Advanced Processing Techniques and Classification of Full-waveform Airborne Laser Scanning Data

• Autorzy: Słota M.

Identyfikatory

DOI

10.7494/geom.2014.8.2.85

Warianty tytułu

PL

Zaawansowane techniki przetwarzania danych pochodzących z lotniczego skaningu laserowego z rejestracją pełnych profili energii

• Języki publikacji: EN

Abstrakty

EN

This article presents an overview of advanced processing techniques of full-waveform airborne laser scanning data. The well known processing methods, such as signal decomposition or correlation techniques, could not be sufficient for the processing of strongly deformed or complex reflected echo data. The first part of this paper describes the advanced processing techniques. The radiometric calibration procedure and advanced waveform decomposition methods, as well as algorithms for the detection of weak and overlapping echoes are presented. The second part focuses on the possibility of point cloud classification improvement based on full-waveform data. The usefulness of particular full-waveform parameters in the classification process is described.

PL

W artykule zamieszczono przegląd zaawansowanych technik przetwarzania pełnych profili energii zarejestrowanych przez systemy lidarowe. Popularne metody przetwarzania danych, takie jak dekompozycja sygnału czy metody korelacyjne, mogą się nie sprawdzić w sytuacjach, gdy odbity sygnał laserowy jest silnie zdeformowany lub gdy odległość pomiędzy dwoma echami jest mniejsza niż długość emitowanego impulsu. W pierwszej części publikacji opisano zaawansowane techniki przetwarzania zarejestrowanej, odbitej energii laserowej. Scharakteryzowano metodę kalibracji radiometrycznej sygnału, opisano zaawansowane techniki dekompozycji falek oraz metody detekcji słabych i nachodzących na siebie odbić. Część druga poświęcona została klasyfikacji chmury punktów ze szczególnym uwzględnieniem dodatkowych parametrów, wyznaczanych na podstawie profili energii. Opisana została przydatność poszczególnych parametrów w klasyfikacji.

Słowa kluczowe

EN

lidar; full-waveform; processing; peak detection

PL

LIDAR; profile energii; przetwarzanie sygnału; detekcja odbić

• Wydawca: AGH University of Science and Technology Press
• Czasopismo: Geomatics and Environmental Engineering
• Rocznik: 2014
• Tom: Vol. 8, no. 2
• Strony: 85--95
• Opis fizyczny: Bibliogr. 25 poz., wykr.

Twórcy

autor

Słota M.

• AGH University of Science and Technology, Faculty of Mining Surveying and Environmental Engineering, Department of Geoinformation, Photogrammetry and Remote Sensing of Environment, Kraków, Poland

Bibliografia

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