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Method and system for finger-writing signatures on touch screen

A touch screen and finger technology, which is applied in the field of touch screen finger writing signature, can solve the problems that the electronic signature method cannot be anti-counterfeiting and anti-tampering, and achieve high anti-counterfeiting, improved accuracy, and fast comparison

Active Publication Date: 2015-03-25
CHINA TELECOM CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above, the present invention proposes a method and system for writing a signature with a finger on a touch screen to solve the problem that the electronic signature method cannot be counterfeited and tamper-proof

Method used

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  • Method and system for finger-writing signatures on touch screen

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Embodiment Construction

[0029] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements and numerical values ​​of components and steps set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0030] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0031] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0032] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification.

[0...

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Abstract

The invention discloses a method and a system for finger-writing signatures on a touch screen. The method includes: a vein image of a writer of an electronic signature; outputting the vein image; extracting vein feature values from the vein image; comparing the extracted vein feature values to stored vein feature values; if consistence is confirmed, outputting finger writing files, and combing the finger writing files and the extracted vein feature values into a finger-written signature file. The method and the system have the advantages that authentication is more accurate and faking and tampering is prevented.

Description

technical field [0001] The invention belongs to the technical field of mobile terminal security, and in particular relates to a method and a system for writing a signature with a finger on a touch screen. Background technique [0002] Currently, mobile terminal users have two electronic signature methods. [0003] The first electronic signature method is to write a signature on the touch screen of a mobile terminal, and the written handwriting is used as an electronic document signature or as a basis for authentication. Compared with the handwriting written with ordinary pens, the handwriting written on the touch screen has less obvious handwriting features such as stroke movement, stroke crossing, word structure and stroke order, so more words need to be written as inspection materials for identification. If only signatures are written, the identification Accuracy is low and the signature is easily imitated. It is only applicable to the signing of low-value electronic con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/32
CPCG06F21/32G06F21/33
Inventor 庄永昌王建秀
Owner CHINA TELECOM CORP LTD
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