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7616807 |
System and method for using texture landmarks for improved markerless tracking in augmented reality applications
A method of tracking a pose of a moving camera includes receiving a first image from a camera, receiving a sequence of digitized images from said camera, recording, for each of said sequence of...
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7609860 |
Bilinear illumination model for robust face recognition
A method recognizes a face in an image. A morphable model having shape and pose parameters is fitted to a face in an image to construct a three-dimensional model of the face. Texture is extracted...
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7609859 |
Method and system for generating bi-linear models for faces
A method generates a three-dimensional, bi-linear, illumination model for arbitrary faces. A large number of images are acquired of many different faces. For each face, multiple images are acquired...
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7606392 |
Capturing and processing facial motion data
Capturing and processing facial motion data includes: coupling a plurality of sensors to target points on a facial surface of an actor; capturing frame by frame images of the plurality of sensors...
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7605817 |
Determining camera motion
Camera motion is determined in a three-dimensional image capture system using a combination of two-dimensional image data and three-dimensional point cloud data available from a stereoscopic,...
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7596259 |
Image generation system, image generation method, program, and information storage medium
An image generation system includes a first image generation section for generating images IL 1 and IR 1 for the left eye and the right eye, a second image generation section for generating...
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7570791 |
Method and apparatus for performing 2D to 3D registration
A method and apparatus for performing 2D to 3D registration includes an initialization step and a refinement step. The initialization step is directed to identifying an orientation and a position...
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7565029 |
Method for determining camera position from two-dimensional images that form a panorama
A method of estimating three-dimensional camera position information from a series of two-dimensional images that form a panorama employs common features in adjoining image pairs in the series to...
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7558420 |
Method and apparatus for generating a stereographic image
In a 3D image generating apparatus 1 depth values (Z-value) of pixels are calculated on the basis of grayscale values of 2D image data. Next, a reverse determination, smoothing, distribution...
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7557824 |
Method and apparatus for generating a stereoscopic image
A method of generating a stereoscopic image is disclosed. The method includes defining at least two, three or more regions in a scene representing a region of interest, a near regions and/or a far...
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7555494 |
Reproducing a moving image in a media stream
A method and apparatus for reproducing metadata provides a data structure in which metadata whose preferential reproduction is desired can be selected and reproduced. The metadata relevant to a...
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7538782 |
Image processing apparatus and method, and calibration device for position and orientation sensor
A three-dimensional CG manipulation apparatus has a real object, a position and orientation sensor provided to the real object, a support base, a position and orientation sensor provided to the...
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7529431 |
Method and device for reconstructing and representing multidimensional objects from one-dimensional or two-dimensional image data
The method/device reconstructs/represents multidimensional objects from one- or two-dimensional image data based on recordings of one- or two-dimensional partial image areas, wherein...
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7508978 |
Detection of grooves in scanned images
A system and method locate a central groove in a document such as a book, magazine, or catalog. In one implementation, scores are generated for points in a three-dimensional image that defines a...
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7508977 |
Image processing apparatus
A method of generating model data representative of a model in a three-dimensional space of an object from input signals representative of a set of images of the object taken from a plurality of...
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7489809 |
Interactive virtual endoscopy
The invention relates to a method for processing of a three-dimensional image data set, wherein the three-dimensional image data set is converted to a data set suitable for a two-dimensional image...
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7487063 |
Three-dimensional modeling from arbitrary three-dimensional curves
The present invention relates to a method and a system for creating three-dimensional models of objects from sets of arbitrary three-dimensional entities obtained from target surfaces. It also...
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7486837 |
Method, device, and program for image conversion, method, device and program for texture mapping, and server-client system
A plurality of parameters included in a predetermined illumination equation which defines a brightness are acquired for each pixel of an image. For each of the parameters, a homogeneous region...
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7485041 |
Program for projecting an image onto a character in a game, game machine incorporating the program, and storage medium having the program stored thereon
A program for pasting a predetermined image onto a character of a game in a game machine. The program enables a user to create an image consisting of two-dimensional coordinates and to arrange the...
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7483590 |
Image processing apparatus and image processing method for non-planar image, storage medium, and computer program
Such processes as compression, storage and reproduction of an image mapped on a three-dimensional coordinate system such as a spherical surface or a cylindrical surface are performed suitably by...
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7480398 |
Method of registering a sequence of 2D image data with 3D image data
The present invention relates to a method for registration of a sequence of 2D image data ( 5 ) of a hollow channel ( 2 ), in particular of a vessel, recorded with an imaging endoluminal instrument...
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7474803 |
System and method of three-dimensional image capture and modeling
System and method for constructing a 3D model of an object based on a series of silhouette and texture map images. In the exemplary embodiment an object is placed on a rotating turntable and a...
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7463772 |
De-warping of scanned images
A system includes a stereoscopic camera to generate images of a document, such as a book, that can be converted to a three-dimensional contour of the document. A second camera take a...
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7457451 |
Systems, methods and apparatus for specialized filtered back-projection reconstruction for digital tomosynthesis
Systems, methods and apparatus are provided through which in one aspect, a three-dimensional (3D) image of an object is constructed from a plurality of two-dimensional (2D) images of the object...
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7452275 |
Game device, game controlling method and program
A positional relationship between image capturing means and a player is properly adjusted before a game is started. An image of a player P is captured by a camera unit 42 , and from this image the...
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7450736 |
Monocular tracking of 3D human motion with a coordinated mixture of factor analyzers
Disclosed is a method and system for efficiently and accurately tracking three-dimensional (3D) human motion from a two-dimensional (2D) video sequence, even when self-occlusion, motion blur and...
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7437021 |
Image processing device and method
An image processing apparatus and method which can achieve a reduction in size of the crossbar circuit and achieve a higher speed of processing, which perform DDA processing (ST 11 ), then read out...
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7436411 |
Apparatus and method for rendering a video image as a texture using multiple levels of resolution of the video image
A method and apparatus to generate one or more graphics textures of a video image, wherein graphics textures have differing resolutions, and to render the video image as a graphics texture using...
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7430322 |
Particle shape characterization from 2D images
The size distributions corresponding to the three-dimensional (3D) shapes of particles are estimated from a 3D-to-2D projection matrix and a two-dimensional (2D) image of the particles that is...
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7428469 |
Three-dimensional-information detecting system and three-dimensional-information inputting device
A three-dimensional-information detecting system includes a switching portion that sequentially selects sensor coils of a three-dimensional-information detecting device. Electromagnetic coupling is...
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7427334 |
Method and apparatus for encoding substrates with information
The present invention provides methods and apparatus to encode substrates (e.g., paper, synthetics, etc.) with information. In one implementation a method is provided including: receiving data that...
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7426304 |
Method and device for three-dimensional graphics to two-dimensional video encoding
A method and device for three-dimensional graphics to two-dimensional video encoding. A three-dimensional model representing at least one three-dimensional object is received. The three-dimensional...
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7426292 |
Method for determining optimal viewpoints for 3D face modeling and face recognition
A method determines an optimal set of viewpoints to acquire a 3D shape of a face. A view-sphere is tessellated with a plurality of viewpoint cells. The face is at an approximate center of the...
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7425952 |
Three-dimensional visualization architecture
A virtual terrain architecture and computer program product for employing a geocentric coordinate system, using a tessellated three-dimensional shape for representing a celestial body, and mapping...
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7421151 |
Estimation of coefficients for a rational polynomial camera model
One aspect of the invention is embodied in a number of machine-readable media having stored thereon sequences of instructions which, when executed by a machine, cause the machine to perform a...
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7412115 |
Image processing device and method thereof
An image processing device and a method thereof. The image processing device includes a mapper to map a two-dimensional plane of an input image into a three-dimensional vector surface, a...
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7403650 |
System for simultaneous projections of multiple phase-shifted patterns for the three-dimensional inspection of an object
A three-dimensional image grabber allowing for the simultaneous projection of multiple phase-shifted patterns onto an object, and the simultaneous acquisition of multiple images of these...
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7400331 |
Apparatus and methods for texture mapping
The invention provides texture mapping techniques that facilitate interactive painting of a three-dimensional virtual surface by a user in object space, without requiring global parameterization....
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7388973 |
Systems and methods for segmenting an organ in a plurality of images
A system for segmenting an organ in a plurality of images is described. The system includes an imaging system configured to generate a first set of slices showing images of a subject having the...
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7379584 |
Methods for registration of three-dimensional frames to create three-dimensional virtual models of objects
A method and system are provided for constructing a virtual three-dimensional model of an object using a data processing system, and at least one machine-readable memory accessible to said data...
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7376284 |
System, computer program and method for 3D object measurement, modeling and mapping from single imagery
A method for deriving three-dimensional measurement information and/or creating three-dimensional models and maps, from single images of at least one three-dimensional object is provided. In...
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7369694 |
Method and medical device for the automatic determination of coordinates of images of marks in a volume dataset
In a method and medical device for determining the coordinates of images of marks in a volume dataset, the marks are disposed on the surface of a subject, and the volume dataset represents the...
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7369137 |
Method for mapping a single decoded content stream to multiple textures in a virtual environment
A system includes a computing device to obtain encoded content data corresponding to at least one participant of a virtual reality environment. A memory device stores at least one texture...
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7365326 |
Camera having distortion correction
A lightweight camera is provided that includes a lightweight lens system that has a reduced number of lenses. Reducing the number of lenses produces a lighter camera, but produces a distorted local...
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7355604 |
Image rendering method and image rendering apparatus using anisotropic texture mapping
An image rendering method includes generating pixels in accordance with graphic information, determining a direction of anisotropy of a footprint obtained by projecting the pixel on a texture on...
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7348989 |
Preparing digital images for display utilizing view-dependent texturing
A computer program embodied on a computer-readable medium, a computer readable medium storing computer-executable instructions, and a computer data signal embodied in a carrier wave, all for...
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7333651 |
Method and apparatus for measuring similarity using matching pixel count
A stereo disparity between a reference image and a search image for a reference pixel in the reference image is determined by (a) calculating a similarity measure between a reference window...
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7327363 |
Image processing apparatus, and computer program
When volume data of a three-dimensional object to be processed is read and stored into a predetermined storage, first, a plurality of reference planes are set and a plurality of reference distance...
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7324688 |
Face relighting for normalization of directional lighting
A method determines a direction of a principal light source in an image. An input image I is acquired of an object illuminated by a principal light source from an unknown direction. The input image...
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7324663 |
Flight parameter measurement system
A portable flight parameter measurement system is a standalone smart camera which tracks the surface of an object in motion, e.g., a ball, and determines speed, trajectory, a spin axis, and a spin...
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