Abstract
A Segment Tracing And Rotation Transformation (START) approach is described for extracting lineaments (linear features) from digital images. The START algorithm is executed in two stages. First, a binary line element image is generated using the segment tracing algorithm. Second, the rotation transformation algorithm is used to extract lineaments from the line element image. The START algorithm was coded in FORTRAN 77 and implemented on a UNIX-based workstation. The START program is a comprehensive toolkit for lineament mapping that incorporates functions such as image display, graphics routines for on-screen mapping, and image hardcopy generation. The program was tested with LANDSAT MSS and TM images as well as with shaded relief images from digital elevation models (DEMs). The results obtained were successful for a test site in southwestern Japan. The algorithm can be used for other data sets, such as shaded aeromagnetic images.
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