Abstract: The invention relates to a method for reducing moire patterns on an autostereoscopic display, which display comprises an array of pixels, each having at least one sub-pixel corresponding to a main color, lined with a view altering layer, such as a lenticular lens stack or parallax barrier, and wherein the display further comprises an eye tracking system for determining the position of the eyes of a viewer relative to the display, which method comprises the steps of: —moire pattern detection by repeating for each main color the steps of: +activating the sub-pixels of all pixels corresponding to the single main color; obtaining moire pattern data by observing the display from a plurality of viewing positions; determining from the obtained moire pattern data the frequency, phase, direction and amplitude of the moire pattern for each of the viewing positions and storing the determined values; —controlling the pixels of the autostereoscopic display to display images, wherein the controlling comprises at least the

Abstract: A process for producing, under a lenticular grating, in an etching zone, by laser etching, using a tool, a first image and at least one second image that may be selectively viewed by varying angle of observation, the tool including a laser, a galvanometric head and a lens, and defining an optical axis and a working zone, which includes steps of: placing the etching zone in a first location included in the working zone and on the periphery of the working zone, and, perpendicularly to the optical axis, etching the first image; and then placing the etching zone in a second location, which is different from the first location, included in the working zone and on the periphery of the working zone, and, perpendicularly to the optical axis, etching the second image.

Abstract: A method for producing a security element formed as a lenticular flip, including a micro-optical layer, a carrier substrate and an image layer, wherein the image layer includes n images for n=1 to i which are visible from an n-th observation angle allocated to the n-th image, and wherein n is at least 1. The images are imaged on a photoresist with parallel light in contact print or by means of projection. After the photoresist is developed, an image layer which includes the i images is present.

Abstract: The performance of photosensitive devices over time may be tested by configuring a photosensitive device test system that includes a light source plate that exposes photosensitive devices within a container to a specified light intensity. The light intensity may be adjusted by a programmable power source according to one or more thresholds. A test may last for a set duration with performance measurements being taken at predetermined intervals throughout the duration. Feedback from the photosensitive device test system may be recorded to determine whether to increase light intensity, to stop testing, to continue testing, and whether one or more environmental conditions should be altered. Measurements may be sent to a client for analysis and display to a user.

Abstract: A method for inserting information into a 3D structure and recognizing information in a non-destructive method is provided. A 3D printing method according to an exemplary embodiment of the present invention includes: generating a tag having specific information recorded thereon to be inserted into a 3D structure, and printing the tag on the inside of the 3D structure while printing the 3D structure. Accordingly, since the tag having information recorded thereon is printed on the inside of the 3D structure when the 3D structure is printed by a 3D printer, it is impossible to forge/falsify information.

Abstract: An image capture apparatus that can aid in the generation of desired three-dimensional data, and a control method for the same are provided. Based on parallax images obtained by using an image sensor, three-dimensional information of a subject included in the parallax images is obtained. A comparison is made between a resolution of the three-dimensional information set and a resolution of a predetermined formative apparatus, and whether or not recapturing is required is judged.

Abstract: A positioning system for detecting a spatial position of a laying head of a device for automatically laying reinforcing fiber strips in relation to a base on which the reinforcing fiber strips can be laid by the laying head includes at least two laser lines which extend substantially in parallel at a spacing A from one another and substantially transversely to a laying direction can be projected on the laid reinforcing fiber strips by at least one laser source. The elevation profiles of the projected laser lines which occur on account of an irregular surface of the laid reinforcing fiber strips are able to be recorded by a camera and supplied to an evaluation unit.

Abstract: A three-dimensional printer includes a laser line scanner and hardware to rotate the scanner relative to an object on a build platform. In this configuration, three-dimensional surface data can be obtained from the object, e.g., for use as an input to subsequent processing steps such as the generation of tool instructions to fabricate a three-dimensional copy of the object, or various surfaces thereof.

Abstract: In one embodiment, an image display apparatus includes: a projecting portion which projects in a second direction orthogonal to a first direction a first beam having a disparity image component which forms an image having a disparity in the first direction; a first deflecting portion which deflects the first beam in the second direction in a first plane having an axis in the first direction and an axis in the second direction, and obtains a second beam; and a second deflecting portion which further deflects in the first plane the second beam in a same direction as the second direction in which the first deflecting portion deflects the first beam, obtains a third beam and projects the third beam.

Abstract: According to one embodiment, the system for inspecting a cell substrate is provided. The inspection system includes: a signal generator transmitting to a cell substrate a display signal causing the cell substrate to display a test image; an imaging apparatus capturing the test image displayed on the cell substrate; a parallax image generator arranging the set of parallax image information of the captured test image for each parallax image to generate a parallax image prediction of parallax image which is obtained when the cell substrate is bonded to the lenticular lens; and an interface apparatus displaying the parallax image predictions.

Abstract: An alignment method applied to a barrier-type 3D display includes providing a 3D alignment device at least comprising an image capture tool and an alignment shift analysis software; disposing a display panel with a barrier laminated thereon in the 3D alignment device; presenting a display and a barrier alignment check patterns on the display panel and the barrier; the image capture tool capturing an image of a moiré pattern generated by the display and the barrier alignment check patterns; analyzing the image of the moiré pattern by the alignment shift analysis software, and determining at least three measurement points of the image of the moiré pattern; calculating position shift for each measurement point and rotation angle between display panel and barrier by the alignment shift analysis software; and adjusting corresponding position between display panel and barrier if the calculation results exceed predetermined alignment errors.

Abstract: An image processing method includes: acquiring a first image and second image with a parallax, calculating a parallax indicating a shift amount of a corresponding pixel of the second image with respect to each pixel of the first image, deciding an image processing coefficient to perform edge emphasis or edge correction based on the parallax with respect to every image processing target pixel of the first image and the second image, and performing image processing on the first image and the second image using the image processing coefficient.

Abstract: A method and system for producing a flat three-dimensional image utilizing acoustic transfer assist. An image is first developed in image bearing material onto the image bearing surface of a rendering device. A three-dimensional plastic sheet can be provided to the transfer section of the rendering device. Transfer of the image can then be accomplished as the plastic sheet comes into contact with the image-bearing surface. The transfer is facilitated by acoustic transfer assist technology associated with the rendering device.

Abstract: A stereoscopic image display apparatus according an embodiment includes: an elemental image display unit having a display face in which pixels having sub-pixels are arranged in a matrix form, the display face being divided into a plurality of elemental images for display; and an optical plate provided on a viewer side of the elemental image display unit, the optical plate having a plurality of lenses arranged periodically with respect to the display face to be respectively associated with the plurality of elemental images, each of the lenses controlling light rays from the pixels which display an associated elemental image. In each lens, the sub-pixels which display an elemental image associated with the lens differing in isolation degree between adjacent sub-pixels depending upon whether a location is in a central portion of the lens or in a peripheral portion of the lens.

Abstract: A digital stereo imaging photosensitive device for a grating and a photosensitive material, includes: a photosensitive platform (8), connected with a base via a platform moving mechanism; a compressing mechanism (7) mounted on the photosensitive platform, wherein a grating (5) is positioned on the compressing mechanism; a LCD displayer (2) suspending above the photosensitive platform; and a lens suspending above the photosensitive platform via a lens moving mechanism, wherein the lens is under the LCD displayer. And a method for digital stereo projection is also provided.

Abstract: A device for mounting a grating and a photosensitive material for stereoprojection imaging, includes: an enlarging-printing platform; and an exposure head positioned above the enlarging-printing platform; wherein the enlarging-printing platform is a chamber structure, and has a plurality of suction holes provided on an upper surface thereof and at least one exhaust port provided on a side connected with an exhaust device; the device for mounting the grating and the photosensitive material for stereoprojection imaging further includes a compressing mechanism connected with the upper surface. The device for mounting the grating and the photosensitive material provides a real-time composite device for developing stereopictures. With the mounting device, the grating and photosensitive photographic paper need either being combined beforehand, or being developed with the grating after exposure.

Abstract: A stereoscopic image printing device includes an actuating unit for moving a grating structure, and a positioning module. The positioning module includes a plurality of shelters, a planar light source for emitting light to pass through the grating structure and an interval between the adjacent shelters, and a photosensitive component for receiving the light passing through the grating structure and the interval between the adjacent shelters, so as to generate a corresponding optical intensity signal. The printing device further includes a controller coupled to the actuating unit and the photosensitive component for controlling the actuating unit to move the grating structure according to the optical intensity signal generated by the photosensitive component.

Abstract: A stereoscopic image printing device includes an actuating unit for moving a grating structure, a print head for transferring a plurality of target image data onto corresponding positions of the grating structure, a first detecting module, a second detecting module, and a controller coupled to the print head, a first photosensitive component of the first detecting module, and a second photosensitive component of the second detecting module for controlling the print head to print some of the plurality of target image data onto the grating structure according to comparison between first optical intensity signal generated by the first detecting module and second optical intensity signal generated by the second detecting module.

Abstract: A method of producing a digital stereoscopic image using a processor is disclosed. The method includes providing a plurality of digital image files which include digital images and the time of capture of each image and using time of capture to identify candidate pairs of images. The method further includes using the processor to analyze the image content of the candidate pairs of images to identify at least one image pair that can be used to produce a stereoscopic image; and using an identified image pair to produce the digital stereoscopic image.

Abstract: A method for stereoscopic image printing according to one aspect of the presently disclosed subject matter includes acquiring information on distribution of parallax of a multi-viewpoint image with two or more viewpoints; determining, based on the information on the distribution of parallax, a number of viewpoints of a stereoscopic image which is printed on a lenticular lens sheet; generating, if the number of viewpoints of the multi-viewpoint image is smaller than the determined number of viewpoints, a shortfall viewpoint image based on the inputted multi-viewpoint image; and printing a stereoscopic image which is made of the multi-viewpoint image and the generated viewpoint image.

Abstract: Provided are a method and apparatus for processing a graphic stream. The method may include determining whether a graphic picture is reproducible as a three-dimensional (3D) image by assigning different depth values according to graphic objects or by assigning the same depth value to the graphic picture, using 3D capability information.

Abstract: A method and system for producing a flat three-dimensional image utilizing acoustic transfer assist. An image is first developed in image bearing material onto the image bearing surface of a rendering device. A three-dimensional plastic sheet can be provided to the transfer section of the rendering device. Transfer of the image can then be accomplished as the plastic sheet comes into contact with the image-bearing surface. The transfer is facilitated by acoustic transfer assist technology associated with the rendering device.

Abstract: Disclosed is a control method for stereolithography structure, including the steps of: providing a stereolithography structure including a main circuit system, an interface system, and a USB transmission interface.

Abstract: A recording medium includes lenticules and a guided portion guided by a guide portion which is provided in a supporter for supporting the recording medium provided on a recording apparatus carrying out a recording on the recording medium, so that the recording medium is guided in a predetermined conveying direction.

Abstract: Stereoscopic device including an image directing assembly, an image differentiator and an image detector, the image directing assembly having a first light inlet for receiving a first image and a second light inlet for receiving a second image, the first light inlet being spaced apart from the second light inlet, the image differentiator differentiating between the first image and the second image, wherein the image directing assembly directs the first image to the image detector via a common path, and wherein the image directing assembly directs the second image to the image detector via the common path.

Abstract: A stereoscopic image printing device includes an actuating unit for moving a grating structure, a print head for transferring a plurality of target image data onto corresponding positions of the grating structure, a first detecting module, a second detecting module, and a controller coupled to the print head, a first photosensitive component of the first detecting module, and a second photosensitive component of the second detecting module for controlling the print head to print some of the plurality of target image data onto the grating structure according to comparison between first optical intensity signal generated by the first detecting module and second optical intensity signal generated by the second detecting module.

Abstract: A stereoscopic image printing device includes an actuating unit for moving a grating structure, and a positioning module. The positioning module includes a plurality of shelters, a planar light source for emitting light to pass through the grating structure and an interval between the adjacent shelters, and a photosensitive component for receiving the light passing through the grating structure and the interval between the adjacent shelters, so as to generate a corresponding optical intensity signal. The printing device further includes a controller coupled to the actuating unit and the photosensitive component for controlling the actuating unit to move the grating structure according to the optical intensity signal generated by the photosensitive component.

Abstract: Stereoscopic device including an image directing assembly, an image differentiator and an image detector, the image directing assembly having a first light inlet for receiving a first image and a second light inlet for receiving a second image, the first light inlet being spaced apart from the second light inlet, the image differentiator differentiating between the first image and the second image, wherein the image directing assembly directs the first image to the image detector via a common path, and wherein the image directing assembly directs the second image to the image detector via the common path.

Abstract: Stereoscopic device including an image directing assembly, an image differentiator and an image detector, the image directing assembly having a first light inlet for receiving a first image and a second light inlet for receiving a second image, the first light inlet being spaced apart from the second light inlet, the image differentiator differentiating between the first image and the second image, wherein the image directing assembly directs the first image to the image detector via a common path, and wherein the image directing assembly directs the second image to the image detector via the common path.

Abstract: Tilt angle and tilt direction of lenticular lenses are detected precisely to correct attitude of a transported lenticular sheet with high accuracy. At least first to third lens sensors are disposed in a transport track of the lenticular sheet, aligned in a main scan direction and spaced at uneven intervals. Each lens sensor has a light-emitting element and a light-receiving element arranged to sandwich the lenticular sheet and output a detection signal corresponding to concavities and convexities of the lenticular lenses. During the transport of the lenticular sheet, the detection signals output from the first to third lens sensors are analyzed to detect the tilt direction and the tilt angle of the lenticular lenses accurately. Based on the tilt direction and the tilt angle, the attitude of the lenticular sheet is corrected in advance, preventing the lenticular sheet from skewing while stripe images are being recorded thereon.

Abstract: An acquisition system for obtaining images of a fingerprint from a finger, or marks of another kind of target. The system may have two or more cameras positioned at different directions towards the target. Each camera may have a light source for illuminating the target from a direction different than that of the respective camera. The cameras may take sequences of images of the target at different focuses as the whole target might not be in focus in one image due to a depth of focus being less than the depth of the target. Portions of the images showing the target in focus may be cut from the images and stitched together to result in an image revealing virtually the whole target in focus. This target may be a fingerprint to be rolled out on or in a two dimensional medium for analysis, identification, storage, and so on.

Abstract: An object of the present invention is to provide a three-dimensional image recording medium in which three-dimensional information of a recorded material is recorded precisely and observed more naturally. The linear images of plural parallel-projection images from different directions A to E divided into rectangles are recorded sequentially to divisional recording units of the linear image recording units M1 to M8 and in addition, the linear images of divided parallel-projection images from the same direction are recorded sequentially to each divisional recording unit arranged in the same position relative to a lens width direction of each lenticular lens unit L1 to L8 corresponding to each linear image recording unit M1 to M8 to thereby reproduce a three-dimensional image by combining the linear images of plural parallel-projection images.

Abstract: The present invention relates to a sheet enabling to form dynamic three-dimensional images and a device for preparing thereof. The sheet comprises a base layer (1), a transparent protective layer (2), a reflective layer (3), and pixel points (4) that can form images. The transparent protective layer (2) is disposed at one side of the base layer (1), the pixel points (4) are embedded in the transparent protective layer (2). The pixel points (4) consist of microlenses (401) tightly closed together. The reflective layer (3) is disposed downbently at a lower part of the microlenses (401), wherein picture-text is recorded in the reflective layer (3). There is an altitude difference H between horizontal positions of two adjacent pixel points (4). Microlenses (401) in any one of pixel point have the same curvature radius, and curvature radius of microlenses (401) in two adjacent pixel points (4) have a difference of 1 to 70 ?m.

Abstract: A lenticular sheet includes an array of lenticules and a back surface located opposite to the lenticules. In a printer, a printhead prints plural interlaced images on the back surface, the interlaced images being formed by interlacing two original images having disparity. A line sensor has plural sensor elements arranged in an array direction of the lenticules, and receives detection light condensed by a cylindrical lens, to output a detection signal for representing a vertex point of the lenticules. A transport device transports the lenticular sheet in the array direction, and adjusts an orientation of the lenticular sheet during transport to remove offset of the lenticular sheet from the array direction. A controller controls the transport device according to the detection signal, sets a longitudinal direction of the lenticules perpendicular to the array direction by adjusting the orientation, and drives the printhead for printing.

Abstract: An object of the present invention is to provide a three-dimensional image recording medium in which three-dimensional information of a recorded material is recorded precisely and observed more naturally. The linear images of plural parallel-projection images from different directions A to E divided into rectangles are recorded sequentially to divisional recording units of the linear image recording units M1 to M8 and in addition, the linear images of divided parallel-projection images from the same direction are recorded sequentially to each divisional recording unit arranged in the same position relative to a lens width direction of each lenticular lens unit L1 to L8 corresponding to each linear image recording unit M1 to M8 to thereby reproduce a three-dimensional image by combining the linear images of plural parallel-projection images.

Abstract: A method for replicating production of a 3D parallax barrier is capable of transfer-printing a 3D parallax barrier pattern on a planar transparent substrate mainly with a glass photo mask having the 3D parallax barrier pattern through processes of photo resistor coating, exposure, and development by using a photolithography technology, thereby achieving the purpose of replicating production.

Abstract: A method and system are disclosed for producing a color-corrected stereoscopic film for three-dimensional (3D) projection. Based on color measurements performed with different optical configurations of a projection system, at least one dye density adjustment can be determined for reducing discoloration in projected stereoscopic images that arises from one or more optical components in the projection system.

Abstract: Stereoscopic device including an image directing assembly, an image differentiator and an image detector, the image directing assembly having a first light inlet for receiving a first image and a second light inlet for receiving a second image, the first light inlet being spaced apart from the second light inlet, the image differentiator differentiating between the first image and the second image, wherein the image directing assembly directs the first image to the image detector via a common path, and wherein the image directing assembly directs the second image to the image detector via the common path.

Abstract: Provided is a printing apparatus for performing printing on a lens sheet on which a plurality of lenses is arranged with a longitudinal direction thereof in one direction, and a print image corresponding to a plurality of parallaxes is formed on one surface thereof. A test pattern configured to provide different visibility to a user's left and right eyes is formed on any portion of the lens sheet, with a longitudinal direction thereof in a direction crossing the one direction. The printing apparatus includes position correction amount-calculation means for calculating a position correction amount in order to form the print image on the lens sheet based on the visibility of the test pattern input by a user, and a print execution means for executing printing for the forming of the print image based on combined image data created from a plurality of original image data and the position correction amount so that the position correction amount is reflected in the print image.

Abstract: A three dimensional viewing assembly includes a first display, a second display, and a beamsplitter. The first display is for displaying a first image. The second display is for displaying a second image. The beamsplitter is disposed at least partially between the first display and the second display, and is configured to receive, and to optically overlay, the first and second images. The beamsplitter comprises a first surface, a second surface, and a mirror. The first surface at least partially faces the first display, and the second surface at least partially faces the second display. The mirror is disposed between the first surface and the second surface.

Abstract: A system for forming an integral image includes an optics system spaced between an active digital mask and the first side of an integral lens array, where the integral lens array has a light sensitive material layer spaced relative to the second side of the integral lens array. The active digital mask may provide the image directly to the integral lens array, or the image may be focused on a projection screen placed relative to the integral lens array. The active digital mask can vary the provided image to create a three dimensional image and to account for distortions caused by the optics system or curvature in the integral lens array and/or the light sensitive material. Edible materials may be used for the integral lens array and light sensitive material.

Abstract: An autostereoscopic multi-user display comprising a sweet-spot unit which is directionally controlled by a tracking and image control device (160), wherein an illumination matrix (120) is provided with separately activatable illuminating elements (11 . . . 56), in addition to an imaging device used to alternatingly image active illuminating elements, for making expanded sweet spots (SR1/SR2) visible to various eye positions (EL1/ER1, EL2/ER2) of viewers observing alternating images or a stereoscopic image sequence on a transmissive image matrix (140) with the aid of directed beams (B1R . . . B5L).

Abstract: The optical system of the invention is comprised of a monolithic microlens array assembly that consists of two groups of microlenses sub-assemblies having different pitches between the adjacent lenses. A ratio between the pitches of sub-assemblies is determined by a predetermined relationship between the parameters of the optical system so that the microlenses of the first sub-assembly create a plurality of individual intermediate images arranged side-by-side in a common intermediate plane that are transferred by the microlenses of the second sub-assembly to the final image plane in the form of a plurality of identical and accurately registered images interposed onto each other. This is achieved due to the aforementioned ratio between the pitches.

Abstract: A parallax barrier is made by developing a film exposed through a mask having elongate opaque regions interleaved with transparent regions. The film is exposed by a light source through the mask while the mask is moved so as to vary the exposure of each region of the film for forming the parallax barrier slit edges. Alternatively, the film or the light source may be moved during exposure. It is thus possible to make soft edge barriers, for example for use in autostereoscopic 3D displays.

Abstract: A set of enhanced apparatuses and a computer integrated processes are provided for creating large scale 3D integral photography images. A large number of mini projectors in a grid on top of each other and beside each other, are exposed individually with a computer calculated reverse (pseudoscopic) perspective image. The curved photo layer inside the projectors obtains sharp high resolution images through the achromatic behavior of the lens system. A guided back light system directs the light from the back through the diaphragm apertures.

Abstract: A method of producing Lenticular images and a system for carrying out the method, in which photosensitive material is placed in contact with a Lenticular sheet and exposed through the Lenticular sheet lenses. An additional lens-array is placed between the optical imaging system and the Lenticular sheet, with lenses having power only in one direction.

Abstract: A method of sensing the pitch or relative location of a lenticular lens on a sheet of transparent lenticular material of the type having a repeating pattern of cylindrical lenses on one side and a flat opposite side, comprising the steps of: forming a beam of light; focusing the beam of light into a spot smaller than the pitch of the cylindrical lenses onto the lenticular material; moving the lenticular material relative to the beam in a direction perpendicular to the axes of the cylindrical lenses to modulate the angle of reflection or refraction of the beam of light; and sensing the position of the modulated beam of light to determine the pitch or relative location of lenticular material to the focused spot.

Abstract: A method of sensing the pitch or relative location of a lenticular lens on a sheet of transparent lenticular material of the type having a repeating pattern of cylindrical lenses on one side and a flat opposite side, comprising the steps of: forming a beam of light; focusing the beam of light into a spot smaller than the pitch of the cylindrical lenses onto the lenticular material; moving the lenticular material relative to the beam in a direction perpendicular to the axes of the cylindrical lenses to modulate the angle of reflection or refraction of the beam of light; and sensing the position of the modulated beam of light to determine the pitch or relative location of lenticular material to the focused spot.

Abstract: A process for adjusting the content of a digitized image file used in printing an interlaced image on a lenticular lens material to substantially eliminate ghosting effects which might otherwise occur when the printed image is viewed by an observer. A pixel address within the image file is selected, as is a preselected number of pixel addresses adjacent the selected address on both sides thereof. Percent color values contained at each of the addresses within the resulting range of addresses are added together and the result divided by the total number of addresses to compute an average color percent value. The percent color value at the selected address is compared with the computed average and is changed by a predetermined amount if the percent color value is greater or less than the computed average. The revised percent color value is then stored at the selected address. The process is repeated for each pixel address within the file.

Abstract: An image forming film includes a substrate having a non-light-absorbing surface. At least two light-transmitting layers each comprising a pattern, are stacked over each other and formed on the non-light-absorbing surface. A light-transmitting surface sheet is attached to the stack of the layers. The surface sheet has an outer surface on which a plurality of raised, substantially parallel strips are formed, each strip having a side face for directing light from the patterns of the layers toward different angles.