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Mobile storage device with authentication function

A mobile storage device and authentication technology, applied in the field of mobile storage device design, can solve the problem of not being able to handle image textures of different scales and frequencies

Active Publication Date: 2016-12-07
江苏心灵鸡汤信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above problems, the present invention provides a mobile storage device with a fast recognition speed and a wide recognition range, which solves the mobile storage device system in the related art that uses basic LBP operators to extract and encode iris image features The problem of not being able to handle image textures of different scales and frequencies

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] see figure 1 , figure 2 In this embodiment, a mobile storage device with an identity verification function includes a mobile storage device and an iris identifier connected to the mobile storage device by electrical signals, and the mobile storage device includes:

[0050] Security chip, COS system and Flash memory, integrated mobile storage device security management software on the Flash memory; The security chip includes a USB communication interface, a Flash controller interface and a storage space, the storage space is stored with a certificate of authority, The identity field of the account and the corresponding authority field are set on the authority certificate; the authority field contains the users set by the security management software of the mobile storage device to browse, create, modify, rename, Copying, printing, deleting, saving, dragging, pasting, and network sending and other user operation rights, the user operation rights are set by the mobile st...

Embodiment 2

[0084] see figure 1 , figure 2 In this embodiment, a mobile storage device with an identity verification function includes a mobile storage device and an iris identifier connected to the mobile storage device by electrical signals, and the mobile storage device includes:

[0085] Security chip, COS system and Flash memory, integrated mobile storage device security management software on the Flash memory; The security chip includes a USB communication interface, a Flash controller interface and a storage space, the storage space is stored with a certificate of authority, The identity field of the account and the corresponding authority field are set on the authority certificate; the authority field contains the users set by the security management software of the mobile storage device to browse, create, modify, rename, Copying, printing, deleting, saving, dragging, pasting, and network sending and other user operation rights, the user operation rights are set by the mobile st...

Embodiment 3

[0119] see figure 1 , figure 2 In this embodiment, a mobile storage device with an identity verification function includes a mobile storage device and an iris identifier connected to the mobile storage device by electrical signals, and the mobile storage device includes:

[0120] Security chip, COS system and Flash memory, integrated mobile storage device security management software on the Flash memory; The security chip includes a USB communication interface, a Flash controller interface and a storage space, the storage space is stored with a certificate of authority, The identity field of the account and the corresponding authority field are set on the authority certificate; the authority field contains the users set by the security management software of the mobile storage device to browse, create, modify, rename, Copying, printing, deleting, saving, dragging, pasting, and network sending and other user operation rights, the user operation rights are set by the mobile st...

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Abstract

The invention relates to a mobile storage device with an authentication function. The mobile storage device comprises a mobile storage device body and an iris recognizer connected with the mobile storage device body through electrical signals. The iris recognizer comprises a sampling module, a preprocessing module, a characteristic encoding module and a code matching module, wherein the characteristic encoding module is used for extracting and encoding characteristics of an iris image and comprises a first-time LBP operator processing submodule, a second-time LBP operator processing submodule, a third-time LBP operator processing submodule and a fourth-time LBP operator processing submodule. Relevance between the center point and other neighbourhoods around the center point is improved, image texture different in scale and frequency can be met, after multi-time processing of the LBP operator processing submodules, the encoding length is reduced continuously without affecting the relevance between the center point and other neighbourhoods, storage space is saved, the calculation amount is reduced, recognition speed is increased, the recognition accuracy is improved, and robustness is high.

Description

technical field [0001] The invention relates to the design field of mobile storage devices, in particular to a mobile storage device with identity verification function. Background technique [0002] In related technologies, mobile storage devices with identity verification functions usually use basic LBP (local binary pattern) operators to extract and encode iris image features. LBP operators are a method for describing texture features in the grayscale range of images. It has strong robustness to illumination changes, so it is widely used in image texture feature extraction. [0003] The basic LBP operator is generally defined as: in a 3×3 window by the center point n c and its surrounding 8 neighbors n 0 ,...n 7 composition, where the texture T is defined as: T=(n 0 -n c ,n 1 -n c ,...,n 7 -n c ), binarize it, and use n c As the threshold, the 8 points of the neighborhood and n c Comparison, if the value greater than the center point is marked as 1, otherwise i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/32G06F21/79
CPCG06F21/32G06F21/79
Inventor 不公告发明人
Owner 江苏心灵鸡汤信息技术有限公司
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