1. A method of capturing a refocusable image set, the method comprising: segmenting a field of view into a plurality of grids; determining a sharpness level associated with each of the plurality of grids; identifying one or more regions based on the determined sharpness level of each of the plurality of grids, wherein each region comprises one or more of the plurality of grids; and capturing an image associated with each of the identified one or more regions to form the refocusable image set.