CN106295621B - A kind of handwritten numeral signature system for STM machine - Google Patents
A kind of handwritten numeral signature system for STM machine Download PDFInfo
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- CN106295621B CN106295621B CN201610745452.1A CN201610745452A CN106295621B CN 106295621 B CN106295621 B CN 106295621B CN 201610745452 A CN201610745452 A CN 201610745452A CN 106295621 B CN106295621 B CN 106295621B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/30—Writer recognition; Reading and verifying signatures
- G06V40/33—Writer recognition; Reading and verifying signatures based only on signature image, e.g. static signature recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
- G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
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Abstract
The invention discloses a kind of handwritten numeral signature systems for STM machine, user's stroke writing is collected including stroke pickup model, it is signature image information that user's stroke is arranged stroke information by image-forming module of signing, signature analysis module is from vertical and horizontal angle, obtained signature image information is analyzed at stroke interval and turning angle etc., store the information storage module of signature image information and signature character information, the signing messages of receiving front-end circuit transmission and the signing messages receiving module for analyzing forwarding, the image information that signature image information is divided into component image information is divided into module, with the signing messages encrypting module for encrypting and forwarding to the component image information and signature character information received, with the communication module of connection subsequent conditioning circuit.Remaining handwritten numeral signature uniquely corresponding advantage that can not be counterfeit and can provide a kind of handwritten numeral signature system for STM machine to encrypted signature for signature and my identity.
Description
Technical field
The present invention relates to handwritten numeral signature acquisition systems more particularly to a kind of handwritten numeral for STM machine to sign and be
System.
Background technique
The advantages of current electric signing system is all made of digital signature, digital signature is the sender of only information
Others the number of segment word string that can not forge that can be generated, this number of segment word string is also to send information truth to the sender of information simultaneously
One valid certificates of property, it can be ensured that the safety of information.But its disadvantage is also fairly obvious, that is, digital signature ensure that
The correct corresponding relationship of information and sender, but cannot be guaranteed that the identity of information transmitter is accurate, it is briefly, any that there is number
The people of word signature private key can become information transmitter, and when digital signature private key leakage, anyone can usurp digital label
Name transmits, not fool proof.In this regard, handwritten signature then has higher non-reproduction.Handwritten signature is due to personal font
Difference, writing style are different, text layout not equivalent feature uniqueness with higher, each not phase of everyone writing style
Together, even if personal unique writing style can also be left in terms of stroke angle, stroke by deliberately imitating other people fonts, therefore
And handwritten signature can be from stroke angle, stroke interval etc. is distinguished.Have the characteristics that just because of handwritten signature above, it is determined that
Handwritten signature and my identity are uniquely corresponding, feature that can not be counterfeit, if replacing existing digital signature with handwritten signature,
Then there is no signature private key to reveal, and the easily stolen risk of information has higher safety, is very suitable for banking equipment.
Handwritten signature then has higher non-reproduction, and handwritten numeral signature is uniquely corresponding with my identity, can not imitate
It emits, there is no signature private key to reveal, and the easily stolen problem of information has higher safety.Handwritten numeral signature safety
Uniqueness on be substantially better than digital signature, but still use digital signature of the digital signature as banking equipment at present, study carefully it
Reason is then that handwritten numeral signature needs in addition to encrypt signing messages, and is directed to the encryption to signature picture, and
Picture usually is not easy to encrypt greatly compared with data volume, and inherently a kind of cryptographic means of digital signature are not necessarily to separately encrypt, Wu Fajia
Close signature system is not suitable for banking equipment, in this regard, can then solve if there is the handwritten numeral signature system that one kind can encrypt
Handwritten numeral signature is not easy the problem of encrypting, may not apply to banking equipment.
Summary of the invention
The present invention provides a kind of handwritten numeral signature systems for STM machine, it is intended to solve electronic signature at present and exist
Digital signature private key is easily revealed, the easily stolen problem of information, provide a kind of electronic signature and my identity uniquely it is corresponding not
Can be counterfeit, signature can encrypt, suitable for STM and handwritten numeral signature system.
A kind of handwritten numeral signature system for STM machine of the present invention, comprising:
Stroke pickup model, receive user action, extract user's stroke, and by the stroke information of extraction be sent to signature at
As module；
Signature image-forming module receives stroke information and simultaneously arranges, obtain signature image information and be forwarded to signature analysis module；
Signature analysis module receives signature image information, confirms signature contents, analyzes the vertical and horizontal angle of signature, between stroke
Away from as signature character information, signature image information and signature character information composition signing messages are sent to letter with turning angle
Cease memory module；
Information storage module receives signing messages, stores and be forwarded to signing messages receiving module；
Signing messages receiving module receives signing messages and analyzes, and signature image information therein is forwarded to image letter
Conversion module is ceased, signature character information is forwarded to signing messages encrypting module；
Image information divides module, receives signature image information, the signature image information received is converted to signature map
Piece is split mark sequence to signature picture and obtains the picture block of component, carries out being converted to component image letter respectively to picture block
Breath, and component image information is forwarded to signing messages encrypting module；
Signing messages encrypting module receives component image information and signature character information, is encrypted and signed to it
Encrypted signature information is forwarded to communication module by encryption information；
Communication module receives the encrypted signature information that signing messages encrypting module is sent, and forwarding encrypted signature information is to rear
Continuous circuit, realizes the communication with subsequent conditioning circuit.
A kind of handwritten numeral signature system for STM machine of the present invention collects user by stroke pickup model
Stroke writing, and the stroke information of collection is sent to signature image-forming module and arranges user's stroke for signature image, thus obtain
Obtain user's handwritten signature.Individual is best embodied solely from vertical and horizontal angle, stroke interval and turning angle etc. by signature analysis module
The aspect of special writing style analyzes obtained signature image information, and information above is sent to information storage module and is protected
It deposits, can be corresponding with user by handwritten signature to confirm the specific writing style of user, even if other people imitate user's label
Name is as the writing styles such as vertical and horizontal angle, stroke interval and turning angle are different and are rejected.This kind of handwritten numeral signature
The not simple a certain handwritten signature of acquisition user of acquisition system, its specific writing is obtained by the handwritten signature of user
Habit confirms user identity will pass through comparison writing style, is not the registration of simple comparison signature, has higher
Flexibility and accuracy.The signature twice of the same person can also have differences, if only by comparison signature registration come simple
Confirmation electronic signature, in some instances it may even be possible to script obtain signature compared with, the signature deliberately imitated not as good as other people of signing in person
Similarity is high, and only comparison signature registration can not be corresponding with me by handwritten signature, instead to criminal can multiply it
Machine.And signing messages receiving module receives signing messages, analyzes signing messages, distinguishes signature image information therein
With signature character information, signature image information and signature character information are handled respectively, the isolation of big data is realized, has
Conducive to raising information transfer efficiency.Image information segmentation module handles the signature image information received, will first receive
To image information be converted to picture, be split to picture, the component picture after segmentation be finally converted into component image
Information, this kind of dividing method not instead of to the direct segmentation of image information, by image information be reduced to after picture to picture into
The problem of row is divided, and information integrity is not influenced, and can not be reduced to image after dividing there is no information, the component map divided
Signature picture is finally obtained as information can be reduced to component picture.This kind of dividing method divides the signature pictorial information of big data
It has been segmented into the component image information of small data, component image information is forwarded to signing messages encrypting module and signature character information
It is encrypted together, is herein small data encryption, calculation amount is small, and easy to accomplish and enciphering rate is fast, is different from traditional straight
It connects to signature image ciphering, there is no the problems that the transmission of big data image ciphering is difficult.And the present invention is by retaining user's signature
The specific writing style of user is obtained, the specific writing style of user is not easy to change, can not imitate, can be by user identity and label
Name uniquely is mapped, compared with existing digital signature system, the problem of Key Exposure is not present, and with better safety,
Compared with the system for obtaining a certain signature merely, the present invention obtains its specific writing style by the handwritten signature of user, makes
Must sign electronically with my identity it is unique it is corresponding can not be counterfeit, there is higher accuracy, be point by big data picture segmentation
The cipher mode that amount image information is encrypted overcomes handwritten numeral by dividing the encryption realized to big data picture
Image data amount is not easy greatly the problem of encrypting in signature encrypted signature, so that handwritten numeral signature can carry out encryption system, can fit
For STM machine.
Detailed description of the invention
Fig. 1 is a kind of system block diagram of handwritten numeral signature system for STM machine.
Specific embodiment
As shown in Figure 1, a kind of handwritten numeral signature system for STM machine, comprising: stroke pickup model receives user
Movement extracts user's stroke, and the stroke information of extraction is sent to signature image-forming module；Signature image-forming module, receives stroke
Information simultaneously arranges, and obtains signature image information and is forwarded to signature analysis module；Signature analysis module receives signature image letter
Breath confirms signature contents, analyzes the vertical and horizontal angle of signature, stroke spacing and turning angle as signature character information, will sign
Image information and signature character information composition signing messages are sent to information storage module；Information storage module receives A.L.S.
Breath, stores and is forwarded to signing messages receiving module；Signing messages receiving module receives signing messages and analyzes, will be therein
Signature image information is forwarded to image information conversion module, and signature character information is forwarded to signing messages encrypting module；Image
Information divides module, receives signature image information, the signature image information received is converted to signature picture, to signature picture
It is split mark sequence and obtains the picture block of component, be converted to component image information to picture block respectively, and by component map
As information is forwarded to signing messages encrypting module；Signing messages encrypting module receives component image information and signature character information,
It is encrypted to obtain encrypted signature information, encrypted signature information is forwarded to communication module；Communication module receives A.L.S.
The encrypted signature information that encryption for information module is sent, forwarding encrypted signature information to subsequent conditioning circuit realize the communication with subsequent conditioning circuit.
Stroke pickup model collects user's stroke writing, and user's stroke is arranged stroke information as signature image letter by signature image-forming module
Breath, signature analysis module divide obtained signature image information from vertical and horizontal angle, stroke interval and turning angle etc.
Analysis, to confirm the specific writing style of user, obtaining one kind can handwritten numeral signature corresponding with user identity.Subsequent signature letter
Encryption for information module provides one kind and is applicable to STM by the way that big data is divided into small data to realize the encryption to big data
The handwritten numeral signature system of machine.
Signature analysis module described in handwritten numeral signature system of this kind for STM machine includes vertical and horizontal angle analysis list
Member, confirms the vertical and horizontal stroke in signature image information, and the angle that record horizontal stroke and horizontal direction are formed records perpendicular stroke and hangs down
Vertical and horizontal angle information and is forwarded to processing unit to the angle of formation by histogram；Stroke spacing analytical unit confirms signature image
Stroke interval in information analyzes the ratio of stroke gap length and font length, confirms and record stroke interval information simultaneously
It is forwarded to processing unit；Turning angle analytical unit confirms the stroke turning point in signature image information, analysis stroke turnover
Angle simultaneously records turning angle information and is forwarded to processing unit；Processing unit receives vertical and horizontal angle information, stroke interval information
Information storage module is sent to as signature character information with turning angle information.It anyhow can't real water when handwritten signature
It is flat or vertical, but there are certain angles, this angle is related with personal writing style, everyone is different, point
The angle of horizontal stroke and horizontal direction formation is analysed, the angle that perpendicular stroke and vertical direction are formed forms vertical and horizontal angle information and should
Information is retained as a feature of hand-written electric signature.In addition the stroke gap of different people and turning angle be not also identical,
Analysis stroke gap and turning angle and the feature for being also used as both hand-written electric to sign, are conducive to follow-up equipment to hand-written
More accurate judgement is made in electronic signature, other features are compared when not meeting one of feature, avoid single features pair
Than contingency that may be present.
Handwritten numeral signature system of this kind for STM machine further includes characteristic extracting module, receives signature analysis module hair
The signature character information sent analyzes repeatedly sign different vertical and horizontal angles, stroke interval and turning angle, takes the mean value of simultaneously data
And mean square deviation, centered on its mean value, mean square deviation is used as the section of range judges that section determines signature character information and forwards
To information storage module.The multiple different signature of global alignment, obtains certain characteristic range of characterization writing style, obtains more
Flexibly accurate signature character information, can influence of the contingency to hand-written electronic signature unavoidably as far as possible, will not be because of writing environment
The certain features for influencing handwritten signature cause subsequent authentication to fail, and more flexible accurately signature character information is renewed after can guarantee
The working efficiency of name authenticating device.
Handwritten numeral signature system of this kind for STM machine further includes a sequence logging modle, receives stroke pickup model hair
The stroke information sent simultaneously records stroke order, and signature imaging is sent to together with stroke information using stroke order as sequence information
Module.Since the stroke order of personal writing is also likely to be present difference, record stroke order is after sequence information is sent to the most
Continuous circuit, can subsequent authentication electronic signature the most a kind of preliminary authentication feature, if the stroke order of signature is not identical
Current signature is judged to be counterfeit, judges other signature character information without continuing, the efficiency of subsequent authentication can be improved.
This kind is used for the handwritten numeral signature system of STM machine, and the image information segmentation module includes that information conversion is single
Member receives the signature image information of processing forward, and the signature image information received is converted to signature picture, forwards signature map
Piece is to picture segmentation unit；Picture segmentation unit receives the signature picture that information conversion unit is sent, and divides signature picture
It cuts mark sequence and obtains component picture block, component picture is forwarded to picture converting unit；Picture converting unit receives picture segmentation list
The component picture received is converted to component image information, forwarding component image information to processing by the component picture that member is sent
Unit；Processing unit receives the signature image information of signing messages receiving module forwarding and is forwarded to information conversion unit,
It receives the component image information that picture converting unit is sent and is forwarded to signing messages encrypting module.The module is converted using information
Signature image information is converted to signature picture by unit, is split using picture segmentation unit to picture rather than directly to letter
Breath is split, and not will lead to the loss of information, and picture is not damaged while big data information is become small data information, is protected
The safe and complete transmission of signed certificate name picture.Picture segmentation unit converts big data picture segmentation by picture after component picture
Component picture is converted to component image information by module, final to realize from big data information to the segmentation of small data information.
Signing messages encrypting module described in handwritten numeral signature system of this kind for STM machine includes that key generates single
Member generates the key for encryption information and by key forwarding to Encryption Algorithm unit；Encryption Algorithm unit receives component image
The key that information, signature character information and Key generating unit are sent is believed using key pair component image information and signature character
Breath is encrypted, and is obtained encrypted signature information and is forwarded to communication module.The signing messages encrypting module after segmentation to obtaining
The component image information and signature character information of small data are encrypted, and key is generated by the Key generating unit of itself, no
Easily leakage key, encrypts safer.Wherein Key generating unit is real random number generator, and real random number generator is due to that can give birth to
Produce real random number, each to count existing probability equivalent, has not regulation, use its as key produce module can guarantee it is close
Key is unpredictable, has the anti-crack ability of stronger analysis resistant.
Claims (7)
1. a kind of handwritten numeral signature system for STM machine characterized by comprising
Stroke pickup model receives user action, extracts user's stroke, and the stroke information of extraction is sent to signature imaging mould
Block；
Signature image-forming module receives stroke information and simultaneously arranges, obtain signature image information and be forwarded to signature analysis module；
Signature analysis module receives signature image information, confirms signature contents, analyzes the vertical and horizontal angle of signature, stroke spacing and
Signature image information and signature character information composition signing messages are sent to information and deposited by turning angle as signature character information
Store up module；
Information storage module receives signing messages, stores and be forwarded to signing messages receiving module；
Signing messages receiving module, receives signing messages and analyzes, and signature image information therein is forwarded to image information point
Module is cut, signature character information is forwarded to signing messages encrypting module；
Image information divides module, receives signature image information, the signature image information received is converted to signature picture, right
Signature picture is split mark sequence and obtains the picture block of component, carries out being converted to component image information respectively to picture block, and
Component image information is forwarded to signing messages encrypting module；
Signing messages encrypting module receives component image information and signature character information, is encrypted to obtain encrypted signature to it
Encrypted signature information is forwarded to communication module by information；
Communication module receives the encrypted signature information that signing messages encrypting module is sent, forwarding encrypted signature information to subsequent electricity
The communication with subsequent conditioning circuit is realized on road.
2. a kind of handwritten numeral signature system for STM machine according to claim 1, which is characterized in that the signature
Analysis module includes vertical and horizontal angle analysis unit, confirms the vertical and horizontal stroke in signature image information, record horizontal stroke and level side
To the angle of formation, the angle of perpendicular stroke and vertical direction formation is recorded, and vertical and horizontal angle information is forwarded to processing unit；
Stroke spacing analytical unit confirms the stroke interval in signature image information, analyzes stroke gap length and font is long
The ratio of degree confirms and records stroke interval information and is forwarded to processing unit；
Turning angle analytical unit confirms the stroke turning point in signature image information, the angle and record of analysis stroke turnover
Turning angle information is simultaneously forwarded to processing unit；
Processing unit receives vertical and horizontal angle information, stroke interval information and turning angle information and sends as signature character information
To information storage module.
3. a kind of handwritten numeral signature system for STM machine according to claim 1, which is characterized in that further include spy
Extraction module is levied, the signature character information that signature analysis module is sent is received, analyzes repeatedly sign different vertical and horizontal angles, stroke
Spacing and turning angle take the mean value and mean square deviation of simultaneously data, and centered on its mean value, mean square deviation is used as the section of range to be sentenced
Disconnected section determines signature character information and is forwarded to information storage module.
4. a kind of handwritten numeral signature system for STM machine according to claim 1, which is characterized in that further include pen
Sequence logging modle receives the stroke information that stroke pickup model is sent and records stroke order, believes stroke order as sequence
Breath is sent to signature image-forming module together with stroke information.
5. a kind of handwritten numeral signature system for STM machine according to claim 1, which is characterized in that described image
Information divides module
Information conversion unit receives the signature image information of processing forward, and the signature image information received is converted to signature
Picture, forwarding signature picture to picture segmentation unit；
Picture segmentation unit receives the signature picture that information conversion unit is sent, and is split mark sequence to signature picture and is divided
Component picture is forwarded to picture converting unit by spirogram tile；
Picture converting unit receives the component picture that picture segmentation unit is sent, the component picture received is converted to component
Image information, forwarding component image information to processing unit；
Processing unit receives the signature image information of signing messages receiving module forwarding and is forwarded to information conversion unit,
It receives the component image information that picture converting unit is sent and is forwarded to signing messages encrypting module.
6. a kind of handwritten numeral signature system for STM machine according to claim 1, which is characterized in that the signature
Information encrypting module includes Key generating unit, generates the key for encryption information and by key forwarding to Encryption Algorithm list
Member；
The key that Encryption Algorithm unit, reception component image information, signature character information and Key generating unit are sent, utilization are close
Key encrypts component image information and signature character information, obtains encrypted signature information and is forwarded to communication module.
7. a kind of handwritten numeral signature system for STM machine according to claim 6, which is characterized in that the key
Generation unit is real random number generator.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235177C (en) * | 2002-03-19 | 2006-01-04 | 株式会社富士通基本软件技术 | Hand-wirte signature recognition program, method and device |
| CN202217278U (en) * | 2011-08-22 | 2012-05-09 | 张京伦 | An examination-dedicated digital processing system based on the internet of things |
| CN202217283U (en) * | 2011-09-06 | 2012-05-09 | 上海新跃物流企业管理有限公司 | Remote genuine signature system |
| CN103824094A (en) * | 2012-11-16 | 2014-05-28 | 方正国际软件（武汉）有限公司 | Handwriting verification apparatus and handwriting verification method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014032660A (en) * | 2012-07-09 | 2014-02-20 | Ricoh Co Ltd | Electronic information terminal, method for protecting handwritten information, and document management system |
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2016
- 2016-08-29 CN CN201610745452.1A patent/CN106295621B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1235177C (en) * | 2002-03-19 | 2006-01-04 | 株式会社富士通基本软件技术 | Hand-wirte signature recognition program, method and device |
| CN202217278U (en) * | 2011-08-22 | 2012-05-09 | 张京伦 | An examination-dedicated digital processing system based on the internet of things |
| CN202217283U (en) * | 2011-09-06 | 2012-05-09 | 上海新跃物流企业管理有限公司 | Remote genuine signature system |
| CN103824094A (en) * | 2012-11-16 | 2014-05-28 | 方正国际软件（武汉）有限公司 | Handwriting verification apparatus and handwriting verification method |
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