Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 1998.11b
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- Pages.569-571
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- 1998
An Adaptive Image Restoration Algorithm Using Edge Detection Based on the Block FFT
블록 FFT에 기초한 에지검출을 이용한 적응적 영상복원 알고리즘
- Ahn, Do-Rang (Dept. of Electrical Engineering. Dongguk Univ.) ;
- Lee, Dong-Wook (Dept. of Electrical Engineering. Dongguk Univ.)
- Published : 1998.11.28
Abstract
In this paper, we propose a method of restoring blurred images by an edge-sensitive adaptive filter. The direction of the edge is estimated using the properties of 2-D block FFT. Reduction of blurring due to the added noise during image transfer and the focus of lens caused by shooting a fast moving object is very important. To remove this phenomenon effectively, we can use the edge information obtained by processing the blurred images. The proposed algorithm estimates both the existence and the direction of the edge. On the basis of the acquired edge direction information, we choose the appropriate edge-sensitive adaptive filter, which enables us to get better images than images obtained by methods not considering the direction of the edge. The performance of the proposed algorithm is shown in the simulation result.
Keywords