This professional paper briefly presents all the essential results of the project. An analysis of alternative data of remote sensing is described, which can be used to study changes in the actual land use of agricultural and forest land. The methodology for automatic identification of changes has been described, where we limited ourselves to recognizing the overgrowing of permanent meadows, spreading of built-up areas to agricultural land, deforestation of forests, vineyards and orchards, and changes of permanent meadows into the field or vice versa. We tested three approaches to automatic identification of changes: the analysis of classified orthophoto images and digital surface models, the analysis of Sentinel-2 time series, and an automatic analysis of a direct comparison of two or more images (satellite or aerial).
F.30 Professional assessment of the situation
COBISS.SI-ID: 8568673dr. Mojca Foški (UL FGG) was a co-tutor to the master's thesis dealing with the issues we dealt with also within this CRP project. Abstract of master thesis: In presented master thesis we are dealing with problematics of delineating vacant building lands. Precise data about location and area of such plots of land are a major problem of many municipalities in Slovenia. Manually updating such spatial data demands extensive financial budget and is often time consuming. However, automatic updating is only rarely used. Presented methodology of delineating vacant building lands uses modern concepts of object-based classification to produce land cover layer and built up areas. Using GIS and spatial overlays we create potentially vacant building lands layer, which is further investigated and enhanced. As a result, we present approximated layer of vacant building lands. Presented methodology was tested on three study areas in municipality Trebnje and results were compared to vacant building lands layer created with visual interpretation and vectorisation. As results show, automated delineation of vacant building land combined with visual interpretation can achieve comparable quality as visual interpretation only.
D.10 Educational activities
COBISS.SI-ID: 8202337In December 2017, we have conducted (Mihaela Triglav Čekada and Alen Mangafić, Geodetic institute of Slovenia) training for the professional public. We presented the Laser Scanning of Slovenia 2014-2015, the Cyclical Aerial Surveying of Slovenia and the possibility how to use such data in the QGIS Open Source Program.
F.17 Transfer of existing technologies, know-how, methods and procedures into practice
COBISS.SI-ID: 8295777In the daily newspaper Delo, the authors presented the Copernicus program. With this, the knowledge of the potential of using satellite technologies and about freely available satellite imagery, which we also used in the framework of this CRP project (e.g. Sentinel-2), was presented to the general public.
F.30 Professional assessment of the situation
COBISS.SI-ID: 41267501This paper presents the possibility of using satellite images of low spatial resolution for the observation of disturbances in forests such as fires, ice sleet damage, wind breakages, illegal logging and other events. In the study we focused on the SPOT-VEGETATION and PROBA-V satellite data, which are used for vegetation monitoring. For them we acquired long-term time series of observations with span off more than a decade. We developed new method for determination of the extent and the degree of disturbances by the vegetation indicators that are able to detect intensly expressed disturbances of various origins, despite of its relatively low spatial, but high temporal resolution. The capability to detect various events was investigated at the level of individual forest management units, but in the case of a disturbance of a smaller extent it is more reasonable to observe only the affected area.
B.06 Other
COBISS.SI-ID: 40181037