Validation of the circular harmonic transform (CHT) algorithm for quantitative SPECT.

  title={Validation of the circular harmonic transform (CHT) algorithm for quantitative SPECT.},
  author={W. G. Hawkins and Nae C Yang and Peter K. Leichner},
  journal={Journal of nuclear medicine : official publication, Society of Nuclear Medicine},
  volume={32 1},
The purpose of this study was to validate the use of the circular harmonic transform (CHT) algorithm for quantitative single-photon emission computed tomography (SPECT) with isotopes technetium-99m (99mTc) and indium-111 (111In) under clinically relevant conditions. Phantom studies were the principal tools used. Volumes of fillable organs within a tissue-equivalent anthropomorphic phantom were determined over a wide range (145-1960 ml) to within 6% by using a thresholding technique… CONTINUE READING
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