Friday, October 14, 2011

sixteen

This activity is similar to the previous one.  The difference is that only two classes are used for each instance and LDA classification is used.  . 

Here, the same samples used in the previous activity are utilized here and are shown below.

1peso_thumb2

Figure 1. Class: 1-peso coin

25cents_thumb2
Figure 2. Class: 25-cent coin

chizcurlz_thumb2
Figure 3. Class: Chiz Curlz

piattos_thumb2
Figure 4. Class: Piattos

Shown below are the accuracy results, in percent of the LDA classification of two classes.  Only when the coins are compared side-by-side does the LDA classification not have a 100% accuracy rate.  This may be due to the fact that the general shape and structure of the two classes are very similar.

Table 1. Results of the LDA classification between classes
Class 1 Class 2 Accuracy
1-peso 25-cents 90
1-peso Chiz Curlz 100
1-peso Piattos 100
25-cents Chiz Curlz 100
25-cents Piattos 100
Chiz Curlz Piattos 100

Over-all grade: 9/10

REFERENCES:
1. A19 – Probabilistic Classification, Applied Physics 186 Manual
2. Pattern Recognition 2, prepared by Dr. S. Marcos

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