Auflistung nach Autor:in "Pal, Istvan"
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- KonferenzbeitragAutomatical Extraction of the Forest Inventory Parameters on Laser Scanning Data using Mathematical Methods(Environmental Informatics and Systems Research, 2007) Pal, Istvan; Huang, Peng; Pretzsch, Hans; Schütze, G.; Klemmt, Hans-Joachim; Seifert, Stefan; Seifert, T.; Uhl, E.; Steinacker, L.; Biber, P.This paper gives some mathematical methods for the automatic analysis and determination of forest management parameters in particular for the measurements of geometrical sizes on terrestrial scanning laser data using segmentation with iterative contrast enhancement, skeletonization, local digital geometry and topology (LDGT) and numerical methods for the determination of the fractal dimension and for the circle fitting.
- KonferenzbeitragNumerical Methods for the Detection of Whirlwind (Cyclone, Tornado, Hurricane) on Satellite Data(Environmental Informatics and Systems Research, 2007) Pal, IstvanThis paper studies and discusses some methods for the detection, localization and tracing of the hurricane/thunderstorm relevant features on digital satellite pictures, focused on geometrical structures such as circle, spiral etc. using image processing techniques and numerical methods.