Research ArticleOpen accessIn the keywordsKnowledge Based System for Visual Computing of Depth in 2D Images of Geometric Objects Like Straight Lines, Planes and Solids and their Applications in Engineering GraphicsM. Narayana Rao, V. VaithyaNathanJournal of Computer Science, Vol. 2, Issue 8 · 31 Aug 2006 · 6,204 accessesView PDFCite