An efficient approach for the removal of impulse noise from the corrupted image using neural network based impulse detector

Authors:
G. Kaliraj;S. Baskar
Affiliations:
RF Testing Department, Tessolve Services Pvt Ltd, Chennai, Tamil Nadu, India;Department of Electrical and Electronics Engineering, Thiagarajar College of Engineering, Madurai, Tamil Nadu, India
Venue:
Image and Vision Computing
Year:
2010

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Abstract

A new efficient approach to detect the impulse noise from the corrupted image using feed forward neural network (FFNN) is presented. A modified version of the arithmetic mean filter is proposed to remove the detected impulse noise. The performance of proposed noise detection approach is analyzed using the performance measures such as False Alarm Ratio (FAR), Missed Noise (MN) pixels and Falsely Detected Noise (FDN) pixels. The simulation results show that these performances are robust even at higher percentage of noise. The filtered result is compared with the other recent approaches in terms of Peak Signal to Noise Ratio (PSNR). The proposed method produces remarkably good results both in quantitative measures and qualitative judgments of image quality.