1. A method for displaying a sequence of fluoroscopic images of a subject, comprising: defining, within the image area of a digital image receiver, in response to one or more viewer instructions, a region of interest and a background region disposed outside the defined region of interest; obtaining a succession of fluoroscopic images at the digital image receiver and, for image pixels within each of the succession of fluoroscopic images: (i) encoding and transmitting background region pixel data to a display apparatus using a lossy encoding; and (ii) transmitting region of interest pixel data to the display apparatus using a lossless encoding; and displaying the succession of fluoroscopic images on the display apparatus.