A Method for Evaluation of an Optical Image Stabilizer in an Image Sensor Module

被引:2
|
作者
Shin, Sang Chul [1 ]
Ohm, Won-Suk [1 ]
Kim, Seok-Min [2 ]
Kang, Shinill [1 ]
机构
[1] Yonsei Univ, Sch Mech Engn, Seoul 120749, South Korea
[2] Chung Ang Univ, Sch Mech Engn, Seoul 156756, South Korea
关键词
Optical image stabilizer; Image sensor module; Image quality; Hand jitter; Edge spread intensity; Modulation transfer function; SYSTEM;
D O I
10.1007/s12541-011-0048-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A figure of merit called the image clarity index is proposed for quantifying the performance of an optical image stabilizer (OIS) subjected to hand jitter. The image clarity index is defined as the slope angle of the normalized edge spread intensity of a captured image. A two-dimensional map of the index can offer clues as to the design limit on shake angle and frequency Because of its relative simplicity over the existing metrics such as the modulation transfer function, the proposed index is especially suitable for summary evaluation of OISs and rapid benchmarking of OIS-equipped image sensor modules.
引用
收藏
页码:367 / 370
页数:4
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