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28                                                                        2 Image formation





















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                                                (a)                                 (b)


                                                                            G    R    G    R
                              f = 100mm
                                                                            B    G    B    G
                                         d
                                                                            G    R    G    R

                                                                            B    G    B    G
                              z i=102mm              z o=5m
                                                (c)                                 (d)

                Figure 2.1 A few components of the image formation process: (a) perspective projection; (b) light scattering
                when hitting a surface; (c) lens optics; (d) Bayer color filter array.
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