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Table 1 Protection level, number of wood specimens, and collected images for selected species

From: Opening the black box: explainable deep-learning classification of wood microscopic image of endangered tree species

Class label

Group

Species

Protection level

Number of Specimens

Image quantity

Cross section

Tangential section

Total

1

Group1

Carapa guianensis

–

7

30

30

60

2

Cedrela fissilis

CITES II

6

30

30

60

3

Cedrela odorata

CITES II

10

30

30

60

4

Group2

Dalbergia latifolia

CITES II

6

30

30

60

5

Dalbergia nigra

CITES I

6

30

30

60

6

Dalbergia stevensonii

CITES II

7

30

30

60

7

Dalbergia tucurensis

CITES II

6

30

30

60

8

Swartzia madagascar

–

5

25

25

50

9

Group3

Pterocarpus indicus

–

6

30

30

60

10

Pterocarpus macrocarpus

–

6

30

30

60

11

Pterocarpus soyauxii

CITES II

5

25

25

50

12

Pterocarpus tinctorius

CITES II

5

25

25

50

13

Group4

Swietenia humilis

CITES II

9

25

25

50

14

Swietenia macrophylla

CITES II

15

30

30

60

15

Swietenia mahagoni

CITES II

12

25

25

50