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Table 3 Computation time for feature extraction

From: Feature analysis for classification of trace fluorescent labeled protein crystallization images

Feature group

Description

No of features

Avg time per feature

Avg time per image

Intensity

Intensity features

6

0.009

0.052

Region Otsu

Region features using Otsu

52

0.005

0.258

Region G 90

Region features using G 90

52

0.010

0.495

Region G 99

Region features using G 99

52

0.004

0.193

Region Morph

Region features using morph thresh

52

0.006

0.311

Graph

Hough features and edge features

13

0.022

0.284

Hough

Hough features only

2

0.049

0.097

Texture

Texture features

46

0.001

0.037

Histogram

Histogram features

21

0.009

0.178

DCT

DCT features

15

1.709

25.639