Table 1.

Evolution of anomaly detection techniques over the recent years

Year	Handcrafted methods	CNN	DNN	LSTM	GAN
2021		[18, 53, 102, 112]	[10, 37, 52, 152]	[4, 10, 106, 138, 139]	[111, 113, 156, 165]
					[98]
2020		[13, 17, 19, 128]	[31, 50, 109, 129, 167]	[13, 105]	[25, 30, 44, 54]
		[67]
2019		[82, 83, 89, 135]	[75, 127, 148]	[28, 57, 84, 170]	[125, 147]
2018	[153]	[69, 87, 88, 90]	[20, 65, 81, 108, 163]		[73]
		[35, 48]	[122]
2017			[39, 107, 117]	[136]
2016	[21, 22, 40]
2015	[12, 45]	[32]
2014	[158]