Reconstrução tomográfica em SPECT: correcção da atenuação
Keywords:
Tomografia, Algoritmos de reconstrução, SPECT, Correcção da atenuaçãoAbstract
This paper studies certain reconstruction algorithms which find application in computerized tomography. Special attention is devoted to SPECT and to the problem of attenuation and its correction. Several algorithms that have been proposed to perform attenuation correction are reviewed and compared.