Estimation of naso frontal angle for detection of Down syndrome in second trimester fetal images

  • Authors:

  • S. Nirmala;V. Palanisamy

  • Affiliations:

  • Muthayammal Engineering College, Rasipuram, India;Info Institute of Engineering, Kovilpalayam, Coimbatore, India

  • Venue:
  • Proceedings of the International Conference and Workshop on Emerging Trends in Technology
  • Year:
  • 2010

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Abstract

The Naso Frontal Angle (NFA) measurement is made to identify the Down syndrome in screening second trimester fetus and presented in this paper. The Mean shift analysis and canny operators are utilized for segmenting the frontal bone and the nasal bone region and the exact NFA has been estimated. It is observed from the results that the measured NFA have an average of 114.19°±0.134 and 115.86°±0.273 in the 13th week and 19th week of gestation respectively.