ULTRASOUND DIAGNOSTIC APPARATUS AND ULTRASOUND DIAGNOSTIC METHOD
First Claim
1. An ultrasound diagnostic apparatus which observes an inside of a body of a subject based on ultrasound waves reflected from the inside of the body and obtained using an ultrasound probe, said ultrasound diagnostic apparatus comprising:
- a B-mode image generation unit configured to generate a B-mode image, based on the reflected ultrasound waves;
a blood flow information generation unit configured to generate, based on the reflected ultrasound waves, blood flow information representing a region of the body in which blood flows;
a lumen contour extraction unit configured to extract a lumen contour of a blood vessel, based on the blood flow information;
a provisional adventitia contour setting unit configured to set a provisional adventitia contour containing the lumen contour; and
an adventitia contour extraction unit configured to extract an adventitia contour of the blood vessel, using the B-mode image, and using the provisional adventitia contour as a first initial contour.
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Accused Products
Abstract
An ultrasound diagnostic apparatus which observes an inside of a body of a subject based on ultrasound waves reflected from the inside of the body and obtained using an ultrasound probe, includes: a B-mode image generation unit which generates a B-mode image, based on the reflected ultrasound waves; a blood flow image generation unit which generates, based on the reflected ultrasound waves, a blood flow image representing a region of the body in which blood flows; a lumen contour extraction unit which extracts a lumen contour of a blood vessel, based on the blood flow image; a provisional adventitia contour setting unit which sets a provisional adventitia contour containing the lumen contour; and an adventitia contour extraction unit which extracts an adventitia contour of the blood vessel, using the B-mode image, and using the provisional adventitia contour as a first initial contour.
15 Citations
12 Claims
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1. An ultrasound diagnostic apparatus which observes an inside of a body of a subject based on ultrasound waves reflected from the inside of the body and obtained using an ultrasound probe, said ultrasound diagnostic apparatus comprising:
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a B-mode image generation unit configured to generate a B-mode image, based on the reflected ultrasound waves; a blood flow information generation unit configured to generate, based on the reflected ultrasound waves, blood flow information representing a region of the body in which blood flows; a lumen contour extraction unit configured to extract a lumen contour of a blood vessel, based on the blood flow information; a provisional adventitia contour setting unit configured to set a provisional adventitia contour containing the lumen contour; and an adventitia contour extraction unit configured to extract an adventitia contour of the blood vessel, using the B-mode image, and using the provisional adventitia contour as a first initial contour. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An ultrasound diagnostic method of observing an inside of a body of a subject based on ultrasound waves reflected from the inside of the body and obtained using an ultrasound probe, said ultrasound diagnostic method comprising:
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generating a B-mode image, based on the reflected ultrasound waves; generating blood flow information representing a region in which blood flows, based on the reflected ultrasound waves; extracting a lumen contour of a blood vessel, based on the blood flow information; setting a provisional adventitia contour containing the lumen contour; and extracting an adventitia contour of the blood vessel, using the B-mode image, and using the provisional adventitia contour as a first initial contour.
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Specification