1. A method for calibrating microlens positions for a light-field image capture device having a plurality of microlenses, the method comprising: in a data store, receiving a calibration light-field image captured by the light-field image capture device, the calibration light-field image comprising a plurality of microlens portions, each of which comprises microlens light-field data received through a single microlens of the plurality of microlenses; in a processor, identifying a plurality of interstitial spaces between the microlens portions to obtain a plurality of interstitial space locations; and in the processor, using the interstitial space locations to generate a model that is indicative of the microlens positions, wherein the model can be applied in generating projected images from light-field data captured by the light-field image capture device.