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ACM Transactions on Graphics (TOG), Volume 19 Issue 2, April 2000

Navigating through triangle meshes implemented as linear quadtrees
Michael Lee, Hanan Samet
Pages: 79-121
DOI: 10.1145/343593.343598
Techniques are presented for navigating between adjacent triangles of greater or equal size in a hierarchical triangle mesh where the triangles are obtained by a recursive quadtree-like subdivision of the underlying space into four equilateral...

Using the visual differences predictor to improve performance of progressive global illumination computation
Valdimir Volevich, Karol Myszkowski, Andrei Khodulev, Edward A. Kopylov
Pages: 122-161
DOI: 10.1145/343593.343611
A novel view-independent technique for progressive global illumination computing that uses prediction of visible differences to improve both efficiency and effectiveness of physically-sound lighting solutions has been developed. The technique is...