Patent application number | Description | Published |
20080211736 | Three-dimensional image display apparatus - A three-dimensional image display apparatus includes an image display configured to output image light which arrays a plurality of pixels and has polarization, a lens array arranged in front of the image display, configured to function as lens at light which has a 1st polarization direction, and not to function as lens at light which has a 2nd polarization direction differed from the 1st polarization direction, and a birefringent phase modulator placed between the image display and the lens array and configured to rotate a polarization plane of the image light. | 09-04-2008 |
20080218515 | THREE-DIMENSIONAL-IMAGE DISPLAY SYSTEM AND DISPLAYING METHOD - A three-dimensional-image display system generates a first physical-calculation model generator that expresses a real object, based on both position/posture information expressing a position and posture of the real object, and attribute information expressing attribute of the real object. The three-dimensional-image display system displays a three-dimensional image within a display space, based on a calculation result of the interaction between the first physical-calculation model and a second physical-calculation model expressing a virtual external environment of the real object within the display space. | 09-11-2008 |
20080225113 | THREE-DIMENSIONAL IMAGE DISPLAY DEVICE, METHOD FOR DISPLAYING THREE-DIMENSIONAL IMAGE, AND STRUCTURE OF THREE-DIMENSIONAL IMAGE DATA - A three-dimensional image display device includes a display section having pixels arranged in a matrix and each includes three color component sub-pixels arranged in vertical stripes, and a light beam control element installed opposite the display section and having optical apertures arranged in a substantially horizontal direction and extending linearly in a direction inclined at an angle atan (1/n) (n=4 or 5) to a direction of pixel columns. The average value of the horizontal pitch of element images displayed in the display section is specified to be equal to or greater than natural number m times as large as a pixel horizontal pitch (m09-18-2008 | |
20080239482 | APPARATUS AND METHOD OF DISPLAYING THE THREE-DIMENSIONAL IMAGE - A three-dimensional image display apparatus displays element images each composed of a set of parallax component images. An exit pupil array is located opposite the display surface. Exit pupils of the array correspond to the respective element images. The horizontal pitch of the exit pupils or an integral multiple of the horizontal pitch is set equal or slightly smaller than an integral multiple of the horizontal pitch of pixels. The parallax component images are oriented in different directions via the exit pupil. Principal beams from the parallax component images via the exit pupils are emitted substantially parallel to one another. The element image contains substantially the same parallax image component in two pixel areas in which two adjacent parallax image components are otherwise displayed. The same parallax image component is oriented in different directions via the corresponding exit pupil. | 10-02-2008 |
20080309663 | 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 - 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. | 12-18-2008 |
20090002262 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS FOR DISPLAYING THREE-DIMENSIONAL IMAGE - In an apparatus for displaying a three-dimensional image, sub-pixels having color components are arranged in a longitudinal direction and in a lateral direction in a matrix form, in a display section for displaying a flat image, and a light ray control element is disposed so as to be opposed to the display section. In the light ray control element, linear optical openings extending in a vertical direction are arranged in the lateral direction. A sum of opening area lengths of opening areas of a plurality of sub-pixels adjacent to each other in a horizontal direction is varied in a single row, and the sum thereof in a plurality of rows becomes constant. Further, an arrangement of the sub-pixels is a color arrangement of a mosaic arrangement or a lateral stripe arrangement. | 01-01-2009 |
20090002483 | Apparatus for and method of generating image, and computer program product - An apparatus includes a stereoscopic display region calculator calculating a stereoscopic display region to reproduce a three-dimensional positional relationship in image data displayed on a stereoscopic display device, based on two-dimensional or three-dimensional image data, a position of a target of regard of a virtual camera set in processing of rendering the image data, and orientations of the light beams output from the stereoscopic display device. The apparatus also includes an image processor performing image processing on image data outside a region representing the outside of the stereoscopic display region calculated by the stereoscopic display region calculator. The image processing is different from image processing on image data inside a region representing the inside of the stereoscopic display region. The apparatus also includes an image generator generating stereoscopic display image data from the two-dimensional or three-dimensional image data after processed by the image processor. | 01-01-2009 |
20090052164 | 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. | 02-26-2009 |
20090079733 | APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT FOR PROCESSING THREE-DIMENSIONAL IMAGES - An element image array for displaying a three-dimensional image is generated by assigning the parallax images that are contained in multi-viewpoint information obtained under an arbitrary condition to the pixels included in a display panel so that parallax information derived from multi-viewpoint images is assigned to the pixels, based on the incident positions of the optical beams emitted from the pixels and the image obtaining positions of the multi-viewpoint images, while the number of pixels forming each element image is adjusted so that the optical beams become incident substantially in mutually the same area at a first viewing distance. | 03-26-2009 |
20090079762 | METHOD FOR PRODUCING MULTI-VIEWPOINT IMAGE FOR THREE-DIMENSIONAL IMAGE DISPLAY AND PROGRAM THEREFOR - A method for producing a multi-viewpoint image for a three-dimensional image display, includes: providing a plurality of viewpoints to be spaced at equal intervals in direction perpendicular to a single reference projection plane including target viewpoints serving as reference are spaced at constant intervals in a first direction parallel to the reference projection plane; providing a plurality of individual target viewpoints which are respectively different from the target viewpoints serving as reference and serve as feet of a perpendicular to the plurality of viewpoints, corresponding to the respective viewpoint, on a projection plane which is a plane including the reference projection plane; making determination such that the shapes and the sizes of the individual projection planes are included in the reference projection plane in overlapping regions of the individual projection planes acquired from two viewpoints positioned at the outermost positions of the plurality of viewpoints; and clipping only regions of the reference projection plane from the individual projection planes acquired from the respective viewpoints to form a multi-viewpoint image for three-dimensional image display. | 03-26-2009 |
20090102916 | Structure of Stereoscopic Image Data, Stereoscopic Image Data Recording Method, Reproducing Method, Recording Program, and Reproducing Program - It is made possible to record stereoscopic image data of parallel-ray one-dimensional IP type in a format at a high compression rate with little image quality degradation. This stereoscopic image data can be efficiently decompressed and reproduced. A stereoscopic image data structure includes: a parallax component image data representing n or more parallax component images, each having accumulated pixels that cause the pixels to generate the parallel light rays in the same parallax direction in the viewing zone, and having different numbers of horizontal pixels. N combined images with the same numbers of vertical and horizontal pixels are a unit to be converted into a parallax interleaved image, the n combined images being formed by combining two or more parallax component images with parallax directions different from each other by n. | 04-23-2009 |
20090195642 | Three-dimensional image display device, three-dimensional image display method, and computer program product for three-dimensional image display - A three-dimensional image display device includes a two-dimensional image display screen having color filters in which each color is disposed on sub-pixels obtained by dividing one pixel in a vertical direction and same color is disposed on each column of sub-pixels; an optical plate having an exit pupil, the exit pupil being provided for making a viewing zone different for each pixel and having a longitudinal axis disposed as to be inclined from a vertical direction of the two-dimensional image display screen at a degree (θ) (θ≠0, −45°<θ<45°), the viewing zone being a region in which parallax information displayed on the two-dimensional image display screen is observed; and a viewing zone adjusting unit that adjusts the viewing zone by shifting the viewing zone in a horizontal direction of the two-dimensional image display screen by shifting the parallax information disposed on each pixel of the two-dimensional image display screen in the vertical direction by pixel. | 08-06-2009 |
20090309873 | THREE-DIMENSIONAL IMAGE DISPLAY DEVICE AND THREE-DIMENSIONAL IMAGE DISPLAY METHOD - 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. | 12-17-2009 |
20100033479 | APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT FOR DISPLAYING STEREOSCOPIC IMAGES - A stereoscopic image display apparatus includes a detecting unit that detects a position and an orientation direction of a handheld device that is positioned on or near three-dimensional display screen; a calculation processing unit that performs a calculation process for displaying a three-dimensional image in a position that is successive or close to the handheld device, based on the position and the orientation direction of the handheld device; and a display controlling unit that causes the three-dimensional image to be displayed as a conjunctive three-dimensional image in the position that is successive or close to the handheld device, based on a result of the calculation process performed by the calculation processing unit. | 02-11-2010 |
20100033556 | Three-Dimensional Image Display Device and Three-Dimensional Image Display Method - It is made possible to provide a three-dimensional image display device by which a viewing zone can be readily adjusted in the parallel-ray one-dimensional IP system, without 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 an elemental image; an optical plate that is placed to face the elemental image display unit, extends straightly in a vertical direction, and controls a light ray from the elemental image display unit, the optical plate having optical apertures arranged at intervals in a horizontal direction; and an image data converting unit that converts image data so as to replace missing image data with a neighboring parallax component in same the elemental image, based on the average width of elemental images in an input image data and the optimum average width of elemental images in a three-dimensional video image to be output. | 02-11-2010 |
20100110068 | METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR GENERATING STEREOSCOPIC IMAGE - A detecting unit detects at least one of a position and a posture of a real object located on or near a three-dimensional display surface. A calculating unit calculates a masked-area where the real object masks a ray irradiated from the three-dimensional display surface, based on at least one of the position and the posture. A rendering unit renders a stereoscopic image by performing different rendering processes on the masked-area from rendering processes on other areas. | 05-06-2010 |
20110032339 | THREE-DIMENSIONAL IMAGE DISPLAY METHOD AND APPARATUS - It is made possible to mitigate appearance of the strap-shaped disturbance image and shift to the side lobe naturally. The sense of incongruity for an image viewed in a transitional zone is reduced by performing interpolation processing between parallax information pieces displayed on pixels associated with adjacent exit pupils. | 02-10-2011 |
20110043615 | Stereoscopic display device and display method - 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 1/2 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. | 02-24-2011 |
20110187948 | STEREOSCOPIC IMAGE DISPLAY APPARATUS - Certain embodiments provide a display device a plurality of subpixels arranged in a first direction and a second direction perpendicular to the first direction to form a matrix, and each having an aperture provided with a color component; and an optical controller provided to be opposed to the display device having a plurality of rectilinear optical apertures extending in the second direction are arranged in the first direction. A shape pf the aperture in the subpixel is depending upon a condition that the apertures in the subpixels adjacent to each other in the first direction have a nonoverlapping region which is a nonoverlapping region in the second direction and a condition that an aperture ratio indicating a ratio of the aperture to the subpixel in length in the second direction is substantially constant in one line in the second direction irrespective of a position in the first direction. | 08-04-2011 |
20110211142 | 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. | 09-01-2011 |
20110242289 | DISPLAY APPARATUS AND STEREOSCOPIC IMAGE DISPLAY METHOD - Certain embodiments provide a display apparatus including: a selection unit configured to make a selection as to which image in images shot by which virtual cameras should be displayed on which subpixel based on the viewing position and the number of parallaxes which can be displayed; a generation unit configured to dispose the virtual camera on the coordinates of the virtual cameras in the CG space, shoot a drawing object in the CG space, and generate an elemental image based on a shot multiple viewpoint image and the selection result in the selection unit; a display unit configured to display a stereoscopic image based on the elemental image; and an optical plate configured to control light rays illuminated from the display unit to make it possible for the viewer to conduct stereoscopic viewing with a light ray interval which is wider than the shooting interval. | 10-06-2011 |
20110242456 | DISPLAY DEVICE - According to one embodiment, a display device includes a display unit and a drive circuit. The display unit includes a first display region to display a first image and a second display region to display a second image. The display unit includes a first support substrate, a second support substrate, and a liquid crystal layer. The second support substrate is disposed to oppose the first support substrate. The liquid crystal layer is interposed between the first support substrate and the second support substrate and is held by the first support substrate and the second support substrate. The drive circuit drives the display unit. | 10-06-2011 |
20120062556 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS, THREE-DIMENSIONAL IMAGE PROCESSOR, THREE-DIMENSIONAL IMAGE DISPLAY METHOD, AND COMPUTER PROGRAM PRODUCT - According to an embodiment, a three-dimensional image display apparatus includes a display unit; a detecting unit configured to detect an observation position of an observer relative to the display unit; a determining unit configured to determine an amount of parallax of an input image signal to be reduced as an angle increases between a normal direction of a surface of the display unit and an observation direction based on the detected observation position or as a distance decreases between the surface of the display unit and the detected observation position; and a generating unit configured to generate a multi-view image to be displayed on the display unit on the basis of the determined amount of parallax. | 03-15-2012 |
20120081358 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS AND IMAGE PROCESSING APPARATUS - A three-dimensional image display apparatus according to an embodiments includes: an optical plate being capable of controlling light arrays from pixels of a plane display device by using a plurality of optical openings; a specification unit configured to read parallax information of a plurality of pixel groups each including a plurality of pixels in the plane image display device associated with each of the plurality of optical openings, specify two pixels adjacent to a boundary of the plurality of pixel groups, determine one of the two specified pixels to be a first pixel, and determine the other of the two specified pixels to be a second pixel; a processing unit configured to process to mix parallax information of the first pixel with parallax information of the second pixel; and a conversion unit configured to convert parallax information obtained by the processing unit to an image for three-dimensional image display. | 04-05-2012 |
20120139911 | STEREOSCOPIC DISPLAY DEVICE AND DISPLAY METHOD - A stereoscopic display device of an embodiment includes a display device having pixels developing either one color of red, green and blue. A vertical period of pixel rows comprising 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 an average value of pitches of the elemental images is larger than a width of pieces of the pixels. | 06-07-2012 |
20120169731 | APPARATUS AND METHOD OF DISPLAYING THE THREE-DIMENSIONAL IMAGE - A three-dimensional image display apparatus displays element images each composed of a set of parallax component images. An exit pupil array is located opposite the display surface. Exit pupils of the array correspond to the respective element images. The horizontal pitch of the exit pupils or an integral multiple of the horizontal pitch is set equal or slightly smaller than an integral multiple of the horizontal pitch of pixels. The parallax component images are oriented in different directions via the exit pupil. Principal beams from the parallax component images via the exit pupils are emitted substantially parallel to one another. The element image contains substantially the same parallax image component in two pixel areas in which two adjacent parallax image components are otherwise displayed. The same parallax image component is oriented in different directions via the corresponding exit pupil. | 07-05-2012 |
20120182292 | APPARATUS AND METHOD FOR DISPLAYING STEREOSCOPIC IMAGES - According to an embodiment, a stereoscopic image displaying apparatus is configured to display a multi-viewpoint image. An acquirer acquires person data including a position of each of at least one person viewing a stereoscopic image, a calculator calculates a weight from (1) the person data and (2) display parameters, the weight representing a stereoscopic degree inferred, for each of the at least one person, from a multi-viewpoint image to be displayed in accordance with the display parameters, a determiner selects the display parameter based on the weights, and generates a multi-viewpoint image that accords with the display parameters selected, and a displaying device displays the generated image. | 07-19-2012 |
20120182611 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS - According to one embodiment, in a three-dimensional image display apparatus, a light-ray control unit is so arranged as to face a display unit. The light-ray control unit includes a plurality of optical apertures each having an extending direction. The optical apertures are substantially linearly extended along the extending direction and are substantially arranged in a direction normal to the extending direction. The extending direction is so inclined with respect to the second direction as to have an inclination angle which is selected within one of a first range from arctan(5+⅕) to arctan(5+⅖), a second range from arctan(5+⅗) to arctan(5+⅘), and a third range from arctan(6+⅕) to arctan(6+⅖). | 07-19-2012 |
20120229610 | STEREOSCOPIC IMAGE DISPLAY METHOD AND STEREOSCOPIC IMAGE DISPLAY APPARATUS - In a stereoscopic image imaging method which captures an image of an object to be displayed as a stereoscopic image, a three-dimensional image is generated in real time from multi-viewpoint images captured by a multi-camera, and is displayed on a viewer provided to the multi-camera, thus allowing a photographer to adjust an imaging condition. The photographer is informed of parameters, which implements a display state adjusted by an observer of a three-dimensional display while observing the three-dimensional image, via the viewer, and the photographer can capture appropriate multi-viewpoint images. | 09-13-2012 |
20120249530 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS - In an image display apparatus, the sub-pixel areas which are correspondingly assigned to the optical apertures are defined according to an observation position of a viewer, and the sub-pixel areas includes sub-pixel segments into which the sub-pixel positioned at a boundary between adjacent sub-pixel areas is separated. The sub-pixel segments correspond to the adjacent sub-pixel areas and are observed via adjacent optical openings. The sub-pixel display information obtained by mixing parallax information belonging to the adjacent sub-pixel areas is displayed in the sub-pixel including the adjacent sub-pixel segment. | 10-04-2012 |
20120293640 | THREE-DIMENSIONAL VIDEO DISPLAY APPARATUS AND METHOD - According to one embodiment, a three-dimensional video display apparatus includes a display, a calculator and a generator. The display displays a plurality of images with different viewpoints by using a plurality of light beam control elements to control light beams from pixels. The calculator calculates a quality of view for each of viewing positions with respect to the display based on a number of the light beam control elements causing pseudoscopy at each of the viewing positions. The generator generates a map indicating the quality of view for each of the viewing positions. | 11-22-2012 |
20130050594 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS - According to one embodiment, a three-dimensional image display apparatus includes a display unit and liquid crystal lenses. A plurality of sub-pixels may be arrayed in a matrix in a first direction and a second direction in the display unit. The liquid crystal lenses may be arrayed in the first direction at not more than a horizontal pitch p, which is expressed by: | 02-28-2013 |
20130050815 | THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS - According to an embodiment, there is provided a 3D image display apparatus provided with a display unit and a control element arranged to oppose the display unit. The control element has a number of optical apertures linearly extended and tilted at an angle θ with respect to a linearly extending direction. The sub-pixel have one of first and second patterns defined by an aperture and a light-shielding portion. The sub-pixels of an identical color are arrayed to alternately have the first and second patterns or the second and first patterns along the second direction, and the sub-pixels are arrayed so as to mutually give at least one of no line-symmetry relationship and no point-symmetry relationship. | 02-28-2013 |
20130286476 | IMAGE DISPLAY DEVICE - According to an embodiment, the display unit includes pixels, each pixel includes sub-pixels having different colors, arranged in a matrix in a first direction and in a second direction substantially orthogonal, to the first direction. The light beam controller faces the display unit, extends in a third direction making an angle smaller than 90° with the second direction, includes light beam control elements periodically arranged at a first pitch in the first direction and at a second pitch in the second direction, and can control direction of light beams from the display unit. The first and second pitches make a substantially equilateral triangle by Mining the nearest same-color sub-pixels. When “s” represents the number of the sub-pixels included in the pixels along the first direction, the first pitch is 5/s or greater of a third pitch of each pixel. | 10-31-2013 |