To suitably describe a narrow blood vessel on the surface of the heart relating to an image preparation method and apparatus.
A heart part is extracted from volume data obtained by CT photography of the heart, the data (Dma, Dv) of a range from the surface of the heart part on the front side in the view from a line-of-sight direction to a prescribed depth (d) in the line-of-sight direction are extracted, maximum value projection is executed to the extracted data (Dma, Dv) and an image is prepared. By this invention, since the data Dmb of a cardiac muscle part on the rear side in the view from the line-of-sight direction is abandoned and its adverse effect is eliminated, the narrow blood vessel (Dv) on the surface of the heart is suitably described.
NAKANO KOICHI
SUZUKI KAORI
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