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Relaxation Labeling

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(1)

Relaxation Labeling

Processes

(2)

The importance of contextual information

c → cat

→ circus

i → sin

→ fine

e → red

→ read

(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)

Consistency and its properties

(12)

Geometrical interpretation

q

(13)
(14)

The “average local consistency”

(15)
(16)

The relaxation algorithm:

the symmetric case

(17)
(18)
(19)

The asymmetric case

(20)

Learning the compatibility

coefficients

(21)

The learning problem

(22)
(23)
(24)

A quadratic error function

(25)

A logarithmic error function

(26)
(27)

The learning algorithm

(28)
(29)

An application:

Part-of-speech Disambiguation

(30)
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(33)
(34)

Generalization results

(35)

References

M. Pelillo. The dynamics of nonlinear relaxation labeling processes.

Journal of Mathematical Imaging and Vision, 1997.

M. Pelillo and M. Refice. Learning compatibility coefficients for

relaxation labeling processes. IEEE Transactions on Pattern

Analysis and Machine Intelligence, 1994.

Riferimenti

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