Image processing apparatus, x-ray diagnosis apparatus, and display method

An X-ray diagnosis apparatus comprising:

• a determination unit that determines whether an X-ray image serving as a first image is to be displayed as a moving image or a still image and a second image is to be displayed as a moving image or a still image according to display states of the images;
• and
• a display control unit that controls a display unit to display thereon any one of superimposed images of a combination of a moving image and a moving image, a combination of a moving image and a still image, and a combination of a still image and a moving image of the X-ray image and the second image, according to the determination made by the determination unit.

A display method comprising:

• determining whether an X-ray image serving as a first image is to be displayed as a moving image or a still image and a second image is to be displayed as a moving image or a still image according to display states of the images;
• and
• controlling a display unit to display thereon any one of superimposed images of a combination of a moving image and a moving image, a combination of a moving image and a still image, and a combination of a still image and a moving image of the X-ray image and the second image, according to the determining.