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105 results about "Elemental imaging" patented technology
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Reflecting three-dimensional display system
InactiveUS7136031B2Simple processCathode-ray tube indicatorsSteroscopic systemsThree dimensional displayImage display
The present invention provides a reflection-type three-dimensional display system. The present invention comprises an image providing device that provides elemental images; an image displaying device that displays the elemental images; a projective lens system that is located along the same axis as the image providing device; and a concave mirror array that is located along the same axis as the projective lens system. The projective lens system projects the image that is displayed by the image displaying device to the concave mirror array, and the concave mirror array reflects and integrates the projected image and therefore displays the three-dimensional image.
Owner:LEE BYOUNGHO
Directional backlight, display apparatus, and stereoscopic display apparatus
A stereoscopic display apparatus includes a liquid-crystal display device that has display pixels arranged in a matrix and displays an elemental image array formed from a plurality of field images on the display pixels to render stereoscopic display, a parallax creating unit provided on the front surface or the rear surface of the liquid-crystal display device, and a directional backlight that emits light through the liquid-crystal display device then through the parallax creating unit and switches directions of the thus-emitted light among a plurality of directions according to a display of the field image is disclosed.
Owner:KK TOSHIBA
Stereoscopic display device and display method
InactiveUS20050083246A1Solve the real problemImage quality is not changedCathode-ray tube indicatorsSteroscopic systemsImaging processingComputer graphics (images)
It is made possible to satisfy such a condition that moire or color moire is suppressed and a fast image processing is made easy and such a condition that sufficient image quality can be obtained both at a flat image display time and at a stereoscopic image display time simultaneously. A vertical period of pixel rows having the pixels arranged in one row in a lateral direction is three times a lateral period of the pixels, the pixels developing red, green and blue are alternately arranged in a lateral direction in the same row, the pixels in one row of two rows adjacent in a vertical direction are arranged such that lateral positions thereof are shifted to the pixels in the other row by ½ of the lateral period of the pixels, the pixels in rows adjacent in the same column through one row interposed therebetween are the pixels developing different colors of red, green and blue, and a pitch of the elemental images is equal to a width of 18n (n=1, 2, 3 . . . ) pieces of the pixels, and a lateral pitch of the beam control element is smaller than the width of the 18n pieces of the pixels.
Owner:KK TOSHIBA
Apparatus displaying three-dimensional image
InactiveUS20060238863A1Add depthImprove resolutionStatic indicating devicesSteroscopic systemsComputer graphics (images)Elemental imaging
In a three-dimensional image display apparatus in which a lenticular plate and shutter device are arranged in front of a display module, one frame image is displayed using n field images. To display each field image, a shutter device is driven to substantially simultaneously open a group of shutter elements for every n lenses along a horizontal direction. Thus, light beams are transmitted from lenses through the shutter elements to an observing zone. The group of the opened shutter elements is sequentially changed in response to n switchings of the field. The switching of shutter elements is synchronized with the pixels on the display surface sequentially rewritten from top to bottom by linear sequential driving during the switching of the field. The elemental image is projected on the viewing zone via the lenses and the shutter elements.
Owner:KK TOSHIBA
Stereoscopic-image display apparatus
Mediums that are arranged opposite to an elemental-image display unit, that form two lens arrays having different principal planes together with substrates, and that switches a polarization direction of incident light corresponding to applied voltage, thereby making lens effect of either one of the lens arrays effective are included. By controlling the polarization direction synchronizing with a display timing of images to be displayed on the elemental-image display unit, the lens array to be effective is switched at each display timing, and images having different near or far direction are alternately displayed on the elemental-image display unit.
Owner:KK TOSHIBA
Method and system for recognition of a target in a three dimensional scene
InactiveUS20090160985A1Television system detailsTelevision system scanning detailsMicro lens arrayIntegral imaging
A method for three-dimensional reconstruction of a three-dimensional scene and target object recognition may include acquiring a plurality of elemental images of a three-dimensional scene through a microlens array; generating a reconstructed display plane based on the plurality of elemental images using three-dimensional volumetric computational integral imaging; and recognizing the target object in the reconstructed display plane by using an image recognition or classification algorithm.
Owner:UNIV OF CONNECTICUT
Three-dimensional image display apparatus, method of distributing elemental images to the display apparatus, and method of displaying three-dimensional image on the display apparatus
InactiveUS7425951B2Easy to viewMinimize observation anglePolarising elementsCathode-ray tube indicatorsComputer graphics (images)Image display
An apparatus is provided with a display unit and a optical filter. The unit has pixels arranged in a matrix form, which are grouped into a first group and second groups to display two-dimensional image information constituting elemental images, the image information being obtained from different directions. The optical filter has a first optical opening opposed to the first pixel group and second optical openings opposed to corresponding one of the second pixel groups. The center of the first pixel group is coincident with the axis of the first opening, each center of the second pixel groups is deviated from corresponding one of the second opening axe, and the deviation is gradually increased depending on a distance between the first and the second pixel group centers. The light rays are directed to a reference plane from the first and second pixel groups through the first and second opening axes.
Owner:HISENSE VISUAL TECH CO LTD
Method and apparatus for forming a composite image
ActiveUS20110052093A1Reduce gradient across overlapReduce gradientTelevision system detailsImage analysisComputer scienceElemental imaging
Owner:SONY CORP
Method, device for producing elemental image array for three-dimensional image display
InactiveCN1925628AKeep desired aspect ratioGood interpolation effectImage data processingSteroscopic systemsExit pupilImage resolution
Owner:KK TOSHIBA
Three-dimensional imaging apparatus
A three-dimensional imaging apparatus for imaging a three-dimensional object may include a microlens array, a sensor device, and a telecentric relay system positioned between the microlens array and the sensor device. A telecentric relay system may include a field lens and a macro objective that may include a macro lens and an aperture stop. A method of imaging a three-dimensional object may include providing a three-dimensional imaging apparatus including a microlens array, a sensor device, and a telecentric relay system positioned between the microlens array and the sensor device; and generating a plurality of elemental images on the sensor device, wherein each of the plurality of elemental images has a different perspective of the three-dimensional object.
Owner:UNIV OF CONNECTICUT +1
Azimuthal Elemental Imaging
ActiveUS20090276158A1Electric/magnetic detection for well-loggingSeismology for water-loggingNeutronMarine navigation
Owner:BAKER HUGHES INC
Image display apparatus
InactiveUS20060215018A1Efficient use ofSteroscopic systemsOptical elementsExit pupilComputer graphics (images)
The present invention can provide an image display apparatus which where viewing zones can be provided on at least two regions spaced from each other. The image display apparatus is provided with a two-dimensional image display apparatus where a plurality of pixels are arranged in a two-dimensional manner and an optical plate which has a plurality of exit pupils and changes regions where image information pieces displayed on the pixels are viewed for the respective pixels by controlling light ray directions from the pixels, where a pixel group for elemental image being a plurality of pixels corresponds to one exit pupil of the exit pupils, image information corresponding to a position where each pixel is viewed via the exit pupil is displayed is displayed on each pixel for elemental image displaying, and the pixel group for elemental image displaying is provided so as to be separated to two or more regions.
Owner:KK TOSHIBA
Three-dimensional image display device
InactiveUS7787008B2Improve balanceAvoid normal displayFood preservationAnimal fodder preservationExit pupilComputer graphics (images)
It is possible to provide a three-dimensional image display device which can improved a final resolution balance and can prevent display blocking. A three-dimensional image display device includes: a two-dimensional image display device where pixels constituting a pixel group displaying an elemental image are arranged in a matrix shape; and an optical plate which has exit pupils corresponding to the pixel group and controls light rays from the pixels of the pixel group, wherein the exit pupils in the optical plate are constituted so as to be continued in an approximately vertical direction, and an angle formed between a direction in which the exist pupils are continued and a column direction of a pixel arrangement in the two-dimensional image display device is given by arctan (1 / n) when n is a natural number which is different from multiples of 3.
Owner:KK TOSHIBA
Three-dimensional image display apparatus, method of distributing elemental images to the display apparatus, and method of displaying three-dimensional image on the display apparatus
ActiveUS20080309663A1Easy to viewMinimize observation angleDecorative surface effectsCathode-ray tube indicatorsComputer scienceMatrix form
An apparatus is provided with a display unit and a optical filter. The unit has pixels arranged in a matrix form, which are groped into a first group and second groups to display two-dimensional image information constituting elemental images, the image information being obtained from different directions. The optical filter has a first optical opening opposed to the first pixel group and second optical openings opposed to corresponding one of the second pixel groups. The center of the first pixel group is coincident with the axis of the first opening, each center of the second pixel groups is deviated from corresponding one of the second opening axe, and the deviation is gradually increased depending on a distance between the first and the second pixel group centers. The light rays are directed to a reference plane from the first and second pixel groups through the first and second opening axes.
Owner:HISENSE VISUAL TECH CO LTD
Directional backlight, display apparatus, and stereoscopic display apparatus
A stereoscopic display apparatus includes a liquid-crystal display device that has display pixels arranged in a matrix and displays an elemental image array formed from a plurality of field images on the display pixels to render stereoscopic display, a parallax creating unit provided on the front surface or the rear surface of the liquid-crystal display device, and a directional backlight that emits light through the liquid-crystal display device then through the parallax creating unit and switches directions of the thus-emitted light among a plurality of directions according to a display of the field image is disclosed.
Owner:KK TOSHIBA
System and method for depth from defocus imaging
An imaging system includes a positionable device configured to axially shift an image plane, wherein the image plane is generated from photons emanating from an object and passing through a lens, a detector plane positioned to receive the photons of the object that pass through the lens, and a computer programmed to characterize the lens as a mathematical function, acquire two or more elemental images of the object with the image plane of each elemental image at different axial positions with respect to the detector plane, determine a focused distance of the object from the lens, based on the characterization of the lens and based on the two or more elemental images acquired, and generate a depth map of the object based on the determined distance.
Owner:GENERAL ELECTRIC CO
Method, device, and program for producing elemental image array for three-dimensional image display
InactiveUS7742046B2Maintaining aspect ratioPolarising elementsCathode-ray tube indicatorsExit pupilComputer graphics (images)
A two-dimensional image can be displayed in a desired position, a desired aspect ratio of the display image can be maintained, and such an elemental image array as to maximize an interpolating effect can be produced. A producing method of an elemental image array for three-dimensional image display includes: converting the resolution of the two-dimensional image into substantially the same resolution of a three-dimensional image display device; obtaining multipoint images by shifting the position to sample the two-dimensional image after the resolution conversion at regular intervals in the horizontal direction; and rearranging the multipoint images according to the positional relationship between exit pupils and projecting directions.
Owner:KK TOSHIBA
Method for increasing reconstruction resolution ratio of computer integrated image
InactiveCN103021014AHigh-resolutionTelevision system detailsColor television detailsImaging processingImage resolution
The invention relates to a method for increasing the reconstruction resolution ratio of a computer integrated images, belonging to the technical field of image processing. An elemental image set is periodically selected during computer reconstruction by adequately utilizing the characteristic that adjacent elemental images in integrated imaging have a part of similar information, and a plurality of pixels are extracted from each of the selected elemental images to be spliced, so that the final reconstructed image is obtained. According to the method, the resolution ratio of the computer reconstructed image is increased.
Owner:CHANGCHUN UNIV OF SCI & TECH
Three-dimensional image display device
InactiveCN1655012AImproved sharpness balancePrevent display barriersFood preservationAnimal fodder preservationExit pupilComputer graphics (images)
It is possible to provide a three-dimensional image display device which can improved a final resolution balance and can prevent display blocking. A three-dimensional image display device includes: a two-dimensional image display device where pixels (4) constituting a pixel group displaying an elemental image are arranged in a matrix shape; and an optical plate (6) which has exit pupils (7) corresponding to the pixel group and controls light rays from the pixels of the pixel group, wherein the exit pupils in the optical plate are constituted so as to be continued in an approximately vertical direction, and an angle ([theta]) formed between a direction in which the exist pupils are continued (L) and a column direction (Y) of a pixel arrangement in the two-dimensional image display device is given by arctan (1 / n) when n is a natural number which is different from multiples of 3.
Owner:KK TOSHIBA
Stereoscopic image display apparatus and stereoscopic image display method
InactiveUS20090079818A1Luminance difference can be preventedIncrease the number ofStereoscopic photographySteroscopic systemsParallaxComputer graphics (images)
It is made possible to provide a stereoscopic image display apparatus capable of preventing a luminance difference from being caused between left and right eyes irrespective of the observation position even if the viewing zone is wide and the number of parallaxes is large. A stereoscopic image display apparatus includes: a display unit including pixels arranged in a matrix form in a longitudinal direction and a lateral direction; an optical plate installed so as to be opposed to the display unit and having linear optical openings prolonged in a longitudinal direction and arranged in a lateral direction; and a luminance compensation processing unit which, for each of elemental images associated with the optical openings, sets a brightness of an image displayed on a pixel located in a center of the elemental image smaller than a brightness of an image displayed on a pixel located in each of boundaries of the elemental image.
Owner:KK TOSHIBA
Near-eye display with extended effective eyebox via eye tracking
A near-eye display system includes a display panel to display a near-eye lightfield frame comprising an array of elemental images and an eye tracking component to track a pose of a user's eye. The system further includes a rendering component to position the array of elemental images within the near-eye lightfield frame based on the pose of the user's eye. A method of operation of the near-eye display system includes determining, using the eye tracking component, a first pose of the user's eye and determining a shift vector for an array of elemental images forming a near-eye lightfield frame based on the first pose of the user's eye. The method further includes rendering the array of elemental images at a position within the near-eye lightfield frame that is based on the shift vector.
Owner:GOOGLE LLC
Method, device, and program for producing elemental image array for three-dimensional image display
InactiveUS20070052729A1Maintaining aspect ratioAchieve effectPolarising elementsCathode-ray tube indicatorsExit pupilImage resolution
A two-dimensional image can be displayed in a desired position, a desired aspect ratio of the display image can be maintained, and such an elemental image array as to maximize an interpolating effect can be produced. A producing method of an elemental image array for three-dimensional image display includes: converting the resolution of the two-dimensional image into substantially the same resolution of a three-dimensional image display device; obtaining multipoint images by shifting the position to sample the two-dimensional image after the resolution conversion at regular intervals in the horizontal direction; and rearranging the multipoint images according to the positional relationship between exit pupils and projecting directions.
Owner:KK TOSHIBA
Stereoscopic image display apparatus and stereoscopic image display method
InactiveCN101398608AWide field of visionNo brightness differenceStereoscopic photographyParallaxComputer graphics (images)
Owner:KK TOSHIBA
Azimuthal elemental imaging
Measurements made by a pulsed neutron tool with two or more gamma ray detectors are used to provide a mineralogical and / or elemental image of the formation. This may be used in reservoir navigation and in furthering the understanding of the geology of the prospect. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
Owner:BAKER HUGHES INC
Layered scene decomposition CODEC system and methods
ActiveUS20190068973A1Reduced system transmission latencyHigh bandwidth rateImage analysisGeometric image transformationDecompositionComputer graphics (images)
A system and methods for a CODEC driving a real-time light field display for multi-dimensional video streaming, interactive gaming and other light field display applications is provided applying a layered scene decomposition strategy. Multi-dimensional scene data is divided into a plurality of data layers of increasing depths as the distance between a given layer and the plane of the display increases. Data layers are sampled using a plenoptic sampling scheme and rendered using hybrid rendering, such as perspective and oblique rendering, to encode light fields corresponding to each data layer. The resulting compressed, (layered) core representation of the multi-dimensional scene data is produced at predictable rates, reconstructed and merged at the light field display in real-time by applying view synthesis protocols, including edge adaptive interpolation, to reconstruct pixel arrays in stages (e.g. columns then rows) from reference elemental images.
Owner:AVALON HOLOGRAPHICS INC
LWD Azimuthal Pulsed Neutron Lithology Imaging Tool
Measurements made by a pulsed neutron tool with two or more gamma ray detectors are used to provide a mineralogical and / or elemental image of the formation. This may be used in reservoir navigation and in furthering the understanding of the geology of the prospect. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
Owner:BAKER HUGHES INC
Apparatus displaying three-dimensional image
InactiveUS7786953B2Easy to viewSuppress crosstalkCathode-ray tube indicatorsColor television detailsCamera lensComputer graphics (images)
In a three-dimensional image display apparatus in which a lenticular plate and shutter device are arranged in front of a display module, one frame image is displayed using n field images. To display each field image, a shutter device is driven to substantially simultaneously open a group of shutter elements for every n lenses along a horizontal direction. Thus, light beams are transmitted from lenses through the shutter elements to an observing zone. The group of the opened shutter elements is sequentially changed in response to n switchings of the field. The switching of shutter elements is synchronized with the pixels on the display surface sequentially rewritten from top to bottom by linear sequential driving during the switching of the field. The elemental image is projected on the viewing zone via the lenses and the shutter elements.
Owner:KK TOSHIBA
Integral three-dimensional imaging with digital reconstruction
InactiveUS20060256436A1Increase heightImprove image qualityStereoscopic photographySteroscopic systemsComputer graphics (images)Display device
An elemental image array of a three-dimensional object is formed by a micro-lens array, and recorded by a CCD camera. A display device may be connected directly or indirectly to the computer to display the image of the three-dimensional object.
Owner:UNIV OF CONNECTICUT
Three-dimensional image display device and three-dimensional image display method
InactiveUS20090309873A1Improve visibilityReduce processing speedStatic indicating devicesColor television detailsVisibilityComputer graphics (images)
It is made possible to provide a three-dimensional image display device by which an alarm image with high visibility can be displayed at the end of the viewing zone in a parallel-ray one-dimensional IP system, without a reduction of the viewing zone or a decrease in processing speed. A three-dimensional image display device includes: an elemental image display unit that has pixels arranged in a matrix form in a display plane, and displays elemental images; an optical plate that is placed to face the elemental image display unit, has optical apertures that extend linearly in a vertical direction and are arranged at regular intervals in a horizontal direction, and controls light rays from the elemental image display unit; and an image data converting unit that converts image data so that single-color portions having periodically varying widths are inserted to boundary portions between the elemental images, the width varying with locations in the elemental image display unit, the inserted single-color portions being asymmetrical in the entire elemental image display unit.
Owner:KK TOSHIBA
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