An electrical switch comprising a casing and a rotor supported within the casing for rotation about an axis. The calculation object half-pel, which is in the block of the previous or next reference frame, is not estimated additionally for each block of the current frame divided into blocks of a predetermined size. The first image is captured at a first instance and the second image is captured at a second instance, whereby the duration between the captures are of sufficient time such that temporal decorrelation occurs for natural surfaces in the scene, and only manmade surfaces, e. One method of forming the nanotip structure uses the relatively slow etching rates that occur around the dislocations compared to the faster etch rates that occur in other parts of the semiconductor structure. At a later time, a user may provide an image that includes the face of one of the known individuals. The subject polypeptides and nucleic acid find use in a variety of applications, including research, diagnostic, and therapeutic agent screening applications.