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Lotniczy skaning laserowy w polskiej archeologii. Czy w pełni wykorzystywany jest potencjał prospekcyjny metody?

100%
Banaszek Ł.
Folia Praehistorica Posnaniensia
|
2014
|
vol. 19
207-251
PL
Airborne Laser Scanning (ALS) is an advanced method of archaeological prospection. One can easily spot an increasing number of applications of LiDAR data within Polish archaeology. Due to that fact it is important to understand the prospective potential of the method as well as subjective character of generated information. The aim of this paper is to describe analytical and interpretative aspects of ALS. Application of LiDAR data is characterised by various processes which lead to the reduction of information about the past. Those processes will be identified and a number of practical solutions aiming to prevent them will be presented. The paper, based on a critical analysis of the procedurę of data acquisition and processing as well as creation of the final products, shows how important is knowledge of subjective character of data, tools and techniques during usage of ALS for archaeological purposes.
2
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Dostrzec i zrozumieć. Porównanie wybranych metod wizualizacji danych ALS wykorzystywanych w archeologii

63%
Kiarszys G., Banaszek Ł.
Folia Praehistorica Posnaniensia
|
2017
|
vol. 22
233-270
PL
Application of airborne laser scanning (ALS) for archaeological purposes allows for identification of relief features. Unless the detection is automated, the recognition of archaeological objects in the observed dataset is bounded by the interaction between human mind, eye and visual phenomena that are displayed on the screen. To improve effectiveness of ALS interpretation several visualization techniques have been developed. However, due to their complexity the spatial information produced by these algorithms differs. The aim of the paper is to present the discrepancies between the most popular visualization techniques used for archaeological purposes. Unlike previous attempts, the presented comparison is based on the vector outputs of the interpretative mapping. Therefore, we demonstrate in detail the differences in the morphology as well as quantity of identified archaeological features due to the use of various visualization techniques.
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