Improvised Method of Tumor Detection Using Saliency
M.A.Ruhaya Rameez Fathima
Department of ECE
National Engineering College
Kovilpatti, India ruma986@gmail.com R.Manjula Devi M.E
Department of ECE
National Engineering College
Kovilpatti, India manju.rengasamy @gmail.com
Abstract—The input CT image is processed out by Single Image Saliency. A Single image saliency is obtained by measuring the contrast and spatial cue of a CT image. The kernel for single image saliency is obtained by fusing contrast and spatial cue. This kernel matrix is convolved with the CT image in the saliency filter, there by improvising the image quality which is further used for tumor detection. The image obtained from the saliency filter is segmented into squared sub- regions from which mean and standard deviation are estimated from where the liver region is obtained. The same holds good for the detection of tumor region as well. The liver region is further processed by adaptive thresholding to identify the liver region, and this region is segmented by morphological operations and Region growing method. And the tumor region is finally segmented out by edge based active contour model using distance regularized level set evolution.
Index Terms—Saliency detection, Single image saliency, Morphological operation, Active contour model, distance regularized level set evolution.
I. Introduction
Saliency detection is considered as a preferential allocation of computational resources. Saliency
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Neurodegenerative diseases causes a wide variety of mental symptoms whose evolution is not directly related to the analysis made by radiologists on basis of images, who can hardly quantify systematic differences. This paper presents a new automatic (Based on software program) image analysis method that reveals different brain patterns associated to the presence of neurodegenerative diseases, finding systematic differences and therefore grading objectively any neurological disorder. An accurate solution can be provided by using Alzheimer’s diseases based on saliency map characterization is carried out on database images. This paper gives automatic image analysis method and attempts an approach for classification of brain images to search for pathology and normality part of brain by extracting salient features of input brain image and the region of interest is identified using kernel k-means algorithm. A support vector machine (SVM) a supervised learning process is used for classification of AD, which is recognized on basis of blue color is normal brain part and red color is pathology related.
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“The aim of screening a population for cancer is to make the diagnosis early and thereby increase the cure rate.” (Tobias and Hochhauser,. Cancer and its Management, 2010 p21)