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USB image collection method based on NI compactRIO

An image acquisition and host technology, applied in image communication, parts of color TV, parts of TV system, etc., can solve the problem of computer not working, and achieve the effect of good sturdiness, flexibility and small size

Inactive Publication Date: 2017-05-31
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problem that the computer cannot work in the tested environment due to natural, man-made and other uncontrollable factors, and provides a method that can realize stable and reliable image acquisition in such a harsh environment

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  • USB image collection method based on NI compactRIO

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and specific example the present invention will be further described;

[0020] The real-time controller used in the present invention is model NI CompactRIO-9064. Among them, the NI CompactRIO-9064 real-time controller is equipped with 9-30VDC redundant power input, a real-time clock, hardware watchdog timer, dual Ethernet ports, up to 4GB onboard data memory, and built-in USB and RS232 interfaces .

[0021] After the CompactRIO controller is correctly configured, it will appear in the remote system directory of MAX with the name NI-cRIO-9064-03090094. Right-click the software and select Add / Remove Software to open the LabVIEW Real-Time Software Wizard. Select custom software installation, install the required NI Real-Time real-time module components and NI-IMAQdx image acquisition driver module components, and check IP Camera Support and USB Vision Support so that CompactRIO can call the USB camera through the USB interfa...

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Abstract

The invention provides a USB image collection method based on NI compactRIO. The method comprises the following steps: installing a real-time controller based on the NI compactRIO on a host; installing LabVIEW and MAX software on the host, and correctly configuring CompactRIO in NI MAX; installing a NI Real-Time module and an NI-IMAQdx image collection driving module on the host; adding IP Camera Support and USB Vision Support in the NI-IMAQdx software of the CompactRIO; remembering a name camX of a USB camera under a device and interface catalog, wherein X is a value allocated by the drive to the USB camera, and obtaining continuous images in an interface by clicking Grab; and creating a new item in LabVIEW, adding the real-time controller based on the NI compactRIO to the item, and collecting images or videos through the USB camera.

Description

technical field [0001] The present invention relates to a kind of USB interface image acquisition method based on NI compactRIO, belongs to the field of machine vision; Background technique [0002] CompactRIO is a reconfigurable embedded measurement and control system produced by National Instruments (NI). It has a solid hardware architecture and consists of three parts: a real-time controller, a reconfigurable FPGA (Field Programmable Gate Array) and Industrial grade I / O modules. The real-time controller includes an industrial-grade processor, which can reliably and accurately execute real-time applications through LabVIEW, a graphical development environment specially designed for developing measurement and control applications, and apply it to various embedded control and monitoring in application. And it can provide functions such as multi-rate control, process execution tracking, onboard data storage, and communication with external devices. [0003] NI CompactRIO i...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04N5/225H04N7/18
CPCH04L41/0803H04N7/18H04N23/50
Inventor 吕辰刚高爽鲍志强张帅方干
Owner TIANJIN UNIV
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