Abstract: Stereoscopic systems, using active and passive three dimensional (“3D”) projection for creating and displaying interactive, real-time virtual stage sets, are disclosed. In one embodiment, the system uses a plurality of projectors displaying on a plurality of on-set screens, along with at least one computer processor for controlling the projectors and for maintaining, uploading, and streaming various stage set virtual imagery. The system is designed to be fully customizable for use with live stage productions, concerts, entertainment attractions, and similar events. Further, methods for innovatively using stereoscopic 3D projection technology, including both passive and active 3D visuals, in order to create an interactive, virtual environment for stage performers in real-time, are disclosed.

Abstract: The disclosure discloses a displacement-type scanning stereoscopic display apparatus including: a protective shell, projection screens, light shielding cases, two rotary shafts, conveyor belts, at least two scattering plates; and the rotary shaft is uniformly rotated at a high speed, the scattering plates fixed on the conveyor belt periodically receives image slices projected from the projection screens, and when the scattering plates are moved from one of the rotary shaft positions to the other rotary shaft position, a scanning display of the image slice corresponding to the stereoscopic image is completed. According to the embodiment of the disclosure, by the rotation of the rotary shaft, the moving screen can be moved uniformly, and the display effect and the service life of the stereoscopic display apparatus can be remarkably improved.

Abstract: Systems and methods for displaying an image across a plurality of displays are described herein. Pixel intensity values in the multifocal display are determined using correlation values and numerical iterations. An eye tracking system measures eye tracking information about a position of a user's eye, and the pixel intensity values are modified based on the eye tracking information. An image is displayed on the plurality of displays based on the determined pixel intensity values. The plurality of displays may be within an HMD, and address vergence accommodation conflict by simulating retinal defocus blur.

Abstract: An aerial image display device is capable of changing a depth of a virtual image viewed by an observer without changing a distance between at least one display device and an optical element forming the virtual image. The aerial image display device includes a display device, optical elements, and a reflecting member. The optical elements are installed corresponding to different display regions of a display surface of the display device and sequentially arranged along the display surface in an observation direction of an observer. The optical element is installed obliquely with an angle of about 45° in a ?X direction when viewed from the display surface of the display device. The optical element is installed obliquely with an angle of about 45° in an X direction when viewed from the display surface of the display device.

Abstract: An image display device includes a half mirror, an image output device configured to output a light beam to one face of the half mirror, and a retroreflective member configured to retroreflect at least one of a light beam mirror-reflected off the one face of the half mirror and a light beam transmitted through the one face of the half mirror. The retroreflective member has a base material layer and a plurality of prismatic retroreflective elements formed on one face or two faces of the base material layer. The tilt angle of the optical axis of the prismatic retroreflective element exceeds zero degree.

Abstract: A multifocal test system is described herein. The system includes a plurality of displays located at different focal distances. Each display includes a plurality of pixels with pixel intensity values. The system includes an eye tracking system that determines eye tracking information about a position of an eye relative to the displays. A controller is configured to determine pixel intensity values based on decomposition of a scene across the plurality of displays, and the position of the eye.

Abstract: A three-dimensional system includes at least one pattern projector, at least two cameras, a two-dimensional image feature extractor, a three-dimensional point-cloud generator, and a three-dimensional point-cloud verifier. The pattern projector is configured to synchronously project at least two linear patterns. The at least two cameras are configured to synchronously capture a two-dimensional image of the scanned object. The two-dimensional image feature extractor is configured to extract a two-dimensional line set of the at least two linear patterns on the surface of the scanned object on the two-dimensional image. The three-dimensional point-cloud generator is configured to generate the candidate three-dimensional point set based on the two-dimensional line set. The three-dimensional point-cloud verifier is configured to select an authentic three-dimensional point set correctly matching with the projection contour lines on the surface of the object from the candidate three-dimensional point set.

Abstract: A Mux/Demux subassembly includes a stamped optical bench, which includes an array of stamped reflective surfaces for redirecting optical signals. Alignment features and components of the Mux/Demux subassembly are integrally formed on a stamped optical bench, defining a desired optical path with optical alignment at tight tolerances. The optical bench is formed by stamping a malleable stock material (e.g., a metal stock), to form precise geometries and features of the optical bench.

Abstract: A lighting apparatus with an image-projecting function that is convenient for a user is provided. It includes: an illuminating unit that emits illumination light; a projection-type image display unit that emits image-projecting emission light for projecting an image; and a sensor that emits operation-detecting light for operation detection and that is capable of detecting an operation by an operation object in a range including an image projection area of the projection-type image display unit, and is configured so that the image-projecting light, and the operation-detecting emission light have respective different wavelength distribution characteristics, and regarding a light amount in the wavelength range of light used by the sensor for the operation detection, a light amount of the operation-detecting light is the largest among those of the illumination light, the image-projecting emission light, and the operation-detecting light.

Abstract: This aerial image display device is provided with an optical plate having a plurality of reflective surfaces orthogonal to each other in plan view, a projection device, a specular mirror, and a screen. The mirror includes a counter mirror disposed spaced apart from the optical plate at the opposite side of a focused image M across the optical plate. The projection device and the screen sandwich a light path between the counter mirror and the optical plate at the opposite side of the focused image (M) across the optical plate. The projection light emitted from the projection device is incident on the screen after reflecting from the counter mirror, and then incident on the optical plate after reflecting from the screen and then from the same counter mirror.

Abstract: An air conditioner having a projector and a method for controlling the same output an image to a display plate of the air conditioner and to the periphery of the air conditioner.

Abstract: To provide a light source unit which can be formed compact in size while contributing to enhancement in luminance and a projector including this light source unit, there is provided a light source unit including a first light source which emits light in a range of first wavelengths, and a second light source which emits light in a range of second wavelengths which is different from the range of first wavelengths, wherein the first light source and the second light source each include a long wavelength light emitting portion and a short wavelength light emitting portion, the long wavelength light emitting portion emitting, of lights of different wavelengths which exist in a range of light wavelengths producing light of similar colors, light of a long wavelength, the short wavelength light emitting portion emitting light of a short wavelength.

Abstract: A floating image display apparatus including a plurality of display modules, a first directional film, and at least one transflective element is provided. The display modules include a first display module and a second display module. The first display module includes a first and a second display panel. The second display module is located on an opposite side to the first display module and includes a third and a fourth display panel. The third display panel is disposed corresponding to the first display panel and the fourth display panel is disposed corresponding to the second display panel. The first directional film is disposed on the first display module and is located between the first and second display modules. The transflective element is located between the first and second display modules, and each of the transflective element and the second display module form an included angle ?1.

Abstract: The invention relates to a head-up display including an element (10) suitable for overlaying a first image of a scene (14) on a second image from a projection system, the projection system including a screen (24) and an optical system (26), the screen (24) being divided into sub-screens (24A, 24B, 24C), each of which display the second image, the optical system (26) including a set of optical subsystems (26A, 26B, 26C) positioned opposite each sub-screen (24A, 24B, 24C), the screen being positioned within the object focal plane of each optical sub-system (26A, 26B, 26C).

Abstract: An autostereoscopic display device includes a projector, an angle-enlarging module, a screen, and a polarization selector. The projector provides a lamp image unit with a first polarization state. The angle-enlarging module includes a deflecting plate, a wavelength retarder, and a polarizer. The deflecting plate has a first deflecting segment and a second deflecting segment alternately with each other. The first and the second deflecting segments respectively deflect the lamp image unit to a first direction and a second direction different from each other. The wavelength retarder has a transmitting segment aligned to the first deflecting segment and a wavelength retarding segment aligned to the second deflecting segment. The transmitting segment maintains the first polarization state when the lamp image unit passes therethrough. The wavelength retarding segment converts the first polarization state into a second polarization state.

Abstract: A gesture recognition apparatus and method are provided. The gesture recognition apparatus includes an imaging device that is configured to photograph a gesture recognition region and generate image information and a distance sensor that is configured to sense a particular object that approaches a gesture start position. A controller is configured to enter a gesture input mode when the particular object is located at the gesture start position for a predetermined time and recognize a gesture by detecting the particular object based on the image information. Further, the controller is configured to provide feedback that indicates whether the particular object is located at the gesture start position and feedback that indicates whether the particular object is located in the gesture recognition region in the input mode.

Abstract: Embodiments of imaging devices of the present disclosure automatically utilize simultaneous image captures in an image processing pipeline. In one embodiment, control processing circuitry initiates simultaneous capture of the first image by the first image sensor and the second image by the second image sensor; and image processing circuitry generates an enhanced monoscopic image comprising at least portions of the first image and the second image.

Abstract: Light field imaging systems, and in particular light field lenses that can be mated with a variety of conventional cameras (e.g., digital or photographic/film, image and video/movie cameras) to create light field imaging systems. Light field data collected by these light field imaging systems can then be used to produce 2D images, right eye/left eye 3D images, to refocus foreground images and/or background images together or separately (depth of field adjustments), and to move the camera angle, as well as to render and manipulate images using a computer graphics rendering engine and compositing tools.

Abstract: The described implementations relate to enhancement images, such as in videoconferencing scenarios. One system includes a poriferous display screen having generally opposing front and back surfaces. This system also includes a camera positioned proximate to the back surface to capture an image through the poriferous display screen.

Abstract: An optical system that projects a real image to a location in free space and includes one or more features located along the optical path that enhance the viewability of the real image. The optical system includes a converging element for converging a portion of source light so as to form the real image. One viewability-enhancing features is the use of a broadband reflector-polarizer having high transmitting and reflecting efficiencies. Another viewability-enhancing features is the use of polarizing elements having substantially matched bandwidth responses and/or comprising an achromatic design. An additional viewability-enhancing feature is the use of a wide-view film to increase the viewing angle of the image.

Abstract: A method for use with 3-dimensional or stereoscopic projection is disclosed, with crosstalk and differential distortion compensations provided for stereoscopic images in a presentation such that the projected images will have reduced crosstalk and differential distortion.

Abstract: The present invention discloses a spherical-screen device, a spherical-screen playing system and an image generating method for image rectification. The method includes the steps of: equally dividing an arc curve of a spherical screen, which corresponds to a radian of 90°, into a plurality of segments; equally dividing a straight line of a planar image corresponding to the arc curve into a plurality of segments, the number of the segments of the straight line being equal to the number of the segments of the arc curve; assigning an image parameter of a first point in the planar image to a third point in a planar image; and connecting a sphere center with a second point of a to-be-displayed image position on the arc curve that corresponds to the first point, a point falling in the planar image being the third point.

Abstract: The invention relates to a projector screen having a projection surface essentially forming a spheric section, comprising a rigid structure (1) that is preferably male of a metal, and a membrane (2) that is preferably made of a textile, the membrane being supported by said rigid structure (1), characterised in that the membrane (2) envelops the rigid structure (1) and in that a means (3) for generating a vacuum is provided in order to keep the membrane (2) pressing against the rigid structure (1). Application to screening rooms.

Abstract: A 3-D virtual display system that provides a compact display device which utilizes a small object to be projected. The 3-D virtual display system has a housing with a front panel having an opening, first and second opposing side panels, a display object, a mirror disposed diagonally within said housing facing said display object, a rotating motor, the display object is attached to the rotating motor adjacent to the front panel and the first side panel, a Fresnel lens covering the opening of the front panel and a light source disposed within the housing for illuminating the display object. The display object is illuminated by the light source and projects via the mirror and the Fresnel lens a virtual three-dimensional image outside the housing. The display system can provide an audio component that may be recordable by the user. The display system is capable of accepting a removable advertising faceplate.

Abstract: A display device according to the present invention includes a mounting stand having a display mounting surface for removably placing an electronic device having a flat panel display thereon, a panel-shaped image-forming optical element, and a case, housing or the like for housing the electronic device therein. The image-forming optical element is disposed on an upper surface of the case or the like. The display mounting surface is disposed under the image-forming optical element at a predetermined inclined angle with respect to a lower surface of the image-forming optical element. A projected image of a video picture displayed on the display is image-formed in a manner floating up over the image-forming optical element by means of light projected from the display of the electronic device placed on the display mounting surface and transmitted through the image-forming optical element.

Abstract: An image display system can include a shaped screen, a mirror image of an item stored in an electronic format, a presentation component, and an attachment mechanism. The shaped screen can have one surface with a diffraction grating. The shaped screen can correspond to the shape of an item to be displayed and can be made of a substantially transparent material. The presentation component can be configured to present a simulated-holographic image of the item upon the shaped screen. The mirror image can be visually projected upon the shaped screen, where the light of the projection is dispersed by the diffraction grating to substantially simulate a three-dimensional holographic image from the two-dimensional mirror image.

Abstract: A floating image interaction device includes an imaging optical system projecting a floating real image of an object and an user object detecting means for obtaining information about the user accessing the floating real image; means to realize interactive response by the real image or by haptic feedback to actions by the user; and related computer programs.

Abstract: A method of producing a Pepper's Ghost Illusion comprising using a reflective and semi-transparent foil formed from a polymeric composite, the polymeric composite including a flame retardant.

Abstract: An optical system includes: a reflective imaging element; and a liquid crystal display panel disposed on a light-incident side of the reflective imaging element, the liquid crystal display panel having a display surface which is inclined with an angle of no less than 45° and no more than 75° relative to a plane defined by the reflective imaging element, a viewing angle dependence of a contrast ratio of the liquid crystal display panel taking a central value in a direction inclined by 10° or more in a direction of tilt of the display surface from a normal of the display surface, and causes an image displayed on the display surface of the liquid crystal display panel to form an image at a position of planar symmetry with respect to the reflective imaging element as a plane of symmetry.

Abstract: A projection apparatus is provided which is portable and scalable in size, and comprises a first projection device to direct a first program material towards a planar viewing film which is at least partially transparent and at least partially reflective, and which is mounted at an angle with respect to the viewing plane of a viewer, so as to create a virtual image. A rear screen is arranged in the viewing plane, behind the viewing film so as to exhibit second program material from a second projection device. The first program material and the second program material are edited and synchronized one with the other so that the virtual image is interrelated with the second program material on the rear screen, and provide an enhanced simulated 3D viewing.

Abstract: A plenoptic projector device includes an array of laser radiation sources each configured to project a light beam along a ray. An array of reorientable mirrors, each of which is optically coupled to one or more of the laser radiation sources of the array, deflect the ray of each of the laser radiation sources. A controller synchronously reorients each of the reorientable mirrors to sweep a sector in space by each of the rays. A modulation circuit modulates intensity of the beam of each of the laser radiation sources. The projector device is configured to reproduce at least three independent dimensions of a four dimensional light field.

Abstract: A display assembly for displaying a virtual image of an object with occlusion and contrast. The display assembly includes a virtual object display selectively displaying an image at a virtual object plane. The display assembly includes a mask generation screen assembly with a screen element operable in a first state in which the screen element is transparent to visible light and in a second state in which a portion is opaque. The screen element is positioned proximate to the virtual object plane. The opaque portion of the screen element corresponds in size, shape, and location to the displayed virtual object image to provide a mask for the virtual image. The screen element may include a projectable mask screen opaque in regions exposed to a predefined type of non-visible light. The non-visible light may be ultraviolet (UV) light or infrared (IR) light selectively provided by a UV or IR projector.

Abstract: A floating image display device includes an object, and a light reflecting optical member for reflecting displayed light from the object to a viewer. The light reflecting optical member comprises a structure in which micro mirror units each having first and second light reflecting sides are arranged in matrix. The light reflecting optical member reflects the displayed light by the first and second light reflecting sides at two times to form a mirror image. The light reflecting optical member comprises a first assembly and a second assembly. Each of the first and second assemblies is constructed by arranging a plurality of longitudinal members each having one light reflecting side such that all of the light reflecting sides are oriented in a same direction. The first assembly and the second assembly are laminated onto each other with the light reflecting sides of the first assembly and the light reflecting surfaces of the second assembly intersecting with each other.

Abstract: A 3D projection apparatus comprises a projector, and an angular array of illumination optics coupled to an imager in the projector to create a plurality of views for an 3D image. An array of projection optics is coupled to the imager and a light source is coupled to the angular array of projection optics.

Abstract: A display device includes a flat panel display (object image generator) that generates an object image, a retrotransmissive material (imaging element) that has an element surface tilted with respect to an image generation surface of the object image generator, reflects light emitted from the object image located at one side of the element surface twice, and forms the object image as a real image in a plane-symmetrical location with the element surface in a space at the other side of the element surface, and a diffusion angle limiting film (diffusion angle limiting member) that limits a diffusion angle of light from the object image generator toward the imaging element within a predetermined angle range.

Abstract: Three-dimensional information is presented directly on the surface of a target three-dimensional object without using a display device such as a display monitor and an HUD. Spatially coded light patterns are projected from two projectors on a target object surface. The light projected from the two projectors are added up on the object surface to produce unified color and luminance. On the object surface, light is simply added up, so that a pattern whose color and brightness correspond to distance and height appears. Hence, a distance to an object or a three-dimensional shape of an object can be highlighted by the color and brightness presented on the object for perception by human beings.

Abstract: A multi-projection system having a plurality of projection surfaces onto which images are projected is provided, where the plurality of projection surfaces are disposed on two or more sides not parallel to each other. The multi-projection system provides high three-dimensional images and a high degree of immersion in images and further provides multi-view images, thereby making theater customers feel like they really exist in the space described through the images.

Abstract: The invention is directed to a system and method for determining position and orientation with respect to a display device. In particular, the invention is directed to acquiring an observed image from a display device using a pointing device, and calculating pointing device position and orientation using the acquired observed image and a displayed image on the display device.

Abstract: Methods and systems for displaying three-dimensional (3D) images using motion parallax are described. Images are projected onto a reflector with a rippled or faceted surface. The reflected images are viewed at a plurality of viewing locations and a different image is perceived according to the viewing location.

Abstract: A virtual-sunroof system for providing a virtual sunroof at an interior of a vehicle for viewing by a passenger of the vehicle. The system includes a virtual-sunroof imaging device configured and arranged at the vehicle to collect image information from an environment above the vehicle and create digital image data using the image information. The system also includes a virtual-sunroof projection device configured and arranged in the vehicle to be in communication with the virtual-sunroof imaging device for providing a virtual sunroof display. The virtual sunroof display provided (a) is viewable above a head of the passenger, (b) is formed using the image data, (c) represents accurately at the interior of the vehicle a rendition of the environment above the vehicle, and (d) has a size, shape, and location corresponding generally to a size, shape, and location that an actual conventional-type sunroof would have in the vehicle.

Abstract: An apparatus and method for insuring the proper alignment of a detected vein pattern and a projected vein pattern are disclosed. The apparatus enhances the visual appearance of veins so that an error that can lead to improper patient care or injury can be avoided.

Abstract: A hologram projecting system includes a coherent light source for emitting a reference beam onto a real object; and an image sensor for receiving the reference beam and a scattered beam reflected from the real object, and recording a Fourier image of the real object. Also included is a modulator for receiving the Fourier image. The reference beam is passed through the modulator, and configured to interact with the Fourier image to form a virtual image of the real object. The image sensor includes an n×m pixel array, where n and m are numbers of rows and columns, respectively. The modulator includes an n×m pixel array corresponding to the n×m pixel array of the image sensor. The pixels in the n×m pixel array of the image sensor control transmissivity of light in corresponding pixels of the n×m pixel array of the modulator.

Abstract: To provide a space image forming element realizing higher reflectance and larger area by making aperture ratio and transmittance higher and a method of manufacturing the same, thereby realizing high reflectance and, as a result, formation of an image having high brightness in the air. In a space image forming element of the present invention, a light transmission region is configured by a transparent pattern formed by exposure process using a transparent resist. By forming a metal layer between adjacent transparent patterns, a mirror-face region is formed in the interface between a side wall of the transparent pattern and the metal layer. The metal layer has a two-layer structure. The second metal layer is formed by electroplating using the metal in the first layer as an electrode.

Abstract: A light ray controller has a circular frustum shape and is fitted in a circular hole of a top board such that its large diameter bottom opening faces upward. The light ray controller transmits a light ray while diffusing the light ray in a ridgeline direction and transmits the light ray straightforward without diffusing the light ray in a circumferential direction. A rotation module is provided under the table. One or more scanning projectors are provided on a circumference around an axis of the light ray controller on the rotation base of the rotation module. One or more scanning projectors are rotated by the rotation module. The controller controls one or more scanning projectors being rotated based on three-dimensional shape data stored in a storage.

Abstract: A light field display for generating glasses-free, continuous 3D images is provided. The light field display has a horizontal retro-reflective display screen with a microstructured surface having an array of narrowly-spaced, ninety-degree microstructures, and a vertical diffuser having an array of narrowly-spaced, randomly-patterned microstructures. The vertical diffuser is joined to the horizontal retro-reflective display screen to form a light field display for use in front-projection display systems.

Abstract: An apparatus projecting or displaying images to a viewer. The apparatus or Pepper's ghost system projects or displays an image stream onto a reflective element with a first surface receiving and reflecting a portion of light associated with the image stream to the viewer and a second surface opposite the first surface. The apparatus includes a cleaning assembly including an air supply providing a volume of flowing air and an ionizing mechanism for receiving the flowing air and outputting an ionized air flow. The ionized air flow is directed over the second surface of the reflective element. The reflective element is positioned at a non-vertical display angle. An outlet of the cleaning assembly is positioned adjacent an upper edge of the reflective element, and the ionized air flow is output from nozzles as laminar air flow with a flow rate chosen to mitigate dust collection on the upper second surface.

Abstract: A display device includes a projector, a Fresnel lens converting a projected light from the projector into a nearly parallelized light, a screen with light reflectivity on which an image by the projected light from the projector is generated, and a retrotransmissive material forming another image of an image located on one side of an element plane in a position in a space on the other side of the element plane such that the image and the other image are symmetric with respect to the element plane. The retrotransmissive material forms an image by a light that has obliquely entered the element plane, such that a position from which the light has obliquely entered the element plane and a position in which the image is formed are symmetric with respect to the element plane, and thereby forms a real image of the image on the screen.

Abstract: A 3D display system using a planar sheet of mist or water droplets as a rear projection screen. The system includes a screen generation assembly with a nozzle configured to convert supply water into a screen of water droplets. The screen is substantially planar and has a front surface facing a viewing area and an opposite rear surface. The display system includes a projection assembly projecting 3D content onto the rear surface. The projection assembly includes a first projector projecting left eye images and a second projector projecting right eye images. The 3D content may be provided using polarization or other 3D technology. For example, the first projector includes a first interference filter and the second projector includes a second interference filter differing from the first interference filter, whereby the left and right eye images are presented concurrently on the rear surface with differing bands of the visible color spectrum.

Abstract: A display device includes: a wall defining a viewer-side space; an observed object arranged in an object-side space partitioned off the viewer-side space by a portion of the wall; an imaging optical system of real specular image including a semitransparent substrate with a plane of symmetry for defining the viewer-side space and the object-side space as the portion of the wall to image a real image of the observed object in the viewer-side space with light passing through the substrate; a screen surface having a function of diffuse reflection and provided with the substrate so as to face the viewer-side space; and a projector optical system projecting an image on the screen surface in the viewer-side space.

Abstract: For illuminating an object and generating a light image, e.g. for presentation of the object, an illumination assembly comprises a reflective part for illumination and a diffractive part for generating the light image. A light source such as a LED Light source is used for generating the light.