| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a radiograph diagnostic imaging apparatus and a data processing method of the radiograph diagnostic imaging apparatus mitigating an artifact while suppressing adverse effects such as excessive blur and shading of the image. <P>SOLUTION: This radiograph diagnostic imaging apparatus 1 is provided with a radiation generating means 2 generating radiation, a radiation detecting means 3 detecting the radiation from the radiation generating means 2, a radiation detecting value logarithmically converting means 9 generating projection data by performing a processing with the logarithmic conversion relative to the radiation detecting value of the radiation detecting means 3, an intermediate variable generating means 11 generating an intermediate variable by performing a conversion corresponding to a logarithmic inverse conversion to the projection data, an intermediate variable smoothing means 12 performing the smoothing to the intermediate variable, and an intermediate variable logarithmically converting means 13 generating the projection data by performing a processing with logarithmic conversion to the intermediate variable after the smoothing. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
