Detecting the spatial structure of natural textures based on shape analysis
β Scribed by Jia-Guu Leu
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 92 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0734-189X
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β¦ Synopsis
Methods are developed for producing 3-dimensional displays of anisotropic data arising from a series of limited-view computed tomograms. Volume data are formed by stacking Zdimensional images reconstructed by projections from as few as three angles. We specify a slab of the volume from which parallel-ray projection images are produced. Two reprojection images are made in directions separated by a small angle. These form a stereo pair and when viewed together give an illusion of depth (3D display). By taking viewing angles near the angles used for the initial (data) projections, a few sharp, 3dimensional views into the volume are obtained despite the anisotropy of the reconstruction. Also it is shown how image quality varies with the angle of view and thickness of the region.
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