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Table 2 A Cleaning data of COVID-19 X-ray image after deleting duplicates using an MD5 hash algorithm (“-” meaning this category does not exist)

From: HDSNE a new unsupervised multiple image database fusion learning algorithm with flexible and crispy production of one database: a proof case study of lung infection diagnose In chest X-ray images

Num

Dataset Name

Normal

Pneumonia

COVID-19

Total

1

DB1 [20]

88

89

136

313

2

DB2 [21]

1340

1340

204

2884

3

DB3 [22]

140

-

144

284

4

DB4 [23]

94

94

-

188

5

DB5 [24]

28

-

70

94

6

DB6 [25]

1356

3859

45

5260

 

Total

3046

5382

599

9027