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Topic: Volumetric display

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	Archives and Download - 3D Volumetric Display - www.LaserFX.com
		The helical display is a volumetric medium that uses simple optical and mechanical principles to transform the scanned laser pulses into visible three-dimensional images.
		By synchronising the display of each laser pulse with the appropriate angle of a constantly rotating helix, the simple transformation of an array of X- and Y- scanned laser pulses into an assemblage of voxels is achieved, creating a true three dimensional image.
		The volumetric display will improve the safety of air traffic by allowing the controller to see a picture of the controlled area and the relationships of the planes in three dimensions without any aberrations.
	www.laserfx.com /Backstage.LaserFX.com/Archives/Archives8.html (1068 words)

	Volumetric display - Wikipedia, the free encyclopedia
		Swept-surface (or "swept-volume") volumetric 3-D displays rely on the human persistence of vision to fuse a time-series of regions of the ultimate 3-D region into a single 3-D image.
		It is often claimed that volumetric displays are incapable of reconstructing scenes with viewer-position-dependent effects, such as occlusion and opacity.
		To-date, occlusion-capable volumetric displays require two conditions: (1) the imagery is rendered and projected as a series of "views," rather than "slices," and (2) the time-varying image surface is not a uniform diffuser.
	en.wikipedia.org /wiki/Volumetric_display (2011 words)

	Volumetric Diet -- Recommendations and Resources
		Volumetric efficiencies can be improved in a number of ways, but most notably the size of the valve openings compared to the volume of the cylinder.
		A volumetric flask (vol flask for short) is a piece of laboratory glassware used to measure a very precise and accurate amount of a liquid, and is used for such when the amount is too big for a pipette or burette.
		Volumetric displays are currently in a prototype phase, with a variety of systems proposed and in use in small quantities mostly in academia and various research labs.
	www.becomingapediatrician.com /health/163/volumetric-diet.html (1481 words)

	A multi-planar volumetric display
		Volumetric displays can be considered to be the most realistic three-dimensional displays.
		For instance, such a display might consist of a transparent crystal in which by means of up-conversion light is generated.
		The display has a small tilt-angle alpha, with respect to the semi-transparent mirrors, such that there is a path difference for the light coming from the four pictures.
	www.priorartdatabase.com /IPCOM/000030858 (359 words)

	Gimballed three-dimensional display system - Patent 4639081
		A three-dimensional display system comprising a display member on which viewing perspective changes as a function of viewing angle and a two axis remote control gimbal onto which the display is mounted to permit a user of the display to maintain contact with a control console while changing the angular view of the display.
		The present invention relates to a three-dimensional display system which includes a volumetric display member upon which an image is displayed in a manner whereby the perspective view of that image may be changed by changing the viewing angle to the display member.
		However, control panels for volumetric three-dimensional displays are often complex and therefore do not permit easy remote operation or, in the event of remote operation, movement of the control panel may require the viewer to actually look at the control panel during operation and thereby lose contact with the image on the display.
	www.freepatentsonline.com /4639081.html (1420 words)

	[No title]
		Currently there is no form of display that allows objects to be imaged "in thin air." There are various forms of stereoscopic or holographic display which allow an observer's two eyes to perceive two different images, as long as the observer is looking into a display screen.
		Alternatively, some volumetric display devices employ two laser beams of different frequencies, focused into a cubic volume that is filled with a photo-responsive material.
		Such a display, for example, allows two or more people to hold a conversation, while discussing a animated figure or other object of interest that can be floating directly in the air between them.
	mrl.nyu.edu /~perlin/holodust (1549 words)

	LASER PROJECTED 3-D VOLUMETRIC DISPLAYS (Site not responding. Last check: )
		Display images are created by synchronizing the interaction of the laser pulses and the moving screen to address a full three-dimensional volume that gives the viewer true depth cues (binocular parallax, accommodation, convergence) without the need for any special viewing aids.
		The primary element in this type of display system is a rotating helically-curved surface, referred to as the "helix." The shape may be described as a spiraling surface extended between the two curves of a diametrically opposed double-helix frame.
		The display is usually operated under a low ambient to avoid seeing the white surface of the helix, so that these luminances are adequate for showing images on the system.
	www.nosc.mil /sti/publications/reprints/3dvolumetricdisplay/reprints/soltan/volu.html (4368 words)

	EETimes.com - Volumetric 3-D displays: optical/ bandwidth requirements
		Another benefit of volumetric displays is that they often have large fields of view, such as 360 degrees around the display, viewable simultaneously by an almost unlimited number of people.
		A typical high-end volumetric display, as bounded by the performance of SLM technology, might have a resolution of roughly 100 million voxels.
		The link from the host PC to the volumetric display may be 20 to 40 Mbytes/s, which is bound by the type of connection (SCSI, FireWire)--and utilization of the bandwidth depends on the complexity of the 3-D scene being rendered.
	www.eetimes.com /story/OEG20011127S0057 (1806 words)

	Autostereoscopic displays and computer graphics
		Volumetric displays span a volume of space, allowing individual parts of the space to be illuminated.
		Volumetric devices are appropriate for this type of application because they can vector-scan only the regions of space that the object spans, eliminating the display bandwidth that would otherwise be required to rasterize the entire image volume.
		A similar technology to volumetric displays, stereolithography, has achieved widespread use in the CAD/CAM industry because the result of the scanning process is not the emission of light, but a formation of a solid computer-generated object made from a polymer material.
	web.media.mit.edu /~halazar/autostereo/autostereo.html (4746 words)

	3D Displays (Site not responding. Last check: )
		The invention is directed to the field of volumetric three-dimensional (3-D) graphical or computer displays which are capable of presenting objects, data, scenes or other visual information in a realistic or solid-like manner allowing for an unaided observer to observe such static or moving objects from multiple perspectives with natural depth-cues and superior image quality.
		Just as for 2-D displays, a minimum refresh frame rate is required, and this has empirically been found to be about 20 to 25 refreshed frames per second for volumetric displays and ideally should be even higher.
		The major subdivision within swept-volume rotating displays is between passive screens and active screens, i.e., screens that reflect (or block) light vs. screens that produce light (by phosphorescence of the voxel due to an e-beam impinging upon it or by self-emission from a powered screen-mounted LED, for example).
	www.ipfoundry.biz /3d_microdroplet_displays.htm (20309 words)

	Volumetric 3D - 3DIcon Corporation
		A volumetric display device is a graphical display device that forms a visual representation of an object in three physical dimensions, as opposed to the planar image of traditional screens that simulate depth through a number of different visual effects.
		Though there is no consensus among researchers in the field, it may be reasonable to admit holographic and highly multi-view displays to the volumetric display family if they do a reasonable job of projecting a three-dimensional light field within a volume.
		The main difference from an application and usage point is that volumetric displays are not 3D on a 2D screen or a flat panel.
	www.3dicon.net /technology/volumetric.html (261 words)

	[No title]
		The auxiliary display is located adjacent the the main display and being able to move relative to the main display along a path extending in a direction substantially circumferential to the main display.
		Provided are a volumetric three-dimensional display panel formed by stacking a plurality of transparent, flexible two-dimensional display panels, such as organic light-emitting devices, to have a curved surface, and a volumetric three-dimensional display system employing the volumetric three-dimensional display panel.
		In the volumetric three-dimensional display panel, two- dimensional images are displayed on the two- dimensional flexible display panels to form a single three-dimensional image, and a display surface of the volumetric three-dimensional display panel is curved with a predetermined curvature or is flat.
	felix.cixforce.de /hof/hof.php5 (8117 words)

	Virtual Cable™ - Technology
		The viewing optics relay the real optical image produced by the primary volumetric display and, utilizing the vehicle's windshield as a head-up-display (HUD) combiner, present it to the driver as a 3-dimensional Virtual Cable™, positioned within the outside scenery in front of the vehicle.
		To produce the primary Virtual Cable™ image, the laser beam is scanned obliquely from the laser projector (described later) onto the front surface of the projection screen (5), which is mounted on the voice-coil actuator (6).
		Since such a data directly relates to the geometry of the image that needs to be generated inside the primary volumetric display, it is used to calculate the signals to the controllers of the laser and the display actuators for the next display refresh cycle.
	www.mvs.net /technology.html (2752 words)

	[No title]
		A multi-planar volumetric display system and method generate volumetric three-dimensional images using a multi-surface optical device including a plurality of individual optical elements corresponding to a plurality of image depths.
		Turning to examples of other volumetric display systems known in the art, one example of a volumetric image system is the system of 3D TECHNOLOGY LABORATORIES of Mountain View, Calif., in which the intersection of infrared laser beams in a solid glass or plastic volume doped with rare earth impurity ions generates such voxel-based images.
		The anti-aliasing adjusts the display of voxels in a transition between optical elements, such that color values of the voxels are modified as a function of the distance of the voxels from the optical elements, to generate a smooth transition between the portions of the volumetric three-dimensional image.
	www.uncg.edu /~t_hunter/6466185.htm (1833 words)

	Volumetric and Holographic Imaging
		Volumetric imaging refers to producing images, which have volume to them. The majority of the images that are artificially produced today consist of only two dimensions, height, and length. However, volumetric images would also include depth, and provide viewers with a very realistic picture that they could view from all angles, and possibly interact with.
		The word “hologram” is often used in conjunction with the idea of volumetric imaging. Holograms are three-dimensional images, but they are known as “stereoscopic” images. This means that while holograms are three-dimensional in nature, they are shown on a two-dimensional plane, such as a piece of glass or film.
		On the other hand, volumetric images are images that can appear three-dimensional, but without the need for any two-dimensional surface. In other words, a true volumetric image is one that can be displayed in thin air.
	komar.cs.stthomas.edu /qm425/02s/Lloyd3.htm (546 words)

	Gestures control true 3D display TRN 122904
		Volumetric displays occupy a volume of space, like a crystal ball.
		The challenge in interacting with a volumetric display is akin to pointing out objects in a crystal ball.
		The researchers' method involves using fingers to gesture in the space around and on the surface of the volumetric display.
	www.trnmag.com /Stories/2004/122904/Gestures_control_true_3D_display_Brief_122904.html (264 words)

	::::Display 3D:::: Full Space Laser 3D Display, investment, new technologies, 3D monitor, volumetric monitor, ...
		A volumetric image is formed by strict spiral or other scanning and amplitude modulation of laser or any light beam with reflection on rotating body, thus it is multiplied a lot of flat screens with all raster points of image at every position of rotating screen http://www.actuality-systems.com.
		Our system is volumetric projection system, but the number of points in image most less then in conventional raster method, because we draw not all points of image, but points in certain surfaces of complex shape which covers all volume.
		The easy zooming of volumetric image – we can form volumetric space from 0,4x0,4x0,2 M3 up to 2x2x0.5 M3 without any change of our method (it is needed only increase the power of laser source).
	www.d3d.ru /3d.htm (615 words)

	Corporate Profile - 3DIcon Corporation
		The volumetric 3D technologies that 3DIcon currently has under development are being designed to create images that do not require viewing aids and are projected into space, creating a floating image that can be viewed from any angle and appears solid to the naked eye.
		SVD is a volumetric display in which a 3D image is formed by illuminating a rapidly moving display surface, such as a circular screen rotating at an optimal rpm (revolutions per minute), sweeping a spherical volume at each half-rotation.
		Volumetric displays were first postulated nearly a century ago and have been a staple of science fiction.
	www.3dicon.net /company/profile.html (2827 words)

	LASER PROJECTED 3-D VOLUMETRIC DISPLAYS
		Display images are created by synchronizing the interaction of the laser pulses and the moving screen to address a full three-dimensional volume that gives the viewer true depth cues (binocular parallax, accommodation, convergence) without the need for any special viewing aids.
		The primary element in this type of display system is a rotating helically-curved surface, referred to as the "helix." The shape may be described as a spiraling surface extended between the two curves of a diametrically opposed double-helix frame.
		The display is usually operated under a low ambient to avoid seeing the white surface of the helix, so that these luminances are adequate for showing images on the system.
	www.spawar.navy.mil /sti/publications/pubs/gen/soltan/volu.html (4368 words)

	The Ultimate Display?What Will It Be?
		These displays have become available for the consumer market during the past decade, and they are now used in several application domains, such as science, medicine, and entertainment.
		Volumetric displays are autostereoscopic displays that project volume filling three-dimensional imagery directly in space.
		She discusses the slow pace of evolution in display manufacturing, reviews the current status of the global display manufacturing infrastructure, and identifies several problems, solutions, and killer applications for small, medium, and big displays.
	www.computer.org /portal/site/computer/menuitem.5d61c1d591162e4b0ef1bd108bcd45f3/index.jsp?&pName=computer_level1_article&TheCat=1005&path=computer/homepage/0805&file=GEI.xml&xsl=article.xsl& (805 words)

	Multi-planar volumetric display system and method of operation using multi-planar interlacing - Patent 6806849
		A multi-planar volumetric display system and method of operation generate volumetric three-dimensional images using a multi-surface optical device including a plurality of individual optical elements arranged in an array; and an image projector for selectively projecting images on respective optical elements to generate a first volumetric three-dimensional image viewable in the multi-surface optical device.
		A volumetric 3D image is typically represented by a large number of zeros associated with the inside of objects, background objects obstructed by foreground objects, and surrounding empty space.
		are to be displayed corresponding to the voxel
	www.freepatentsonline.com /6806849.html (12088 words)

	SID - Society For Information Display
		A distinguished panel of display experts selected these six products from the more than 60 nominations that were submitted, based on their technical innovation and commercial significance, in addition to their likely social impact.
		When it comes to displays, bigger is often better, and the sheer size of Panasonic's 103-inch diagonal 1080p Plasma TV is certainly an attention-grabber-it is the largest plasma display in the world.
		It boasts an effective display area of approximately 89 inches wide by 50 inches high, which is equivalent in size to four 50-inch Panasonic plasma displays.
	www.sid.org /pressroom/070511.html (1454 words)

	Slashdot \| High-res Volumetric 3D Display Prototype
		Gregg Favalora wrote in to plug his company Actuality Systems, Inc., which is working on a 90 voxel (8 color!) volumetric display.
		Volumetric displays probably won't replace 2D displays for a long time, if ever, but I'll bet they'll have niches in which they're considered very useful.
		One of the benefits of a volumetric display is being able to move your head or body and actually see the object from a different angle.
	slashdot.org /article.pl?sid=00/10/04/1427202 (3412 words)

	Volumetric - Future Feeder » Archive » Lightspace DepthCube: 3D Volumetric Display (Site not responding. Last check: )
		The volumetric analysis provides the foundation for determining the value of a well's performance.
		Volumetric flasks: Volumetric flasks with beaded rim or with
		Volumetric flasks in clear and amber glass, with beaded rim or polystopper.
	mercedes-maybach.yournetpath.com /?q=mercedes-maybach-volumetric (222 words)

	Planar Slicing of Volumetric Data
		Volumetric displays are composed of a series of 2D slices of data which are layered to produce the volume.
		IDL provides routines that allow you to display a series of the 2D slices in a single image window, display single orthogonal or non-orthogonal slices of volumetric data, or interactively extract slices from a 3D volume.
		When displaying all 57 slices of the array in a single window, the image size (80 by 100) and the number of slices (57) determine the window size.
	idlastro.gsfc.nasa.gov /idl_html_help/Planar_Slicing_of_Volumetric_Data.html (1373 words)

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