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Distance gesture recognition method and device and intelligent equipment

A gesture recognition and gesture technology, applied in measuring devices, character and pattern recognition, radio wave reflection/re-radiation, etc., can solve problems such as limited millimeter wave radar applications, achieve excellent user experience effects, and have wide application prospects Effect

Inactive Publication Date: 2021-02-12
苏州矽典微智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the use of millimeter-wave radar is mostly applied to the judgment of the target distance, which limits the application of millimeter-wave radar to a large extent

Method used

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  • Distance gesture recognition method and device and intelligent equipment
  • Distance gesture recognition method and device and intelligent equipment
  • Distance gesture recognition method and device and intelligent equipment

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Experimental program
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Embodiment 1

[0026] This embodiment discloses a gesture recognition method in the air, which is applied to millimeter wave radar. Such as figure 1 As shown, the millimeter-wave radar system applied to the air gesture recognition method of this embodiment transmits and receives through the antenna of the millimeter-wave radar, and then outputs the received echo signal to the subsequent processor unit. The processor unit receives the millimeter-wave echo signal and performs signal processing to obtain the trajectory of the gesture in the sensing area, and judges the type of gesture input through the air according to the trajectory and then outputs it.

[0027] Specifically, as figure 2 As shown, a gesture recognition method in the air of this embodiment includes:

[0028] Step S101, after receiving the millimeter wave echo signal, extracting an effective gesture motion signal in the millimeter wave signal;

[0029] In the specific implementation, through the threshold value and constant ...

Embodiment 2

[0040] This embodiment discloses an air gesture recognition device, which is based on a millimeter-wave radar and includes: an extraction unit, configured to extract an effective gesture motion signal in the millimeter-wave signal after receiving the millimeter-wave echo signal; a calculation unit, used to According to the gesture motion signal, calculate the distance of the target and the azimuth angle of the target to obtain the position of the target in the sensing area; the identification unit is used to cache the multi-frame data of the target position, so as to identify the target through the position information updated in real time The trajectory of the gesture; the determination unit is configured to identify and output an action determination according to the trajectory of the gesture.

[0041] In a specific implementation, in the air gesture recognition device, the recognition unit recognizes the gesture movement track of the target according to the position change fro...

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Abstract

The invention discloses a distance gesture recognition method and device and intelligent equipment, wherein the distance gesture recognition method based on a millimeter wave radar comprises the steps: extracting an effective gesture movement signal in a millimeter wave signal after the millimeter wave echo signal is received; according to the gesture motion signal, calculating the distance and azimuth angle of a target to obtain the position of the target in a sensing area; caching multiple frames of data of the target position, so as to recognize the gesture movement track of the target through the position information updated in real time; and recognizing and outputting action judgment according to the gesture movement track. Through the method and the device, the target gesture actioncan be recognized, so that the application of the millimeter-wave radar is expanded.

Description

technical field [0001] The present invention relates to chip technology, in particular to a method and device for gesture recognition in space, and an intelligent device. Background technique [0002] Millimeter waves refer to electromagnetic waves with a wavelength ranging from 0.1 to 1 cm, corresponding to a frequency range of 30 to 300 GHz. Millimeter wave radar will have a wide range of applications in intelligent perception and interaction, intelligent robots, automotive radar and other fields. [0003] At present, the use of millimeter-wave radar is mostly applied to the judgment of the target distance, which limits the application of millimeter-wave radar to a large extent. Contents of the invention [0004] The technical problem to be solved by the embodiments of the present invention is how to further expand the application of the millimeter wave radar in related fields. [0005] In order to solve the above-mentioned technical problems, the technical solutions p...

Claims

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Application Information

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IPC IPC(8): G01S13/58G01S13/62G01S13/88G06K9/00
CPCG01S13/58G01S13/62G01S13/88G06V40/28
Inventor 林均仰
Owner 苏州矽典微智能科技有限公司