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LIDAR mapping for cultural heritage and environmental applications

Creating a research center for the development of new measuring technologies and documentation processes targeting protected cultural and natural heritage.
GINOP-2.1.1- 15-2015- 00695
(Hungary)

TECHNOLOGY

LIDAR is a basic method that uses airborne remote sensing technique to produce 3D representations of the surface. The laser technology provides high-resolution maps, making it even possible also to ‘see through’ unapproachable zones, such as forest canopies. The highly detailed terrain models of LIDAR surveys allow for the substantial study and documentation of present and past surface features, thus give an essential tool for monitoring, preliminary assessments, or restorative planning processes.

Why this service is unique:

From multifaceted interdisciplinary scientific survey projects to clear-cut professional documents, all results are transferred online ready for use or further processing. The records are also available and downloadable both as descriptive and tabulated data.

SOLUTIONS

LIDAR technology is especially time efficient compared to other terrestrial methods. Datasets from such surveys can be used as multi-purpose evidences to explore the correlations between anthropogenic and natural processes in any landscapes. Compared to traditional methods, airborne laser scanning facilitate a greater accuracy when mapping individual elements and offer a broader, undistorted view on the context of the surveyed features which remain indiscernible otherwise. It is also possible to detect unique phenomena through graph-based segmentation and modelling, and isolate features specific to certain time-periods, areas or particular structures. All these aspects promote the description, periodization, and visualization of both past and future processes.

Benefits:
♣ Innovative and quick visualization methods for the presentation of contemporary as well historic landscape features
♣ Complex surveying of natural and anthropogenic environment
♣ Special visualization for archaeological assessments
♣ The system facilitates the re-evaluation and new elaboration of previous LIDAR survey results.

SERVICES

The service is available as a web-based interface, which can be tracked down online from the order until the transfer of the survey data and the final report. After localizing the survey area, the client can select among available services and pick the relevant categories. Beside the airborne survey, the service contract by default includes the preliminary field survey of the selected area, and the 3D visualized mapping of surface phenomena acquired from the LIDAR data, including the relevant patterns and distinctive landscape elements.
Upon request we accomplish the re-evaluation of previous LIDAR assessments.

Data processing:
The primarily visualized LIDAR data are especially suitable for preliminary archaeological evaluation, such as identification new archaeological sites and precise delineation of all landscape elements. During the elaboration process, the traditional survey results, like terrain models are supplemented with the pioneering results of the new processing methods enhancing both the visibility of micro-level topography and the recognition of interrelations or networks in the surveyed area. At last, based on individual request, detailed field survey- especially archaeological field walking, trial trenching, environmental sampling, geophysics - may be added as an extra element to the project in order to provide specific data on the periodization or the paleo-environmental character of the historic landscape.

Documentation:
The service provides tools for capturing each location through automatic compilation. In case of archaeological applications, online document templates comply with professional standards and also correspond with Hungarian as well international legal regulations; all templates and forms with mandatory and optional parts are built up allowing for these frameworks.

♣ preliminary reports or environmental impact studies for major investments
♣ environmental and/or archaeological assessment and modelling of hardly or not
accessible landscapes
♣ monitoring and surveying of areas with protected cultural or natural heritage, including the mapping of unwarrantable interference
♣ producing terrain models for architectural planning
♣ city survey
♣ forest survey
♣ detecting past and present hydrological networks, floodplains, quarrying
♣ modelling anthropogenic impacts

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PARTNERS & REFERENCES

RIEGL LASER MEASURMENTS SYSTEM

CONTACT