Abstract: According to one embodiment, a medical imaging apparatus includes a gantry, a carriage, a screen, a reflector, and a frame. The gantry has a bore formed therein. The bore is formed to accept a subject to be imaged by the medical imaging apparatus. The carriage moves through the bore. The screen is provided on the carriage. An image is projected on the screen by a projector from a rear. The rear is opposite to a side of which a top plate is inserted into the bore. The reflector reflects the image projected on the screen. The reflector includes prisms arranged in a same line. The frame supports the reflector. The frame is provided on the carriage.

Abstract: According to one embodiment, an image processing device includes first storage and a processor. The first storage is configured to store a first statistical model generated by learning bokeh which occurs in a first image. The processor is configured to acquire a second image, acquire a bokeh value which indicates bokeh occurring in the second image and an uncertainty level which indicates a level of uncertainty for the bokeh value, generate a first bokeh map based on the bokeh value and uncertainty level, and acquire a second bokeh map obtained by interpolating a bokeh value with respect to the first bokeh map. The bokeh value and the uncertainty level are output from the first statistical model by inputting the second image into the first statistical model.

Abstract: According to one embodiment, an image processing device includes first storage and a processor. The first storage is configured to store a first statistical model generated by learning bokeh which occurs in a first image. The processor is configured to acquire a second image, acquire a bokeh value which indicates bokeh occurring in the second image and an uncertainty level which indicates a level of uncertainty for the bokeh value, generate a first bokeh map based on the bokeh value and uncertainty level, and acquire a second bokeh map obtained by interpolating a bokeh value with respect to the first bokeh map. The bokeh value and the uncertainty level are output from the first statistical model by inputting the second image into the first statistical model.

Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry, a couch, a movable base, a screen, a reflecting plate, and a support body. The gantry has a bore formed therein and performs medical imaging. The couch is configured to move the table top along the central axis of the bore. The movable base is provided independently of the table top so as to be movable along the central axis of the bore. The screen is provided on the movable base. An image from a projector is projected on the screen. The reflecting plate reflects the image projected on the screen. The support body is provided on the movable base and supports the reflecting plate.

Abstract: According to an embodiment, a display device includes a reflecting member and a display. The reflecting member has a reflecting surface and has an optical property that reflected light of parallel light incident on the reflecting surface is focused a focal point. The reflecting member is fixed to a couch top on which a user lies down. The display has a display surface for displaying an image. The display is fixed to the couch top so that the display surface is positioned between the focal point and the reflecting surface to face the reflecting surface.

Abstract: According to one embodiment, a medical imaging apparatus includes a gantry, a carriage, a screen, a reflector, and a frame. The gantry has a bore formed therein. The bore is formed to accept a subject to be imaged by the medical imaging apparatus. The carriage moves through the bore. The screen is provided on the carriage. An image is projected on the screen by a projector from a rear. The rear is opposite to a side of which a top plate is inserted into the bore. The reflector reflects the image projected on the screen. The reflector includes prisms arranged in a same line. The frame supports the reflector. The frame is provided on the carriage.

Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry and a screen. The gantry for medical imaging includes a bore. The screen is insertable into the bore. A predetermined image is projected by a projector on the screen. The screen forms a shape that enables light generated by the projector to arrive at an inner wall of the gantry.

Abstract: According to one embodiment, a display includes a projector, a first optical unit, and a second optical unit. The projector emits a first light including image information. The first optical unit transmits at least a portion of a second light. The second optical unit reflects at least a portion of the first light and transmits at least a portion of the second light. A light reflectance of the first optical unit is lower than a light reflectance of the second optical unit, and a light absorptance of the first optical unit is higher than a light absorptance of the second optical unit.

Abstract: According to one embodiment, a display device includes an imager and an image displayer. The imager images a first image of a first state of an eyelid of a viewer. The image displayer includes a light emitter and an optical unit. The light emitter emits light including image information. The optical unit includes a combiner. The light is incident on the optical unit. The combiner causes at least a portion of the light to be incident on an eyeball of the viewer. The image displayer modifies an incident direction of the portion of the light on the eyeball based on the first image imaged by the imager.

Abstract: An example optical device includes a first optical element and a second optical element. The first optical element has first and second surfaces. A first light emitted by a display is incident on the first surface. The first optical element includes transmissive portions and non-transmissive portions. Each of the transmissive portions extends in a first direction parallel to the first surface. The non-transmissive portions are respectively disposed in regions between the transmissive portions. A light transmittance of the non-transmissive portions is lower than that of the transmissive portions. A second light emitted from the second surface is incident on the second optical element, which emits a third light by condensing the second light. An optical axis of the third light is tilted with respect to an optical axis of the second light in a plane parallel to the first direction.

Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry and a screen. The gantry for medical imaging includes a bore. The screen is insertable into the bore. A predetermined image is projected by a projector on the screen. The screen forms a shape that enables light generated by the projector to arrive at an inner wall of the gantry.

Abstract: According to one embodiment, a medical image diagnostic apparatus includes a gantry, a couch, a movable base, a screen, a reflecting plate, and a support body. The gantry has a bore formed therein and performs medical imaging. The couch is configured to move the table top along the central axis of the bore. The movable base is provided independently of the table top so as to be movable along the central axis of the bore. The screen is provided on the movable base. An image from a projector is projected on the screen. The reflecting plate reflects the image projected on the screen. The support body is provided on the movable base and supports the reflecting plate.

Abstract: According to one embodiment, a display device includes a position controller, a projection unit, and a reflector. The projection unit emits light including image information. The projection unit is held by a holder. The position controller is interposed between the holder and the projection unit. The reflector reflects at least a portion of the light emitted from the projection unit. The reflector is held by the holder. A position of the reflector with respect to the holder is fixed. A relative arrangement of the projection unit and the reflector is changeable by the position controller.

Abstract: According to one embodiment, a display device includes an imaging unit, an information acquisition unit, a display unit, and a first transmittance control unit. The imaging unit images a first image and generates imaging data. The information acquisition unit acquires first information derived from the imaging data and relating to a second image. The display unit includes an image light emission unit and a semi-transmissive reflection plate. The image light emission unit emits image light. The semi-transmissive reflection plate causes the image light to be incident on one eye and causes background light of the first image to be incident on the one eye. The semi-transmissive reflection plate is disposed between the first transmittance control unit having first and second regions and the one eye. The first transmittance control unit causes a transmittance of the first region to be lower than a transmittance of the second region.

Abstract: A medical imaging apparatus comprises a gantry, a table, a first emitting unit, and a reflection unit. The table is movable to go in and out of the gantry. The first emitting unit is apart from the gantry and configured to emit image light. The reflection unit is configured to reflect the image light toward the table.

Abstract: According to an embodiment, a display device includes a reflecting member and a display. The reflecting member has a reflecting surface and has an optical property that reflected light of parallel light incident on the reflecting surface is focused a focal point. The reflecting member is fixed to a couch top on which a user lies down. The display has a display surface for displaying an image. The display is fixed to the couch top so that the display surface is positioned between the focal point and the reflecting surface to face the reflecting surface.

Abstract: According to one embodiment, an image display device includes a holder. The holder includes a holding member, a first extension portion, and a second extension portion. The holding member has a first end, and a second end separated from the first end, and includes a first portion, and a second portion. The first extension portion is connected to the first end. The second extension portion is connected to the second end and arranged with the first extension portion. The device includes a light emitting unit, and an optical unit. The light emitting unit is configured to be mounted on the first extension portion and to emit light including an image. The optical unit is configured to be mounted on the first portion and to change a travel direction of the light by reflecting the light.

Abstract: According to one embodiment, a head mounted display includes a holder, a projector, an optical part, a weight, a detector, a first calculator, and a movement part. The holder includes a frame, a first temple, and a second temple. The first temple and the second temple are respectively connected to each end part of the frame. The projector is provided on the first temple. The projector emits light. The optical part is provided on the frame. The optical part reflects at least part of the light emitted from the projector. The weight is provided on opposite side of the projector. The detector detects tilt of the holder. The first calculator calculates an optimal position of the weight based on the tilt of the holder. The movement part changes the position of the weight according to the optimal position.

Abstract: According to one embodiment, an optical device includes a first optical element and a second optical element. The first optical element has first and second surfaces. A first light emitted by a display is incident on the first surface. The first optical element includes transmissive portions and non-transmissive portions. Each of the transmissive portions extends in a first direction parallel to the first surface. The non-transmissive portions are respectively disposed in regions between the transmissive portions. A light transmittance of the non-transmissive portions is lower than that of the transmissive portions. A second light emitted from the second surface is incident on the second optical element, which emits a third light by condensing the second light. An optical axis of the third light is tilted with respect to an optical axis of the second light in a plane parallel to the first direction.