tag:blogger.com,1999:blog-6141980.post8781172310060929247..comments2024-03-20T12:28:35.004-05:00Comments on Nuit Blanche: Leonardo's HeartIgorhttp://www.blogger.com/profile/17474880327699002140noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-6141980.post-2338185194826176782011-10-15T02:22:52.021-05:002011-10-15T02:22:52.021-05:00Dick,
I sent you a private e-mail.
IgorDick,<br /><br />I sent you a private e-mail.<br /><br />IgorIgorhttps://www.blogger.com/profile/17474880327699002140noreply@blogger.comtag:blogger.com,1999:blog-6141980.post-8894656478114525402011-10-14T20:24:53.677-05:002011-10-14T20:24:53.677-05:00Dear Igor,
Did something very much like this long ...Dear Igor,<br />Did something very much like this long ago:<br /><br />Jaman, K.A., R. Gordon & R.M. Rangayyan (1985). Display of 3D anisotropic data from limited-view computed tomography. Computer Vision, Graphics, Image Processing 30(3), 345-361.<br /><br />Abstract: Methods are developed for producing 3-dimensional dispIays of anisotropic data arising from a series of limited-view computed tomograms. Volume data are formed by stacking 2-dimensional images reconstructed from 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, 3-dimensional 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.<br /><br />Yours, -Dick Gordon gordonr@cc.umanitoba.caDick Gordonhttps://www.blogger.com/profile/15928227698528256439noreply@blogger.com