Table 4 Lithology recognition training and testing sets.

From: Convolutional autoencoder network lithology recognition based on scratch tests

Rock types

Sample numbers

Classes

training sets

testing sets

Clayey shale

2080

520

0

Felsic shale

1880

480

1

Mixed shale

1760

440

2

Sandstone

1320

320

3

Dolomite

1000

250

4

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