Adaptive vector median filtering
Pattern Recognition Letters
cDNA microarray image processing using fuzzy vector filtering framework
Fuzzy Sets and Systems
Tuning the smoothness of the recursive median filter
IEEE Transactions on Signal Processing
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This paper presents a new cDNA microarray image segmentation framework. The framework uses robust vector median filtering to generate a root sigLnal which is an image obtained from the input by repeatedly filtering it until no more changes occur. During the convergence to the root signal, the framework classifies the cDNA image data as either microarray spots or image background, and ideally separates the regular spots from the background. Thus, the obtained root signal represents the segmented microarray image. In addition, the framework excellently removes noise present in the cDNA microarray images and normalizes spots' intensities.