Geology topics

J.C. Tipper

Publications and source records attributed to J.C. Tipper.

2 recordsLinked to original sources

USGS1979

An algol program for dissimilarity analysis: a divisive-omnithetic clustering technique

Clustering techniques are used properly to generate hypotheses about patterns in data. Of the hierarchical techniques, those which are divisive and omnithetic possess many theoretically optimal properties. One such method, dissimilarity analysis, is implemented here in ALGOL 60, and determined to be competitive computationally with most other methods. ?? 1979.

Computers & Geosciences↗

USGS1977

A method and fortran program for the computerized reconstruction of three-dimensional objects from serial sections

Three-dimensional objects can be reconstructed automatically from sets of serial sections by using a suitable algorithm. For two-phase systems it is sufficient to match phase boundary loops between adjacent sections. When all possible neighboring pairs of sections have been compared in this manner, the bounding surfaces of the object are described by sets of triangular and nonplanar quadrilateral patches. ?? 1977.

Computers & Geosciences↗