Patent application number | Description | Published |
20080211806 | RENDERING APPARATUS, RENDERING PROCESSING METHOD AND COMPUTER PROGRAM PRODUCT - A setup section acquires vertex data including at least homogeneous coordinate and window coordinate relevant to two vertexes of rendering primitive, that is, segment. An edge coefficient calculation unit calculates an edge coefficient used for determining whether or not a pixel exists inside a projection area (parallelogram) of the segment. A bounding box calculation unit calculates a bounding box of the projection area from at least one vertex data of two vertexes and the edge coefficient. A start point determination unit classifies the projection area based on a combination of the edge coefficient, and determines scan start point and scan performing direction of the bounding box in accordance with the classification. An edge function initial value determination unit determines an edge function of the pixel corresponding to the scan start point as an initial value, and carries out a DDA, and thereby, generates setup data for rasterizing. | 09-04-2008 |
20090016429 | VIDEO RENDERING APPARATUS AND METHOD AND PROGRAM - Apparatus includes unit storing CG data containing data about coordinate transformation, camera, geometry, light source, and texture, unit transforming coordinate system of CG data into camera-coordinate system, unit calculating intersections of object and ray vectors passing through sampled points, unit calculating 3D motion vectors, unit calculating color values at intersections, unit assigning object IDs of intersections at 3D coordinates to intersections, unit projecting intersections and 3D motion vectors onto plane, and calculating 2D coordinates at intersections and 2D motion vectors at intersections, unit storing 2D coordinates, 2D motion vectors, color values, and object IDs together as low-resolution video data, unit calculating intermediate-resolution video data by superimposing low-resolution video data of current frame onto low-resolution video data of frames temporally different from current frame, unit calculating high-resolution video data by filtering intermediate-resolution video data, unit storing high-resolution video data, and unit presenting high-resolution video data. | 01-15-2009 |
20090309898 | RENDERING APPARATUS AND METHOD - The rendering parameters including the position coordinate, the color information and the transparency in a vector definition space are calculated for each pixel occupied by a curved surface model projected on a screen. Plural primitive data are generated and stored from the vector data. By judging whether the plural primitive data include the position coordinate or not, a rendering judgment variable is determined, and in the case where the rendering judgment variable is added an odd number of times, the raster data of the pixel corresponding to the position coordinate is generated based on the rendering parameters. | 12-17-2009 |
20100245350 | STEREOSCOPIC IMAGE DRAWING APPARATUS AND DRAWING METHOD - It is made possible to prevent picture quality degradation in both the distant view and the close view. According to an aspect of the present invention, a multiple viewpoint image is synthesized from two single viewpoint images of the distant view and close view generated beforehand. | 09-30-2010 |
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 |
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 |
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 |
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 |
20120327198 | IMAGE PROCESSING SYSTEM, APPARATUS, AND METHOD - An image processing system according to an embodiment includes a stereoscopic display device, a transform unit, an image generating unit, and a display control unit. The transform unit reduces or enlarges volume data which is three-dimensional (3D) image data such that among scales of a stereoscopic image assumed to be displayed on the stereoscopic display device using a parallax image group obtained from the volume data, a scale in a depth direction on a display surface of the stereoscopic display device is substantially the same as a scale in another direction which is a direction other than the depth direction. The image generating unit generates a parallax image group by performing a rendering process on transformed volume data. The display control unit causes the parallax image group to be displayed on the stereoscopic display device. | 12-27-2012 |
20140028669 | SYSTEM, APPARATUS, AND METHOD FOR IMAGE PROCESSING - According to one embodiment, an image processing system includes a stereoscopic display device and an image processing apparatus. The stereoscopic display device is configured to enable a stereoscopic image constituted by using a predetermined parallax number of parallax images to be stereoscopically viewed. The image processing apparatus comprises a rendering processor configured to apply rendering processing to volume data serving as three-dimensional medical image data, a rendering processing controller configured to control the rendering processor so as to generate from the volume data a parallax image group composed of the predetermined parallax number or more of parallax images, and a storage controller configured to store in a memory the parallax image group generated by the rendering processor. The stereoscopic display device is configured to display the stereoscopic image constituted by selecting the predetermined parallax number of parallax images out of the parallax image group stored in the memory. | 01-30-2014 |
20140035910 | MEDICAL IMAGE PROCESSING SYSTEM, MEDICAL IMAGE PROCESSING APPARATUS, MEDICAL IMAGE DIAGNOSIS APPARATUS, AND MEDICAL IMAGE PROCESSING METHOD - A medical image diagnosis system according to an embodiment includes a determining unit, a rendering processing unit, and an output unit. The determining unit is configured to, based on information related to a stereoscopic function of a display unit connected to an output target apparatus serving as an output target, determine a parallax image number of images that are for realizing a stereoscopic view and are to be displayed by the display unit. The rendering processing unit is configured to generate rendering images corresponding to the parallax image number, by performing a rendering process on volume data that represents three-dimensional medical images. The output unit is configured to output the rendering images corresponding to the parallax image number to the output target apparatus, as the images that are for realizing the stereoscopic view and are to be simultaneously displayed by the display unit. | 02-06-2014 |
20140168394 | IMAGE PROCESSING DEVICE, STEREOSCOPIC IMAGE DISPLAY, AND IMAGE PROCESSING METHOD - According to an embodiment, an image processing device includes an acquirer, a calculator, and a display controller. The acquirer is configured to acquire a three-dimensional coordinate value that indicates a position of a viewer. The calculator is configured to, using the three-dimensional coordinate value, calculate a reference coordinate value that indicates a position of the viewer in a reference plane that includes a visible area within which the viewer is able to view a stereoscopic image. The display controller is configured to control a display, which displays the stereoscopic image for which the visible area is different for each different height, so as to display information corresponding to the reference coordinate value. | 06-19-2014 |
20140313199 | IMAGE PROCESSING DEVICE, 3D IMAGE DISPLAY APPARATUS, METHOD OF IMAGE PROCESSING AND COMPUTER-READABLE MEDIUM - A 3D image display apparatus according to embodiments is capable of displaying a 3D image. The apparatus may comprises a display, a quantization unit, a sub-pixel selector, a ray calculator, a brightness calculator, and a sub-pixel brightness generator. The display may have a display panel of which a plurality of sub-pixels are arranged on a surface and an optical aperture opposed to the display panel. The quantization unit may divide the surface of the display panel into areas. The selector may select one or more sub-pixels corresponding to each area to make a sub-pixel group. The ray calculator may calculate a ray number indicating a direction of a representative ray representing rays emitted from each sub-pixel group. The brightness calculator may calculate a brightness value corresponding to each ray number based on the direction of the representative ray and a model data figuring a 3D shape of an object. The sub-pixel brightness generator may generate the 3D image by determining a brightness value of the sub-pixels included in each sub-pixel group based on the brightness value. | 10-23-2014 |
20140327749 | IMAGE PROCESSING DEVICE, STEREOSCOPIC IMAGE DISPLAY DEVICE, AND IMAGE PROCESSING METHOD - According to an embodiment, an image processing device includes an obtainer, a determiner, a controller, and a generator. The obtainer obtains a position of an object to be observed in volume data of a medical image. The determiner determines a region of interest by using the position of the object and an instructed region inputted by a user in the volume data so that the region of interest includes at least part of the object. The controller controls a relation between the region of interest and a display range that indicates a range allowed to be displayed stereoscopically on a display. The generator generates a stereoscopic image of the volume data according to the relation between the region of interest and the display range. | 11-06-2014 |
20140340400 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, AND STEREOSCOPIC IMAGE DISPLAY DEVICE - According to an embodiment, an image processing device includes a receiver, a determiner, and a generator. The receiver is configured to receive a three-dimensional position in a coordinate system of three-dimensional data including an object. The determiner is configured to determine placement of a three-dimensional pointer having a first 3D shape and a second 3D shape positioned around the first 3D shape so that a position of the first 3D shape corresponds to the received three-dimensional position. The generator is configured to generate a stereoscopic image representing the three-dimensional pointer and the object. | 11-20-2014 |
20140354774 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, STEREOSCOPIC IMAGE DISPLAY DEVICE, AND ASSISTANT SYSTEM - According to an embodiment, an image processing device is connected to an observation device to observe an object optically. The image processing device includes an acquirer and a generator. The acquirer is configured to acquire a volume data including frames of section image data of the object and information indicating the focal position of the observation device. The generator is configured to perform rendering of the volume data from a plurality of viewpoints to generate a stereoscopic image in such a way that a region of attention in the stereoscopic image has an amount of parallax equal to or smaller than a predetermined threshold value, where the region of attention corresponds to the focal position of the observation device. | 12-04-2014 |