New laser speckle flowgraphy system using CCD camera

被引：79
|
作者：
Konishi, N [1 ]
Tokimoto, Y [1 ]
Kohra, K [1 ]
Fujii, H [1 ]
机构：
[1] Kyushu Inst Technol, Dept Comp Sci & Elect, Iizuka, Fukuoka 8208502, Japan
来源：
OPTICAL REVIEW | 2002年 / 9卷 / 04期
关键词：
laser speckles; blood flowmetry; flow visualization; medical instruments;
D O I：
10.1007/s10043-002-0163-4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new technique is developed to visualize the blood flow map of the human retina using laser speckle phenomena. Despite use of an ordinary CCD camera as the detector. the performance of laser speckle flowgraphy system for the analysis of ocular blood circulation is greatly improved to achieve higher resolution and a wider field of view for blood flow mapping. It is shown that the quality of the blood flow map is influenced by the sampling format of the pixel points in the space- and time-varying speckle field.
引用
收藏
页码：163 / 169
页数：7
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