Formation of three-dimensional video sequences with a...

Details Formation of three-dimensional video sequences with a... Formation of three-dimensional video sequences with a...

2005-02-15

2005-02-15

Gregory, Bernarr E. (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S005010

Reexamination Certificate

active

06856382

ABSTRACT:
A method for generating a range image sequence from a scannerless range imaging system of the type comprising an illuminator for illuminating a scene with modulated illumination; an image modulating component for receiving and modulating the modulated illumination reflected from the scene; an image capture element for capturing images output by the image modulating component, including an image bundle of at least three phase offset images each incorporating a phase delay corresponding to the distance of objects in the scene from the illuminator, wherein each phase offset image of an image bundle also incorporates a phase offset distinct for each image. According to the method, a sequence of three or more phase offset images are acquired that correspond to the modulated illumination reflected from the scene, whereby the sequence contains overlapping subsequences of successive phase offset images, each subsequence forming an image bundle. A range image is then computed using the phase offset images from each corresponding image bundle, thereby forming a range image sequence.

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