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      • Faculty of Engineering
      • Department of Electrical and Electronics Engineering
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      Enhancement of images corrupted with signal dependent noise: Application to ultrasonic imaging

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      Author
      Kutay, M.A.
      Karaman, M.
      Bozdagi G.
      Date
      1993
      Journal Title
      Proceedings of SPIE - The International Society for Optical Engineering
      ISSN
      0277786X
      Volume
      2094
      Pages
      316 - 323
      Language
      English
      Type
      Conference Paper
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      Please cite this item using this persistent URL
      http://hdl.handle.net/11693/27795
      Abstract
      An adaptive filter for smoothing images corrupted by signal dependent noise is presented. The filter is mainly developed for speckle suppression in medical B-scan ultrasonic imaging. The filter is based on mean filtering of the image using appropriately shaped and sized local kernels. Each filtering kernel, fitting to the local homogeneous region, is obtained through local statistics based region growing. Performance of the proposed scheme have been tested on a B-scan image of a standard tissue-mimicking ultrasound resolution phantom. The results indicate that the filter effectively reduces the speckle while preserving the resolvable details. The performance figures obtained through computer simulations on the phantom image are presented in a comparative way with some existing speckle iippression schemes.
      Published as
      http://dx.doi.org/10.1117/12.157950
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      • Department of Electrical and Electronics Engineering 2964

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