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The example UBIAS system discussed in this chapter is used for the image
analysis of foot bone lesions in the dorsopalmar projection of the foot, including
tarsus, metatarsus and phalanx bones.
The grammatical graph formalism for the semantic analysis has been defined as
the G foot grammar taking the following form:
G
=
(
N
,
T
,
Γ
,
S
,
P
)
foot
f
f
f
where:
The set of non-terminal labels of apexes:
N f = {ST, TALUS, CUBOIDEUM, NAVICULARE, LATERALE, MEDIALE,
INTERMEDIUM, SES1, SES2, TM1, TM2, TM3, TM4, TM5, MP1, MP2, MP3,
MP4, MP5, PIP1, PIP2, PIP3, PIP4, PIP5, DIP2, DIP3, DIP4, DIP5, TPH1, TPH2,
TPH3, TPH4, TPH5, ADD1, ADD2, ADD3, ADD4, ADD5, ADD6, ADD7,
ADD8, ADD9, ADD10, ADD11, ADD12, ADD13, ADD14}
The set of terminal labels of apexes:
T f = {c, t, cu, n, cl, cm, ci, s1, s2, tm1, tm2, tm3, tm4, tm5, mp1, mp2, mp3,
mp4, mp5, pip1, pip2, pip3, pip4, pip5, dip2, dip3, dip4, dip5, tph1, tph2, tph3,
tph4, tph5, add1, add2, add3, add4, add5, add6, add7, add8, add9, add10, add11,
add12, add13, add14}.
Γ
f - {p, q, r, s, t, u, v, w, x, y, z} - the graph shown in Fig. 7.
Fig. 7 Definitions of elements of the set Г f
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