红外视频实时采集系统设计与实现  

Design and implementation of infrared video real-time acquisition system

作　　者：辛锋[1] 沈培 XIN Feng;SHEN Pei(Pingxiang University,Pingxiang Jiangxi 337000,China)

机构地区：[1]萍乡学院,江西萍乡337000

出　　处：《激光杂志》2021年第8期156-160,共5页Laser Journal

基　　金：江西省教育厅科学技术研究基金(No.GJJ191154);萍乡学院青年科研基金(No.2018D0230)。

摘　　要：为了提升红外视频图像采集速率以及实时性,设计了一种性能优异的红外视频实时采集系统,提升红外视频图像采集速率以及实时性。首先利用红外探测器采集红外成像模拟信号,信号通过光纤接口发送至红外视频采集模块,利用AD9844A的CCD信号处理器将红外成像模拟信号转换成为数字图像,然后对红外数字图像实施非均匀性校正处理和双边滤波增强处理,利用数据缓冲与存储子模块实现数据缓冲与存储,并利用PCI-E X4接口发送至计算机完成红外视频的实时采集。系统测试结果表明,本系统可采集不同场景的红外视频图像,系统传输红外视频图像传输速率高,采集延时短,具有较高的实时性。In order to improve the speed and real-time performance of infrared video image acquisition,an excel-lent infrared video real-time acquisition system is designed to improve the infrared video image acquisition rate and re-al-time performance.Firstly,infrared imaging analog signal is collected by infrared detector,and the signal is sent to infrared video acquisition module through optical fiber interface.The analog infrared imaging signal is converted into digital image by CCD signal processor of ad9844a.Then,nonuniformity correction processing and bilateral filtering en-hancement processing are implemented for infrared digital image,and data buffer and storage sub module are used to realize data buffering The infrared video is stored and sent to the computer by PCI-E X4 interface to complete the real-time acquisition of infrared video.The test results show that the system can collect infrared video images of different scenes.The system has high transmission rate,short acquisition delay and high real-time performance.

关 键 词：红外视频 实时 采集系统 光纤接口 红外探测器 增强处理 

分 类 号：TN216[电子电信—物理电子学]