1. A method of operating a shutter assembly in a camera comprising: receiving a plurality of sets of pixel values representing a corresponding plurality of images of a scene and obtained with a shutter assembly configured using one of a plurality of sets of exposure parameters; identifying a region of interest comprising a portion of said scene said region of interest having a different level of brightness in each of said plurality of sets of pixel values; determining a first set of exposure parameters of said plurality of sets of exposure parameters to achieve a desired level of brightness by generating a plurality of subsampled images representing said scene; and generating signals to configure said shutter assembly using said first set of exposure parameters, wherein each set of said plurality of sets of exposure parameters is configured to obtain a different level of brightness. further wherein, each subsampled image of said plurality of subsampled images is generated from the corresponding image of said scene.