I have 80 LANDSAT 8 Images. I can able to create composite image using Arcgis and then Pansharpen it to produce 15m multi-spectral image as a input for classification process. My requirement is to extract only roads vector(Polygon) data from LANDSAT 8 Images using ecognition developer. After segmentation, I have tried NDVI,NDWI ruleset in eCognition to unclassify vegetation and water areas(so that I can get road) but it doesn't seem possible to classify road data completely.
Is there any specific ruleset available for extracting roads?
I have licensed Arcgis 10.2.1, Ecognition developer 9 as of now.