… The viewing data of an object is the partition of the viewing space together with a … We present
an efficient algorithm for computing the viewing data for line drawings of polyhedral objects …

… for computing the aspect graph for polyhedral objects. The aspect graph is a representation
of 3-D objects by … We need to efficiently determine whether events are visible. It turns out that …

… polyhedral objects and give an algorithm for computing the … v(t) at the same time, we use
efficient one-dimensional optimization … of a sphere to represent the view space. This allows us to …

… to computing the exact orthographic aspect graph of curved … Approximate aspect graphs
of polyhedra as well as arbitrary … Efficiently computing and representing aspect graphs of …

… and hence are difficult to compute analytically, we adopt the … views into aspects with a
prototype representing each aspect. … efficiency for the recognition of a large database of objects by…

… local minima and is still reasonably efficient. This paper investigates the use of the … compute
equivalent representations of the perspective projection aspect graph for convex polyhedra […

… a mathematical object representation, called the aspect graph [… which are neither polyhedra
nor algebraic the proposed algorithm … (since it can be assumed that the Efficiency Concerns. …

… of aspects of S2 does not contains LD3, both LD3 and LD4 identify uniquely one of the two
polyhedra… is also able to efficiently compute and store aspects according the definition that we …

… data computation for polyhedral objects by splitting them into convex polyhedra, and then
computing the aspect graph in … Parallelization improves the efficiency by an order of n over the …

… Such a representation is by no means limited to the aspect graph representation of an
object… with them, it may not be efficient to compute polynomial characterizations for very large …