Abstract: For reducing a time utilized in an AO process, provided is a deformable mirror system, including: a deformable mirror capable of changing a shape of a reflecting surface by a deformation amount in accordance with an input signal; a light wavefront measurement apparatus configured to measure a light wavefront shape of reflected light from the deformable mirror; a conversion factor calculation apparatus configured to calculate a conversion factor used in obtaining the input signal from a variation in light wavefront shape of the reflected light with respect to a change in input signal; a shape difference calculation apparatus configured to calculate a shape difference between the light wavefront shape measured by the light wavefront measurement apparatus and a light wavefront shape calculated from the input signal; and a conversion factor update unit configured to update the conversion factor in accordance with the calculated shape difference.

Abstract: A tomographic image acquisition apparatus includes a first designation unit configured to designate a first position in which to acquire a first tomographic image in a fundus image of an eye to be examined, a first acquisition unit configured to acquire the first tomographic image corresponding to the first position, a second designation unit configured to designate a second position in which to acquire a second tomographic image in the first tomographic image, the second tomographic image having a higher resolution than the first tomographic image, and a second acquisition unit configured to acquire the second tomographic image based on the first position and the second position.

Abstract: An optical imaging apparatus includes a splitting unit configured to split return light, obtained by applying measurement light from a light source to an object to be examined via a measurement optical path, into a plurality of beams, a light receiving unit configured to measure intensities of the beams, a changing unit configured to change a ratio of signal components of as an image to be displayed based on the measured intensities of the beams, an angle specifying unit configured to specify an angle, and a generating unit configured to generate an image by calculation using the changed ratio of the signal components. The ratio of signal components of an image to be displayed based on intensities of beams is changed in accordance with information about a specified angle to generate an image of an object such that the direction of edge enhancement on the object is changed.

Abstract: A tomographic image acquisition apparatus includes a first designation unit configured to designate a first position in which to acquire a first tomographic image in a fundus image of an eye to be examined, a first acquisition unit configured to acquire the first tomographic image corresponding to the first position, a second designation unit configured to designate a second position in which to acquire a second tomographic image in the first tomographic image, the second tomographic image having a higher resolution than the first tomographic image, and a second acquisition unit configured to acquire the second tomographic image based on the first position and the second position.

Abstract: An optical imaging apparatus includes a splitting unit configured to split return light, obtained by applying measurement light from a light source to an object to be examined via a measurement optical path, into a plurality of beams, a light receiving unit configured to measure intensities of the beams, a changing unit configured to change a ratio of signal components of as an image to be displayed based on the measured intensities of the beams, an angle specifying unit configured to specify an angle, and a generating unit configured to generate an image by calculation using the changed ratio of the signal components. The ratio of signal components of an image to be displayed based on intensities of beams is changed in accordance with information about a specified angle to generate an image of an object such that the direction of edge enhancement on the object is changed.

Abstract: An adaptive optics system includes an irradiation unit adapted to irradiate an object with measurement light via a spatial light modulator; a detection unit adapted to detect a wavefront of return light from the object by a microlens array in which a plurality of microlenses are arranged; an acquisition unit adapted to acquire, based on the wavefront detected by the detection unit, correction data for correcting the wavefront by phase wrapping in the spatial light modulator; and a control unit adapted to perform control such that a wavefront discontinuous part formed by the phase wrapping determined by the correction data is held at not less than a predetermined distance from a center of each of the microlenses in the microlens array.

Abstract: For reducing a time utilized in an AO process, provided is a deformable mirror system, including: a deformable mirror capable of changing a shape of a reflecting surface by a deformation amount in accordance with an input signal; a light wavefront measurement apparatus configured to measure a light wavefront shape of reflected light from the deformable mirror; a conversion factor calculation apparatus configured to calculate a conversion factor used in obtaining the input signal from a variation in light wavefront shape of the reflected light with respect to a change in input signal; a shape difference calculation apparatus configured to calculate a shape difference between the light wavefront shape measured by the light wavefront measurement apparatus and a light wavefront shape calculated from the input signal; and a conversion factor update unit configured to update the conversion factor in accordance with the calculated shape difference.

Abstract: Aberration is measured as phase information at each of a plurality of aberration measurement points, and at the time of correcting the aberration with correction pixels of an aberration correction unit of which the number is greater than the number of the plurality of aberration measurement points, correction pixels corresponding to each aberration measurement point are driven based on the phase information. Regarding correction pixels not positionally corresponding to the aberration measurement points, the aberration correction unit is driven based on phase information in the vicinity of this correction pixel.

Abstract: An adaptive optics system includes an irradiation unit adapted to irradiate an object with measurement light via a spatial light modulator; a detection unit adapted to detect a wavefront of return light from the object by a microlens array in which a plurality of microlenses are arranged; an acquisition unit adapted to acquire, based on the wavefront detected by the detection unit, correction data for correcting the wavefront by phase wrapping in the spatial light modulator; and a control unit adapted to perform control such that a wavefront discontinuous part formed by the phase wrapping determined by the correction data is held at not less than a predetermined distance from a center of each of the microlenses in the microlens array.

Abstract: Aberration is measured as phase information at each of a plurality of aberration measurement points, and at the time of correcting the aberration with correction pixels of an aberration correction unit of which the number is greater than the number of the plurality of aberration measurement points, correction pixels corresponding to each aberration measurement point are driven based on the phase information. Regarding correction pixels not positionally corresponding to the aberration measurement points, the aberration correction unit is driven based on phase information in the vicinity of this correction pixel.