Reconstruction of intermediate views from stereoscopic images using a rational filter

Multimedia and virtual reality systems give the user the illusion of three-dimensional contact. Unsurprisingly, this requires the transmission of more data than the monocular case. To bring participants together in a virtual space, or to allow a user to "see around" a 3-D object it is nece...

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Bibliographic Details
Published inProceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269) Vol. 2; pp. 627 - 631 vol.2
Main Authors Pagliari, C.L., Perez, M.M., Dennis, T.J.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1998
Subjects
Cameras
Codecs
Filters
Image generation
Image reconstruction
Interpolation
Multimedia systems
Nonlinear distortion
Systems engineering and theory
Virtual reality
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Summary:Multimedia and virtual reality systems give the user the illusion of three-dimensional contact. Unsurprisingly, this requires the transmission of more data than the monocular case. To bring participants together in a virtual space, or to allow a user to "see around" a 3-D object it is necessary to synthesise intermediate views from a stereoscopic image pair or sequence. In a stereo/video coding scheme, a block-based disparity map is usually coded and transmitted. This format is economic in computation and transmission, but likely to cause artifacts on any reconstructed intermediate view. To minimise the distortion of the reconstructed intensities, a nonlinear interpolator, which uses the single disparity available to each block of the image, generates a full-sized map that partially preserves original disparity edge information, producing a sharper intermediate view. The identification of occluded and non-occluded areas is also used to aid the intermediate view reconstruction.
ISBN:0818688211
9780818688218
DOI:10.1109/ICIP.1998.723552