1. A method for determination of human behavior by sequential event detection, the method comprising: a programmable device constructing a temporal-event graph comprising a plurality of vertices that each represent one each of a first primitive image of a plurality of individual primitive images that are segmented from a video stream, a first idle state that is associated with the first primitive image, a second primitive image of the plurality of individual primitive images and that is adjacent to the first primitive image, and a second idle state that is associated with the second primitive image, wherein the constructing the temporal-event graph is a function of an edge set between the adjacent first and second primitive images and at least one edge weight, wherein the at least one edge weight is set as a function of a discrepancy between computed visual features within regions of interest common to the adjacent first and second primitive images; and determining a human activity event as a function of a shortest distance path of the temporal-event graph vertices.