CN102810162A - Verification system based on pen strength identification - Google Patents
Verification system based on pen strength identification Download PDFInfo
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- CN102810162A CN102810162A CN2011101499189A CN201110149918A CN102810162A CN 102810162 A CN102810162 A CN 102810162A CN 2011101499189 A CN2011101499189 A CN 2011101499189A CN 201110149918 A CN201110149918 A CN 201110149918A CN 102810162 A CN102810162 A CN 102810162A
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Abstract
The invention relates to a verification system based on pen strength identification. A processing chip controls a touch screen controller to collect character pattern and pen strength information written on a touch screen and reads the information; the comparison verification is performed through a recognition algorithm after filtration and noise reduction are carried out; and a result is output on a display. The verification system with novel design concept greatly improves the safety of the verification system; the accurate displaying of the user writing can be achieved; design modules and components, which are adopted, have very high stability, a hardware module required mature technology is adopted, and the cost is low; and the verification system can be embedded in any system that needs to be verified, such as login of a handheld PC (Personal Computer) and a laptop PC, an entrance guard system, on-line network login, identity authentication of mobile electronic equipment and the like.
Description
Technical field
The present invention relates to a kind of security authentication systems, especially a kind of based on a verification system of strength identification.
Background technology
In these informationalized epoch, about the more reliable Verification System of informational needs of individual privacy, trade secret and national security etc. is protected.Yet,, obtain the offender under litigant's the extreme case of organ such as eyeball or finger and also can be cracked even be considered to not reproducible iris and fingerprint recognition system.But each stroke when authenticator writes all contains its strength information that forms for a long time, and it is arranged by people's subconsciousness, thus this system not reproducible with crack.
Find through investigation simultaneously: only based on the product of person's handwriting identification, also less in the market about a research of strength identification.The existing product of strength context of detection has the numerical digit plate, but it is not suitable for being used in authenticated connection.And domestic present main direction of studying in this respect is writing identification authentication, lays particular emphasis on the two dimensional image recognizer, does not consider collection and identification to word strength information.And since the research of font identification than horn of plenty, algorithm is also more, can utilize the technology and the person's handwriting recognition technology of the image recognition of existing band color further to strengthen reliability.
Summary of the invention
For the authorization information that solves existing security system is prone to the problem that is replicated, steals, the invention provides a kind of based on a verification system of strength identification, the strength when its checking is based on the person writing, the security that has improved system efficiently solves the problems referred to above.
In order to realize that the technical scheme that the object of the invention adopts is: a kind of based on a verification system of strength identification; It is characterized in that: font, a strength information of writing on the processor control touch screen controller collection touch; And information read out; Behind the filtering noise reduction,, on display, export the result by the recognizer checking of comparing; When system initialization, import the initial acquisition sample by the user, set up user's initial data base, the comparison after being used for; Described font, a strength information are all encrypted storage, in case be replicated; Described touch screen controller provides one to interrupt the enable port, and the control touch-screen begins to gather font, a strength information of writing automatically when starting to write, and stops automatically gathering after writing completion.
Font, a strength information also can be gathered respectively, and when promptly touch-screen was caught the font information of writing, the strength information that the measurement module on the screen touch pen is write through the pressure transducer synchronous acquisition passed to master controller through bluetooth module.Master controller is at first eliminated time delay after receiving a strength information, make to receive that the positional information of gathering on force value and the touch-screen is corresponding one by one, then with recognizer with comparing in information that collects and the raw data base.
Corresponding processor can be PC, and its supporting host computer procedure can be upper procedure such as LabVIEW; Corresponding processor is flush bonding processor also.
Pressure can adopt touch screen controller from touch-screen, directly to gather, or uses special-purpose pen to gather, and special-purpose pressure sensor device is arranged in it.
On display, demonstrate writing when writing synchronously, and the pressure of writing every bit is shown with gray scale chart.
Designed concept of the present invention is novel, the security that has improved verification system greatly; Can realize the accurate demonstration of user writing; Each design module and the components and parts that adopt all have very high stability; And the technology maturation that hardware module needs; The cost of cost is low, can embed any system that needs checking, like the online login of login, gate control system, network of Hand held PC, above-knee PC, the authentication of mobile electronic device etc.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 is a software flow pattern
Fig. 2 is a system architecture diagram
Fig. 3 is AD7879 interface circuit figure
Fig. 4 is a PC checking process flow diagram
Fig. 5 is the screen touch pen structural drawing
Fig. 6 is based on the authentication figure of pressure transducer
1-processor, 2-touch-screen, 3-touch screen controller, 4-display, 5-single-chip microcomputer, 6-software systems, 7-screen touch pen, 8-measurement module, 9-pressure transducer among the figure.
Embodiment
In Fig. 1, Fig. 2, first embodiment shown in Figure 3; A kind of based on (embedded) verification system of strength identification; It is characterized in that: processor (1) is controlled font, a strength information of writing on touch screen controller (3) collection touch (2), and information is read out, and behind the filtering noise reduction, verifies and will verify that by the recognizer comparison result shows through display (4); Authentication success is promptly logined successful operation, otherwise authentification failure re-enters; Described font, a strength information are all encrypted storage; Described touch screen controller (3) provides one to interrupt the enable port, and the control touch-screen begins to gather font, a strength information of writing automatically when starting to write.Described touch screen controller (3) chip also can use other replacements of touch-screen control chip with pressure detection function.Display when writing demonstrates font on (4) synchronously, and with gray scale chart the pressure of writing every bit is shown, and it is big that pressure is write in the expression of dark colour point, and it is little that pressure is write in the expression of light colour point.
In Fig. 1, Fig. 3, described second embodiment of Fig. 4; A kind of based on (based on PC's) verification system of strength identification; It is characterized in that: single-chip microcomputer (5) is controlled font, a strength information of writing on touch screen controller (3) collection touch (2), and information is read out, and is sent to the PC end in a certain way; Receive by software systems (6) LabVIEW host computer procedure; Verify and will verify that the result shows that through display (3) authentication success is promptly logined successful operation through the filtering noise reduction after recognizer is compared, otherwise authentification failure re-enters; Described font, a strength information are all encrypted storage; Described touch screen controller (3) provides one to interrupt the enable port, and control touch-screen (2) begins to gather font, a strength information of writing automatically when starting to write.Described touch screen controller (3) chip also can use other replacements of touch-screen control chip with pressure detection function.Display when writing demonstrates font on (4) synchronously, and with gray scale chart the pressure of writing every bit is shown, and it is big that pressure is write in the expression of dark colour point, and it is little that pressure is write in the expression of light colour point.
In Fig. 1, Fig. 5, described the 3rd embodiment of Fig. 6; A kind of based on an embedded authentication systems of strength identification; It is characterized in that: when main controller controls touch-screen (2) is caught and to be write font information the time; The strength information that measurement module (8) on the screen touch pen (7) is write through pressure transducer (9) synchronous acquisition passes to master controller through bluetooth module.Master controller receives after the strength information that at first software is eliminated time delay; Make the positional information of receiving force value and the last collection of touch-screen (2) corresponding one by one; Then with recognizer with comparing in information that collects and the raw data base; And will verify that the result shows that through display (4) authentication success is promptly logined successful operation, otherwise authentification failure re-enters.Above-described font, a strength information are all encrypted storage.Described touch screen controller (3) chip also can use other replacements of touch-screen control chip with pressure detection function.Display when writing demonstrates font on (4) synchronously, and with gray scale chart the pressure of writing every bit is shown, and it is big that pressure is write in the expression of dark colour point, and it is little that pressure is write in the expression of light colour point.
Claims (8)
1. verification system based on the identification of strength; It is characterized in that: font, a strength information of writing on processor (1) control touch screen controller (3) collection touch (2); And information read out, by the recognizer checking of comparing, go up the output result at display (4).
2. according to claim 1 a kind of based on a verification system of strength identification, it is characterized in that: on display (4), demonstrate writing synchronously when writing, and the pressure of writing every bit is shown with gray scale chart.
3. an a kind of verification system based on the identification of strength according to claim 1 is characterized in that: when the font that system writes in processing, a strength information gained position coordinates and pressure signal, need through the filtering noise reduction.
4. according to claim 1 a kind of based on a verification system of strength identification; It is characterized in that: touch screen controller (3) provides one to interrupt the enable port; Control touch-screen (2) begins to gather font, a strength information of writing automatically when starting to write, and writes to stop automatically after the completion gathering.
5. according to claim 1 a kind of based on a verification system of strength identification; It is characterized in that: font, a strength information can be verified respectively; Be that touch-screen (2) is when catching the font information write; The strength information that measurement module (8) on the screen touch pen (7) is write through pressure transducer (9) synchronous acquisition passes to master controller through bluetooth module.
6. according to a claim 1 or 11 described a kind of verification systems of discerning based on a strength, it is characterized in that: pressure transducer (9) is installed on the screen touch pen (7), and it can be a baroceptor, or other forms of pressure sensor device.
7. system according to claim 1 is a kind of based on a verification system of strength identification, and it is characterized in that: its pressure acquisition also can adopt touch screen controller (3) chip, directly obtains pressure information from touch-screen.
8. according to a claim 1 or 7 described a kind of verification systems of discerning based on a strength, it is characterized in that: touch screen controller (3) chip can use AD7879, also can use other to have the touch-screen control chip of pressure detection function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101499189A CN102810162A (en) | 2011-06-03 | 2011-06-03 | Verification system based on pen strength identification |
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| CN2011101499189A CN102810162A (en) | 2011-06-03 | 2011-06-03 | Verification system based on pen strength identification |
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| CN102810162A true CN102810162A (en) | 2012-12-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103455739A (en) * | 2013-08-06 | 2013-12-18 | 苏州瀚瑞微电子有限公司 | Password verifying system |
| CN105095707A (en) * | 2015-07-10 | 2015-11-25 | 安徽师范大学 | Acquisition and certification system for remote three-dimensional signature information |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103455739A (en) * | 2013-08-06 | 2013-12-18 | 苏州瀚瑞微电子有限公司 | Password verifying system |
| CN105095707A (en) * | 2015-07-10 | 2015-11-25 | 安徽师范大学 | Acquisition and certification system for remote three-dimensional signature information |
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Owner name: JIN HONGLING Free format text: FORMER OWNER: MEI JIAN Effective date: 20150806 Free format text: FORMER OWNER: HUANG YONGLIANG LIU XIANG CHEN CONG PU WENJIN MAO WEI LIANG SHUYU Effective date: 20150806 |
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Effective date of registration: 20150806 Address after: 311800, Zhejiang, Shaoxing province Zhuji East White Lake Town, new springs village springs Bay Applicant after: Jin Hongling Address before: 430074 0807 class, Department of Electronic Science and technology, Huazhong University of Science and Technology, Hubei, Wuhan Applicant before: Mei Jian Applicant before: Huang Yongliang Applicant before: Liu Xiang Applicant before: Chen Cong Applicant before: Pu Wenjin Applicant before: Mao Wei Applicant before: Liang Shuyu |
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Application publication date: 20121205 |