Method for up-scaling a color image prior to performing subsequent processing on said color image, comprising the steps of converting the color image into multiple image layers distinguishable from each other and up-scaling at least one of said multiple image layers. Said sensor chip is arranged in a recess of a frame-shaped base support, such that the sensitive chip surface lies in the opening of said frame-shaped base support. The replication interface identifies a first set of storage servers that are within a halo defined by the client. Preferably, the directing of the radiation is from a vehicle that flies at high altitude and is of practical length.