Title :
Temporal matched filters for integration of ocular fundus images
Author :
Ballerini, Lucia
Author_Institution :
Dept. of Electron. Eng., Florence Univ., Italy
Abstract :
In this paper a method for noise reduction in ocular-fundus image sequences is described. Image registration is combined with image enhancement by fusing subsequent frames of the same region. The experimented temporal integration techniques are used to compute enhanced pictures of the overall capillary network. To evaluate the attainable results, the signal-to-noise ratio was estimated before and after restoration
Keywords :
blood; eye; image enhancement; image registration; image restoration; image sequences; interference suppression; matched filters; medical image processing; blood vessels; capillary network; frames; fusing; image enhancement; image registration; image sequences; noise reduction; ocular fundus images; restoration; signal-to-noise ratio; temporal integration techniques; temporal matched filters; Biomedical imaging; Blood vessels; Fuses; Image sequences; Lakes; Matched filters; Photography; Pixel;
Conference_Titel :
Digital Signal Processing Proceedings, 1997. DSP 97., 1997 13th International Conference on
Conference_Location :
Santorini
Print_ISBN :
0-7803-4137-6
DOI :
10.1109/ICDSP.1997.628573
