Page 187 - Handbook of Deep Learning in Biomedical Engineering Techniques and Applications

176 Chapter 6 Plant leaf disease classification based on feature selection

(A)
Training and Valida on Loss
4
3.5
3
2.5
Loss 2
1.5
1
0.5
0
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Epoch
Training loss Valida on loss

(B) Training and Valida on Accuracy

100.00%
80.00%
Accuracy 60.00%

40.00%
20.00%
0.00%
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Epoch
Training acc Valida on acc
Figure 6.19 Training and validation result of ResNet-50 with transfer learning.

Orientation: Angle between the x-axis and the major axis of
•
the ellipse that has the same second-moments as the re-
gion; the value is in degrees, ranging from 90 to 90 degrees
• Convex area: Number of pixels in the bounding box of the
region
• Equivalent diameter: Diameter of a circle with the same
q ffiffiffiffiffiffiffiffiffiffiffiffiffi
area as the region; computed by 4 Area
p
• Solidity: Proportion of the pixels in the convex hull that are
also in the region; computed by Area
Convex area
Ratio of the pixels in the region to pixels in the total bound-
•
ing box