Journal of Capital Medical University ›› 2006, Vol. 27 ›› Issue (5): 672-674.

• 临床研究 • Previous Articles     Next Articles

Eye Fundus Images Registration Flicker

Liu Aizhen1, Wang Xiaobing1, Xu Liang1, Ren Haiping2, Song Fei3, Wang Sa1   

  1. 1. Department of Biomedical Engineering and Center of Ophthalmology, Beijing Tongren Hospital, CapitalUniversity of Medical Sciences;2. National Institute for the Control of Pharmacy and Biological Product;3. Office of Equipments and Installations, Capital University of Medical Sciences
  • Received:2005-12-12 Revised:1900-01-01 Online:2006-10-24 Published:2006-10-24

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Abstract: Objective Registration flicker on eye fundus images that were screened in different time is important for ophthalmologist to study the glaucoma,diabetic retinopathy.Methods The normalized mutual information could be used to deal with eye fundus images and flicker them every one second.There are two methods to estimate it: one is based on the error of eye fundus images registration,the other is according to testing by ophthalmologist.Results 50 eye fundus images were tested and repeated ten times.Circumvolve and shift value had been analyzed. The result is P>0.05.100 eye fundus images had been matched.Conclusion Image registration methods based on mutual information had been accepted as the accurate and efficient method in eye fundus images registration flicker.It is easy to operate and repeat.

Key words: eye fundus image, registration, flicker

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