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Image-based rendering using image-based priors

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3 Author(s)
Fitzgibbon, A. ; Eng. Sci., Oxford Univ., UK ; Wexler, Y. ; Zisserman, A.

Given a set of images acquired from known viewpoints, we describe a method for synthesizing the image which would be seen from a new viewpoint. In contrast to existing techniques, which explicitly reconstruct the 3D geometry of the scene, we transform the problem to the reconstruction of colour rather than depth. This retains the benefits of geometric constraints, but projects out the ambiguities in depth estimation which occur in textureless regions. On the other hand, regularization is still needed in order to generate high-quality images. The paper's second contribution is to constrain the generated views to lie in the space of images whose texture statistics are those of the input images. This amounts to an image-based prior on the reconstruction which regularizes the solution, yielding realistic synthetic views. Examples are given of new view generation for cameras interpolated between the acquisition viewpoints - which enables synthetic steadicam stabilization of a sequence with a high level of realism.

Published in:

Computer Vision, 2003. Proceedings. Ninth IEEE International Conference on

Date of Conference:

13-16 Oct. 2003