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    Parallel processor implementation in computerized tomography using transputers : a thesis presented in partial fulfilment of the requirement for the degree of Master of Technology in Production Technology at Massey University

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    Abstract
    Image reconstruction by computerized tomography provides a nonintrusive method of imaging the internal structure of objects. From measurements of radiation (e.g. X-rays or gamma rays) passed through an object, it is possible to observe the internal structure. The reconstruction process is computationally intensive and requires imaginative parallel processing algorithms to attain 'real­ time' performance. The Inmos transputer makes parallel processing algorithms both feasible and relatively straight forward. In this thesis, a modification to the backprojection algorithm is introduced in order to improve the speed of the implementation. Work carried out has involved evaluating how these algorithms ( convolution, backprojection and interpolation ) can be used in multiprocessor concurrent architecture to obtain rapid image reconstruction. Several suitable transputer network structures have been advanced to simulate the image reconstruction. The reconstruction time is decreased very greatly and the image reconstruction result is good.
    Date
    1993
    Author
    Wu, Wenju
    Rights
    The Author
    Publisher
    Massey University
    URI
    http://hdl.handle.net/10179/14784
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    DSpace software copyright © Duraspace
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