1. A method, comprising: performing, by one or more computing devices: generating, by a panoramic image stitching module, a panoramic image from a set of input images according to a projection model; passing, by the panoramic image stitching module to a post-processing module, one or more parameters of the projection model as metadata for the panoramic image; and applying, by the post-processing module, one or more image processing techniques to the panoramic image according to the one or more parameters of the projection model.