1. A system for displaying an attribute of a subject, the system comprising: a display; one or more processors; memory; one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for: storing data for a first time series of fluorescence images of the subject acquired during a first imaging session; storing data for a second time series of fluorescence images of the subject acquired during a second imaging session; receiving a request to view attributes of the subject; and in response to receiving the request, displaying a user interface on the display, the user interface comprising: a first image showing a visually enhanced attribute of the subject, wherein the first image is generated from the data for the first time series of fluorescence images; and a second image showing the visually enhanced attribute of the subject, wherein the second image is generated from the data for the second time series of fluorescence images.