1. A computer-implemented method using a computer system for cropping a plurality of images, comprising: retrieving a number N of images to process among the plurality of images; selecting an image from the plurality of images to determine a set of crop values for the image until the set of crop values for N images have been determined; finding at least one frequently occurring set of crop values among the set of crop values determined for the N images; and cropping the plurality of images with the at least one frequently occurring set of crop values, wherein the computer system performs at least one of the retrieving, selecting, finding, or cropping.