in processing unit (106) be the entity of wafer form.
The How It Works of hand-written Chinese identification system on the line of 5 one kinds of touch panel systems is characterized in that:
A, set up Chinese basic strokes and stroke code thereof;
Allow different personnel go up these Chinese words basic strokes of Palingraphia at this contact panel (101), make CPU (central processing unit) (106) in non-volatility memory unit (105), set up Chinese words basic strokes feature data bank with touching the Chinese words basic strokes eigenwert that track characteristic extraction circuit (103) extracts;
B, set up Chinese words order of strokes data bank;
Play handwriting according to Chinese words and divide class, sort out Chinese words according to the first method of hiving off of Chinese text part again in the class;
Allow different personnel go up the Palingraphia Chinese words at contact panel (101), make CPU (central processing unit) (106) will touch each Chinese words basic strokes eigenwert that track characteristic extraction circuit (103) extracts in regular turn, in volatility memory cell (105), search in the Chinese basic strokes feature data bank, find out the basic strokes code in regular turn, and be combined into this Chinese words order of strokes serial codes;
In in processing unit (106) utilize and to hunt out the order of strokes serial codes, in non-volatility memory unit (104), set up Chinese order of strokes data bank;
C, the temporary processing;
CPU (central processing unit) (106) is copied in the volatility memory cell (105) Chinese words basic strokes feature data bank and the Chinese order of strokes data bank set up in non-volatility memory unit (104) as temporary, for the usefulness of identification processing respectively;
D, be combined into Chinese words order of strokes serial codes;
Allow the user of service on contact panel (101), write Chinese words, CPU (central processing unit) (106) can be utilized touch each basic strokes eigenwert that track characteristic extraction circuit (103) extracts Chinese words in regular turn, the basic strokes code is found out in the search of Chinese words basic strokes feature data bank in regular turn in volatility memory cell (105), and is combined into Chinese words order of strokes serial codes;
E, find out the Chinese words ISN, reach Chinese identification capability;
CPU (central processing unit) (106) is utilized the order of strokes serial codes, searches in the Chinese words order of strokes data bank in volatility memory cell (105) and finds out the Chinese words ISN, reaches Chinese identification capability.
6, a kind of How It Works of graphical passwords identification system of touch panel system is characterized in that:
1) sets up fundamental figure feature data bank;
Allow the user of service go up these fundamental figures of Palingraphia at this contact panel (101), make this CPU (central processing unit) (106) utilization touch the fundamental figure eigenwert that track characteristic extraction circuit (103) extracts, in non-volatility memory unit (104), set up fundamental figure feature data bank;
2), set up composite figure keying material storehouse;
Allow same user of service on contact panel (101), repeat to draw fundamental figure combination, make CPU (central processing unit) (106) can utilize shake-up track characteristic extraction circuit (103) to extract each fundamental figure eigenwert in regular turn, fundamental figure feature data bank is searched in volatility memory cell (105), find out the fundamental figure code in regular turn, and be combined into the fundamental figure serial codes; CPU (central processing unit) (106) is utilized this fundamental figure serial codes, and (104) set up composite figure keying material storehouse in the non-volatility memory unit;
3), be combined into the fundamental figure serial codes;
Allow user of service (101) on contact panel its fundamental figure combination that repeats to draw, make CPU (central processing unit) (106) utilization touch each fundamental figure eigenwert that track characteristic extraction circuit (103) extracts this fundamental figure combination in regular turn, in volatility memory cell (105), search in the fundamental figure feature data bank, find out the fundamental figure code in regular turn, and be combined into the fundamental figure serial codes;
4), find out this personnel's code, reach the graphical passwords identification capability;
CPU (central processing unit) (106) is utilized this fundamental figure serial codes again, and search in composite figure keying material storehouse in the volatility memory cell, finds out this personnel's code, reaches the graphical passwords identification capability.
1), set up to touch track characteristic instruction data bank 7, a kind of How It Works of shake-up track order set of touch panel system is characterized in that:;
Allow different personnel on contact panel, repeat to draw these single entries touch tracks, make CPU (central processing unit) (106) will touch the shake-up track characteristic value that track characteristic extraction circuit (103) extracts, in non-volatility memory unit (104), set up and touch track characteristic instruction data bank;
2), find out single entry or compound shake-up track order code, reach and touch track instruction identification capability;
Allow user of service (101) on the contact panel shake-up track that draws, make CPU (central processing unit) (106) take out shake-up track characteristic value in regular turn with touching track characteristic extraction circuit (103), in non-volatility memory unit (104), search among single entry and the compound shake-up track characteristic instruction data stock, find out single entry or compound shake-up track order code, reach and touch track instruction identification capability.
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| CN200910038996A CN101533469A (en) | 2009-04-27 | 2009-04-27 | Touch panel system and operating method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236438A (en) * | 2010-04-21 | 2011-11-09 | 上海三旗通信科技有限公司 | Algorithm and operating mode for identifying track on touch pad of mobile terminal |
| CN104134081A (en) * | 2014-07-31 | 2014-11-05 | 广东小天才科技有限公司 | Spelling method and device for hand input content |
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| CN104134081A (en) * | 2014-07-31 | 2014-11-05 | 广东小天才科技有限公司 | Spelling method and device for hand input content |
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