Abstract: An individual authentication information output apparatus, connectable to a plurality of information processing systems through a network, includes an input section for receiving an input from a user; an individual authentication section for outputting an individual authentication result of the user based on the input from the user; a specification section for specifying at least an information processing system selected by the user among the plurality of information processing systems; a database for managing individual authentication information in association with the individual authentication result provided by the individual authentication section and a specification result provided by the specification section; and a database access section for, based on the individual authentication result provided by the individual authentication section and the specification result provided by the specification section, reading the individual authentication information associated therewith, and outputting the read in

Abstract: The invention provides a range finder capable of carrying out three-dimensional measurement stably for a long period of time. A light pattern is projected on a subject by using a light source array unit in which a plurality of light sources, such as LEDs, are arranged. Even when each LED has a small light quantity, a sufficiently large quantity of light can be projected on the subject by the entire light source array unit, and hence, the three-dimensional measurement can be stably carried out. Also, a plurality of light patterns can be generated by electrically controlling a light emitting state of each LED of the light source array unit.

Abstract: The stereoscopic CG image generating apparatus and a stereoscopic. TV apparatus, has a projection transformation section which, based on three-dimensional structural information describing a three-dimensional shape of an object, generates a plurality of two-dimensional projection models as viewed from a plurality of viewpoints, a distance information extraction section which generates a camera-to-object distance information used for calculations in the projection transformation section, and a camera parameter determining section which, based on the output of the distance information extraction section, the screen size of a stereoscopic image display device for displaying finally generated two-dimensional projection models, and a viewer's viewing distance, determines camera parameters so that stereoscopic CG images will be brought within the viewer's binocular fusional range.

Abstract: The stereoscopic CG image generating apparatus and a stereoscopic TV apparatus, has a projection transformation section which, based on three-dimensional structural information describing a three-dimensional shape of an object, generates a plurality of two-dimensional projection models as viewed from a plurality of viewpoints, a distance information extraction section which generates a camera-to-object distance information used for calculations in the projection transformation section, and a camera parameter determining section which, based on the output of the distance information extraction section, the screen size of a stereoscopic image display device for displaying finally generated two-dimensional projection models, and a viewer's viewing distance, determines camera parameters so that stereoscopic CG images will be brought within the viewer's binocular fusional range.

Abstract: The stereoscopic CG image generating apparatus and a stereoscopic TV apparatus, has a projection transformation section which, based on three-dimensional structural information describing a three-dimensional shape of an object, generates a plurality of two-dimensional projection models as viewed from a plurality of viewpoints, a distance information extraction section which generates a camera-to-object distance information used for calculations in the projection transformation section, and a camera parameter determining section which, based on the output of the distance information extraction section, the screen size of a stereoscopic image display device for displaying finally generated two-dimensional projection models, and a viewer's viewing distance, determines camera parameters so that stereoscopic CG images will be brought within the viewer's binocular fusional range.

Abstract: The stereoscopic CG image generating apparatus and a stereoscopic TV apparatus, has a projection transformation section which, based on three-dimensional structural information describing a three-dimensional shape of an object, generates a plurality of two-dimensional projection models as viewed from a plurality of viewpoints, a distance information extraction section which generates a camera-to-object distance information used for calculations in the projection transformation section, and a camera parameter determining section which, based on the output of the distance information extraction section, the screen size of a stereoscopic image display device for displaying finally generated two-dimensional projection models, and a viewer's viewing distance, determines camera parameters so that stereoscopic CG images will be brought within the viewer's binocular fusional range.

Abstract: A stereoscopic computer graphics (CG) moving image generating apparatus includes a projection transformation section for generating a two-dimensional projection image as viewed from a camera using three-dimensional structural information of a subject; rendering sections for calculating a viewable image from the output of the projection transformation section; a camera sequence generating section for generating camera parameters defining projection transformation in the projection transformation section and capable of generating a moving image by varying the same; a motion calculating section for calculating the motion and/or motion parallax of a displayed subject using at least one of the three-dimensional structural information, the output of the projection transformation section, the output of the rendering sections, and the output of the camera sequence generating section; and a camera parameter correcting section for automatically or manually correcting the camera parameter so that the motion and/or motio

Abstract: The stereoscopic CG image generating apparatus and a stereoscopic TV apparatus, has a projection transformation section which, based on three-dimensional structural information describing a three-dimensional shape of an object, generates a plurality of two-dimensional projection models as viewed from a plurality of viewpoints, a distance information extraction section which generates a camera-to-object distance information used for calculations in the projection transformation section, and a camera parameter determining section which, based on the output of the distance information extraction section, the screen size of a stereoscopic image display device for displaying finally generated two-dimensional projection models, and a viewer's viewing distance, determines camera parameters so that stereoscopic CG images will be brought within the viewer's binocular fusional range.

Abstract: A multi-viewpoint image transmission and display method is characterized by that in transmitting images with two or more viewpoints, distance or parallax limits in the images are appended for transmission so that the images can be brought within a fusing range, and the images are displayed by considering the transmitted distance or parallax limits and the fusing range.

Abstract: A real-time range finder comprising light sources 12 and 13 for composing a plurality of light beams having different wavelength characteristics and sweeping the traveling direction of the composite light and either the wavelength or intensity of the light; a plurality of optical filters 15 and 16 for introducing light beams corresponding to wavelength characteristics of the plural light beams to charge-coupled devices; the charge coupled devices 20 and 21 arranged in accordance with the plural optical filters, respectively; a distance calculation unit 26 for calculating, from pixel values of image data obtained from the charge-coupled devices and from the sweep start time of the light sources, a time at which light is incident on the pixels, and calculating a distance to the subject. With such this finder, it is possible to measure a distance at real-time with a simple structure while using normal photo sensors which are not provided with time measurement functions.

Abstract: The stereoscopic CG image generating apparatus and a stereoscopic TV apparatus, has a projection transformation section which, based on three-dimensional structural information describing a three-dimensional shape of an object, generates a plurality of two-dimensional projection models as viewed from a plurality of viewpoints, a distance information extraction section which generates a camera-to-object distance information used for calculations in the projection transformation section, and a camera parameter determining section which, based on the output of the distance information extraction section, the screen size of a stereoscopic image display device for displaying finally generated two-dimensional projection models, and a viewer's viewing distance, determines camera parameters so that stereoscopic CG images will be brought within the viewer's binocular fusional range.

Abstract: Binocular parallax of a captured image is detected, and image pickup cameras are controlled so that their optic axes converge at an optimum point to ensure that the parallax of the captured image comes within the binocular fusing range of a viewer. Further, an optimum fixating point is calculated that enables the viewer to perceive the stereoscopic depth of the object over the widest possible range, and control is performed so that the fixating point is reproduced at a surface of a stereoscopic image display or at a designated distance from the surface. This suppresses the unnatural feel when the viewer views stereoscopic images.

Abstract: An apparatus for printing image data prints image data on a lens array having a plurality of lenses arranged along a first direction. The apparatus includes: an image data generating section for generating image data; a head having a plurality of printing elements arranged along a second direction, the head driving each of the plurality of printing elements in accordance with the image data; a conveying section for conveying the lens array relative to the head; and a first pinion and a second pinion which are arranged along the second direction. The first pinion and the second pinion each have a rotation axis parallel to the second direction. The lens array has a first rack extending along the first direction and a second rack extending along the first direction. The first pinion engaging with the first rack of the lens array and the second pinion engaging with the second rack of the lens array.

Abstract: The orientation of an image display device is maintained fixed relative to the viewer, the image display device is enclosed in a transparent body, and by detecting rotation angles of the image display device with respect to the transparent body, an image that is to be viewed when the transparent body is held in a hand or the like is displayed on the image display device, thereby enabling the viewer to view a displayed object from any desired direction as if he is holding the object in his hand.

Abstract: Binocular parallax of a captured image is detected, and image pickup cameras are controlled so that their optic axes converge at an optimum point to ensure that the parallax of the captured image comes within the binocular fusing range of a viewer. Further, an optimum fixating point is calculated that enables the viewer to perceive the stereoscopic depth of the object over the widest possible range, and control is performed so that the fixating point is reproduced at a surface of a stereoscopic image display or at a designated distance from the surface. This suppresses the unnatural feel when the viewer views stereoscopic images.

Abstract: In an apparatus for examining gaze shift in depth direction, light emitting diodes B and E, or D and C are lit at a plurality of positions with different distance in depth direction from the subject, and eye movement of the subject at that time is detected by an eye movement detecting portion. The signal of detection is processed in a signal processing circuit and is applied to a calculating portion. The calculating portion determines whether or not there is a disorder in gaze shift in depth direction of the subject by using any or all of latency in eye movement, time constant, amplitude, change in convergence angle, number of occurrence of saccade, and asymmetry of left and right eye movements, in response to the detected output of the eye movement.

Abstract: A target is presented on a board for calculation, eye movement of a subject while he is gazing at the target is detected by an eye movement detecting portion, the output of which is converted into a digital signal in a signal processing circuit and it is applied to a calculating portion. The calculating portion calculates small involuntary movement data in response to the input digital signal to find a value of a fractal dimension and time dependence of the fractal dimension to determine a disease related to brain function, and the output of determination is provided from an output portion such as a printer.

Abstract: An image at a distant point and an image at a close point for generating depth perception of a subject are displayed on an image display monitor, and eye movement of the subject at that time is detected by an eye movement detecting portion. A calculating portion removes saccade component by using velocity or acceleration of the detected eye movement and calculates amplitude of vergence eye movement, change in convergence angle and cross-correlation of velocity or acceleration of the left and right eye movement to determine depth perception of the subject.

Abstract: When eye movement of a subject is detected by an eye movement detecting portion and head movement of the subject is detected by a head movement detecting portion, a line-of-sight calculating portion calculates the line-of-sight according to the detected outputs therefrom. A portion for generating an image to be presented generates an image as a task and presents the image to a task presenting portion. When a fixation point of the line-of-sight of the subject is determined by a fixation point determining portion, a mask image generated by a masking image generating portion is inserted to the task image by an image synthesizing portion, and it is presented at the task presenting portion. A portion for determining degree of advance of dementia determines degree of advance and possibility of Alzheimer's disease based on the particular movement of the line-of-sight of the subject at that time and on the percentage of correct answer to a prescribed task.

Abstract: A motion vector detector divides an image of an inputted image signal into a plurality of regions so as to calculate motion vectors at the regions, respectively, a characteristics detector then detects characteristics of the motion vectors, or of calculation data of the motion vectors, so as to detect a state in which a number of points having close correlation exist in the image, a vector control and decision unit then determines, when the characteristics detector has detected the state, some of the motion vectors at one of the regions free from the state so as to select a motion vector of the image signal from the some of the motion vectors by neglecting the remaining motion vectors at the remaining regions in the state, an image stabilizer may then be used to correct sway of an outputted image.