摘要:
A telepresence system includes a camera pair remotely controlled by a control module affixed to an operator. The camera pair provides for three dimensional viewing and the control module, affixed to the operator, affords hands-free operation of the camera pair. In one embodiment, the control module is affixed to the head of the operator and an initial position is established. A triangulating device is provided to track the head movement of the operator relative to the initial position. A processor module receives input from the triangulating device to determine where the operator has moved relative to the initial position and moves the camera pair in response thereto. The movement of the camera pair is predetermined by a software map having a plurality of operation zones. Each zone therein corresponds to unique camera movement parameters such as speed of movement. Speed parameters include constant speed, or increasing or decreasing. Other parameters include pan, tilt, slide, raise or lowering of the cameras. Other user interface devices are provided to improve the three dimensional control capabilities of an operator in a local operating environment. Such other devices include a pair of visual display glasses, a microphone and a remote actuator. The pair of visual display glasses are provided to facilitate three dimensional viewing, hence depth perception. The microphone affords hands-free camera movement by utilizing voice commands. The actuator allows the operator to remotely control various robotic mechanisms in the remote operating environment.
摘要:
A stereoscopic 3D display comprises a light source and condenser optics which direct light through a spatial light modulator and a polarisation modulator. Each of the modulators is pixellated with the pixels of one modulator being optically aligned with respective pixels of the other modulator. Each pixel of the spatial light modulator is controlled so as to provide a light amplitude which is equal to the square root of the sum of the squares of the corresponding pixels of the stereoscopic images. Each pixel of the polarisation modulator is controlled so as to supply output light with a polarisation angle give by the arc-tangent of the quotient of the pixel amplitudes of the stereoscopic images. Polarising glasses with suitably aligned polariser lenses allow an observer to perceive the 3D effect, for instance on a polarisation preserving screen on which the encoded stereoscopic image is projected by projection optics.
摘要:
An autostereo projection system uses multiple projectors to form a seamless and extended field of view. Each projector is registered to a CRT display. Shutter elements in each projector create multiple pupils for each CRT display. Each CRT display is driven with different images for each shutter pupil.
摘要:
An autostereoscopic display includes a display device and an optical system which provide laterally overlapping viewing windows wherein one viewing window may receive black view data while an adjacent viewing window receives eye view data. Such a display may be used to perform observer tracking.
摘要:
An observer tracking display is provided in which the image data displayed by at least three display devices along respective different directions is divided depending on the position of an observer. Each eye of the observer can see only some regions of the display devices. The positions and sizes of those regions are calculated for the position of the observer and the display devices are then controlled such that the observer's left eye only receives left view data and the observer's right eye only receives right eye view data.
摘要:
A position of an observer in a stereoscopic observing region is detected by a position detecting unit. A right-eye image and a left-eye image which are seen from the detecting position are formed by an image forming unit and displayed on a display. By setting an aperture position of a projection optical system, the right-eye image is projected to the right-eye position of the observer and the left-eye image is projected to the left-eye position, thereby allowing a stereoscopic image to be observed. Further, an aperture is set so as to project the right-eye image or left-eye image to a position different from the detecting position of the observer, thereby allowing a same image to be seen to both eyes of another observer and allowing a two-dimensional image to be observed.
摘要:
An electro-optical backlighting panel construction for use in portable computer-based systems having direct and projection viewing modes of operation. In the illustrative embodiments of the present invention, the electro-optical backlighting panel is integrated with a LCD display panel, a micropolarization panel, and a touch-screen writing panel to provide several different types of portable computer-based systems including, for example, a portable notebook computer, a computer-driven image display device, and a portable pen-computing device. In general, each of these computer-based systems are capable of selectively displaying color video images on an actively driven display surface, or projecting such video images onto a wall surface or projection screen. These computer-based systems can be easily reconfigured for projection viewing without any sort of physical modification to the LCD display panel assembly. If desired, the these computer-based systems can be used to directly view "spatially-multiplexed" images of 3-D objects or imagery during the direct viewing mode, and when desired these spatially-multiplexed images can be projected onto a wall surface or projection screen during the projection viewing mode. When the spatially-multiplexed images are viewed through electrically-passive polarized glasses, the 3-D object is perceived with stereoscopic depth sensation in either mode of viewing. A portable light projection accessory device is provided for use with the portable computer-based systems of the present invention. In the illustrative embodiments, the portable light projection device has first and second housing portions that are interconnected by a foldable structure that permits the first and second housing portions to be selectively reconfigured for simple trouble-free use during the projection viewing mode of operation, and for compact storage during the direct viewing mode of operation.
摘要:
An observer tracking display is provided in which the image data displayed by at least three image displays along respective different directions is updated depending on the lateral position of an observer. The image displayed in a viewing region not visible to the observer is updated with an appropriate image in anticipation of the observer moving to a position where that viewing region is visible.
摘要:
A calibration method is provided for an observer tracking display, for instance of the autostereoscopic 3D type, which forms steerable viewing zones and which comprises a tracking system for tracking an observer and a controller for controlling the viewing zones in response to the tracking system. The viewing zones are steered to direct light in a plurality of directions in turn. The observer then moves to the optimum position for viewing the display. The tracking system determines the optimum position for each viewing zone direction and the positions and directions are stored in association with each other so as to form a mapping in the controller for controlling the viewing zones in response to the tracking system during normal use of the display.
摘要:
The number of 2D views available to form an autostereoscopic 3D image is increased by using a beam combiner with two displays. Each display may comprise sequentially illuminatable light sources imaged by converging lenses for illuminating sequentially reproduced 2D images in spatial light modulators. The views are combined by the beam combiner so as to be visible to an observer in different directions corresponding to the directions from which the views were recorded during image capture.