1. A computer-implemented method, comprising: performing, by one or more computing devices: examining metadata corresponding to each image in a collection of input images to determine information indicating how the respective input image was captured; directing workflow processing of the collection of input images according to the determined information for each of the input images, wherein said workflow processing comprises combining image data from two or more of the input images to generate a single output image; and generating one or more output images from the collection of input images according to the workflow processing.