Image-based rendering using image-based priors

  • Authors:
  • Andrew Fitzgibbon;Yonatan Wexler;Andrew Zisserman

  • Affiliations:
  • -;-;-

  • Venue:
  • ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
  • Year:
  • 2003

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Abstract

Given a set of images acquired from known viewpoints, wedescribe a method for synthesizing the image which wouldbe seen from a new viewpoint.In contrast to existing techniques,which explicity reconstruct the 3D geometry of thescene, we transform the problem to the reconstruction ofcolour rather than depth.This retains the benefits of geometricconstraints, but projects out the ambiquities in depthestimation which occur in textureless regions.On the other hand, regularization is still needed in orderto generate high-quality images.The paper's secondcontribution is to constrain the generated views to lie in thespace of images whose texture statistics are those of the inputimages.This amounts to a image-based prior on thereconstruction which regularizes the solution, yielding realisticsynthetic views.Examples are given of new viewgeneration for cameras interpolated between the acquisitionviewpoints-which enables synthetic steadicam stabilizationof a sequence with a high level of realism.