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Analysis of microscopy and reconstructive images for applications in medicine and biology

  • G. Johnston
  • , D. R. Burton
  • , F. Lilley
  • , A. Doyle
  • , M. F. Murphy
  • , G. Madden
  • , M. A. Gdeisat
  • , C. J. Moore
  • , T. Marchant
  • , B. Matuszewski

    Research output: Chapter in Book/Conference proceeding › Conference contribution › peer-review

    Abstract

    An investigation into orientation preferences shown by actin fibres within ex-situ actin as imaged by Atomic Force Microscopy (AFM) is described. Actin is a primary cytoskeletal component and is believed to play a vital role in cell structure. Actin structure images measured by AFM were analysed using automated pre-processing steps. These steps were identical for the production of an initial binary image, which was then processed by both Hough transformation and thinning. Results obtained question the validity of using the Hough transform approach, as bias could not easily be eliminated, and hence the Hough transform method was deemed to be unsuitable for this application and instead the thinning technique was used to identify and locate actin orientation within the AFM images. The results show that polymerised ex-situ actin fibres appears to display a bimodal distribution of orientation, with a 90 degree separation, with a significant co-efficient of bimodality of 0.656. © 2011 IEEE.
    Original languageEnglish
    Title of host publicationProceedings - International Conference on Image Processing, ICIP|Proc. Int. Conf. Image Process. ICIP
    Pages3069-3072
    Number of pages3
    DOIs
    Publication statusPublished - 2011
    Event2011 18th IEEE International Conference on Image Processing, ICIP 2011 - Brussels
    Duration: 1 Jul 2011 → …
    http://dx.doi.org/10.1109/ICIP.2011.6116317

    Conference

    Conference2011 18th IEEE International Conference on Image Processing, ICIP 2011
    CityBrussels
    Period1/07/11 → …
    Internet address

    Keywords

    • Atomic force microscopy
    • feature extraction

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