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A note on “Rigid body motion from depth and optical flows”

✍ Scribed by Robert M. Haralick; Xinhua Zhuang

Publisher
Elsevier Science
Year
1986
Weight
81 KB
Volume
34
Category
Article
ISSN
0734-189X

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✦ Synopsis

This paper investigates the basic properties of the class of neighborhood-uniform node label controlled (NUNLC) graph grammars. The class of NUNLC grammars is distinguished by requiring a very natural restriction on the connection relations of NLC grammars. The restriction implies the "Church-Rosser property" of derivations in an NUNLC grammar, which makes the class of NUNLC grammars " technically easier" to investigate. A number of combinatorial properties of the languages generated by the class of NUNLC grammars are proved. Also, it is demonstrated that a number of basic properties are decidable for the class of NUNLC grammar-many of them are undecidable in the whole class of NLC grammars.

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