Abstract: An ultrasonic apparatus includes an ultrasonic wave generating member having a light absorbing member that generates an ultrasonic wave when irradiated by a light from a light irradiating portion, and a transducer that detects the ultrasonic wave and converts the ultrasonic wave into an electric signal. The ultrasonic wave generating member includes an area that has a different light absorption coefficient in an irradiation area irradiated by the light from the light irradiating portion. Furthermore, in an area in which the light absorbing member is disposed, when an area irradiated by the light from the light irradiating portion is referred to as a transmitted ultrasonic wave generating area, the transmitted ultrasonic wave generating area functions as a surface sound source.

Abstract: An information acquisition apparatus according to the present invention includes a container configured to store a deformable acoustic matching member, a receiving unit configured to receive an acoustic wave generated from an object and output a signal, and a processing unit configured to acquire object information based on the signal. The processing unit acquires sound speed information about the object, acquires sound speed information about the acoustic matching member, acquires positional information about the acoustic matching member, acquires propagation time information about the acoustic wave between an interesting position of the object and the receiving unit using the positional information, the sound speed information about the object, and the sound speed information about the acoustic matching member, and acquires the object information about the interesting position using the signal and the propagation time information.

Abstract: Provided is an object information acquiring apparatus having: a receiving unit receiving an acoustic wave generated from an object, which has been irradiated with light, at a plurality of receiving positions and outputting time-series receiving signals; and a processing unit acquiring characteristic information by back-projecting the receiving signals, and the processing unit includes: a unit acquiring, for each receiving position, a dispersion index of light intensity distribution on a back projection spherical surface; a unit acquiring, for each receiving position, an angle range in the back projection based on the dispersion index; and a unit acquiring the characteristic information by back-projecting the receiving signals in the angle range.

Abstract: An optical property distribution, such as an absorption coefficient of the inside of a subject, is highly precisely acquired. A photoacoustic imaging apparatus includes an acoustic converting unit configured to receive acoustic waves generated by irradiating a subject with emitted light and to convert the acoustic wave to an electrical signal; and a processing unit configured to determine a light intensity distribution inside the subject on the basis of a light intensity distribution or an illuminance distribution of the light incident on the surface of the subject and to generate image data on the basis of the electrical signal and the determined light intensity distribution inside the subject.

Abstract: An optical property distribution, such as an absorption coefficient of the inside of a subject, is highly precisely acquired. A photoacoustic imaging apparatus includes an acoustic converting unit configured to receive acoustic waves generated by irradiating a subject with emitted light and to convert the acoustic wave to an electrical signal; and a processing unit configured to determine a light intensity distribution inside the subject on the basis of a light intensity distribution or an illuminance distribution of the light incident on the surface of the subject and to generate image data on the basis of the electrical signal and the determined light intensity distribution inside the subject.

Abstract: An object information acquiring apparatus, comprises an irradiating unit configured to irradiates an object with pulsed light; an acoustic wave detection unit configured to detect an acoustic wave generated from the object irradiated with the pulsed light and convert the acoustic wave into an electric signal; a storage unit configured to store a normalized light fluence distribution, which is a light fluence distribution normalized for a region of a predetermined size; and a processing unit configured to acquire characteristic information on the object using the stored normalized light fluence distribution and the electric signal.

Abstract: Employed is an information acquisition apparatus which acquires characteristic information about an object using a reception signal of acoustic waves generated by the object that is irradiated with light, the apparatus having: region acquisition unit for acquiring information indicating a plurality of regions of mutually different characteristics, in the object; sound velocity determination unit for determining sound velocity in the plurality of regions, using the information indicating the plurality of regions; and characteristic information acquisition unit for acquiring the characteristic information about the object, using the sound velocity and the reception signal.

Abstract: A display system comprises a display unit including a display screen, and a display control unit, wherein the display control unit sets at least one of luminance and a color map of the display screen based on wearing information indicating a wearing state of an eyewear.

Abstract: An object information acquiring apparatus, includes: an irradiator irradiating an object with light; a probe having a plurality of transducers which receive an acoustic wave generated from the object irradiated with the light and output a reception signal; and a controller using the reception signal to acquire property information on the interior of the object, and the probe has a plurality of apertures and a surface on which the plurality of transducers are arranged has a spherical surface shape.

Abstract: An ultrasound receiving apparatus of the present invention includes an ultrasound generation member. The ultrasound generation member is a sheet-shaped light absorbing member which is in acoustic contact with an acoustic liquid disposed between the subject and the ultrasound receiving array so as to acoustically combine the subject and the ultrasound receiving array, and is stretched in the acoustic liquid to be located between the subject and the ultrasound receiving array.

Abstract: An object information acquiring apparatus, comprises a signal acquiring unit that acquires a signal obtained by converting an acoustic wave generated from an object; an information acquiring unit that performs, on the signal, a signal process including at least any of an input impedance matching process, a filtering process, an amplification process, a subtraction process, and a signal extraction process, and acquire characteristic information inside the object using the processed signal; and a form acquiring unit that acquires form information of the object, wherein the information acquiring unit determines, based on the form information, contents of the signal process to be performed on a signal corresponding to a target region.

Abstract: An ultrasonic probe including a unit that changes a quantity of light emitted on a subject.

Abstract: A subject information obtaining apparatus sets certain sensitive regions corresponding to a plurality of acoustic wave detection elements on the basis of a sensitivity distribution of the plurality of acoustic wave detection elements, obtains, using an initial sound pressure obtaining unit, initial sound pressure in a region of interest without using a detection signal corresponding to the region of interest obtained by an acoustic wave detection element whose certain sensitive region does not include the region of interest, obtains, using a light intensity obtaining unit, a value of integrated light intensity in the region of interest on the basis of detection signals used by the initial sound pressure obtaining unit, and obtains an optical characteristic value in the region of interest using the initial sound pressure obtained by the initial sound pressure obtaining unit and the value of the integrated light intensity obtained by the light intensity obtaining unit.

Abstract: An object information acquiring apparatus comprises an irradiating unit which irradiates light on an object; a holding member which includes a light-absorbing member whose optical characteristics with respect to irradiated light are known and which holds the object; a detector which detects acoustic waves generated by tissue in the object and the light-absorbing member due to light irradiation; and a computing unit which calculates optical characteristics of the tissue in the object and the light-absorbing member by using the detected acoustic waves and which corrects the optical characteristics of the tissue in the object by using the calculated optical characteristics of the light-absorbing member and the known optical characteristics.

Abstract: A photoacoustic apparatus comprises a light source; an acoustic wave receiver receives an acoustic wave and converts into an electric signal; a first acquisition unit acquires a first absorption coefficient distribution inside the object using a first method; a second acquisition unit acquires a second absorption coefficient distribution inside the object using a second method; a third acquisition unit calculates the distribution of functional information on the interior of the object; and an image generation unit generates an image by masking the distribution of the functional information based on the second absorption coefficient distribution, wherein the second method is a method that can implement higher visibility than the first method when the absorption coefficient distribution is imaged.

Abstract: The present invention relates to a photoacoustic apparatus including a processing unit configured to obtain, for each of a plurality of timings, a light fluence with which a region of interest is irradiated, configured to weight, for each of the plurality of timings, a corresponding one of reception signal groups stored in a storage unit using a weighting factor based on the light fluence with which the region of interest is irradiated, and configured to obtain target-object information on the region of interest, based on the plurality of weighted reception signal groups respectively corresponding to the plurality of timings.

Abstract: There is employed an information processing system including: a photoacoustic image acquiring unit that acquires photoacoustic image data derived from photoacoustic waves generated by an object that is irradiated with light; a setting unit that sets a simulation condition; a reference image acquiring unit that acquires simulation image data being photoacoustic image data corresponding to the simulation condition set by the setting unit; and a display controlling unit that causes a photoacoustic image based on the photoacoustic image data and a reference image based on the simulation image data, to be displayed on a display unit.

Abstract: An object information acquiring apparatus, comprises an irradiating unit configured to irradiates an object with pulsed light; an acoustic wave detection unit configured to detect an acoustic wave generated from the object irradiated with the pulsed light and convert the acoustic wave into an electric signal; a storage unit configured to store a normalized light fluence distribution, which is a light fluence distribution normalized for a region of a predetermined size; and a processing unit configured to acquire characteristic information on the object using the stored normalized light fluence distribution and the electric signal.

Abstract: Disclosed is an object information acquiring apparatus including: an irradiator configured to emit pulsed light of a plurality of wavelengths different from each other; a receiver configured to receive object signals propagating from the object irradiated with the pulsed light of the plurality of wavelengths and converts the received object signals into a plurality of reception signals; a corrector configured to correct at least any of the plurality of reception signals according to pulse shapes of beams of the pulsed light of the plurality of wavelengths; and an information acquirer configured to acquire spectral information on the object using the plurality of reception signals corrected by the corrector.

Abstract: An ultrasonic apparatus includes an ultrasonic wave generating member having a light absorbing member that generates an ultrasonic wave when irradiated by a light from a light irradiating portion, and a transducer that detects the ultrasonic wave and converts the ultrasonic wave into an electric signal. The ultrasonic wave generating member includes an area that has a different light absorption coefficient in an irradiation area irradiated by the light from the light irradiating portion. Furthermore, in an area in which the light absorbing member is disposed, when an area irradiated by the light from the light irradiating portion is referred to as a transmitted ultrasonic wave generating area, the transmitted ultrasonic wave generating area functions as a surface sound source.