A COMMON FILTER FOR BOTH IMPULSE AND GAUSSIAN NOISE REMOVAL

1st International E-Conference on Recent Developments in Science, Engineering and Information Technology on 23rd to 25th September, 2020 Department of Computer Science, DDE, Madurai Kamaraj University, Tamil Nadu, India. International Journal of Computer Science (IJCS) Published by SK Research Group of Companies (SKRGC)

Abstract

Image noise is an undesirable by-product of image capture that adds spurious and extraneous information. It can be obtained in film grain, or in the input device (scanner or digital camera) sensor and circuitry, or in the ideal photon detector. It is introduced into images at the time of acquisition and transmission of images. There are many models which explain about various noise, this paper is about defining a Trilateral filter with ROLD statistics and comparing its performance with other filters. It is further used to filter out mixed noise.

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Keywords

Gaussian, impulse, noise,bilateral,trilateral