Abstract:
A method is provided for a stereo video capture system. The stereo video system includes a stereo video monitor, a control platform, and a three-dimensional (3D) capture imaging device. The method includes capturing at least a first image and a second image, with a parallax between the first image and the second image based on a first parallax configuration. The method also includes receiving the first and second images; and calculating a value of at least one parallax setting parameter associated with the first and second images and corresponding to the first parallax configuration. Further, the method includes determining whether the value is within a pre-configured range. When the value is out of the pre-configured range, the method includes converting the first parallax configuration into a second parallax configuration. The method also includes sending, the second parallax configuration to the 3D imaging capture device, and adopting the second parallax configuration in operation.
Abstract:
A 3D display apparatus includes a display device, a liquid crystal panel, and a lens unit. The display device is configured to output polarized lights of one or more images with a first polarization direction. The liquid crystal panel is coupled to the display device and contains a plurality of pixel display areas to receive the polarized lights. The display areas can be individually controlled by corresponding active switches to a first state in which the first polarization direction is transformed into a second polarization direction or a second state in which the first polarization direction is maintained. Further, the lens unit is coupled to the liquid crystal panel and is configured to guide the polarized lights with the second polarization direction to pass through for 2D display and to guide polarized lights with the first polarization direction into predetermined transmitting directions for 3D display.
Abstract:
A simulated 3D image display method is provided for a display device. The method includes capturing at least two images of a scene for 3D scene reconstruction; extracting depth and color information from the at least two images of the scene for 3D scene reconstruction; continuously tracking movement of a user to determine a relative position between the user and the display device; and, based on the relative position, reconstructing the image of the scene corresponding to a current viewpoint of the user from a plurality of view images of a plurality of viewpoints generated based on the at least two images and using an interpolation algorithm for display on a display screen of the display device.
Abstract:
A three-dimensional (3D) display system is provided for displaying a 3D image. The 3D display system includes a display panel having pixels arranged at a pixel spatial period and a lens grating disposed together with the display panel. The lens grating further includes a plurality of lens units arranged at a first period and a plurality of non-lens units arranged at a second period. The second period is greater than one-third of the first period and less than two-thirds of the first period, and the plurality of lens units and the plurality of non-lens units are arranged such that the lens grating has a different spatial period from the pixel spatial period to reduce Moire fringe effect between the lens grating and the pixels of the display panel.
Abstract:
A 2D/3D switchable stereoscopic display apparatus includes a display panel, a liquid crystal lens, and a controller. The liquid crystal lens includes a first substrate having a plurality of first electrodes, a second substrate disposed opposite to the first substrate and having a second electrode, a liquid crystal layer constituting liquid crystal molecules disposed between the first substrate and the second substrate, and a plurality spacers. The controller is configured to, when the display apparatus is in a 2D display state, control a first voltage between the first electrodes and the second electrode to generate a first electric field with an equal electric field intensity, which causes the liquid crystal molecules to rotate by a predetermined degree such that a refractive index difference between the liquid crystal molecules and the spacers is within a preset range.
Abstract:
A stereoscopic display device includes a display panel for displaying 2D/3D images, a driving circuit module, and a light-splitting device. The light-splitting device includes a first substrate having a plurality of first electrodes, a second substrate arranged facing the first substrate and having at least one second electrode, a liquid crystal layer placed between the first substrate and the second substrate, and a plurality of spacers in the liquid crystal layer. The driving circuit module is configured to, when in the 3D display mode, provide a plurality of driving voltages between the first electrodes and the second electrode to make the liquid crystal layer an array of liquid crystal lenses and, when in the 2D display mode, to provide a deflection voltage between the first electrodes and the second electrode to reduce a refractive index difference between the liquid crystal molecules and the spacers with a predetermined range.
Abstract:
A three-dimensional (3D) display system is provided. The 3D display system includes a display device and a switchable grating. The display device is configured to display a set of images with parallax for 3D display. The switchable grating comprises a plurality of switchable grating units, and each switchable grating unit has variable width and variable refractive index and has electric-signal-controllable optical parameters. The switchable grating is coupled with the display device, and configured to enable directional light transmission so as to separate lights of the set of images into predetermined viewing directions to effect the 3D display. Further, the switchable grating includes a first substrate having a plurality of first-type electrodes; a second substrate having at least one second-type electrode; and an optical material contained between the first substrate and the second substrate.
Abstract:
The present invention provides a 3D display method, which comprises: obtaining an interference value of a display unit displaying at least one pair of images with parallax; adjusting the display unit based on the interference value; and the adjusted display unit displaying the at least one pair of images with parallax. The present invention also provides a 3D display device. Through the technical solution of the present invention, the crosstalk phenomenon during the 3D display process can be relieved to optimize the 3D display result.
Abstract:
A method is provided for a 3D virtual training system. The 3D virtual training system includes a 3D display screen and an operating device, and the method includes initializing a virtual medical training session to be displayed on the 3D display screen, where 3D display contents include at least a 3D virtual image of a surgery site. The method also includes obtaining user interaction inputs via the operating device and the 3D display screen, and displaying on the 3D display screen a virtual surgery device and a virtual surgery operation on the surgery site by the virtual surgery device. Further, the method includes determining an operation consequence based on the user interaction inputs and the surgery site, rendering the operation consequence based on the surgery site and effects of the virtual surgery operation, and displaying 3D virtual images of the rendered operation consequence on the 3D display screen.
Abstract:
A simulated 3D image display method is provided for a display device. The method includes capturing at least two images of a scene for 3D scene reconstruction; extracting depth and color information from the at least two images of the scene for 3D scene reconstruction; continuously tracking movement of a user to determine a relative position between the user and the display device; and, based on the relative position, reconstructing the image of the scene corresponding to a current viewpoint of the user from a plurality of view images of a plurality of viewpoints generated based on the at least two images and using an interpolation algorithm for display on a display screen of the display device.