Table 2: Texture feature comparison. Five texture fea- tures were extracted from DICOM images constructed from the same image patches using four different DICOM reconstruc- tion methods. The averaged absolute error is reported for each feature.

Kernel	Features	straightforward	w/ overlapped check	w/ real/fake check	STAN-CT
	dissimilarity	0.727	0.485	0.334	0.201
	contrast	0.727	0.485	0.334	0.201
BL57	homogeneity	0.031	0.019	0.012	0.009
	energy	0.072	0.063	0.046	0.032
	correlation	0.319	0.149	0.075	0.054
	dissimilarity	0.849	0.653	0.496	0.405
	contrast	0.849	0.653	0.496	0.405
BR40	homogeneity	0.035	0.027	0.022	0.016
	energy	0.048	0.045	0.051	0.040
	correlation	0.386	0.345	0.289	0.201