Title :
Towards automatic detection of coastlines from satellite imagery
Author :
Karantzalos, K.G. ; Argialas, D. ; Georgopoulos, A.
Author_Institution :
Dept. of Topography, Nat. Tech. Univ. of Athens, Greece
Abstract :
An approach towards automatic coastline detection from satellite imagery through edge detection techniques is presented. Linear transformations, such as Gaussian filtering and nonlinear transformations, such as median, adaptive and morphological filtering, are combined towards image smoothing and enhancement. Two edge detectors are applied, a morphological Laplacian operator and the classical Canny threshold detector. The coastline connectivity is recovered with a combination of nonlinear morphological transformations. The results appear promising.
Keywords :
adaptive filters; edge detection; geophysical signal processing; image enhancement; mathematical morphology; median filters; smoothing methods; terrain mapping; transforms; Gaussian filtering; adaptive filtering; automatic coastline detection; classical Canny threshold detector; coastline connectivity; edge detection techniques; image enhancement; image smoothing; linear transformations; median filtering; morphological Laplacian operator; morphological filtering; nonlinear morphological transformations; nonlinear transformations; satellite imagery; Adaptive filters; Data mining; Detectors; Filtering; Image edge detection; Image resolution; Nonlinear filters; Remote sensing; Satellites; Smoothing methods;
Conference_Titel :
Digital Signal Processing, 2002. DSP 2002. 2002 14th International Conference on
Print_ISBN :
0-7803-7503-3
DOI :
10.1109/ICDSP.2002.1028235
