1. A method, comprising: performing, by an electronic device: obtaining a flat comprising a plurality of separate portions of an image of a scene, wherein each of the plurality of separate portions is in a separate region of the flat, and wherein the plurality of separate portions include at least two subsets of the separate portions that were captured at different levels of exposure; and generating one or more High Dynamic Range (HDR) images of the scene from the plurality of separate portions of the image of the scene.