Method, system and device for information acquisition and extraction by means of biological characteristics
A biometric and optical signal technology, which is applied to eye testing equipment, eye acquisition/recognition, application, etc., can solve problems such as being easily stolen, and achieve the effect of preventing repudiation and preventing repudiation
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Embodiment 1
[0055] figure 1 This embodiment provides a schematic flowchart of a method for acquiring information using biometric features, as shown in figure 1 As shown, the method includes the following steps (S101-S103):
[0056] S101: The terminal acquires first data;
[0057] In this embodiment, the terminal can be any of the following devices: smart phones, tablet computers, notebook computers, PCs, electronic signature devices (such as ICBC U-Shield, Agricultural Bank K-Pay), or wearable devices.
[0058] In this embodiment, the first data is the data that needs to be represented by the iris contraction activity. The first data can be any one or any combination of time, place, person (such as name), order information, transaction information and signature data, or a combination of the above time, place, person, order information, transaction information and signature data The characteristic value generated by calculation of any one or its combination, of course, can also be the d...
Embodiment 2
[0075] image 3 This embodiment provides a schematic flowchart of a method for information extraction using biometric features, such as image 3 As shown, the method includes the following steps (S201-S202):
[0076] S201: The background server receives the first iris information sent by the terminal;
[0077] In this embodiment, the terminal obtains the first iris information through the implementation method in Embodiment 1. The first iris information includes at least the first iris contraction information. The information is sent to the background server, and the background server receives the first iris information sent by the terminal.
[0078] S202: The background server extracts first data from the first iris contraction information according to a preset rule.
[0079] In a specific application, after the background server receives the first iris contraction information, the background server recognizes the state of the iris contraction through an algorithm such as ...
Embodiment 3
[0086] Figure 4 A schematic structural diagram of a terminal is provided for this embodiment, such as Figure 4 As shown, the terminal 40 includes: a first acquisition module 401 , a light source generation module 402 , a control module 403 and an output module 404 .
[0087] Among them, the first acquisition module 401 is used to acquire the first data; the light source generation module 402 is used to generate the light source; the control module 403 is used to control the light source to generate an optical signal with varying intensity according to the first data; the output module 404 is used to Projecting an optical signal with varying intensity on the iris; the first acquisition module 401 is also used to acquire first iris information, the first iris information at least includes first iris contraction information, wherein the first iris contraction information is the iris according to the intensity change generated from the optical signal, the first iris contraction...
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