1. A method for producing an assured image, the method executed at least in part by a computer and comprising: a) acquiring image data; b) segmenting the image data to form two or more segmented spatial regions according to type of image content; c) calculating one or more quality measures from the image data that is within each of the two or more segmented spatial regions to produce a plurality of quality measures, wherein each segmented region has one or more corresponding quality measures; d) producing secure assurance data that includes the plurality of quality measures produced from each of the two or more segmented spatial regions and the image data; e) associating the secure assurance data with the image data to produce the assured image; and f) storing the assured image in a data storage device.