For instance: Coord31Dec_DB.txt.
First row of …_DB.txt file is the set of headers, next rows are the data. For …DB.txt files, data are
column 1: your internal computer path to the digitized pictures,
column 2: the name of the picture,
column 3: its ID
column 4: a comment
column 5: a variable
column 6: the scale of the image
next columns: raw coordinates (landmarks, or pseudo-landmarks)
(Columns are separated by tabulations)