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Super Resolved Imaging in Wigner-Based Phase Space      209


               distribution used to encode the information as in Fig. 6.8a. The decod-
               ing is designated by thin, long rectangles having spectral dimensions
               of 3  , which correspond to the highest spatial resolution that we
               aim to image. Those rectangles select out or filter out of the spatially
               blurred information (that is designated with short, wide rectangles
               having spectral width of   ) the relevant gray-level information of
               each high-resolution pixel (having dimension of  x/3). Obviously the
               decoding that is presented in Fig. 6.8c is relevant only to the wave-
               length multiplexing case since in the dynamic range case the decod-
               ing is trivial: one only needs to pick up the relevant bits, knowing
               that every group of bits is related to a different high-resolution spatial
               allocation.
                 In Fig. 6.9 we present the schematic explanation for the case of field
               of view multiplexing SR and how it is seen in the phase-space diagram
               space. In Fig. 6.9a and 6.9b we see the phase-space diagram of an object

                              ν
                                                      ν

                                  3Δν             3Δx
                                         Δν
                                      x                          x




                              Δx
                             (a)                    (b)
                              ν

                                                      ν
                                  3Δν             3Δx
                                         Δν
                                      x                          x




                              Δx
                             (c)                    (d)

               FIGURE 6.9 Schematic description of field of view multiplexing. (a), (b)
               Spatial separation of the information while reducing its spectral resolution
               and increasing its spatial bandwidth. (c), (d) Every spectral bandwidth is
               multiplexed to a different spatial position.
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