1. B. Baumgart, Geometric Modeling for Computer Vision, Ph.D. Thesis, CS Department, Stanford University, aIM-249, STAN-CS-74-463 1974.
2. A. Laurentini, The visual hull: a new tool for contour-based image understanding, in: Proceedings of Seventh Scandinavian Conference on Image Processing, 1991, pp. 993–1002.
3. The visual hull concept for silhouette-based image understanding;Laurentini;IEEE Transactions on Pattern Analysis and Machine Intelligence,1994
4. A survey of construction and manipulation of octrees;Chen;Computer Vision, Graphics and Image Processing,1988
5. Oct-trees and their use in representing three-dimensional objects;Jackins;Computer Graphics and Image Processing,1980