Image Stitching of Retinal Micro Blood Vessel for Human Eye Aberration Correction System

ZHANG Chuan-sheng; SHAO Chun-lei

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Image Stitching of Retinal Micro Blood Vessel for Human Eye Aberration Correction System

Imaging Technology & Image Processing | 更新时间：2020-08-12

- Image Stitching of Retinal Micro Blood Vessel for Human Eye Aberration Correction System
- Chinese Journal of Liquid Crystals and Displays Vol. 25, Issue 6, Pages: 884-889(2010)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所激光与物质互相作用国家重点实验室, 吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：
  CLC： O439;TH703
- Received：21 May 2010，
  
  Revised：29 June 2010，
  
  Published Online：20 December 2010，
  
  Published：20 December 2010
- 稿件说明：
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张传胜, 邵春雷. 人眼像差校正仪视网膜微血管图像拼接[J]. 液晶与显示, 2010,25(6): 884-889

ZHANG Chuan-sheng, SHAO Chun-lei. Image Stitching of Retinal Micro Blood Vessel for Human Eye Aberration Correction System[J]. , 2010,25(6): 884-889
张传胜, 邵春雷. 人眼像差校正仪视网膜微血管图像拼接[J]. 液晶与显示, 2010,25(6): 884-889 DOI：

ZHANG Chuan-sheng, SHAO Chun-lei. Image Stitching of Retinal Micro Blood Vessel for Human Eye Aberration Correction System[J]. , 2010,25(6): 884-889 DOI：

摘要

针对液晶人眼像差校正仪拍摄的小视场视网膜血管图像的拼接算法进行了研究。通过对传统的Harris特征角点算法的改进

解决了该算法在低对比度、小视场视网膜血管图像处理中定位精度较差、需要三次高斯平滑而导致计算量相对较大以及对噪声比较敏感的缺点。然后将配准好的图像进行融合

实现了视网膜血管图像快速、准确的无缝拼接

扩大了视网膜的观测区域

为医务人员的诊治判断提供了更准确的信息。

Abstract

This paper presented an image stitching algorithm of small view-of-field(VOF) retinal micro blood vessel grabbed with liquid crystal human eye aberration correction system. After improving the traditional Harris characteristic angle method

the following disadvantages were avoided for processing low contrast and small VOF retinal blood vessel: poor positioning precision

cubic Gauss flattening

relatively large calculation quantities

and sensitive to noise. With the presented method

the retinal micro blood vessel can be stitched fast and accurately

which increases the observation field to large extent and provides more accurate information for doctors.

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references

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