Segmentation of Preprocessed MR and CT Images Containing Tumors using Edge Detection and Watershed Segmentation

نویسندگان

  • Sonali Patil
  • V. R. Udupi
  • Saylee M. Gharge
  • D. Brzakovic
  • X. M. Luo
  • Naga R. Mudigonda
  • Rangaraj M. Rangayyan
  • Tanuja K. Sarode
  • Saif D. Salman
چکیده

Segmentation of images aims at dividing areas corresponding to different objects. There are two approaches for image segmentation, one is based on discontinuities and other is based on similarities. These approaches can be used for enhancing and extracting the tumor area in MRI/CT images. In this paper Sobel and Extended Sobel edge operators are applied on the MRI / CT images containing tumors. It is noticed that the MR/CT images contain unwanted portions that make segmentation difficult. If such images are segmented without any preprocessing for removal of the unwanted portions, it results into over segmentation. In this paper, we propose to use Preprocessed MRI/CT image for the segmentation by using Sobel

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تاریخ انتشار 2012