Maximizing the Accuracy of Continuous Quantification Measures Using Discrete PackTest Products with Deep Learning and Pseudocolor Imaging

Table 1

Loadings on principal components (eigenvalue > 1) for the grayscale images to show the structure of the grayscale intensity data for the 331 pixels representing the Microsoft Office standard colors and gamut in the 83 grayscale images.

(Pseudo)color image as the source of grayscale images	Grayscale image	Principal components (explaining percentage, eigenvalue)
		1 (30%, 25)	2 (28%, 23)	3 (24%, 20)	4 (5%, 4)	5 (3%, 3)	6 (2%, 2)	7 (2%, 2)
RGB true color image	R	0.396	0.856	−0.158	0.179	−0.080	−0.039	0.161
	G	0.863	−0.446	0.115	0.072	0.053	−0.131	−0.028
	B	−0.055	0.051	0.949	0.115	−0.204	−0.051	−0.120
	C	0.483	0.761	−0.279	0.276	−0.016	−0.003	−0.061
	M	0.761	−0.608	0.084	0.090	−0.005	−0.108	−0.006
	Y	−0.312	0.162	0.857	0.124	−0.264	−0.080	−0.047
	K	0.528	0.301	0.539	−0.341	0.207	0.342	0.035
		0.968	−0.030	0.165	0.124	0.015	0.077	−0.067
		−0.510	0.831	0.089	0.087	−0.008	0.132	0.081
		0.600	−0.023	−0.779	−0.016	0.157	0.044	−0.011
	RGB cyan	0.504	−0.256	0.774	−0.029	−0.089	0.037	0.222
	RGB magenta	0.233	0.706	0.598	0.127	0.221	−0.043	−0.088
	RGB yellow	0.876	0.395	−0.071	−0.063	−0.144	0.093	−0.168
RGyB	C	0.675	0.619	−0.123	0.313	−0.044	−0.007	0.133
	M	0.783	−0.557	0.122	0.147	0.083	0.007	−0.076
	Y	0.574	0.668	−0.105	−0.266	−0.217	−0.218	−0.013
	K	0.656	0.356	0.017	−0.485	−0.187	−0.060	−0.241
		0.983	0.021	0.021	0.079	−0.041	0.041	−0.118
		−0.301	0.913	−0.195	−0.002	−0.127	0.101	0.064
		0.210	−0.804	0.185	0.388	0.242	−0.088	0.137
RG-yB	C	0.450	0.834	−0.165	0.160	−0.116	0.053	0.065
	M	0.770	−0.569	0.142	0.028	0.065	−0.157	−0.034
	Y	−0.845	−0.274	0.072	0.139	0.151	−0.056	0.181
	K	0.252	−0.110	−0.092	0.585	0.138	0.563	−0.081
		0.956	−0.112	0.030	0.235	0.015	0.046	−0.059
		−0.605	0.718	−0.181	0.186	−0.032	0.119	0.165
		0.926	0.284	−0.047	−0.048	−0.120	0.077	−0.165
RmGB	C	0.367	0.811	−0.231	0.266	−0.151	−0.010	0.193
	M	0.361	0.811	−0.295	0.223	−0.087	−0.040	0.196
	Y	0.210	−0.804	0.185	0.388	0.242	−0.088	0.137
	K	0.235	0.616	0.553	−0.120	0.359	−0.147	−0.103
		0.392	0.883	−0.025	0.197	−0.007	−0.034	0.121
		−0.288	−0.488	0.696	0.028	0.234	0.125	−0.278
		0.303	0.542	−0.747	0.035	0.041	−0.020	0.212
R-mGB	C	0.323	0.773	−0.250	0.290	0.212	0.150	0.085
	M	−0.358	−0.862	0.179	−0.187	0.028	0.034	−0.168
	Y	0.002	0.292	0.846	0.135	−0.320	−0.106	−0.032
	K	−0.101	−0.055	0.358	0.422	−0.145	0.488	−0.176
		−0.322	−0.731	0.244	0.196	0.081	0.348	−0.214
		0.373	0.877	−0.014	0.235	−0.072	−0.023	0.136
		−0.046	−0.295	−0.842	−0.069	0.344	0.195	0.014
cRGB	C	0.638	−0.355	0.629	0.022	−0.077	−0.112	0.056
	M	0.837	−0.464	−0.052	0.181	0.095	−0.059	−0.038
	Y	−0.315	0.197	0.841	0.112	−0.226	−0.035	−0.187
	K	0.424	−0.150	0.685	−0.272	−0.091	0.034	0.377
		0.763	−0.386	0.487	0.043	−0.017	−0.019	0.132
		−0.619	0.331	0.640	−0.108	−0.169	0.135	0.147
		0.656	−0.359	−0.601	−0.073	0.188	−0.022	0.153
-cRGB	C	−0.145	0.066	−0.721	0.349	0.125	−0.060	−0.466
	M	0.847	−0.444	0.145	0.007	0.052	−0.126	0.047
	Y	−0.297	0.196	0.875	0.014	−0.223	−0.014	−0.066
	K	0.200	−0.182	0.440	0.331	−0.070	0.309	−0.004
		0.809	−0.432	−0.039	0.281	0.083	−0.082	−0.184
		−0.855	0.436	−0.070	0.083	−0.061	0.140	−0.104
		0.423	−0.242	−0.837	0.054	0.207	−0.048	−0.068
RmGyB	C	0.405	0.855	0.006	0.309	0.021	0.005	0.052
	M	0.095	0.630	0.648	0.058	0.236	−0.184	−0.109
	Y	0.826	0.241	−0.394	−0.018	−0.235	0.092	−0.109
	K	0.472	0.357	0.420	−0.561	0.261	0.180	−0.008
		0.349	0.761	0.490	0.107	0.193	0.012	−0.053
		0.462	0.049	−0.767	0.020	−0.305	0.213	0.152
		−0.599	0.394	0.546	0.217	0.315	−0.143	0.096
cRGyB	C	0.449	−0.427	0.735	0.037	0.005	−0.025	0.217
	M	0.888	−0.404	−0.003	0.194	0.003	−0.029	−0.056
	Y	0.676	0.452	−0.126	−0.306	−0.303	−0.196	−0.206
	K	0.514	0.343	0.397	−0.569	0.201	0.174	−0.023
		0.856	−0.315	0.394	0.038	0.018	0.018	0.059
		−0.599	0.626	0.352	−0.172	−0.070	0.245	0.051
		−0.023	−0.783	0.505	0.139	0.161	−0.088	0.261
cRmGB	C	0.485	−0.315	0.754	0.063	−0.134	0.142	0.143
	M	0.052	0.805	0.433	0.140	0.233	−0.245	−0.078
	Y	−0.101	−0.103	0.918	0.219	−0.196	−0.025	−0.151
	K	0.454	0.391	0.491	−0.472	0.298	0.143	−0.008
		0.377	0.534	0.723	0.050	0.168	0.069	−0.044
		0.203	−0.855	0.257	−0.099	−0.285	0.127	0.191
		0.405	0.307	−0.722	−0.160	0.334	0.116	0.167
cRmGyB	C	0.534	−0.094	0.802	0.101	−0.029	0.045	0.108
	M	0.065	0.783	0.505	0.145	0.241	−0.144	−0.082
	Y	0.889	0.133	−0.254	−0.057	−0.267	0.035	−0.124
	K	0.468	0.335	0.407	−0.576	0.253	0.200	−0.002
		0.434	0.548	0.676	0.034	0.170	0.088	−0.041
		0.400	−0.817	−0.039	−0.160	−0.264	0.165	0.177
		−0.593	0.073	0.718	0.135	0.279	−0.071	0.121