Mechanical Fault Diagnosis Using Color Image Recognition of Vibration Spectrogram Based on Quaternion Invariable Moment

Table 3

Texture feature data from four types of bearing.

Texture feature	Inner race fault			Outer race fault			Normal			Ball bearing fault
	1	2	3	1	2	3	1	2	3	1	2	3
	0.117	0.227	0.136	0.092	0.168	0.136	0.973	0.958	0.989	0.338	0.378	0.322
	0.914	0.794	0.878	0.914	0.848	0.883	0.021	0.037	0.011	0.659	0.610	0.665
	0.120	0.201	0.140	0.118	0.167	0.139	0.977	0.956	0.992	0.327	0.380	0.328
	0.109	0.206	0.122	0.083	0.152	0.121	0.969	0.951	0.987	0.304	0.341	0.386
	0.123	0.195	0.136	0.109	0.170	0.140	0.977	0.958	0.992	0.316	0.359	0.308
	0.371	0.386	0.395	0.372	0.355	0.429	0.996	0.988	0.995	0.535	0.581	0.551
	0.914	0.794	0.878	0.914	0.848	0.883	0.021	0.037	0.011	0.659	0.610	0.665
	0.708	0.751	0.710	0.730	0.767	0.646	0.007	0.025	0.013	0.606	0.577	0.582
	0.957	0.883	0.936	0.953	0.916	0.935	0.047	0.076	0.028	0.781	0.741	0.782
	0.269	0.293	0.302	0.276	0.262	0.337	0.992	0.982	0.992	0.434	0.482	0.459
	0.875	0.804	0.856	0.880	0.836	0.849	0.021	0.042	0.008	0.671	0.619	0.666
	0.867	0.777	0.854	0.905	0.838	0.887	0.038	0.064	0.015	0.707	0.677	0.739
	0.856	0.787	0.841	0.869	0.816	0.838	0.021	0.042	0.008	0.662	0.614	0.667
	0.289	0.342	0.321	0.297	0.305	0.333	0.993	0.982	0.994	0.478	0.528	0.486
	0.058	0.573	0.267	0.187	0.531	0.031	0.000	0.000	0.000	0.081	0.306	0.040