| 摘要 |
In a contour image generation unit (9), a reconstruction processing unit (31) reconstructs emission data (E1) collected through the detection of gamma rays emitted from a subject (M) and generates a three-dimensional reconstructed image (G1), and a maximum intensity projection processing unit (33) carries out maximum intensity projection processing on the three-dimensional reconstructed image (G1) and generates two-dimensional maximum intensity projection data (P1) for a plurality of directions. A contour extraction processing unit (35) extracts the contour of a breast (B) of the subject (M) from each of the two-dimensional maximum intensity projection data (P1) items and generates two-dimensional contour projection data (P2). A back projection processing unit (37) back projects the two-dimensional contour projection data (P2) and generates a three-dimensional back-projection image (G2). A contour image generation unit (39) carries out threshold processing on the three-dimensional back-projection image (G2) and generates a three-dimensional contour image (Gr1). |
