Breadth-first quad encoding for network picture browsing


Hunter, A. and Willis, P., 1989. Breadth-first quad encoding for network picture browsing. Computers & Graphics, 13 (4), pp. 419-432.

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Breadth-first quad encoding is shown to be a good method of picture representation for networked browsing of colour raster pictures. The twin requirements of partial transmission and compression are discussed. Efficient algorithms for the display of sub-areas of a picture, at varying resolution, are developed; suggestions are made for further generalisation. Particular attention is paid to tesseral addressing, and the way that it can be exploited to produce efficient traversal and display algorithms. A sample non-recursive algorithm is included. The problem of quad-encoding arbitrarily dimensioned pictures is addressed.


Item Type Articles
CreatorsHunter, A.and Willis, P.
DepartmentsFaculty of Science > Computer Science
ID Code16251


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