Gesture-based digital password input method and system thereof

A password input and gesture technology, which is applied in the gesture-based digital password input method and its system field, can solve problems such as insufficient security of digital password input, and achieve the effects of easy implementation, low risk of deciphering, and fast input speed

Inactive Publication Date: 2017-03-15
SHENZHEN ORBBEC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a gesture-based digital password input method and its system to solve the technical problem of insufficient security of digital password input in the above-mentioned prior art

Method used

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  • Gesture-based digital password input method and system thereof
  • Gesture-based digital password input method and system thereof
  • Gesture-based digital password input method and system thereof

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Embodiment 1

[0032] This embodiment will describe in detail the digital password input system of the ATM cash machine. like figure 1 As shown, the system includes an input device 1 and an acquisition darkroom 2 arranged on the input device 1, a depth image acquisition module 3, a processor 4 and an indicator 5. The depth image acquisition module 3 is arranged in the acquisition darkroom 2 for use in For collecting depth images including hand regions; the processor 4 is used for segmenting palm depth images, performing gesture modeling on the depth images, and converting between gestures and digital passwords; the indicator 5 is used for gestures Reminder or guidance in the process of inputting numbers, the above-mentioned input device 1 is an ATM machine.

[0033] Indicator 5 here refers to the display screen of the ATM machine, which is used to display functions such as reminders and guidance in processes such as password input; In this embodiment, the depth image acquisition module 3 i...

Embodiment 2

[0046] like Figure 1-2 Shown, based on the digital password input system on the ATM machine of embodiment one, implement the digital password input method based on gesture, comprise the steps:

[0047] S1. Input a gesture in the collection dark room 2, and collect a depth image including the hand area;

[0048] S2. Perform preprocessing and hand segmentation on the collected depth image to obtain a palm depth image;

[0049] S3. Perform gesture modeling on the palm depth image according to a predefined gesture category to obtain a gesture model;

[0050] S4. Identify the gesture model according to the predefined mapping relationship between gesture categories and numbers, and convert to obtain a corresponding digital password string.

[0051] Gesture input is performed in an opaque acquisition darkroom 2 that only allows hands to enter, so that the security of password input can be guaranteed. The acquisition is performed by the depth image acquisition module 3 arranged in ...

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Abstract

The present invention discloses a gesture-based digital password input method and a system thereof. The system comprises the steps of S1, inputting a gesture in a collection darkroom and acquiring a depth image containing a hand area; S2, preprocessing the acquired depth image and segmenting a hand part to obtain the depth image of the palm of the hand part; S3, subjecting the depth image of the palm to gesture modeling to obtain a gesture model according to a predefined gesture category; S4, identifying the gesture model according to a mapping relationship between the predefined gesture category and digitals, and converting to obtain a corresponding digital code string. According to the technical scheme of the invention, the peeping phenomenon during the inputting process of passwords can be avoided. Meanwhile, no personal information including fingerprints and the like, which might be acquired by a lawless person, is left. Therefore, during the entire inputting process, no information is left, and the information leakage is avoided. The password cracking risk is small and the password inputting security is high.

Description

technical field [0001] The invention relates to the technical field of computer and digital image processing, in particular to a gesture-based digital password input method and a system thereof, which use gestures to input digital passwords. Background technique [0002] At present, the password input of ATM cash machines, POS card machines and access control equipment is still dominated by keyboards. The advantages of using keyboard input are accurate and fast, but there are also some security risks. Especially for the ATM cash machine, the user is easy to be peeped by others because it is impossible to realize full shielding during the password input process. After the password is input, it can also be deciphered according to the residual information of the user's fingerprint. [0003] The disclosure of the above background technical content is only used to assist in understanding the inventive concepts and technical solutions of the present invention, and it does not nece...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/34G07F19/00G06F21/32
CPCG06F21/32G07F19/20G06V40/28G06V40/113G06V40/117G06V10/267
Inventor 黄源浩刘龙肖振中许星
Owner SHENZHEN ORBBEC CO LTD
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