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Active infrared action identifying method

A motion recognition, active technology, applied in the direction of using the device that measures the time required to move a certain distance, the re-radiation of electromagnetic waves, the measurement device, etc. To solve the problem of high sexuality, it can achieve the effect of fast response, fast calculation speed, and reduced workload.

Inactive Publication Date: 2012-05-02
PIZHOU GUOLONG ELECTRIC
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AI Technical Summary

Problems solved by technology

Although the above recognition methods are effective, each has certain limitations. For example, the gait feature extraction method and gait recognition calculation complexity is relatively high, and it is difficult to process.

Method used

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Experimental program
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Embodiment Construction

[0027] The active infrared action recognition device is composed of an infrared luminescent point and an action detection device.

[0028] figure 1 It is an infrared light-emitting point 4, which is composed of an infrared LED1, a reflector 3 and a frosted glass 2. The infrared LED1 is an infrared light source, built in the middle of the infrared light-emitting point 4 . The reflector 3 is in the shape of a semi-circular arc and placed behind the infrared LED, and its function is to improve the utilization rate of the light source. The frosted glass 2 is placed in front of the infrared LED, and its function is to change the direct light emitted by the infrared LED 1 or reflected by the reflector 3 into scattered light and increase the receptive area of ​​the infrared light.

[0029] Such as figure 2 As shown, the motion detection device includes a right imaging mechanism, a left imaging mechanism, FPGA 11, DSP 12 and a host computer. In the right imaging mechanism, the ri...

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Abstract

The invention discloses an active infrared action identifying method and an active infrared action identifying device. A point light source is bound to an object to be tested, and emits infrared rays, infrared images are acquired by a dual lens, image data is processed, a coordinate system adopted in a system is a static coordinate system, and all motion parameters are positioned in the same coordinate system, so the motion parameters are quickly calculated, the system processing workload is greatly reduced, the quick response of the system is facilitated, and the invention is widely applied to various fields such as intelligent monitoring, motion analysis of large equipment and the like.

Description

[technical field] [0001] The invention belongs to the technical field of computer image processing and relates to an active infrared motion recognition method. [Background technique] [0002] Infrared-based image recognition is one of the important directions of current research, and has broad application prospects in the fields of intelligent monitoring and motion analysis. At present, a variety of infrared identification methods and equipment have appeared. Chinese patent application number 200810052181.7 discloses a gait feature extraction method and gait recognition method based on infrared thermal imaging; Chinese patent application number 00814024.3 discloses a method and device for non-invasive verification of personal identity using near-infrared spectroscopy, through Irradiation with near-infrared radiation yields a near-infrared cell tissue spectrum whose similarity to multiple spectra of identities indicated in a spectral database is determined and authenticated ...

Claims

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Application Information

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IPC IPC(8): G01B11/00G01P3/68G01P15/16
Inventor 陈拥权刘思杨牛涛王略志张军
Owner PIZHOU GUOLONG ELECTRIC
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