A Study on Stock Graph Recognition Based on Wavelet Denoising and DTW Algorithm

Table 6

Comparison of various methods for optimal DTW distance analysis.

	Zero-step ahead	One-step ahead	Two-step ahead
	Preprocessing without wavelet denoising	Preprocessing with wavelet denoising	Preprocessing with MACD
Target graph I	2.236 (0.3090)	5.02 (0.1661)	0.1197 (0.8930)
Target graph II	2.637 (0.2749)	0.7637 (0.5669)	0.1682 (0.8560)
Target graph III	3.592 (0.2177)	0.9091 (0.5238)	0.1171 (0.8951)
Target graph IV	1.946 (0.3394)	0.6371 (0.6108)	0.1172 (0.8950)
Target graph V	4.897 (0.1695)	0.4918 (0.6703)	0.076 (0.9293)