2005 Special issue: Modelling ordinal relations with SVMs: An application to objective aesthetic evaluation of breast cancer conservative treatment

  • Authors:
  • Jaime S. Cardoso;Joaquim F. Pinto da Costa;Maria J. Cardoso

  • Affiliations:
  • Faculdade de Engenharia, Universidade do Porto, INESC, Porto, Portugal;Faculdade de Ciências, Universidade do Porto, Portugal;Faculdade de Medicina, Universidade do Porto, Portugal

  • Venue:
  • Neural Networks - 2005 Special issue: IJCNN 2005
  • Year:
  • 2005

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Abstract

The cosmetic result is an important endpoint for breast cancer conservative treatment (BCCT), but the verification of this outcome remains without a standard. Objective assessment methods are preferred to overcome the drawbacks of subjective evaluation. In this paper a novel algorithm is proposed, based on support vector machines, for the classification of ordinal categorical data. This classifier is then applied as a new methodology for the objective assessment of the aesthetic result of BCCT. Based on the new classifier, a semi-objective score for quantification of the aesthetic results of BCCT was developed, allowing the discrimination of patients into four classes.