摘要

在分析人眼视觉特性的基础上,提出图像量化位数的选择取决于图像的最终用途的观点.从天基预警类成像探测仪的基本原理出发,建立了信噪比与探测概率之间的关系,进而研究了量化级数确定问题.就图像显示和人眼观看而言,8 bit量化已能满足要求.当用于预警和目标探测目的,在满足信息处理需要前提下,虚警不超过10-4/Frame边界条件下的最小量化级数可进一步降低为5 bit,较理想的量化级数为6 bit.

补充资料

中图分类号：O434;TN21

所属栏目：图像与信号处理

收稿日期：2007-05-08

修改稿日期：--

网络出版日期：--

作者单位    点击查看

备注：张光明,was born in 1967. He received his M. A. degree in 1990. Now he is a doctorial candidate in Harbin Institute of Science and Technology, majoring in space optical engineering.Tel:010-66361210 Email:zgm0407@sina.com

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引用该论文

张光明,俞建成,方中华,樊士伟,张伟. Pixel-quantization and Its Influence for Remote Sensing Image[J]. ACTA PHOTONICA SINICA, 2007, 36(11): 2172-2176

张光明,俞建成,方中华,樊士伟,张伟. 卫星遥感图像的量化等级确定及影响因素分析[J]. 光子学报, 2007, 36(11): 2172-2176

被引情况

【1】王一,胡莘,杨夏芳. 影像质量影响测绘卫星无控定位精度分析. 激光与光电子学进展, 2018, 55(8): 81102--1