unsupervised image classification(Unsupervised classification is a kind of classification which takes place with minimum input from the operator; no training sample is available and subdivision of the feature space is achieved by identifying natural groupings of the measurement vectors)
Upper House(The body of a bicameral legislature comprising either representatives of member states in a federation or a select number of individuals from certain privileged estates or social classes)
urban action program(A planned, coordinated group of activities or services intended for improving urban centers in order to provide healthy and safe living conditions, efficient transport and communication, adequate public facilities and aesthetic surroundings)
