FROM FIELD SURVEY TO 3D MODEL - APPLICATION OF GROUND-PENETRATING RADAR FOR STUDIES OF HISTORICAL ARCHITECTURE: A CASE STUDY OF THE WYSZYNA CASTLE IN POLAND

FROM FIELD SURVEY TO 3D MODEL - APPLICATION OF GROUND-PENETRATING RADAR FOR STUDIES OF HISTORICAL ARCHITECTURE: A CASE STUDY OF THE WYSZYNA CASTLE IN POLAND

[...]analysis of GPR images (time sections, reflection profiles) obtained after processing requires great experience and knowledge, and thus the interpretation stage is loaded with subjective assessment of the noted anomalies. The main aim of the geophysical survey of the relics of renaissance castl...

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Bibliographic Details
Published in:International journal of conservation science Vol. 13; no. 3; pp. 793 - 804
Main Authors: Welc, Fabian, Rabiega, Kamil, Brzostowska, Izabella, Wagner, Adam
Format: Journal Article
Language:English
Published: Iasi International Journal of Conservation Science (IJCS) 01-07-2022
Subjects:
Anomalies
Archaeology
Architecture
Background noise
Castles
Cultural heritage
Data processing
Electric properties
Filtration
Geology
Geophysics
Ground penetrating radar
LF noise
Methods
Preservation
Radar
Random noise
Reflexes
Subjective assessment
Surveys
Thickness
Three dimensional models
Velocity
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Summary:[...]analysis of GPR images (time sections, reflection profiles) obtained after processing requires great experience and knowledge, and thus the interpretation stage is loaded with subjective assessment of the noted anomalies. The main aim of the geophysical survey of the relics of renaissance castle at Wyszyna was to recognise the layout of this scantily preserved structure and to obtain information about the arrangement and thickness of the embankment-rubble layers and degree of wall preservation, thus enabling the determination of the preservation state of architectural relics not preserved on the surface. In the second stage, the geophysical data in the form of interpreted time slices (= GPR amplitude maps) and reflection profiles (= radargrams) were compared with available data obtained in previous years during architectural studies, historical queries and results of archaeological surveys. Running average (calculating the running average), Dewow (similar as previous procedure, used for removal of low-frequency noise), DC - Shift (subtracting the constant component of the GPR signal), Subtract-mean (removal of average component), Gain (enhancement of GPR signal), Move start time (correlation of first occurrence of georadar wave), Bandpass frequency (frequency filtration), Background removal (removal of random noise and direct waves), Avarage xy filter (summing of georadar routes) and F-k filtration (elimination of interference waves, whose velocity differs significantly from the velocity of usable reflexes).
ISSN:2067-533X
2067-8223