Abstract:
There are provided an ultrasonic imaging apparatus, an ultrasonic probe apparatus, a signal processing apparatus, and a method for controlling an ultrasonic imaging apparatus. The ultrasonic imaging apparatus may include at least one first ultrasound element installed in a first ultrasound element installation unit; at least one second ultrasound element installed in a second ultrasound element installation unit that is separate from the first ultrasound element installation unit and such that the second ultrasound element forms a gap with the first ultrasound element; and a processor configured to estimate one or two or more virtual ultrasound signals that correspond to the gap based on a first ultrasound signal output from the at least one first ultrasound element and a second ultrasound signal output from the at least one second ultrasound element.
Abstract:
An ultrasonic probe includes a capacitive micromachined ultrasonic transducer (cMUT) array configured to generate ultrasonic waves, an integrated circuit to which the cMUT array is bonded, and a flexible printed circuit board having one end connected to the integrated circuit to output signals to the integrated circuit, the integrated circuit including pads provided on the integrated circuit and an anisotropic conductive film (ACF) provided on the pads, and the one end of the flexible printed circuit board being connected to the ACF to thereby connect the flexible printed circuit board to the integrated circuit.
Abstract:
An ultrasound imaging apparatus includes an ultrasonic probe configured to transmit an ultrasound to an object, receive an echo signal reflected from the object, and output the echo signal; a quality determiner configured to receive the echo signals and determine quality of voxels of a three-dimensional (3D) volume of the object to be rendered based on observation information of the 3D volume; and a beamformer configured to perform beamforming on the echo signal based on the quality of the voxels to generate an output signal.
Abstract:
An ultrasound probe includes a transmission unit configured to generate a transmission signal; and a modulator configured to generate a modulation signal having a pulse width proportional to a size of an amplitude of the transmission signal at a peak level and a base level for each period of the transmission signal.
Abstract:
Disclosed herein are an ultrasound imaging apparatus and a method for controlling the same. An occluded region generated in a 2D image may be removed by performing frame interpolation on a surface region of an object by extracting the surface region of the object from 3D ultrasonic volume data and calculating a motion vector in the extracted surface region, and an amount of calculation may be reduced by calculating a motion vector of the surface region in 3D volume data. The ultrasound imaging apparatus includes a volume data generator configured to acquire volume data which relates to the object, a surface region extractor configured to extract the surface region of the object based on the acquired volume data, and a frame interpolator configured to perform frame interpolation on the extracted surface region of the object.
Abstract:
A beam forming apparatus may include a first combiner configured to combine signals in a plurality of groups individually for each group to generate first composite signals and a second combiner configured to combine the first composite signals using a weight applied variously depending on the first composite signals.
Abstract:
Disclosed herein are an ultrasonic apparatus for imaging an ultrasonic signal and a control method for the same. The ultrasonic apparatus may include a transducer configured to irradiate a plurality of ultrasonic waves which have different traveling directions onto an object and to collect a plurality of echo ultrasonic waves reflected from the object; and a controller configured to acquire a plurality of sound velocities of the plurality of ultrasonic waves in the object and to compound the acquired plurality of sound velocities in order to determine a composite sound velocity in the object.
Abstract:
A beamforming apparatus includes: a signal output unit configured to output signals; a time difference corrector configured to correct a time difference between the signals; and a weight applier configured to apply a weight value to the signals, according to an error between the signals with the corrected time difference and a target delay pattern.
Abstract:
A transmit beamforming apparatus, receive beamforming apparatus, ultrasonic probe having the same, ultrasonic diagnostic apparatus, and beamforming method are provided. The transmit beamforming apparatus for transmitting ultrasound beams by using a plurality of ultrasonic transducer elements includes a transmit beamformer configured for forming a transmit signal pattern by applying a delay time to a transmit signal that corresponds to at least one of the plurality of ultrasonic transducer elements; and a transmission controller configured for determining a delay frequency to be applied in conjunction with the application of the delay time.
Abstract:
An ultrasonic apparatus includes a transducer configured to irradiate ultrasonic waves in different traveling directions onto an object and collect echo ultrasonic waves reflected from the object, and a controller configured to determine blood flow velocities of blood flowing in the object based on the echo ultrasonic waves, compound the determined blood flow velocities, and determine a composite blood flow velocity of the blood flowing in the object based on the compounded blood flow velocities.