Abstract: Projector (1) adapted to be installed on a household appliance (26), for projecting visible information onto a projection surface (17) lying outside of said household appliance, the projector comprising a focusing unit (4) that is adapted for focusing a light beam that emanates from a light source (5) onto said projection surface, wherein the focusing unit further comprises at least one fixation element (12) that is adapted to arrange the focusing unit in at least two different focusing positions (13, 13?) within said projector (1).

Abstract: Embodiments of the present invention disclose a method and an apparatus for controlling a conference place environment in video communication, in which, the method for controlling a video communication conference place environment includes: generating illumination feedback information indicating an illumination effect of a video communication conference place, in which the illumination feedback information comprises: a parameter indicating an illumination flaw or a parameter indicating correction of the illumination flaw; and outputting the illumination feedback information, so that a lighting controlling device in the video communication conference place controls lighting in the video communication conference place according to the illumination feedback information. By use of technical solutions provided by the embodiments of the present invention, a conference place environment in video communication is able to be remotely controlled.

Abstract: A projector capable of notifying the user of the fact that the installation angle has been varied when the projector is in operation is provided. The projector includes an angle detector adapted to detect an installation angle of the projector, a keystone distortion correction device adapted to perform a keystone distortion correction of a projection image projected on the projection surface based on the installation angle detected by the angle detector, and a controller adapted to record a variation in the installation angle as installation angle variation information on the storage device in a case in which the angle detector detects the variation when the projector is in operation, and then announce occurrence of the variation in the installation angle in a case in which the installation angle variation information is recorded on the storage device in a power-OFF sequence of the projector.

Abstract: Objects and their placement within a particular scene may be characterized using structured light with no or minimal manual intervention or calibration to the scene. The structured light pattern may be rendered with visible light, yet imperceptible to users, by generating a set of opposing excursions in one or more image properties for durations which are shorter than the integration time of the human eye. A set of assumptions and ongoing testing of those assumptions against physical objects identified within the environment allows characterization of the scene and the objects therein.

Abstract: An augmented reality system may generate an augmented reality environment by projecting images onto various surfaces within a scene. A projection accessory display device (PADD) provides known characteristics for projection, and may be configured to simplify generation and maintenance of the projected image upon the PADD. The PADD may also provide one or more input devices which accept input from a user within the augmented reality environment. The PADD may comprise non-electronic passive components, electronic active components, or a combination thereof.

Abstract: In a projector, a comparator included in a trapezoid correction unit compares the aspect ratio of a rectangular input unit with that of the device area. A projection area determination unit determines an effective projection area that is an area included in the projection area and that is rectangular on the object on the basis of a result of the comparison. The device area determination unit determines an effective device area so that the relation of the effective projection area with the projection area corresponds to the relation of the effective device area with the device area. A geometric transformation unit projects the input image into the effective device area so that the input image is projected without distortion within the effective projection area of the object.

Abstract: A CPU of a projector determines whether or not a correction mode in which the aspect ratio of an input image is changed to correct distortion is set and, if the correction mode is set, determines distortion correction process parameters for changing the aspect ratio of the image to be projected onto a screen to project the image in the form of a rectangular image, and the image converter performs geometric correction on the input image on the basis of the distortion correction process parameters to project the image subjected to distortion correction.

Abstract: An image display apparatus improves usability for a user in the case where a screen image is projected on a ceiling as a screen. The image display apparatus includes: a projection unit capable of vertically changing a projection angle; a projection angle detector detecting the projection angle of the projection unit; and a screen image corrector reversing a projected screen image. The screen image corrector switches the projected screen image from a reversed display to a standard display when the projection angle detected by the projection angle detector is less than or equal to a predetermined value.

Abstract: An augmented reality environment allows interaction between virtual and real objects. Various surfaces within the environment such as walls, tables, countertop, chairs, floor, ceiling, and so forth may be used as projection surfaces. Qualified projection surfaces are determined, and an initial projection surface is selected for use from these. This selection may take into account user preferences, user orientation, types of image to be projected, and so forth. Other qualified projection surfaces may have visual indicators projected thereon, indicating relative suitability for use as a projection surface.

Abstract: A system for presenting an aerial display over an audience of spectators. The system includes a plurality of unmanned aerial vehicles (UAVs) and a plurality of flexible projection screens. Each of the screens is supportable in a display air space by the UAVs. The system includes a ground control system with a processor executing a fleet manager module and with memory storing a different flight plan for each of the UAVs. During operation during a display time period, the UAVs execute the flight plans to move and to position the flexible projection screens within the display air space. The flexible projection screens each may include a mesh body configured to have low wind resistance and to provide a projection surface for reflecting light. The system may include a projector projecting light onto the projection surface of at least one of the flexible projection screens during the display time period.

Abstract: An image projection apparatus includes: an optical image generating unit to generate an optical image based on image data; a projection surface; a projection optical system including a plurality of optical elements and configured to form an projected image, onto a projection surface, coupled with the optical image generated by the optical image generating unit; a projected image shifting unit to shift the projected image by changing a posture of at least one of the plurality of optical elements included in the projection optical system; a tilt sensor to detect a posture of the optical element of which posture is changed by the projected image shifting unit; and a trapezoidal distortion correction unit to correct the optical image generated by the optical image generating unit so as to prevent the trapezoidal distortion of the projected image from occurring based on the detection result of the tilt sensor.

Abstract: A projector for projecting an image light including: a laser light source for emitting a laser beam; a light modulator for modulating the laser beam to generate the image light; a projection portion for projecting the image light; a detector for detecting a fixation degree of the projector; and a controller for controlling the power of the image light on the basis of the fixation degree.

Abstract: An image processing device generates image data of a projection image displayed on a screen having a color obtained by correcting a color of original data representing an image to be displayed so that the projection image has a desired color. The image processing device includes a storage section adapted to store a spectral reflectivity of the screen, a designation section adapted to designate a type of an outside light in an installation environment of the screen, a correction light determination section adapted to determine a correction light using a spectral distribution of the reflected light obtained based on the spectral reflectivity and a spectral distribution of the outside light, and a color correction section adapted to generate the image data using the original data and data of a spectral distribution of the correction light.

Abstract: A method including providing a device that projects a pattern of coherent radiation. The method further includes capturing a reference image of the pattern using an image sensor by projecting the pattern of the coherent radiation onto a reference surface and engendering a relative motion between the reference surface and the image sensor while capturing the reference image. The method also includes storing the reference image in a memory associated with the device.

Abstract: An image processing device for a projector including an image formation section that emits light of an image, and a projection system that projects the emitted light onto a projection surface. The image processing device has a distortion correction technique for images displayed on the projection surface. The image processing device has a target display area determination section that determines, in a display area serving as a reference on the projection surface, based on a current value of a parameter, any of target display areas set for values possibly taken by the parameter within an allowable range to be targeted on a distortion-free image for display on the projection surface; a reference formation area determination section that determines a reference formation area to be formed with a virtual distorted image and a correction application section that generates corrected image data for supply to the image formation section.

Abstract: A projector system includes an image generator and at least one projector for receiving an image from the image generator and projecting the image onto a screen to provide a final projected image. A computer generates correction data based on a calibration process that includes comparing an uncorrected image projected by the at least one projectors with a geometrically correct image. Wherein the at least one projector maps incoming pixel locations from the image generator to corrected pixel locations in the final projected image based on the correction data.

Abstract: A projector includes a light source, a light modulator having an image formation area to form an image, a projection system that projects the image on a display surface, an enclosure that holds at least the light modulator and the projection system, an inclination detection section that detects the inclination of the enclosure with respect to an axis along the optical axis of the projection system, and an image display control section that forms a reference line on the image formation area, the reference line having a predetermined angle with respect to a horizontal line irrespective of the inclination of the enclosure, and the image display control section changes the inclination of the reference line with respect to the image formation area in accordance with the inclination of the enclosure in such a way that the reference line has the predetermined angle with respect to the horizontal line.

Abstract: A projection system and an image processing method thereof are provided. The system includes a projector module, a photography module and a processing module. The projector module projects a first image frame to an object surface. The photography module photographs the object surface to derive a second image frame including the first image frame and an indication point, wherein the indication point is formed by light projected on the object surface by an external device. The processing module analyzes the second image frame to derive coordinate of the indication point in the second image frame, derives coordinate of at least a feature point of the first image frame in the second image frame according to a linear-approximation method, and transforms the coordinates of the indication point in the second image frame to the coordinates in the first image frame by using two-dimensional coordinate transformation equations.

Abstract: Disclosed is an abstracted lighting control system abstracted based on the lighting canvas rather than the mapping of the location of the luminaires or lighting fixtures.

Abstract: A system is disclosed including an image sensor positioned at a first specified angle relative to a projected image plane. The system includes a projector that projects a test pattern onto the projected image plane. A controller is structured to iteratively adjust the projector focus until an image focus index is maximized, where the image focus index is a function of an amplitude of at least one harmonic frequency of a scan of the test pattern. The controller is further structured to determine a skew indicator value and adjust a projector skew adjustment. The controller is further structured to compare a current zoom level to a target zoom level and adjust a projector zoom. The projected image plane is a manufacturing surface, where the projected image is utilized in a manufacturing process.

Abstract: A projection type display apparatus including an oblique projection optical system having a plurality of lenses is disclosed. A lens nearest to a projection screen has a vertical effective image area through which a light flux passes. The lens is arranged at a position not including an optical axis shared by the largest number of lenses among the plurality of lenses. A flat mirror for returning the optical path is arranged between the particular lens and the projection screen at a predetermined angle to the optical axis. An enlarged image obtained by the light flux returned by the flat mirror is formed toward a display screen.

Abstract: In an example, a content projecting system includes a communication module configured to receive an instruction to project content. The content projecting system further includes a projector configured to be affixed to a vehicle. The projector is further configured to project the content onto a projection surface separate from the vehicle.

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 image processing apparatus includes an acquiring unit, a specifying unit, a smoothing unit, and an output unit. The acquiring unit acquires resolutions of first and second projectors and region information regarding projected regions. The specifying unit specifies a boundary between the projected regions, the second projector having higher resolution than the first projector, based on the acquired region information. The smoothing unit executes smoothing on a predetermined region within a projected region based on the acquired resolutions of the first and second projectors such that a pixel, obtained based on a first pixel by executing the smoothing, has been affected according to a second pixel then a third pixel, wherein the first pixel is in the predetermined region, the first and second pixels are arrayed parallel to the specified boundary, and the first and third pixels are arrayed perpendicular to the boundary. The output unit outputs smoothed image data.

Abstract: In at least one embodiment of the disclosure, a projector comprises an imaging unit that photographs a projection surface and acquires a first photographed image during a projection of a featured image at a first time point and acquires a second photographed image during the projection of the featured image at a second time point different from the first time point. An image processing unit generates a reference image based on the first photographed image and generates a comparative image based on the second photographed image. A movement detecting unit detects a change in a relative position of the projector with respect to the projection surface by using the reference image and the comparative image generated by the image processing unit.

Abstract: An image projecting device for projecting an image on a screen is provided. The image projecting device includes a toppling detecting part that detects a toppling of the image projecting device; a toppling direction detecting part that detects a direction in which the image projecting device topples; and a controlling part that controls the image projecting device such that the image projecting device continues to project the image if the toppling detecting part detects the toppling of the image projecting device and the toppling direction detected by the toppling direction detecting part is directed toward the screen, while the image projecting device stops projecting the image if the toppling direction detected by the toppling direction detecting part is directed away from the screen.

Abstract: A projector which projects projection light representing an image onto a projection surface, includes: a focus adjusting unit which shifts focus of the projection light according to operation by a user; an adjustment image projecting unit which projects an adjustment image containing a portion representing a predetermined pattern by the projection light; an imaging unit which shoots the projection surface to which the adjustment image is projected; a specifying unit which specifies a focusing condition of the focus on the projection surface by analyzing image data that is shot by the imaging unit; and a condition indicating unit which displays the specified focusing condition.

Abstract: A projection display device having a projection device projecting an image on a surface, and a position detection function of detecting an object's position between the surface and the projection device, includes: a light source emitting light beams toward the object; a light detector detecting the light beams reflected by the object; and a position detector detecting the object's position in an imaginary plane based on the light detector's result, wherein the light source emits, as the light beams, first through third light beams having first through third intensity distributions, the second intensity distribution having a highest intensity at a position failing to overlap a highest intensity of the first intensity distribution, and the third intensity distribution having a highest intensity portion at a position failing to overlap a straight line connecting the highest intensity portions of the first and second intensity distributions.

Abstract: A retractable optic conditionally redirects an image from a scanning laser projector. The retractable optic may be coupled to a mobile device, a mobile device case, or may be part of an attachment. The retractable optic includes a reflective surface that has a free-form shape defined by a polynomial that is a function of two independent, transverse coordinate variables.

Abstract: It is an object to provide a mobile electronic device with high operability and high safety. The mobile electronic device includes an image projector that projects an image, a control unit that controls the operation of the image projector, a cabinet that holds the image projector and the control unit, and an acceleration sensor that detects an acceleration acting on the cabinet. The object is achieved in such a manner that when an acceleration of a given value or more is detected by the acceleration sensor, the control unit stops emission of light from the image projector or reduces an amount of light emitted from the image projector.

Abstract: A projection type display apparatus including an oblique projection optical system having a plurality of lenses is disclosed. A lens nearest to a projection screen has a vertical effective image area through which a light flux passes. The lens is arranged at a position not including an optical axis shared by the largest number of lenses among the plurality of lenses. A flat mirror for returning the optical path is arranged between the particular lens and the projection screen at a predetermined angle to the optical axis. An enlarged image obtained by the light flux returned by the flat mirror is formed toward a display screen.

Abstract: Provided is a system for adjusting an image of a beam projector using a camera attached remote controller and a method thereof. The system for adjusting images of a beam projector according to the present invention includes: a remote controller photographing test images projected on a screen and detecting pattern images from the photographed test images and generating control information including at least one parameter necessary to adjust the images through the detected pattern images; and a beam projector receiving the control information for adjusting images from the remote controller and adjusting the input image by using parameters included in the received control information and outputting them to the screen. Therefore, the present invention adjusts colors and geometrical shapes of images at a user's viewpoint, thereby making it possible to improve the satisfaction of user and implement the system in various forms.

Abstract: A projector includes an image projection unit that projects an image for left eye and an image for right eye, and a transmitting unit that transmits a synchronizing signal for synchronization with switching between the image for left eye and the image for right eye. The transmitting unit is arranged to adjust a transmission direction of the synchronizing signal.

Abstract: A multi-resolution display system including a desktop display area, a foveal projection device, a sensor, a control unit, and a manually adjustable fixture is provided. The desktop display area displays a central image and a low-resolution image. The control unit determines six-dimensional (6D) orientation information of the foveal projection device relative to the desktop display area according to a projected image detected by the sensor, so as to control the foveal projection device to project the central image within a target area on the desktop display area. The manually adjustable fixture fixes the foveal projection device on top of the desktop display area, and the movement of the manually adjustable fixture has a freedom of up to six dimensions.

Abstract: A projector producing an imaginary input plane with high operability is provided. A projector according to an embodiment projects a VUI screen picture onto a desk, and projects a main projection screen picture to a wall. The projector includes a light receiving element. The light receiving element is arranged in a position where light emitted toward the desk (VUI screen picture) and reflected (or scattered) by an object near the desk enters. The projector calculates a position of the object based on light sensing timing by the light receiving element and light scan positions at various points in time. The projector changes a projected screen picture when it determines that object is simultaneously in contact with a plurality of portions of the VUI screen picture and at least one of contact positions moves.

Abstract: An image display apparatus detects a projection angle of a projection unit that projects a screen image on a screen and is capable of vertically changing the projection angle, and corrects trapezoidal distortion of the screen image according to the projection angle. The image display apparatus changes the amount and direction of trapezoidal distortion correction based on the projection angle. The image display apparatus also determines whether a projection mode is projection upward to a wall or projection to a ceiling and changes the direction of trapezoidal distortion correction for projection upward to the wall and projection to the ceiling. Specifically, for projection upward to the wall, a correction factor is positive and an upper edge portion of the screen image is compressed for correction; and for projection to the ceiling, a correction factor is negative and a lower edge portion of the screen image is compressed for correction.

Abstract: A projection lens for projecting images with high degrees of image offset while limiting the physical offset of the projection lens elements. The projection lens arrangement limits the displacement of the optical elements relative to the optical axis of the display panel and enables a very thin, efficient projector.

Abstract: A projection optical system includes a first optical system, a second optical system, and first and second reflection mirrors. The first and second reflection mirrors are arranged on an optical path between an image forming element and a reflection surface of the second optical system, so that a direction of an optical path of light beams from the second reflection mirror to the reflection surface contains a component of a direction opposite to a predetermined direction from the image forming element to the first optical system, and a projection image of the image forming element on a conjugate surface, a projection of the reflection surface onto the conjugate surface, and a projection of the image forming element onto the conjugate surface are arrayed in this order on the conjugate surface.

Abstract: A display apparatus is provided which, when projecting a video onto a curved surface of an object for display, can realize an undistorted display of the video. The measuring means outputs the distance information representing the distance to the object. Based on the distance information produced by the measuring means, the curved surface contour is detected with high precision. According to at least the detected curved surface contour distortions, pixels of the display image are unevenly rearranged to correct the video information before it is output. This arrangement realizes an undistorted display of video when the video is projected onto the curved surface of the object.

Abstract: According to an embodiment of the present invention a projection facility for projecting image contents onto an inside wall in an open cabin of a transport means, with which any given image contents can be projected onto a curved inside wall in a large-scale manner. The projection facility may comprise, apart from several projectors, several mirrors for deflecting the image contents. This allows image quality to be improved.

Abstract: A reprojection system which allows a projection to be displayed onto a display screen, and reprojected by that display screen. The display is received on the surface that itself displays, and it is then redisplayed on the surface. The redisplay can be at the same size or at a different size as the original projection. Preferably the redisplay is at the same relative intensity but a brighter actual intensity than the original display. The information is can be received and redisplayed in a number of different ways.

Abstract: The present invention provides a projection display device configured to solve a caption dropout problem. CPU 3 determines a correction amount required to correct an image signal for distortion. Scaler 4 corrects the image signal for distortion based on the correction amount. Caption signal processing circuit 5 adjusts the display content of a caption signal based on the correction amount in such a manner that the entire caption indicated by the caption signal is displayed. Display image generation circuit 6 synthesizes the caption signal with the display content thereof adjusted by caption signal processing circuit 5, with the image signal corrected by scaler 4. Projection section 7 projects the synthesized image signal.

Abstract: An elevating mechanism for a projection apparatus includes a bottom cover, a resetting element having a first elastic member, a sliding mount, a screw stud sleeve, a screw stud, and a second elastic member. The sliding mount is disposed on a first side of the bottom cover and leans against the resetting element, and the sliding mount has an opening, at least one slot and a thread structure. The screw stud sleeve has a plurality of engaging teeth engaging within the slot. The screw stud has a thread structure and the thread structure of the screw stud meshes with the thread structure of the sliding mount.

Abstract: In a projection type display apparatus for enabling to display an image, by projecting an image on an image display element(s), enlargedly, upon a nearly horizontal surface, such as, a table, a reflection mirror for reflecting a light from a light source is so disposed that an optical axis of the light source is nearly perpendicular to an optical axis of a lens group having a plural number of lens elements, which are disposed symmetric with respect to the optical axis.

Abstract: A projection-type display apparatus includes a display unit having a first effective area that is the largest usable area for a display, and a geometric distortion corrector configured to correct a geometric distortion by performing, for an input image that is superimposed onto an image of a second effective area that is set in and smaller than the first effective area and is a virtual effective area whose geometric distortion has not yet been corrected, enlargement processing so that a third effective area that is a post-correction virtual effective area can have a portion located in an area between the first effective area and the second effective area and the second effective area can be enlarged.

Abstract: A portable image projection device has a housing with first and second members pivotable between device folded and unfolded positions. First lens optics mounted within the first member are configured for projecting light modulated by a spatial light modulator along an optical axis through a first aperture with a first throw ratio with the device in the folded position. A second lens optics element movably mounted within the first member is configured for selective movement between positions of non-intersection and intersection with the optical axis. The second lens optics element is configured for cooperating with at least part of the first lens optics for projecting the light modulated by the spatial light modulator along the optical axis through a second aperture with a second throw ratio less than the first throw ratio with the device in the unfolded position.

Abstract: A projector includes: an outer housing which forms an external case; and a foot attached to the outer housing and brought into contact with an installation surface when the projector is placed on the installation surface, wherein the foot includes a foot main body which contacts the installation surface, and a rotational member supported rotatably with respect to the outer housing in such a condition that at least a part of the rotational member is exposed to the outside of the outer housing, and the foot main body engages with the rotational member and shifts in the direction along a rotation axis of the rotational member in accordance with rotation of the rotational member.

Abstract: A method corrects trapezoid distortion of projected images using a projector. The projector includes a projection lens, a driver device, an image capturing device, and a storage system. A rectangular picture is read from the storage system and projected on a projection area by the projection lens. The method controls the image capturing device to capture an image from the projection area when the projection lens increases one trapezoid row correction grade, and corrects each trapezoid row of the captured image if the captured image has trapezoid rows. The method further controls the image capturing device to capture an image from the projection area when the projection lens increases one trapezoid column correction grade, and corrects each trapezoid column of the captured image if the captured image has trapezoid columns.

Abstract: An image processing apparatus includes: an image information input unit which receives input of first image information; and a sharpness adjustment unit which divides a screen image corresponding to the first image information into a plurality of areas and performs a sharpness adjustment for each of the divided areas to output second image information.

Abstract: A system and method for correcting optical distortion in an off-axis system is provided. The offset between the center of a display plane and the optical axis of the projection lens system is configured such that the offset is greater than half the vertical dimension of the display plane. In this manner, the distortion, such as a pincushion-type or barrel-type of distortion, is not symmetrical about the horizontal axis. In this scenario, the display plane, the projection lens system, a folding mirror, and/or the spatial light modulator may be tilted such that a keystone effect is induced. This keystone effect may be used to offset the distortion, particularly the pincushion-type or barrel-type of distortions.