三角形方向鉴别阈值性能理论模型研究
DOI:
作者:
作者单位:

作者简介:

通讯作者:

中图分类号:

TN216

基金项目:

国家自然科学基金(60277005,60477038)、博士学科点基金(20030701003)和武器装备预研基金(51403030905HK6001)资助项目


THEORETICAL MODEL ON THE PERFORMANCE OF TRIANGLE ORIENTATION DISCRIMINATION THRESHOLD
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    阐述了红外成像传感器性能表征的TODT度量方法;依据频谱理论,首先确定了三角形标准靶的空间频谱描述函数;利用匹配滤波器的概念分别推导了人眼/大脑系统通过红外成像传感器可感知的非周期三角形标准靶信号和噪声;以图像视觉感知信噪比为理论基础,首次建立了红外成像传感器的TODT性能模型,并给出了计算机仿真结果.与实验测量数据比较显示了此模型预测红外成像传感器TODT度量曲线的合理性.

    Abstract:

    TODT measurement method for characterizing the performance of infrared imaging sensor was introduced briefly. According to the spectrum theory, the spatial spectrum distribution of standard triangle pattern was determined quantitatively. The matched filter concept was adopted to derive the perceived triangle pattern signal and overall noise by the human visual system through infrared imaging system, respectively. On the basis of the perceived signal-to-noise ratio, the TOD performance theoretical model was first determined, and the simulated results was given. Experimental results show that this model can give reasonable prediction of the TOD performance curve for the infrared imaging system.

    参考文献
    相似文献
    引证文献
引用本文

王晓蕊 张建奇 冯卓祥 常洪花.三角形方向鉴别阈值性能理论模型研究[J].红外与毫米波学报,2006,25(2):118~122]. WANG Xiao-Rui, ZHANG Jian-Qi, FENG Zhuo-Xiang, CHANG Hong-Hua. THEORETICAL MODEL ON THE PERFORMANCE OF TRIANGLE ORIENTATION DISCRIMINATION THRESHOLD[J]. J. Infrared Millim. Waves,2006,25(2):118~122.]

复制
分享
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期:2005-03-11
  • 最后修改日期:2005-09-19
  • 录用日期:
  • 在线发布日期:
  • 出版日期:
文章二维码