5. Field survey

The results of the entire work are verified with the help of the ground truth. Ground truth is the process done onsite, in which a "pixel" on a satellite image is compared to what is there in reality. It is done in order to verify the contents of the "pixel" on the image. For an image of 400 400 size, we have taken 500 points as ground truth data. By performing field visit, these data are collected. The outcome of each method is verified with those points.
