Technical Reports

The ICICS/CS Reading Room

UBC CS TR-78-01 Summary

Exploiting Spectral, Spatial and Semantic Constraints in the Segmentation of Landsat Images, February 1978 Dale Starr and Alan K. Mackworth

A critique of traditional classification techniques for LANDSAT images and consideration of some scene analysis techniques, exploiting spatial organization and meaning, lead to a new approach to computer programs for LANDSAT image understanding. To justify this approach, a program that combines modified maximum likelihood techniques with interpretation-controlled region merging methods to interpret forest cover in LANDSAT images is described. For comparison purposes, a pure supervised classifier using the same data made 43% more errors and produced a segmentation twice as complex.

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