Fast gray projection algorithm and its application to electronic image stabilization

SUN Hui

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Fast gray projection algorithm and its application to electronic image stabilization

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- Fast gray projection algorithm and its application to electronic image stabilization
- Optics and Precision Engineering Vol. 15, Issue 3, Pages: 412-416(2007)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所
- 作者简介：
  
  [ "" ]
- 基金信息：
- DOI：
  CLC： TP312;TP391
- Received：01 December 2006，
  
  Revised：15 January 2007，
  
  Published Online：30 June 2007，
  
  Published：30 June 2007
- 稿件说明：
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SUN Hui. Fast gray projection algorithm and its application to electronic image stabilization[J]. Optics and precision engineering, 2007, 15(3): 412-416.
DOI：

SUN Hui. Fast gray projection algorithm and its application to electronic image stabilization[J]. Optics and precision engineering, 2007, 15(3): 412-416. DOI：

摘要

通过分析电子稳像技术中灰度投影算法及其相关函数特点

提出了一种基于单峰特征的快速搜索算法

并同全局搜索算法进行了比较。在搜索区间内

计算并比较区间两个端点a

b的相关函数值

判断搜索方向

缩小搜索范围

确定一个新的搜索区间

新搜索区间的长度是原区间长度的一半。重复上述步骤

当区间长度缩短为1时

即可获取图像运动矢量

在此基础上通过运动补偿技术实现电子稳像。当搜索长度为2

+1时

全局搜索算法运算量为2

该算法仅为n+2

运算量显著减少。该方法已应用于船载电子稳像器中

实验结果表明

该方法计算速度快、精度高

具有较好的稳像效果。

Abstract

关键词

Keywords

references

. 沈宏海,刘晶红,贾平,等. 摄像稳定技术[J]. 光学精密工程,2001, 9(2): 115-120. SHEN H H, LIU J H, JIA P. et al.. Overview of imaging stabilization[J]. Opt. Precision Eng., 2001, 9(2):115-120. (in Chinese)

. 赵红颖, 金宏, 熊经武. 电子稳像技术概述[J]. 光学精密工程,2001,9(4):353-359. ZHAO H Y, JIN H, XIONG J W. Overview of the electronic image stabilization technology [J]. Opt. Precision Eng., 2001, 9(4): 353-359. (in Chinese)

. FILIPPO V L, ALFIO C R, MASSIMO M C, et al.. Digital image stabilization by adaptive block motion vectors filtering[J]. IEEE Trans. Consum. Electron., 2002, 48(3): 796-801.

. SUNG J K, SUNG H L, SEUNG W J,et al.. Fast digital image stabilizer based on gray-codes bit-plane matching [J]. IEEE Trans. Consum. Electron., 1999, 45(3):598-603.

. 孙辉,张永祥,熊经武,等. 高分辨率灰度投影算法及其在电子稳像中的应用[J]. 光学技术,2006,32(3):378-380. SUN H, ZH Y X, XIONG J W,et al..The application of high resolution gray projection algorithm in electronic image stabilization technology[J]. Opt. Tech., 2006, 32(3): 378-380. (in Chinese)

. 李博, 王效通,杨常青,等. 电子稳像的灰度投影三点局域自适应搜索算法[J]. 光电工程, 2004,31(9):69-72. LI B, WANG X T, YANG CH Q, et al.. Three-point locally adaptive searching in gray scale projection algorithm for electronic image stabilization[J]. Opto-Electron. Eng., 2004, 31(9): 69-72. (in Chinese)

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