System and method for directly estimating three-dimensional stru

Details System and method for directly estimating three-dimensional stru System and method for directly estimating three-dimensional stru

1998-01-30

2000-04-18

Powell, Mark R.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

382107, 382154, 382236, 382285, G06K 900

Patent

active

060521244

ABSTRACT:
A scene reconstruction system generates a reconstruction of at least one feature of at least one three-dimensional object in a scene from three two-dimensional views as recorded from a plurality of diverse locations. The scene reconstruction system includes a motion parameter generator, a dense depth map generator, and a scene reconstructor. The motion parameter generator generates in response to gradients in image intensity values at respective points in a first view and temporal derivatives of image intensity values as between second and third views and the first view values for motion parameters representing as between a first view recordation location for the first view, and view recordation locations for the second and third views. The dense depth map generator generates a dense depth map in response to the values for the motion parameters, gradients in image intensity values at respective points in a first view and temporal derivatives of image intensity values as between second and third views and the first view, the dense depth map representing for each point in the first view the depth of a corresponding point in the scene. The scene reconstructor uses the dense depth map in generating a reconstruction of the at least one feature.

REFERENCES:
patent: 5109425 (1992-04-01), Lawton

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