An input unit supplies a logic operation expression made up of a plurality of retrieval keys and logic operators between the retrieval keys, entered by the user, to a control unit. The body includes a shoulder permanently connecting the body to a container and a nozzle connected to the shoulder. The guide vane includes a leading edge and a trailing edge and the guide vane extends from the leading edge to the trailing edge along a mean camber line. The miniature fiberoptic filter also has a second optical fiber with a step index multimode optical fiber segment attached to the second optical fiber, and a graded index multimode optical fiber segment attached to the step index multimode optical fiber segment. The previously processed plurality of pixels may comprise pixels within a macroblock pair adjacent to the top of the current macroblock.