Fingerprint scanning method and device and gesture recognition method and device

A scanning method and technology of a scanning device, applied in the field of fingerprint scanning, can solve the problems of large data volume, high gesture misrecognition rate, low reporting rate, etc., and achieve the effects of high reporting rate, improving scanning rate, and fast response speed.

Inactive Publication Date: 2016-04-27
CHIPONE TECH BEIJINGCO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Different from the traditional touchpad, this method can accurately determine the position of the finger, and combine different finger trajectories and operations to achieve different interactions. However, due to the large amount of data and the processing of the collected image data, the reporting rate is relatively low. Low, resulting in a high gesture misrecognition rate

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  • Fingerprint scanning method and device and gesture recognition method and device
  • Fingerprint scanning method and device and gesture recognition method and device
  • Fingerprint scanning method and device and gesture recognition method and device

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Embodiment Construction

[0068] The present invention is described below based on examples, but the present invention is not limited to these examples. In the following detailed description of the invention, some specific details are set forth in detail. The present invention can be fully understood by those skilled in the art without the description of these detailed parts. To avoid obscuring the essence of the present invention, well-known methods, procedures, procedures, and components have not been described in detail.

[0069] Refer below Figure 1 to Figure 6 Embodiments of the fingerprint scanning method and device of the present invention are described.

[0070] The invention provides a fingerprint scanning method, such as figure 1 shown, which includes:

[0071] Scan the sensor area once to locate the area where the fingerprint is located;

[0072] A second scan is performed on the area where the fingerprint is located to obtain a fingerprint image.

[0073] The fingerprint scanning met...

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Abstract

The invention is to provide a fingerprint scanning method and device and a gesture recognition method and device, and is mainly to solve the problems of low fingerprint scanning speed, low point reporting rate of gesture recognition and high error recognition rate in the prior art. The fingerprint scanning method comprises carrying out primary scanning on a sensor area to position a fingerprint area; and carrying out secondary scanning on the fingerprint area to obtain a fingerprint image. The fingerprint scanning method comprises two scanning; one scanning is coarse scanning carried out in the whole sensing image range, and fingerprint area images can be obtained quickly; and then, the fingerprint area is subjected to secondary scanning to obtain the fingerprint images without carrying out fine scanning on the whole sensing images, thereby ensuring precise fingerprint images and meanwhile, improving scanning speed effectively, and reducing average power consumption of sensors.

Description

technical field [0001] The invention relates to the field of fingerprint scanning, in particular to a fingerprint scanning and gesture recognition method and device. Background technique [0002] At present, there are two main ways to realize the fingerprint sensor as a touch panel: fixed point detection and image recognition detection. [0003] Fixed point detection means that multiple detection points are evenly distributed on the sensor. When the finger covers the current detection point, the detection circuit will be triggered, and the finger pressing information can be obtained by querying the register, but the finger position cannot be accurately identified. This method is generally used as a wake-up command and start signal collection command, but less interaction can be achieved. [0004] Image recognition detection refers to continuously collecting fingerprint images, and then processing the images to calculate the corresponding coordinate points of the fingers. D...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V40/1335G06V40/1306G06V30/32
Inventor 翟天辰
Owner CHIPONE TECH BEIJINGCO LTD
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