Color Segmentation Applied to Study of the Angiogenesis. Part I

  • Authors:
  • Roberto M. Rodrí/guez;Teresa E. Alarcó/n;Roberto W. Navarro;Leudis S. Cuello

  • Affiliations:
  • Group of Digital Signal Processing (GUPDIS), Institute of Cybernetics, Mathematics and Physics (ICIMAF), Calle 15 No. 551 e/CyD CP 10400, La Habana, Cuba/ e-mail: rrm@cidet.icmf.inf.cu

  • Venue:
  • Journal of Intelligent and Robotic Systems
  • Year:
  • 2002

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Abstract

The aim of this work is the color image segmentation of blood vessels in the angiogenesis process. With the purpose of comparison we carried out some experiments using different methods and in different color spaces, arriving to the final conclusion that the best results are obtained, according to our application, in the RGB space. We performed a number of researches in the red, green and blue channels and we propose an alternative strategy that is, working in a single channel. The segmentation task can be decomposed into two stages. First, selections of color space, and second, selection of channel of major information and finally segmentation process. Our results were compared with manual segmentation realized by an expert, where difference errors of less than 4% were observed. It is demonstrated by extensive experimentation, using real image data, that proposed strategy is fast and adequate in the environment of a personal computer. These images will be subject to a further morphometrical analysis, in order to diagnose and prognosticate automatically malign tumors.