By S. Levialdi (auth.), Robert M. Haralick (eds.)
This quantity is the gathering of lectures and shows of the NATO AS! On Pictorial facts research, held August 1-12, 1982 within the attractive chateau de Bonas, Bonas France. The director of the AS! was once Robert M. Haralick and the Co-director was once Stefano Levialdi. The papers within the ebook are prepared in sections first conception and basic prinicples after which purposes. neighborhood computations play a primary position in snapshot processing either while a standard laptop is used and while parallel machines are used for bettering photo throughput. Levialdi stories such local operators. Hung and Kasvand speak about a line thinning program which consists of detection of serious issues on chain encoded info. so much low point picture processing has been performed utilizing the electronic raster because the uncomplicated info constitution. in the previous few years a lot of those easy algorithms were built for the quadtree info constitution. The quadtree allows more straightforward entry to yes varieties of spatial adjacency relationships in a variable solution context. Rosenfeld studies the houses of those representations and their makes use of in snapshot segmentation and estate dimension. Besslich discusses an increased kind of an invertible quadtree illustration which allows a multiprocessor execution. Gisolfi and Vitulano speak about the C-matrix and C-filtering approach for photograph and texture characteristic extraction. O'mara et.al. speak about the applying of Codel numbers to photograph characteristic extraction. Kropatsch discusses a picture segmentation process which allows the potent use of a number of other forms of segmentation techniques.
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Additional info for Pictorial Data Analysis
G. Torborg, Display techniques for octreeencoded objects, Computer Graphics Applications 1(3), 1981, 29-33. 30. M. ~1. Yau and S. N. Srihari, Recursive generation of hierarchical data structures for multidimensional digital images, Proc. IEEE Conf. Pattern Recognition Image Processing, 1981, 42-44. 31. K. R. , Dynamically quantized pyramids, Proc. 7th Intl. Conf. Artificial Intelligence, 1981, 714-736. 32. J. O'Rourke, Dynamically quantized spaces for focusing the Hough transform, Proc. 7th Intl.
Dynamically quantized pyramids, Proc. 7th Intl. Conf. Artificial Intelligence, 1981, 714-736. 32. J. O'Rourke, Dynamically quantized spaces for focusing the Hough transform, Proc. 7th Intl. Joint Conf. Artificial Intelligence, 1981, 737-739. 41 33. P. J. Burt, Fast hierarchical correlations with Gaussian-like kernels, Proc. 5th Intl. Conf. Pattern Recogndtion, 1980. 828-830. 34. E. H. Adelson and P. J. Burt, Image data compression with the Laplacian pyramid, Proc. IEEE Conf. Pattern Recognition Image Processing, 1981, 218-223.
For example, a constant block of size 2k by 2k whose coordinates are multiples of 2k is represented by a simple quadtree node; but if its position is shifted by one pixel in the x and y directions, it requires on the order of 2k+2 nodes to represent it. On optimizing quadtrees with respect to translation see ; on region representation using forests of quadtrees see . , it consists of O's and l's. In the following subsections we discuss conversion between quadtrees and other image representations; operations on images represented by quadtrees; and some related types of hierarhcica1 representations.
Pictorial Data Analysis by S. Levialdi (auth.), Robert M. Haralick (eds.)