| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an image diagnostic apparatus comprising the function of automatically setting a region of interest for measuring a contrast effect.SOLUTION: An image diagnostic apparatus includes: a magnetic disc 18 for storing a diagnostic image including a diagnostic object region imaged before and after injection of a contrast agent into a vein of a subject 1; a display 20 for displaying the diagnostic image on a display screen by reproducing the diagnostic image stored in an image storage part; a rate-of-rise calculation part 8a for determining a rate of rise of a pixel signal of each pixel of the diagnostic image displayed on the display screen; and a region-of-interest setting part 8b for setting a region of interest in the diagnostic image on the basis of the rate of rise of the pixel signal.</p> |
