Informatics Publishing Limited

M. Rathi ¹, A. Rohini ¹, R. Surya ¹, K. Jeyanthi ¹

Affiliations
1 KPR Institute of Engineering and Technology, Coimbatore, IN

Abstract

In this work, the effectiveness of bispectral invariant features in diagnostic classification of breast thermal images into malignant, benign and normal classes is evaluated and a phase-only variant of these features is proposed. Boundaries are extracted using Canny edge detection and elimination of inner edges. Breast images are then segmented using fuzzy c-means clustering and the hottest regions are selected for feature extraction. Bispectral invariant features are extracted from Radon projections of these images. An Adaboost classifier is used to select and fuse the best features during training and then classify unseen test images into malignant, benign and normal classes. A data set comprising 9 malignant, 12 benign and 11 normal cases is used for evaluation of performance. Malignant cases are detected with 95% accuracy. A variant of the features using the normalized bispectrum, which discards all magnitude information, is shown to perform better for classification between benign and normal cases, with 83% accuracy compared to 66% for the original.

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A. Rohini ¹, D. Victor Arokia Doss ¹

Affiliations
1 Department of Biochemistry, PSG College of Arts and Science, Coimbatore- Pin 641014, Tamil Nadu, IN
2 Department Of Biochemistry, PSG College of Arts and Science, Coimbatore- Pin 641014, Tamil Nadu, IN

Abstract

Cardiovascular diseases are becoming an increasing problem worldwide. Hypercholesterolemia has been implicated as the major cause for Coronary Heart Diseases. Based on its high Flavonoid content of the herbal plant Althernanthera sessilis was tested for antihyperlipidemic property. It showed significant decreases in the levels of serum Total Cholesterol(TC), Triglyceride(TG), Low density lipoprotein(LDL), Very low density lipoprotein(VLDL) and significant increase in the level of High density lipoprotein(HDL) when administered orally for 28 days to alloxan induced hyperlipidemic rats at a dose of 150,300,450 mg/kg.

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