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基于累加器的哈特曼-夏克波前斜率处理器
樊志华; 王春鸿; 姜文汉
Source Publication光学精密工程
Volume19Issue:3Pages:501-507
2011
Language中文
Subtype期刊论文
Abstract在硬件资源有限的情况下,为了支持尽可能多的子孔径进行实时波前斜率处理,提出了一种基于累加器的波前斜率处理器。该处理器的运算核心是子光斑质心计算模块,根据二维图像矩计算的可分解性以及一维矩的递推累加求解方法,用加法运算代替子孔径坐标与像素灰度的乘法运算,获得灰度重心法所需的所有二维低阶矩。该模块仅由5个累加器组成,硬件实现时避免了乘法器的使用,降低了资源消耗。仿真实验结果表明:对于22×22方形排布的哈特曼-夏克波前传感器图像,本文的结构可在FPGA内实现;在100 MHz的工作频率下,完成一帧所有子孔径斜率...
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6232
Collection自适应光学技术研究室(八室)
Corresponding Author樊志华
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
樊志华,王春鸿,姜文汉. 基于累加器的哈特曼-夏克波前斜率处理器[J]. 光学精密工程,2011,19(3):501-507.
APA 樊志华,王春鸿,&姜文汉.(2011).基于累加器的哈特曼-夏克波前斜率处理器.光学精密工程,19(3),501-507.
MLA 樊志华,et al."基于累加器的哈特曼-夏克波前斜率处理器".光学精密工程 19.3(2011):501-507.
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