Ting-Chi Wang leads us to the permanent exhibition called With a Single Step. She says that the exhibition about Chinese immigrants in America was based on the idea of a heros travels.
VOA: special.2010.03.03
That would be enough to handle every pixel coming in from the average video camera inasinglestep.
The image retrieval and recognition are thus done simultaneously, inasinglestep, and it is possible to search for thousands of targets with extraordinary efficiency.
Because the transforming and the filtering are done optically, this mechanism for pattern recognition is fast, allowing an image to be tested for the presence of a target inasinglestep.