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Noise suppression of fluorescein angiogram sequences using bilateral filter

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6 Author(s)
Xiao-Xin Guo ; Coll. of Comput. Sci. & Technol., Jilin Univ., Changchun, China ; Yi-Nan Lu ; Zhi-Wen Xu ; Zhan-Hui Liu
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In this paper, a relatively flexible filter called extended bilateral filter is proposed, by which some particular filters can be designed via selecting an appropriate pixel of interest (POI) and defining a kernel for the filter according to some specified requirements. Based on the filter, a fluorescein-angiogram-oriented filter, high-intensity preserving (HIP) filter is introduced to solve the problems of high-intensity preservation when denoising. The results of the experiments show that the HIP filter has the ability of noise suppression, and the ability of high-intensity preservation, which can keep the intensities of bright pixels from degrading via distributing the weights adaptively according to the location and the intensity of each pixel.

Published in:

2005 International Conference on Machine Learning and Cybernetics  (Volume:9 )

Date of Conference:

18-21 Aug. 2005