G01S7/52063

Ultrasound apparatus and method of displaying ultrasound images

A method of displaying an ultrasound image includes reading, based on a user's input, the ultrasound image stored in a storage medium; displaying, on a screen, the ultrasound image and TGC information that is matched to the ultrasound image; receiving an input of modifying the TGC information by adjusting a TGC value in the TGC information, the at least one TGC value corresponding to a depth value; and updating the ultrasound image based on the modified TGC information.

Acoustic wave image generation apparatus and acoustic wave image generation method

An acoustic wave image generation apparatus for generating a photoacoustic image and a Doppler image is provided with a setting unit that sets a region of interest in the Doppler image, and a receiving-aperture controlling unit that sets receiving apertures of an acoustic wave detection probe for detecting photoacoustic waves to apertures smaller than all receiving apertures that the acoustic wave detection probe has, on the basis of a size of the region of interest, and for setting positions of the receiving apertures on the basis of a position of the set region of interest.

Calibration for ARFI imaging

A system and method includes transmission of an ultrasound push pulse toward material along a first axis, the ultrasound push pulse associated with a first frequency, a first F number, and a first focal depth, determination of displacement of the material along the axis in response to the push pulse, transmission of a second ultrasound pulse toward the material along the first axis, the second ultrasound pulse associated with a second frequency, a second F number, and a second focal depth substantially similar to the first frequency, the first F number, and the first focal depth, respectively, reception of echo signals from the material in response to the second ultrasound pulse, beamforming of the echo signals based on the first F number and a fixed focus at the first focal depth, determination of a magnitude of the beamformed echo signals along the axis, determination of relative elasticity of the material along the axis based on the determined displacement of the material along the axis and the magnitude of the beamformed echo signals along the axis, and generation of an image based on the determined relative elasticity of the material along the axis.

Ultrasonic imaging apparatus and control method thereof

Disclosed herein are an ultrasonic imaging apparatus of successively displaying a plurality of slice images of an object at predetermined frame rate, and a control method of the ultrasonic imaging apparatus. According to an embodiment of the ultrasonic imaging apparatus, the ultrasonic imaging apparatus may include: an image processor configured to extract a target in an object based on volume data of the object; a controller configured to determine a region of interest in the object, based on the extracted target; and a display unit configured to successively display a plurality of slice images of the object, including the region of interest.

ULTRASOUND IMAGING APPARATUS AND CONTROL METHOD THEREOF
20210223393 · 2021-07-22 ·

The ultrasound imaging apparatus provided to quantify the degree of flash artifacts based on an ultrasound echo signal, and to notify a user of an image section with a severe flash artifact includes: a probe configured to irradiate an ultrasound signal to an object and receive an ultrasound echo signal reflected from the object; an image processor configured to obtain a color Doppler signal from which the clutter signal is removed by filtering the ultrasound echo signal, obtain a plurality of consecutive Doppler image frames based on the color Doppler signal and generate a Doppler image based on the plurality of Doppler image frames; a display configured to output the Doppler image; and a controller configured to calculate a flash artifact score of each of the plurality of Doppler image frames based on the ultrasound echo signal, generate a time line corresponding to the plurality of Doppler image frames and control the display so that flash artifact scores of each of the plurality of Doppler image frames appear on the timeline.

Method and system for acquisition, enhanced visualization, and selection of a representative plane of a thin slice ultrasound image volume

An ultrasound device performs a two-dimensional (2D) ultrasound scan to acquire a plurality of 2D images based on 2D ultrasound scan parameters. The ultrasound system stops the 2D ultrasound scan in response to an instruction received by a processor of the ultrasound system. The ultrasound device performs a thin slice volume ultrasound scan in response to the instruction to acquire a thin slice volume. The thin slice volume includes a last acquired 2D image of the 2D ultrasound scan and one or more 2D images adjacent to the last acquired 2D image. The ultrasound system identifies at least one representative plane from the thin slice volume. The ultrasound system displays the identified at least one representative plane at a display system.

Ultrasound system with wide depth and detailed viewing

The invention relates to an ultrasound system for imaging a volumetric region comprising a region of interest comprising: a probe having an array of CMUT transducers adapted to steer ultrasound beams in a variable frequency range over the volumetric region; a beamformer coupled to the array and adapted to control the ultrasound beam steering and provide ultrasound image data of the volumetric region; a transducer frequency controller coupled to the beamformer and adapted to vary operation frequencies of the CMUT transducers within the frequency range, which frequency controller is arranged to set the operation frequency to a first frequency for the ultrasound beam steered in the volumetric region; an image processor responsive to the ultrasound image data, based on which it is adapted to produce an ultrasound image. The system further comprises a region of interest (ROI) identifier enabling to identify the region of interest on the basis of the ultrasound image data, wherein the identifier is adapted to generate identification data indicating the region of interest within the volumetric region; wherein the transducer frequency controller is further adapted to set, based on the identification data, the operation frequency to a second frequency for the ultrasound beams steered within the region of interest, the second frequency being higher than the first frequency.

Ultrasound system for providing ultrasound images at variable frequencies of a volumetric region comprising an interferer analyzer

An ultrasound system (100) for providing an ultrasound image of a volumetric region comprising a region of interest (12) comprising: a probe (10) having an array of CMUT transducers (14); a beamformer (64) coupled to the array and adapted to control the ultrasound beam steering and provide an ultrasound image data of the volumetric region; a transducer frequency controller (62) coupled to the beamformer and adapted to vary operation frequencies of the CMUT transducers within the frequency range, which frequency controller is arranged to set the operation frequency to a first frequency for the ultrasound beam steered in the volumetric region and to set the operation frequency to a second frequency for the ultrasound beams steered within the region of interest, the second frequency being higher than the first frequency; wherein the system further comprises an interferer analyzer (69) coupled to the transducer frequency controller (62), said interferer analyzer is adapted to vary at least one of beam steering parameters when the second frequency is above a threshold frequency value so as to mitigate a quality reduction of the ultrasound image due to the use of frequencies above the threshold.

Acoustic wave processing apparatus, signal processing method, and program for acoustic wave processing apparatus
10980515 · 2021-04-20 · ·

There are included a data processing step of selecting two or more pieces of data from among a plurality of pieces of first element data or a plurality of pieces of first reception data generated by subjecting the pieces of first element data to phasing addition processing, and performing superimposition processing on the two or more pieces of data, a region-of-interest setting step of setting a region of interest in an imaging area, and a processing condition changing step of changing a processing condition in the data processing step, in a case where the region of interest is set in the region-of-interest setting step, on the basis of information on the set region of interest.

ANALYZING APPARATUS AND ULTRASOUND DIAGNOSIS APPARATUS

An analyzing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to detect a movement of a tissue in each of a plurality of positions in an examined subject, by analyzing scan data acquired by transmitting a first ultrasound wave for generating a shear wave and transmitting and receiving a second ultrasound wave for measuring a shear wave. The processing circuitry is configured to calculate an index value related to waveform information showing changes in the movement of the tissue over time in each of the plurality of positions, based on the movement of the tissue. The processing circuitry is configured to output the index values.