X-ray diagnostic apparatus, image processing apparatus, and image processing method

The X-ray diagnostic apparatus according to claim wherein

• the processing circuitry generates plural frames of the first vessel image data by subtracting non-contrast image data corresponding to the first contrast image data from each of the plural frames of the first contrast image data,
• generates plurality of frames of the second vessel image data by subtracting non-contrast image data corresponding to the second contrast image data from each of the plural frames of the second contrast image data,
• generates the third vessel image data by subjecting the plurality of the first vessel image data to transformation process, and
• generates the fourth vessel-image data by subjecting the plurality of pieces of the second vessel-image data to transformation process.

An X-ray diagnostic apparatus comprising processing circuitry configured to

• generate plural frames of e-series first vessel image data, whose observation direction is a first observation direction, and generates plural frames of time-series second vessel image data, whose observation direction is a second observation direction,
• generate plural frames of time-series third vessel image data, whose observation direction is the first observation direction, by transformation using at least one frame out of the plural frames of the first vessel-image data as a reference, the transformation transforming other frames of the plurality of the first vessel-image data,
• generate plural frames of time-series fourth vessel-image data, whose observation direction is the second observation direction, by transformation using at least one frame out of the plural frames of the second vessel-image data as a reference, the transformation transforming other frames of the plurality of the second vessel-image data,
• generate first color-image data, whose observation direction is the first observation direction, and that reflects a flow of a contrast agent based on the plural frames of the third vessel-image data, and generates second color-image data, whose observation direction is the second observation direction, and that reflects the flow of the contrast agent based on the plural frames of the fourth vessel-image data, and
• cause a display to display a stereoscopic image based on the first color-image data and the second color-image data.

An image processing apparatus comprising processing circuitry configured to

• generate plural frames of time-series first vessel-image data, whose observation direction is a first observation direction, and generates at least one frame of second vessel-image data, whose observation direction is a second observation direction,
• generate plural frames of third-vessel image data, whose observation direction is the second observation direction, by transforming more than one frame out of the plural frames of the first vessel-image data based on a blood vessel shape in at least one of the plural frames of the firs vessel-image data and a blood vessel shape in at least one frame of the second vessel-image data, the third-vessel image data corresponding to respective time phases of the plurality of pieces of the first vessel-image data,
• generate first color-image data, whose observation direction is a first observation direction, and that reflects a flow of a contrast agent by using more than one frame out of the plural frames of the first vessel-image data, and generates second color-image data, whose observation direction is the second observation direction, and that reflects the flow of the contrast agent by using more than one frame out of the plurality of the third vessel-image data, and
• cause a display to display a stereoscopic image based on the first color-image data and the second color-image data.

An image processing apparatus comprising processing circuitry

• generate plural frames of time-series first vessel-image data, whose observation direction is a first observation direction, and generates plural frames of time-series second vessel-image data, whose observation direction is a second observation direction,
• generates plural frames of time-series third-vessel image data, whose observation direction is the first observation direction, by transformation using at least one frame out of the plural frames of the first vessel-image data as a reference, the transformation transforming other frames of the plurality of the first vessel-image data,
• generate plural frames of time-series fourth-vessel image data, whose observation direction is the second observation direction, by transformation using at least one frame out of the plural frames of the second vessel-image data as a reference, the transformation transforming other frames of the plurality of the second vessel-image data,
• generate first color-image data, whose observation direction is the first observation direction, and that reflects a flow of a contrast agent based on the plural frames of the third vessel-image data, and generates second color-image data, whose observation direction is the second observation direction, and that reflects the flow of the contrast agent based on the plural frames of the fourth vessel-image data, and
• cause a display to display a stereoscopic image based on the first color-image data and the second color-image data.

An image processing method comprising:

• generating plural frames of time-series first vessel-image data, whose observation direction is a first observation direction, and generating at least one piece of second vessel-image data, whose observation direction is second observation direction;
• generating plural frames of third-vessel image data, whose observation direction is the second observation direction, by transforming more than one piece out of the plural frames of the first vessel-image data based on a blood vessel shape in at least one of the plural frames of the first vessel-image data and a blood vessel shape in at least one frame of the second vessel-image data, the third-vessel image data corresponding to respective time phases of the plural frames of the first vessel-image data;
• generating first color-image data, whose observation direction is a first observation direction, and that reflects a flow of a contrast agent by using more than one frame out of the plural frames of the first vessel-image data, and generating second color-image data, whose observation direction is the second observation direction, and that reflects the flow of the contrast agent by using more than one frame out of the plurality of the third vessel-image data;
• and
• causing a display to display a stereoscopic image based on the first color-image data and the second color-image data.

An image processing method comprising:

• generating plural frames of time-series first vessel-image data, whose observation direction is a first observation direction, and generating plural frames of time-series second vessel-image data, whose observation direction is a second observation direction;
• generating plural frames of time-series third-vessel image data, whose observation direction is the first observation direction, by transformation using at least one frame cut of the plural frames of the first vessel-image data as a reference, the transformation transforming other frames of the plurality of the first vessel-image data;
• generating plural frames of time-series fourth-vessel image data, whose observation direction is the second observation direction, by transformation using at least one frame cut of the plural frames of the second vessel-image data as a reference, the transformation transforming other frames of the plurality of the second vessel-image data;
• generating first color-image data, whose observation direction is the first observation direction, and that reflects a flow of a contrast agent based on the plural frames of the third vessel-image data, and generating second color-image data, whose observation direction is the second observation direction, and that reflects the flow of the contrast agent based on the plural frames of the fourth vessel-image data;
• and
• causing a display to display a stereoscopic image based on the first color-image data and the second color-image data.