33 results about "Stereo display" patented technology

An autostereoscopic display is calibrated prior to use. During calibration, processing circuitry can receive far-field images of a calibration pattern captured at locations over an operating area of the autostereoscopic display. The processing circuitry can determine, for each far-field image, location-dependent intermediate quantities such as a location-dependent far-field corner phase center value, a location-dependent separation between the display panel and the parallax generating optics, and a location-dependent refractive index of a material disposed between the display panel and the parallax generating optics. The processing circuitry can determine, from the location-dependent intermediate quantities and the locations, physical parameter values that quantify inter-part variations. The physical parameter values can include a lateral misalignment between the display panel and the parallax generating optics, an angular misalignment between the display panel and the parallax generating optics, and a pitch of the parallax generating optics.

The invention relates to a method for preparing a lenticular lens on a conductive surface of a transparent support, the method comprising imprinting a curable resin on the support with a lenticular mold, followed by curing the resin and removing the mold to yield a lenticular device comprising the transparent support and a lenticular lens provided thereon. A small part of the curable resin comprises conductive particles, which after curing provide the lenticular lens with a conductive path between the conductive support surface and the lenticular lens surface. The conductive support surface is in this way easily and directly electrically accessible as a planar electrode, when the lenticular device is incorporated in an electrically switchable liquid crystal cell. Accordingly, the invention further relates to such lenticular device, to a liquid crystal cell comprising such lenticular device, and to an autostereoscopic display device comprising such liquid crystal cell.

The invention discloses a ship electronic clinometer with a naked eye 3D stereo display function, and relates to the technical field of electronic clinometers, the ship electronic clinometer comprises an electronic clinometer body, the bottom of the electronic clinometer body is provided with a base, the electronic clinometer body comprises a power supply module, a data processing module, a sensor assembly, an edge calculation unit and a naked eye 3D display module, the edge calculation unit processes the dynamic change of the ship attitude data in real time to ensure the dynamic real-time presentation of the ship inclination process; a supporting column box is fixedly installed on the upper surface of the rear side of the base, a supporting frame is arranged on the front side of the supporting column box in a lifting moving mode, a positioning ball is arranged on the front side of the supporting frame, and an image collecting camera is arranged on the front side of the positioning ball. According to the ship electronic clinometer with the naked eye 3D stereoscopic display function, the problems that a traditional electronic clinometer is low in information visualization degree and limited in viewing angle are solved, the attitude data transmission efficiency is improved, the environment adaptability is high, and accurate support is provided for sailors to make driving decisions.

The invention provides an electronic device and a stereoscopic image display method thereof. The method is suitable for an electronic device comprising a stereoscopic display and comprises the following steps. A display frame including a streaming image is acquired. A specific style frame surrounding the streaming image in the display image frame is detected by performing straight line detection. In response to the specific style frame appearing in the display image frame, a stereoscopic format image is generated according to the display image frame and the specific style frame. In response to the specific style frame appearing in the display image frame, the stereoscopic display is controlled to operate in a stereoscopic display mode to display the stereoscopic format image. Therefore, the display image frame can be accurately detected to comprise the streaming image conforming to the three-dimensional image format, so that the three-dimensional display can be controlled to automatically provide a three-dimensional display function.

A system (100, 400) comprising a tracker (102), at least one autostereoscopic display (104), and at least one periscope (106, 402, 404, 406). The periscope comprises a periscope body having first and second ends (106A, 106B), a first reflective interface (108) arranged at the first end and on an optical path (110) of a real-world light field of a real-world environment, and a second reflective interface (114) arranged at the second end and on the optical path of the real-world light field. The second reflective interface is positioned to receive the real-world light field reflected from the first reflective interface and is oriented toward at least one user (408) during use. One of the first reflective interface and the second reflective interface is semi-transparent and arranged on an optical path (116, 202, 300) of the at least one autostereoscopic display (104). At least one processor (118) is configured to determine relative positions of eyes of the user, generate or retrieve a light field image, and display the image.

The invention discloses a stereoscopic display and an operation method thereof. The stereoscopic display comprises a display panel, a plurality of parallax generating structures and a rotating mechanism. The display panel includes a plurality of display pixels arranged along a pixel arrangement direction. The plurality of parallax generating structures are arranged on the display surface of the display panel along the structure arrangement direction and extend in the structure extension direction. The pixel arrangement direction intersects the structure arrangement direction. The stereoscopic display has an optimal viewing distance relative to a display surface when a pixel arrangement direction is parallel to a binocular arrangement direction of a user. The rotating mechanism drives the display panel and the parallax generating structures to rotate by an angle relative to the arrangement direction of the two eyes around the rotating shaft according to the viewing distance of a user relative to the display surface. The axial direction of the rotating shaft is perpendicular to the structure arrangement direction, the structure extension direction and the pixel arrangement direction. The viewing distance is not equal to the optimal viewing distance.

The invention relates to a method for reducing disclinations in an autostereoscopic display device that is electrically switchable between a 2D view mode and a 3D view mode, wherein the method comprises varying the angle between two directions of liquid crystal alignment in the lenticular device, to thereby determine an angle that causes a minimal or an acceptable occurrence of disclinations after switching between both view modes. The invention further relates to an autostereoscopic display device that exhibits reduced disclinations when switching between both view modes.

The invention discloses a method and a system for characterizing the influence of stereoscopic display binocular hue difference on a perception effect. The method comprises the following steps: firstly, carrying out physical parameter calibration on the stereoscopic display device to obtain a gamma value and a color coordinate; then, the original image is converted to an LCH space through gamma correction and a color space, a difference value delta H is introduced by adjusting a hue component H, and a test image sequence is generated; carrying out a visual perception experiment to obtain subjective scores of a subject on the comfort level, the stereoscopic impression and the display quality of the image; and finally, performing Gaussian function fitting on the delta H and the average score value, and establishing a quantitative relation model so as to determine an appropriate range of binocular hue difference. The method overcomes the defect that the prior art only depends on physical parameters and neglects the visual perception characteristics of human eyes, realizes objective quantitative evaluation of the stereoscopic display binocular hue difference perception effect, and can be used for guiding the design and quality control of stereoscopic display products.

A first image and a second image to be directed toward a first eye and a second eye, respectively, are generated or retrieved. For a given first segment of the first image presenting at least a part of a virtual object, an amount of crosstalk toward the first eye is determined based on at least the second image. A given second segment of the second image that also presents at least said part of the virtual object is determined. Intensity values of pixels in the given second segment of the second image are adjusted, based on the amount of crosstalk determined for the given first segment of the first image. An autostereoscopic image is then generated using the first image and the second image, and displayed via an autostereoscopic display.

The information processing apparatus includes a control unit. The control unit acquires an imaging device image from an imaging device, the position of which is fixed with respect to the stereoscopic display. The control unit executes an estimation process for estimating a position and a posture of a face of a user viewing the stereoscopic display based on the imaging device image. The control unit controls the stereoscopic display so as to display a stereoscopic image in accordance with changes in the position and posture of the user's face. The control unit changes the update frequency of the stereoscopic display when the update frequency of the estimation process changes.

The invention relates to a 2D / 3D switchable autostereoscopic display device which is optimized in that it exhibits reduced moire. This is performed by providing a nanorelief structure on a surface that is in contact with a liquid crystal switching medium. This results in scattering, which on its turn reduces moire. The amount of scattering can be influenced by varying an electric field that is applied to the liquid crystal medium. The invention further relates to a method for reducing moire in an autostereoscopic display device and to a method for manufacturing an autostereoscopic display device.

A method of determining binocular alignment includes measuring an uncoupling phoria of a patient at a first simulated distance by: presenting a fusible image including a target having a first disparity corresponding to the first simulated distance using a stereoscopic display of a head-mounted device at a screen distance; presenting the target having the first disparity for a first eye and presenting an uncoupling null target image for a second eye to present a non-fusible image, and measuring an uncoupling phoria in response to the presentation of the non-fusible image using an eye tracker of the head-mounted device; and including determining a vergence of the patient at the first simulated distance by: presenting a fusible image having the first disparity corrected for the measured uncoupling phoria for the first and second eyes; measuring a coupling phoria in response to the presentation of the fusible image; and determining the vergence as a combination of the uncoupling phoria and the coupling phoria.

The invention discloses a full-screen full-visual-area naked eye 3D display gray scale crosstalk detection device and method, the device comprises a mobile platform and a detection module, the detection module is arranged on the mobile platform, and a transverse stroke and a longitudinal stroke are provided for the detection module on the mobile platform; the detection module is used for acquiring a brightness value of a test point at a viewpoint position, the method comprises the following steps: playing test content on a to-be-detected stereoscopic display, the test content comprises left eye pictures and right eye pictures which are alternately displayed, and setting gray scales of multiple groups of left eye pictures and gray scales of right eye pictures according to a preset gray scale combination; for the left eye picture and the right eye picture of each group of gray scale combination, respectively recording the brightness value of the test point at the viewpoint position to obtain a test brightness value; crosstalk of the current gray scale combination of the current test point is obtained according to the test brightness value; and selecting another test point until crosstalk of all gray scale combinations of the full-screen full-view area is obtained. According to the invention, the automatic naked eye 3D display gray scale crosstalk test can be realized.

1. The name of the design product: stage lamp (three-dimensional display lamp). 2. The use of the design product: the design product is used for stage lighting and displaying three-dimensional images. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: in perspective view 1 of the design product, part A is transparent material, the front view, rear view, left view, right view, top view, bottom view and perspective view 1 adopt opaque drawing method, perspective view 2 and use state reference diagram adopt transparent drawing method, part B enlarged view is the enlarged view of part B in perspective view 2; the design product is a slender object, the front view, rear view, left view, right view and perspective view 1 adopt omitted drawing method.

An autostereoscopic display is calibrated prior to use. During calibration, processing circuitry can receive images of at least some of a calibration pattern displayed on the autostereoscopic display, captured within a field of view of the autostereoscopic display. The images can correspond to light patterns at image positions spaced apart from the autostereoscopic display. The calibration pattern can optionally comprise two different calibration sub-patterns of different colours. The processing circuitry can determine, from the images, a plurality of physical parameter values quantifying component-to-component variations and misalignments of components of the autostereoscopic display. The physical parameter values can include a single value for the pitch of the parallax generating optics and a single value for rotational misalignment between the display panel and the parallax generating optics. The processing circuitry can store data representing the physical parameter values.

The invention provides a stereoscopic image display system and a stereoscopic image display method thereof. The method is applicable to a stereoscopic image display system including a first stereoscopic display and includes the following steps. And obtaining a display image frame. A plurality of image regions are identified from the display frame, wherein the plurality of image regions include a two-dimensional content image region and a three-dimensional content image region. The drawing priority of each image region is determined according to the region characteristics of each image region. According to the drawing priority of each image area, sequentially drawing the image content of each image area in a first three-dimensional format image comprising a first left-eye image and a first right-eye image; a first stereoscopic format image is displayed by a first stereoscopic display operating in a stereoscopic display mode. Therefore, the stereoscopic image content and the two-dimensional image content of the display image frame can be ensured to be correctly displayed.

The present invention provides an electronic device and a stereoscopic image display method thereof. The method is applicable to an electronic device comprising a stereoscopic display and comprises the following steps. A display frame comprising a streaming image is obtained. At least one rectangular image region in the display frame is obtained by performing edge detection and line detection. Watermark detection is performed on the at least one rectangular image region. In response to the presence of a watermark in one of the at least one rectangular image region, a stereoscopic format image is generated based on the display frame and the one of the at least one rectangular image region. The stereoscopic display is controlled to operate in a stereoscopic display mode to display the stereoscopic format image, such that the image content of the streaming image is presented with a stereoscopic visual effect. Accordingly, the display frame comprising a streaming image conforming to a stereoscopic image format can be accurately detected.

Autostereoscopic display system calibration using light pattern projection is described herein. An autostereoscopic display system includes: an autostereoscopic display; a set of cameras configured to capture image data of a scene; a memory storing instructions and calibration parameters; and a processor configured to execute the instructions to perform a process. The process involves: projecting, using the autostereoscopic display, a light pattern into the scene, the light pattern including a first portion bordering a second portion at a boundary; targeting, based on the calibration parameters, the projecting of the light pattern to align the boundary with a point in the scene; determining, based on the image data, an alignment error between the boundary and the point; and updating, based on the alignment error, the calibration parameters. Corresponding methods, systems, and media are also disclosed.

A method for generating a display output to support camera assisted surgery comprising capturing at least one video stream received from a surgical camera system and transmitting this to a stereoscopi

The invention relates to a method for reducing disclinations in an autostereoscopic display device that is electrically switchable between a 2D view mode and a 3D view mode, wherein the method comprises varying the angle between two directions of liquid crystal alignment in the lenticular device, to thereby determine an angle that causes a minimal or an acceptable occurrence of disclinations after switching between both view modes. The invention further relates to an autostereoscopic display device that exhibits reduced disclinations when switching between both view modes.

A method for manufacturing a curved autostereoscopic display is provided. The method includes providing a curved panel. The curved panel has a panel arc length and a resolution. The method includes obtaining the optimal viewing distance based on the arc length and the resolution of the curved panel. The method includes determining the allowable curvature radius of the curved panel based on the panel arc length, the optimal viewing distance, and the allowable value. The method includes determining the actual curvature radius of the curved panel based on the optimal viewing distance or the allowable curvature radius.

The invention relates to a method for reducing disclinations in an autostereoscopic display device that is electrically switchable between a 2D view mode and a 3D view mode, wherein the method comprises varying the angle between two directions of liquid crystal alignment in the lenticular device, to thereby determine an angle that causes a minimal or an acceptable occurrence of disclinations after switching between both view modes. The invention further relates to an autostereoscopic display device that exhibits reduced disclinations when switching between both view modes.

A system and method are provided for determining a slant and optionally a pitch distance of an autostereoscopic display by generating and displaying a test pattern on the autostereoscopic display, capturing one or more images of the displayed test pattern, and determining the slant by determining a first phase at a first position in the image, determining a second phase at a second position in the image, and determining the slant of the optical elements based on a difference between the first phase and the second phase. Advantageously, the first position and the second position are horizontally and vertically offset from each other in accordance with an assumed value of the slant. This allows the slant measurement to be less susceptible to errors in the assumed pitch distance. In particular, the slant may be determined first, largely independent of the pitch distance, after which the pitch distance may be determined on the basis of the determined slant. Thereby, the slant and optionally the pitch distance may be determined more accurately and / or faster.

The present invention relates to a method for displaying, on an autostereoscopic display system comprising a switchable autostereoscopic display, a composed stereoscopic image providing a 3D rendering to said user with a resolution of N pixels and a 2D image providing a flat rendering to said user at a higher resolution than the composed stereoscopic image.

A method to determine a binocular alignment includes measuring a disassociated phoria of a patient at a first simulated distance by presenting fusible images including targets with a first parallax corresponding to the first simulated distance, using a headset stereo display at a screen distance; presenting non-fusible images by presenting the target for a first eye with the first parallax and presenting a disassociated targetless image for a second eye, and measuring the disassociated phoria in response to the presenting of non-fusible images, using an eye tracker of the headset; and determining a vergence of the patient at the first simulated distance by presenting fusible images for the first and second eyes with the first parallax, corrected with the measured disassociated phoria; measuring an associated phoria in response to the presenting of fusible images; and determining the vergence as a combination of the disassociated phoria and the associated phoria.

A display apparatus, including: the display panel includes multiple pixel islands arranged at intervals in a row direction and a column direction; odd rows of pixel islands and even rows of pixel islands are staggered in the row direction, and odd adjacent boundaries, extending in the column direction, of any two adjacent odd and even columns of pixel islands are colinearly arranged. Each pixel island includes multiple sub-pixels arranged at intervals in the row direction and the column direction, rows of sub-pixels in each pixel island are staggeredly arranged in sequence in the row direction, and adjacent boundaries, extending in the column direction, of any two adjacent columns the sub-pixels are collinearly arranged; and the light-splitting assembly is at a display surface side of the display panel and includes multiple lenses that extend in the column direction and are arranged at intervals in the row direction.

An apparatus may include a first light source that generates a first light output, a parallax generator that receives the first light output and transmits different portions of the first light output to different directions, and a second light source that generates a second light output, where the different portions of the first light output are transmitted through the second light source.