Scientific paper ID 1695 : 2018/3

Denitsa Borisova, Valentina Hristova

The idea of this paper is to exploit, view and develop to larger extent the possibilities which are offered by multispectral instruments having mid spatial resolution in this case instruments on board of Landsat and Sentinel satellites. The mid spatial resolution leads to obtaining of the mixed data related to mixing of land covers and to a lot of mistakes in the interpretation of the images. The correct identification of the mixed pixels is key element for the segmentation of the shape of the artificial feature from the land cover. This especially holds true for objects with relatively narrow structure for example two-lane roads for which the spatial resolution is larger that the object itself. For better road identification in the used Landsat/Sentinel images in the study we have combined spectrometry of asphalt, and in-situ measured spectral reflectance of pavers made from granite. In this innovative research the spectral and directional reflection properties of the asphalt surfaces compared to those of paving stone made from different rocks are measured. The in-situ measurements are obtained using the Thematically Oriented Multichannel Spectrometer /TOMS/ designed in Remote Sensing System Department at Space Research and Technology Institute – Bulgarian Academy of Sciences, Sofia.

Дистанционно изследване разпознаване на пътища Landsat Sentinel TOMSRemote Sensing Road Identification Landsat Sentinel TOMSDenitsa Borisova Valentina Hristova


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