When salt and pepper noise deteriorates digital photos, a novel Tristate Switching Median Filtering
Technique is suggested for their improvement. Two decision-based filters are integrated with a switching
method to create the suggested filter. This method is used to identify and minimize impulsive noise in
digital photos. The suggested filter performs better in terms of eliminating impulsive noise while
maintaining picture features, according to extensive simulation findings.
Index Terms — Decision based median filter, Impulse noise detection, Salt and Pepper noise and
switching logic.