Supervised classification based on the idea that a user can select sample pixels in an image that are representative of specific classes and then direct…
Image classification is process in computer vision that can classify an image based on its visual content is referred to as mage classification. While humans…
Spatial Data Models An abstraction of the real world which incorporates only thoseproperties thought to be relevant to the application at hand,define specific groups of…
When making a decision, multi-criteria analysis (MCA) is a technique that takes into account many different criteria. GIS-Multi Criteria Decision Analysis provides a logical, well-structured…
Agricultural drought index is the type of index that is used to quantify agricultural drought and helps to track the vulnerability as well as the…
Hydrological drought refers to a lack of water in the hydrological system, manifesting itself in abnormally low streamflow in rivers and abnormally low levels in…
A Vegetation Indices (VI) is a spectral transformation of two or more bands that is intended to improve the contribution of vegetation features and allow…
Drought is a complex phenomenon that has harmed more people than any other natural disaster in the last century (Below, 2007). Drought assessment tools include…
What do the NDVI values mean ? In remote sensing, the most commonly used index is the NDVI. But how do you figure it out?…
The precipitation concentration index (PCI), proposed by Oliver (1980) and developed by De Luis and others in 1997. It is an index to analyze the…