Image segmentation of G bands of Triticum monococcum chromosomes based on the model-based neural network

  • Authors:
  • Nian Cai;Kuanghu Hu;Haitao Xiong;Shuyu Li;Wanfang Su;Fengsui Zhu

  • Affiliations:
  • Lab of Pattern Recognition, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing 100101, PR China;Lab of Pattern Recognition, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing 100101, PR China;Lab of Pattern Recognition, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing 100101, PR China;Lab of Pattern Recognition, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing 100101, PR China;Lab of Pattern Recognition, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing 100101, PR China;Institute of Crop Breeding and Cultivation, Chinese Academy of Agricultural Sciences, Beijing 100081, PR China

  • Venue:
  • Pattern Recognition Letters
  • Year:
  • 2004

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Abstract

Successful segmentation of chromosomes is important for their analysis. Isolation of chromosomes is the major topic of the segmentation in previous studies, but it is at low resolution. While the model-based neural network (MBNN), in this paper, is adopted to segment the G bands of Triticum monococcum chromosomes, which is a high-resolution approach. Combined with the MBNN as a core technique, various auxiliary techniques have been used to find out the optimal method. A series of experimental results indicate that the optimal method for segmentation of G bands, here termed as MBNN-3P, is that using the MBNN as a core technique simultaneously aided by all of the three auxiliary techniques. They are presegmenting by the threshold T = 173, preassigning a class number and providing teacher's information. Therefore, it is feasible to apply the MBNN-3P to segment the G band images of T. monococcum chromosomes. This study might be of great significance to improve the accuracy and speed of automated analysis of plant chromosomes.