Absolute Scene 1987

Crime Scene or Event Scene?

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Auto-Calibration via the Absolute Quadric and Scene Constraints

A scheme is described for incorporation of scene constraints into the structure from motion problem. Specifically, the absolute quadric is recovered with constraints imposed by orthogonal scene planes. The scheme involves a number of steps. A projective reconstruction is first obtained, followed by a linear technique to form an initial estimate of the absolute quadric. A nonlinear iteration the...

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methodology is needed to integrate and exchange spatial and temporal properties in hyper-media and hypertext. We propose a generic framework to structure and dynamically present a new form of video-and text-based media called hypervideo. We developed a Hypervideo Engine and produced an experimental hypermedia work, HyperCafe, to illustrate the general properties and aesthetic techniques possibl...

Monocular 3D Scene Reconstruction at Absolute Scales by Combination of Geometric and Real-Aperture Methods

We propose a method for combining geometric and realaperture methods for monocular 3D reconstruction of static scenes at absolute scales. Our algorithm relies on a sequence of images of the object acquired by a monocular camera of fixed focal setting from different viewpoints. Object features are tracked over a range of distances from the camera with a small depth of field, leading to a varying...

Infective endocarditis 1937-1987.