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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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 272 1 2 3 4 5 6 >