Table 1 Details of six selected datasets

From: Evaluating neonatal pain via fusing vision transformer and concept-cognitive computing

Dataset

Resolution

Type

#Sad/#agony

#Happy/#pain

#Neutral

#instances

IR

PainSet 1

224  × 224

color

1194

18,926

3437

23,557

15.851

PainSet 2

224   ×   224

color

10,652

18,926

13,478

43,056

1.777

PainSet 3

224   ×  224

color

872

1700

3437

6009

3.942

AffectNet

96   ×  96

color

3,091

5044

5126

13,261

1.658

MMA

48    ×  48

color

12,223

28,592

29,384

70,199

2.404

Fer2013

48     ×  48

grayscale

4830

7215

4965

17,010

1.475

  1. Since PainSets only labeled three types of samples, we selected three types of samples from the other three datasets for classification comparison experiments. IR denotes the imbalance ratio of a dataset, which is commonly to measure the imbalance extent of a dataset. For IR, it can be described as the ratio of cases of the majority w.r.t those of the minority class
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