Vector interpolation apparatus and method for ultrasound video

PURPOSE: A vector interpolation apparatus for an ultrasound video and a method thereof are provided to provide a visually natural ultrasonic image. CONSTITUTION: A probe(110) converts an electric signal into an ultrasonic signal. The probe transmits the transformed ultrasonic signal to an object. The probe converts the ultrasonic signal reflected from the object into an electric signal. A beam former(120) forms a received focusing signal. A demodulator(130) forms I data and Q data by demodulating the received focusing signal. I data comprises in-phase component. Q data comprises quadrature-phase component. An interpolation processing part(140) performs vector interpolation between different signals. [Reference numerals] (110) Probe; (120) Beam former; (130) Demodulator; (140) Interpolation processing part; (150) Envelope detecting part; (160) Log compressing part