Schematic illustration of the forward model A x = V H Γ Q x of REXPACO. First, the object x is rotated by the parallactic angles by operator Q. Then, each resulting temporal frame is attenuated by the (time independent) transmission of the coronagraph with Γ, and convolved by the off-axis PSF by application of H. Finally, the field of view seen by the sensor is extracted by V to obtain the object contribution A x. The recorded ADI sequence is modeled by the sum of A x and of the nuisance component f, as described by Eq. (1).
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