Abstract: An object information acquiring apparatus is used. This apparatus comprises: a light source configured to emit pulsed light of a plurality of wavelengths; a wavelength controller configured to switch the wavelength; a probe configured to receive an acoustic wave generated and propagated in an object subjected to the pulsed light emitted onto the object; a scan controller configured to move the probe within a predetermined scanning range; and an information processor configured to acquire information about the object by using a plurality of electric signals corresponding to the wavelengths of the pulsed light output from the probe at each reception position in the scanning area. The wavelength controller switches the wavelength of the pulsed light before the probe scans the entire scanning area while receiving at each reception position an acoustic wave corresponding to at least one of the wavelengths of the pulsed light.

Abstract: An ultrasonic diagnostic apparatus includes an ultrasonic probe configured to transmit and receives ultrasonic waves to and from an observation region of an object. The ultrasonic diagnostic apparatus further includes an estimated image generating unit configured to generate estimated image data corresponding to image data based on an ultrasonic focused beam from image data obtained by transmission of an ultrasonic plane-wave beam by using a model having been machine-learned from learning data including image data obtained by the transmission of the ultrasonic plane-wave beam and image data obtained by the transmission of the ultrasonic focused beam.

Abstract: A subject information acquisition apparatus includes a light irradiation unit configured to irradiate a subject with light, a probe configured to detect an acoustic wave generated in the subject due to the irradiation of the light, a moving unit configured to change a relative position between the probe and the subject, and a control unit configured to control the moving unit to move the probe so that the probe makes a movement along a path a plurality of times. The moving unit is controlled so that the relative position of the probe with respect to the subject when the subject is irradiated with the light during a first movement along the path differs from the relative position of the probe with respect to the subject when the subject is irradiated with the light during a second movement along the path successively performed after the first movement along the path.

Abstract: A photoacoustic apparatus includes a light source configured to generate a plurality of pulsed lights in different wavelengths, an irradiation optical system configured to irradiate an object with the pulsed light from the light source and configured to irradiate the object in different irradiation positions along a rotational trajectory during a rotational scanning period in a corresponding wavelength, and a probe configured to receive photoacoustic wave from the object in response to each pulsed light irradiation in the different irradiation positions and to convert the received photoacoustic wave into an electric signal. The irradiation optical system is moved to irradiate the object with a first wavelength in a plurality of times during a first rotational scanning period and irradiate the object with a second wavelength in a plurality of times during a second rotational scanning period after the first rotational scanning period.

Abstract: An information processing apparatus includes an image data acquisition unit and a template data acquisition unit. The image data acquisition unit acquires a plurality of pieces of image data generated by performing a plurality of ultrasonic wave transmission and reception operations on a subject while changing an ultrasonic wave transmission and reception mode. The template data acquisition unit acquires a plurality of pieces of template data corresponding to the plurality of ultrasonic wave transmission and reception operations, respectively. The similarity information acquisition unit acquires information indicating a similarity between an image value sequence of the plurality of pieces of image data at a target position and a template data sequence of the plurality of pieces of template data at the target position.

Abstract: An ultrasonic diagnostic apparatus includes an ultrasonic probe configured to transmit and receives ultrasonic waves to and from an observation region of an object. The ultrasonic diagnostic apparatus further includes an estimated image generating unit configured to generate estimated image data corresponding to image data based on an ultrasonic focused beam from image data obtained by transmission of an ultrasonic plane-wave beam by using a model having been machine-learned from learning data including image data obtained by the transmission of the ultrasonic plane-wave beam and image data obtained by the transmission of the ultrasonic focused beam.

Abstract: An ultrasonic diagnostic apparatus, comprising: an ultrasonic probe configured to transmit and receive ultrasonic waves to and from an object; and an estimation calculating unit configured to estimate data based on blood flow information from third data based on a received signal for image generation received by the ultrasonic probe by using a model having been machine-learned from learning data including first data based on a received signal for image generation that is obtained from an observation region and second data based on blood flow information of the observation region.

Abstract: An ultrasonic diagnostic apparatus, comprising: an ultrasonic probe which scans an observation region in an object with an ultrasonic wave; and an estimated image generating unit which, by using a model having been machine-learned using learning data including first data based on a first received signal that is obtained by first transmission/reception of an ultrasonic wave and second data based on a second received signal that is obtained by second transmission/reception that represents a larger number of transmissions/receptions than the first transmission/reception of the ultrasonic wave, generates an estimated image equivalent to image data obtained by the second transmission/reception from third data based on a third received signal that is obtained by transmission/reception equivalent to the first transmission/reception of the ultrasonic wave by the ultrasonic probe.

Abstract: An image processing apparatus includes a spectral image acquisition unit configured to acquire a spectral image that is an image generated using photoacoustic signals corresponding to a plurality of different wavelengths, based on photoacoustic waves generated by radiating lights with the plurality of different wavelengths to an object into which a contrast agent has been injected, a contrast agent information acquisition unit configured to acquire information about the contrast agent, a region determination unit configured to determine a region corresponding to the contrast agent in the spectral image on the basis of the information about the contrast agent, and a display control unit configured to display the spectral image such that the region corresponding to the contrast agent is distinguishable from a region other than the region corresponding to the contrast agent.

Abstract: An aspect provides an image processing apparatus processing three-dimensional image data generated based on a photoacoustic wave generated from inside of a subject.

Abstract: An image processing apparatus includes a data acquisition unit configured to acquire, in time series, first image data that have been generated based on acoustic waves generated by irradiating a subject, into which a contrast agent has been injected, with light a plurality of times and that correspond respectively to the plurality of times of light irradiation; and an image generation unit configured to generate second image data indicating a region corresponding to the contrast agent in the plurality of first image data on the basis of the plurality of the first image data acquired in time series.

Abstract: There are provided a subject information processing apparatus suitable for acquiring a moving image by consecutively receiving acoustic waves from an observation target subject region and an image display method. First combined image data is generated by combining at least two of i-th image data to (i+m)-th image data (i+m<N, where i and m are natural numbers) out of N pieces of image data based on electrical signals acquired when a probe detects the acoustic waves respectively at N positions (N is 3 or a larger integer) at different relative positions to the subject. Second combined image data is generated by combining at least two of an (i+n)-th to an (i+n+m)-th image data (n is a natural number). An image based on the first combined image data is updated to an image based on the second combined image data.

Abstract: An image processing apparatus acquires volume data including a negative voxel value and derived from a photoacoustic wave produced by irradiating a subject with light, generates compressed volume data by compressing the volume data to selectively reduce a data amount of voxel data having a voxel value whose absolute value is less than a threshold, and saves the compressed volume data.

Abstract: A subject information acquisition apparatus includes a converter configured to receive reflected waves from a contrast medium within a target area inside a subject, and a pressure information acquisition unit configured to acquire pressure information within the target area. In this case, the converter receives reflected waves from a contrast medium in each of a first period and a second period in which a pressure within the target area is different from the first period. The pressure information acquisition unit acquires pressure information in the second period within the target area based on a receive signal based on reflected waves in the first period, a receive signal based on a reflected wave in the second period, and pressure information on a region different from the target area, the pressure information being acquired in the first period.

Abstract: An information-processing apparatus according to the present invention is an information-processing apparatus that processes information based on a photoacoustic wave that is generated from a subject by light emission to the subject. The information-processing apparatus includes image-data-acquiring means that acquires a plurality of image data for multiple times of light emission, based on a photoacoustic wave that is generated by the multiple times of light emission to the subject, template-data-acquiring means that acquires a plurality of template data for the multiple times of light emission, and correlation-information-acquiring means that acquires information about correlation between an image value column of the plurality of image data at a noteworthy position and a template data column of the plurality of template data at the noteworthy position.

Abstract: An image processing apparatus according to the present disclosure includes a data acquisition unit configured to acquire data in which three-dimensional medical image data and supplementary information are associated with each other, a cross section information acquisition unit configured to acquire the supplementary information from the data and acquire cross section information indicating a cross section based on the supplementary information, a cross-sectional image generation unit configured to generate cross-sectional image data corresponding to the cross section based on the three-dimensional medical image data and the cross section information, and a display control unit configured to cause a display unit to display an image based on the cross-sectional image data.

Abstract: An information processing apparatus includes an image data acquisition unit and a template data acquisition unit. The image data acquisition unit acquires a plurality of pieces of image data generated by performing a plurality of ultrasonic wave transmission and reception operations on a subject while changing an ultrasonic wave transmission and reception mode. The template data acquisition unit acquires a plurality of pieces of template data corresponding to the plurality of ultrasonic wave transmission and reception operations, respectively. The similarity information acquisition unit acquires information indicating a similarity between an image value sequence of the plurality of pieces of image data at a target position and a template data sequence of the plurality of pieces of template data at the target position.

Abstract: An acoustic probe includes a plurality of transducers that receives acoustic waves and a supporting body including a supporting portion having a symmetrical concave surface, such as a spherical cap surface, which supports the transducers in a spiral array. The supporting position R at which the supporting portion supports the transducers is given as R(r0, ?, ?) [m, rad, rad] by a polar coordinate with respect to a center of the symmetrical concave surface by setting a sphere radius, a zenith angle, and an azimuth angle as “r0”, “?”, and “?”, wherein the plurality of transducers is arrayed at a set azimuth angle spiral pitch in an azimuth angle direction and an axis direction spiral pitch set parallel to a central axis direction of the symmetrical concave surface, and wherein the azimuth angle spiral pitch is an angle acquired by dividing 2? by 1+golden number.

Abstract: There are provided a subject information processing apparatus suitable for acquiring a moving image by consecutively receiving acoustic waves from an observation target subject region and an image display method. First combined image data is generated by combining at least two of i-th image data to (i+m)-th image data (i+m<N, where i and m are natural numbers) out of N pieces of image data based on electrical signals acquired when a probe detects the acoustic waves respectively at N positions (N is 3 or a larger integer) at different relative positions to the subject. Second combined image data is generated by combining at least two of an (i+n)-th to an (i+n+m)-th image data (n is a natural number). An image based on the first combined image data is updated to an image based on the second combined image data.

Abstract: An object information acquiring apparatus includes: an optical image acquiring unit which acquires an optical image obtained by optically capturing an image of an object on which a marker is arranged; a photoacoustic image acquiring unit which acquires a photoacoustic image derived from a photoacoustic wave generated from the object irradiated with light; and a superimposed image generating unit which generates a graphic on the basis of positional information of the marker in the optical image and which generates a superimposed image by superimposing the graphic onto the photoacoustic image.