A new algorithm to determine image edges - Application to lunar craters

Details A new algorithm to determine image edges - Application to lunar craters A new algorithm to determine image edges - Application to lunar craters

Jul 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....87..250b&link_type=abstract

Astronomy and Astrophysics, vol. 87, no. 1-2, July 1980, p. 250, 251.

Astronomy and Astrophysics

Astrophysics

4

Digital Techniques, Image Processing, Lunar Craters, Lunar Photography, Algorithms, Edges, Lunar Surface, Microdensitometers, Moon, Techniques, Image Processing, Craters, Analysis, Procedure, Diagrams, Geometry, Mathematical Models

Scientific paper

A new algorithm based on an analytical expression of the density has been developed for edge determination in lunar studies. Use was made of a digital microdensitometer and a two-dimensional sliding mean filter. Attention is given to the use of the Laplacian and to maximum gradient lines. The proposed algorithm has been tested with about sixty craters, and good crater measurements have been obtained.

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