Automatic screening of cervical cells using block image processing

Table 1 Values of 11 salient variables

Features	Feature index	Quantitative variables	Mean ± SD
Features	Feature index	Quantitative variables	Normal (1000)	Suspicious (100)
(a) Mean and standard deviation of 11 variants of the training blocks, 1000 normal and 100 abnormal blocks
LBP-59	1	SD	0.1188 ± 0.0171	0.0667 ± 0.0114
LBP-59	2	p-59	0.0433 ± 0.0151	0.0972 ± 0.0151
Co-occurrence matrix	3	Energy	3.2022 ± 0.2686	1.8384 ± 0.4516
	4	Correlation	1.1577 ± 0.3154	0.2364 ± 0.0819
	5	Contrast	0.2087 ± 0.2672	0.9914 ± 0.5541
Statistical color histogram	6	Variance	35.1542 ± 8.8674	18.3092 ± 6.9413
	7	Skewness	0.0165 ± 0.0059	0.0036 ± 0.0032
	8	Energy	0.0160 ± 0.0061	0.0316 ± 0.0102
	9	Entropy	6.6615 ± 0.4136	5.3643 ± 0.5084
Ratio	10	R1	0.1953 ± 0.2102	0.7687 ± 0.1806
Ratio	11	R4	0.2356 ± 0.1288	0.5862 ± 0.1063

Feature index	Quantitative variables	Mean ± SD
Feature index	Quantitative variables	Normal (1000)	Suspicious (100)
(b) Normalized mean and standard deviation of 11 variants of the training blocks, 1000 normal and 100 abnormal blocks
1	SD	0.6659 ± 0.1632	0.1691 ± 0.1089
2	p-59	0.2441 ± 0.1457	0.7632 ± 0.1452
3	Energy	0.8435 ± 0.1096	0.2869 ± 0.1843
4	Correlation	0.5754 ± 0.1798	0.0502 ± 0.0467
5	Contrast	0.0274 ± 0.0200	0.3878 ± 0.2913
6	Variance	0.7672 ± 0.1371	0.2210 ± 0.1603
7	Skewness	0.5572 ± 0.1996	0.1075 ± 0.1088
8	Energy	0.0509 ± 0.0542	0.4057 ± 0.2552
9	Entropy	0.8540 ± 0.1004	0.4024 ± 0.2176
10	R1	0.1393 ± 0.1353	0.7013 ± 0.2397
11	R4	0.2221 ± 0.1909	0.7510 ± 0.2851

Significantly different between normal and suspicious blocks tested using t test with p < 0.01

ISSN: 1475-925X