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A data processing system for a self-healing optical motion capture device

A data processing system and motion capture technology, applied in the direction of electrical digital data processing, input/output process of data processing, pattern recognition in signals, etc., can solve the problem of poor effect of interference signal processing, etc., and achieve frequency flatness, grating The effect of accurate signal and improved accuracy

Active Publication Date: 2020-01-31
成都沃赢创投科技有限公司
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect that the data processing system of the existing self-repairing optical motion capture device has a poor effect on the interference signal processing in the signal, and to provide a method that can improve the ability to eliminate the interference signal in the signal Data processing system of self-healing optical motion capture device

Method used

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  • A data processing system for a self-healing optical motion capture device
  • A data processing system for a self-healing optical motion capture device
  • A data processing system for a self-healing optical motion capture device

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Embodiment

[0020] Such as figure 1 , 2 , Shown in 3, the present invention comprises FPGA processor, the A / D converter that is all connected with FPGA processor, low-frequency filter circuit and power supply, the anti-aliasing filter circuit that is connected with A / D converter, and anti-aliasing filter circuit It is composed of a charge amplifier connected with a stack filter circuit, and a sampling circuit connected with a low-frequency filter circuit; the power supply is also respectively connected with the sampling circuit, the A / D converter and the charge amplifier. Wherein, the anti-aliasing filter circuit such as image 3 As shown, it is composed of a differential amplifier U, a differential conversion circuit, a multi-pole filter circuit, and a resistor R11. The power supply is a 9V DC power supply.

[0021] Concrete, the FPGA processor of the present invention has selected the virtex-5 series XC5VFX70 chip of XILINX Company for use, and this FPGA processor is a programmable l...

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Abstract

The invention discloses a data processing system for a self-repairing optical motion capture device, which is characterized in that it includes an FPGA processor, an A / D converter connected to the FPGA processor, a low-frequency filter circuit and a power supply, and It consists of an anti-aliasing filter circuit connected with the A / D converter, a charge amplifier connected with the anti-aliasing filter circuit, and a sampling circuit connected with the low-frequency filter circuit. The present invention realizes the separate processing of the dynamic signal and the grating signal, which improves the accuracy of the present invention in the processing of the interference signal in the signal transmitted by the signal transmission device of the optical motion capture device, thereby improving the effectiveness of the present invention. The accuracy of the data information output by the self-repairing optical motion capture device is improved, and the error in the trajectory of the moving object finally obtained by the control platform is well solved.

Description

technical field [0001] The invention relates to a data processing system, in particular to a data processing system for a self-repairing optical motion capture device. Background technique [0002] Optical motion capture mainly uses marker-type optical motion capture equipment, which generally consists of optical markers (Markers), motion capture cameras, signal transmission equipment, and data processing systems. The capture process needs to paste Marker points on key parts of moving objects (such as joints of the human body, etc.), multiple motion capture cameras detect Marker points in real time from different angles, and the detected data are transmitted to the control platform in real time, and the platform calculates accurately according to the principle of triangulation The space coordinates of the Marker point, and then obtain the trajectory of the moving object. Marker-type optical motion capture can be roughly divided into two types: self-repairing and passive. Am...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/00G06F3/01G06K9/00
CPCG06F3/005G06F3/011G06F2218/02
Inventor 王成渝汤金刚刘景波
Owner 成都沃赢创投科技有限公司
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