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View synthesis using stereo vision

Image-based rendering, as an area of overlap between computer graphics and computer vision, uses computer vision techniques to aid in sythesizing new views of scenes. Image-based rendering methods are having a substantial impact on the field of computer graphics, and also play an important role in the related field of multimedia systems, for applications such as teleconferencing, remote instruction and surgery, virtual reality and entertainment. The book develops a novel way of formalizing the view synthesis problem under the full perspective model, yielding a clean, linear warping equation. It shows new techniques for dealing with visibility issues such as partial occlusion and "holes". Furthermore, the author thoroughly re-evaluates the requirements that view synthesis places on stereo algorithms and introduces two novel stereo algorithms specifically tailored to the application of view synthesis.

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  • "This thesis also contributes several novel stereo algorithms that are motivated by the specific requirements imposed by view synthesis. We introduce a new evidence measure based on intensity gradients for establishing correspondences between images. This measure combines the notions of similarity and confidence, and allows stable matching and easy assigning of canonical depth interpretations in image regions of insufficient information. We also present new diffusion-based stereo algorithms that are motivated by the need to correctly recover object boundaries. In particular, we develop a novel Bayesian estimation technique that significantly outperforms area-based algorithms using fixed-sized windows. We provide experimental results for all algorithms on both synthetic and real images."
  • "This thesis investigates the use of stereo vision for the application of view synthesis. View synthesis--the problem of creating images of a scene as it would appear from novel viewpoints--has traditionally been approached using methods from computer graphics. These methods, however, suffer from low rendering speed, limited achievable realism, and, most severely, their dependence on a global scene model, which typically needs to be constructed manually."
  • "Image-based rendering, as an area of overlap between computer graphics and computer vision, uses computer vision techniques to aid in sythesizing new views of scenes. Image-based rendering methods are having a substantial impact on the field of computer graphics, and also play an important role in the related field of multimedia systems, for applications such as teleconferencing, remote instruction and surgery, virtual reality and entertainment. The book develops a novel way of formalizing the view synthesis problem under the full perspective model, yielding a clean, linear warping equation. It shows new techniques for dealing with visibility issues such as partial occlusion and "holes". Furthermore, the author thoroughly re-evaluates the requirements that view synthesis places on stereo algorithms and introduces two novel stereo algorithms specifically tailored to the application of view synthesis."@en
  • "The new application of stereo for view synthesis makes it necessary to re-evaluate the requirements on stereo algorithms. We compare view synthesis to several traditional applications of stereo, and conclude that stereo vision is better suited for view synthesis than for applications requiring explicit 3D reconstruction. We also discuss ways of dealing with partially occluded regions of unknown depth and with completely occluded regions of unknown texture, and present experiments demonstrating that it is possible to efficiently synthesize realistic new views even from inaccurate and incomplete depth information."
  • "In this thesis, we present a new approach to view synthesis that avoids the above problems by synthesizing new views from existing images of a scene. Using an image-based representation of scene geometry computed by stereo vision methods, a global model can be avoided, and realistic new views can be synthesized quickly using image warping."

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  • "Llibres electrònics"
  • "Electronic books"@en
  • "Online resources"@en
  • "Online-Publikation"

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  • "View Synthesis Using Stereo Vision"
  • "View synthesis using stereo vision"@en
  • "View synthesis using stereo vision"@it
  • "View synthesis using stereo vision"

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