Abstract: A dual phosphor wheel projection system is provided. A first dichroic mirror directs blue light from a first blue laser to a second dichroic mirror which directs the blue light to at least one integrator. The first dichroic mirror directs blue light from a second blue laser to a first phosphor/phosphor wheel, which converts the blue light to longer wavelengths that includes red light. The second dichroic mirror directs the red light to the integrator and transmit others of the longer wavelengths. The integrator combines the red light with red light from a red laser. A third dichroic mirror directs the red light from the red laser to the integrator and directs blue light from a third blue laser to a second phosphor/phosphor wheel, which converts the blue light to respective longer wavelengths that includes green light. The third dichroic mirror transmits the green light to the integrator.

Abstract: Devices, systems and methods for distribution of digital content are set forth, wherein a distributed media player is provided comprising a a central playout server having a multiplexed media processing block within a tamper-responsive enclosure, the central playout server having a first input for receiving at least one decryption key and a second input for receiving media data from a content provider in response to which the multiplexed media processing block decrypts the media data using the at least one decryption key and transmits the decrypted media data over a local network to a plurality of devices as an encrypted data stream.

Abstract: A truss system configured as a rectangular frame and a rigging plate is provided. The rectangular frame comprises an interconnected assembly of rectangular tubes. The rigging plate is removably attached to a top surface of the rectangular frame and includes an overhanging portion that overhangs a front side of the rectangular frame. The overhanging portion includes a plurality of attachment apparatuses for suspending at least one video display from the overhanging portion such that the video display(s) overhangs the front side of the rectangular frame.

Abstract: A method and apparatus are provided for calibrating projector alignment using detected image features projected onto a surface, the apparatus comprising a first processor detects features in a single frame of video and a second processor detects features in the corresponding projected image detected by a camera. The second processor matches features of interest in the selected video frame and captured image to correct the projector alignment. The images may be compared using blob detection or corner detection. Unlike prior art ‘off-line’ calibration methods, video frames can be processed continuously (e.g. every frame) or intermittently (e.g. every 10th frame) without interrupting the display of video content.

Abstract: A device, system and method for generating a mapping of projector pixels to camera pixels and/or object positions using alternating patterns is provided. A device controls a projector to project, while a camera acquires frames thereof, in a sequence: alternating patterns; and structured light patterns, the alternating patterns comprising first and second predetermined patterns projected before and/or after the structured light patterns. The device determines, using the frames as coordinated with the alternating patterns, one or more functions relating respective indices of the alternating patterns and the frames, on one or more of a camera pixel-by-pixel basis and a camera scan-line-by-scan-line basis. The device generates, and stores at a memory, a mapping of projector pixels to one or more of camera pixels and positions on an object in the overlapping fields-of-view, based on relating the frames with the structured light patterns using the one or more functions.

Abstract: A fixture for aligning tiled displays is provided. The fixture includes a frame. The fixture further includes a vision system supported by the frame, the vision system configured to image at predefined display corner positions defined by given display dimensions. The fixture further includes an attachment mechanism configured to attach the frame to an array of tiled displays each having the given display dimensions, such that the vision system images positions of the array corresponding to respective corners of a tiled display in the array, and adjacent display corner positions.

Abstract: A device, system and method for enhancing high-contrast and text regions in projected images is provided. A device applies, to an input image: a high-contrast sharpening filter sharpening high-contrast regions producing a high-contrast sharpened image; and a background sharpening filter sharpening other regions of the input producing a background sharpened image, the background sharpening filter applying less sharpening than the high-contrast sharpening filter.

Abstract: A folded integrator rod device is provided comprising: a plurality of integrator rods that are substantially parallel and arranged adjacent to each other in a series in a substantially perpendicular direction to longitudinal axes thereof, pairs of adjacent integrator rods in the series being optically coupled at respective optical coupling ends via total internal reflection, a respective cross-section of each of the plurality of integrator rods, other than a first integrator rod, being larger than the respective cross-section of a previous adjacent integrator rod in the series, the first integrator rod in the series comprising a light entrance face configured to receive light, the light entrance face opposite an optical coupling end of the first integrator rod, and a last integrator rod in the series comprising a light exit face configured to emit the light, the light exit face opposite a respective optical coupling end of the last integrator rod.

Abstract: A device, system and method for modulating light using a phase light modulator (PLM) and a spatial light modulator (SLM). A device determines a target-destination wave, representative of an image, to be formed at an image plane of the PLM using image data, defining the image for projection, and a random seeding of spatial values of a spatially varying phase of the target-destination wave at the image plane, the image plane located between the PLM and SLM, the SLM and PLM arranged such that light reflected from the PLM illuminates the SLM. The device determines a target-source wave to be formed at the PLM, based on: a free space transfer function between the PLM and the image plane; and the target-destination wave. The device determines, from the target-source wave, a phase map for controlling the PLM to form the image. The device controls the PLM using the phase map.

Abstract: Devices, systems and methods for distribution of digital content are provided. At least a security manager of a media block is located within a tamper-responsive enclosure, the security manager and/or the media block bonded to a transcoder in a security marriage based on a cryptographic certificate associated with at least the media block. The media block provides, to the transcoder via a data bridge, encrypted output generated from digital content and based on a first cryptographic key. The transcoder generates respective transcoded outputs associated with one or more tokens used for playback of the respective transcoded outputs at respective end-user devices, the respective transcoded outputs generated from the encrypted output decrypted using a second cryptographic key associated with the first cryptographic key. The respective transcoded outputs are output to the respective end-user devices associated with respective tokens.

Abstract: The specification is directed to an apparatus for combining laser beams having a same polarization. The apparatus includes a prism having a prism body and a plurality of surfaces, and a crystal coupled to the prism, the crystal having a crystal body and formed of a birefringent material. The prism is configured to receive two laser beams each having a same input linear polarization, totally internally reflect the first laser beam off one or more of the plurality of surfaces to change the linear polarization of the first beam to an orthogonal polarization, refract the second laser beam, and output the laser beams parallel to each other, and having orthogonal polarizations. The crystal is configured to receive the laser beams from the prism and combine them to form an orthogonally polarized combined laser beam.

Abstract: A light emitting diode (LED) module and display for hiding physical gaps between modules is provided. An LED module comprises: a board including at least one edge; and an array of LEDs at the board, the array comprising: first LEDs and second LEDs, smaller than the first LEDs, the second LEDs located along the at least one edge of the board, the first and second LEDs all being at a common pitch distance, adjacent sides of adjacent first LEDs separated by a first distance, and the second LEDs being at a second distance from the at least one edge of the board, the second distance smaller than the first distance. The modules may be incorporated into an LED display.

Abstract: A device, system and method for generating updated camera-projector correspondences from a reduced set of test patterns is provided. When a predetermined correspondences between projector points and camera points in an initial relative position of a projector and a camera have been previously determined, a recalibration therebetween may occur by projecting a single test pattern derived from the predetermined correspondences to estimate movement therebetween. When the movement is too great to be estimated by a single test pattern, another test pattern may be projected to determine an estimation function for the movement and in particular, estimate movement of one or more camera points in the projected images due to relative movement of the projector and the camera from the initial relative position to a current relative position.

Abstract: A device, system and method for photometric compensation of images provided by a display device. A display device is controlled to provide colors, the display device configured to provide images according to the colors of the display device. A camera acquires respective images of the colors provided by the display device. A per-pixel correction function for modifying image data used by the display device to provide the images is determined based on: the respective images of each of the colors acquired by the camera corrected into the HVS model using a predetermined color-relationship between the camera and a Human Visual System (HVS) model for the colors of the display device. The display device is controlled to provide the images using the image data as corrected using the per-pixel correction function.

Abstract: A total internal reflection prism, for use with a digital micromirror device (DMD), is provided. The total internal reflection prism comprises: a DMD-facing side; an air gap internal to the TIR prism, the air gap including a total internal reflection (TIR) surface; and an anti-reflective (AR) coating at the TIR surface of the air gap, the AR coating one or more of: optimized for transmission of DMD off-state light through the air gap; and having higher transmission at a DMD off-state angle than at an angle where one or more of illumination light and DMD on-state light are transmitted through the air gap.

Abstract: A system and method for automatic alignment and projection mapping are provided. A projector and at least two cameras are mounted with fields of view that overlap a projection area on a three-dimensional environment.

Abstract: According to the present specification there is provided a system for mounting a plurality of display units, which system comprises a display locating component that is substantially two-dimensional. The display locating component defines a surface having a profile, and the display locating component has a plurality of mounting positions each at a predetermined position on the display locating component, each mounting position configured to receive at least one of the display units. The system also comprises a plurality of adjustable mounts configured to: support the display locating component, and adjust the profile of the display locating component to within a given profile tolerance.

Abstract: An apparatus for removing a display from a tiled display arrangement is provided. The apparatus includes a body, a handle coupled to a first side of the body, and an interface material coupled to the second side of the body. The interface material is configured to temporarily bond to a front surface of the display for removing the display from the tiled display arrangement. The interface material is further configured to selectively de-bond from the front surface of the display. In some implementations, the interface material may be selected to result in a bond with high tensile strength and shear strength, as well as low peel strength.

Abstract: There is provided an an apparatus for reducing coherence of a laser beam, which apparatus comprises a rectangular chamber having a first, second, and third walls each comprising a reflective inner surface, and a fourth wall comprising a beam splitter. The fourth wall is configured to transmit a portion of the laser beam into the chamber to form an input beam incident upon the first wall. The first wall is configured to reflect the input beam onto the second wall, which is configured to reflect the input beam onto the third wall, which is configured to reflect the input beam onto the fourth wall. The fourth wall is configured to reflect a portion of the input beam to form a further input beam incident upon the first wall and to transmit another portion of the input beam out of the chamber to form an output laser beam.

Abstract: A device, system and method for content-adaptive resolution-enhancement is provided. A plurality of subframe streams are generated from a video stream, each of the plurality of subframe streams comprising a lower resolution version of the video stream, pixel-shifted from one another. A plurality of output subframe streams are generated from the plurality of subframe streams in a one-to-one relationship by: applying a plurality of video enhancement filters to each of the plurality of subframe streams, each of the plurality of video enhancement filters for enhancing different features of the video stream; and, combining one or more resulting enhanced subframe streams into a respective output subframe stream based on data in one or more regions of the video stream. One or more projectors are controlled to project the plurality of output subframe streams to combine the plurality of output subframe streams into a higher resolution projected video stream.