Fast Impulse Noise Removal from Highly Corrupted Images

Details Fast Impulse Noise Removal from Highly Corrupted Images Fast Impulse Noise Removal from Highly Corrupted Images

2011-05-14

arxiv.org/abs/1105.2899v1

Computer Science

Multimedia

Scientific paper

In this paper, we suggest a general model for the fixed-valued impulse noise and propose a two-stage method for high density noise suppression while preserving the image details. In the first stage, we apply an iterative impulse detector, exploiting the image entropy, to identify the corrupted pixels and then employ an Adaptive Iterative Mean filter (AIM) to restore them. The filter is adaptive in terms of the number of iterations, which is different for each noisy pixel, according to their Euclidean distance from the nearest uncorrupted pixel. Experimental results show that the AIM filter is fast and outperforms the best existing techniques in both objective and subjective performance measures.

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