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Table 2 Directionally adaptive TCLS filter coefficients

From: Fast digital zooming system using directionally adaptive image interpolation and restoration

Angle θ		5 × 5 TCLS filter coefficients (λ = 0.2)
$r_{TCLS}^{0^{°}}$		Horizontal
	Vertical	0.0001	-0.0013	-0.0084	-0.0013	0.0001
		-0.0015	-0.0130	0.0636	-0.0130	-0.0015
		-0.0073	0.0826	0.8018	0.0826	-0.0073
		-0.0015	-0.0130	0.0636	-0.0130	-0.0015
		0.0001	-0.0013	-0.0084	-0.0013	0.0001
$r_{TCLS}^{45^{°}}$		Horizontal
	Vertical	0.0002	-0.0014	-0.0095	-0.0010	0.0002
		-0.0014	-0.0057	0.0686	-0.0130	-0.0010
		-0.0095	0.0686	0.8099	0.0686	-0.0095
		-0.0010	-0.0130	0.0686	-0.0057	-0.0014
		0.0002	-0.0010	-0.0095	-0.0014	0.0002
$r_{TCLS}^{90^{°}}$		Horizontal
	Vertical	0.0001	-0.0015	-0.0073	-0.0015	0.0001
		-0.0013	-0.0130	0.0826	-0.0130	-0.0013
		-0.0084	0.0636	0.8018	0.0636	-0.0084
		-0.0013	-0.0130	0.0826	-0.0130	-0.0013
		0.0001	-0.0015	-0.0073	-0.0015	0.0001
$r_{TCLS}^{135^{°}}$		Horizontal
	Vertical	0.0002	-0.0014	-0.0095	-0.0010	0.0002
		-0.0014	-0.0057	0.0686	-0.0130	-0.0010
		-0.0095	0.0686	0.8099	0.0686	-0.0095
		-0.0010	-0.0130	0.0686	-0.0057	-0.0014
		0.0002	-0.0010	-0.0095	-0.0014	0.0002
$r_{TCLS}^{Flat}$		Horizontal
	Vertical	0.0002	-0.0012	-0.0088	-0.0012	0.0002
		-0.0012	-0.0109	0.0701	-0.0109	-0.0012
		-0.0088	0.0701	0.8077	0.0701	-0.0088
		-0.0012	-0.0109	0.0701	-0.0109	-0.0012
		0.0002	-0.0012	-0.0088	-0.0012	0.0002

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