caption: Signature File A document is partitioned into a set of blocks, each of which has <PERSON> keywords.
exif: {"Image DocumentName": "Signature FileA document is partitioned into a set of blocks, each of which has D keywords.", "Image ImageDescription": "Each keyword is represented by a bit pattern (signature) of size F, with m bits set to 1. The block signature is formed by superimposing (OR) the constituent word signatures. Sig(Q) OR Sig(B) = Sig(Q) if B contains the words in Q. See Figure 4.1 in the supplement.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}