Table 2 Sample distribution of six ethnic dances in the self-constructed dataset.

From: Ethnic dance movement instruction guided by artificial intelligence and 3D convolutional neural networks

Dance type

Original samples

Augmented samples

Training Set (70%)

Test set (30%)

Miao dance

312

312

218

94

Dai dance

278

278

195

83

Tibetan dance

265

265

186

79

Uyghur dance

241

241

169

72

Mongolian dance

198

198

139

59

Yi dance

157

230

161

69